YES This is Ultimate 0.2.2-dev-e7f90c1-m [2023-02-13 03:40:01,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-13 03:40:01,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-13 03:40:01,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-13 03:40:01,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-13 03:40:01,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-13 03:40:01,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-13 03:40:01,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-13 03:40:01,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-13 03:40:01,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-13 03:40:01,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-13 03:40:01,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-13 03:40:01,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-13 03:40:01,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-13 03:40:01,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-13 03:40:01,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-13 03:40:01,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-13 03:40:01,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-13 03:40:01,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-13 03:40:01,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-13 03:40:01,665 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2023-02-13 03:40:01,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-13 03:40:01,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-13 03:40:01,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-13 03:40:01,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-13 03:40:01,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-13 03:40:01,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-13 03:40:01,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-13 03:40:01,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-13 03:40:01,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-13 03:40:01,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-13 03:40:01,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-13 03:40:01,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-13 03:40:01,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-13 03:40:01,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-13 03:40:01,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-13 03:40:01,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-13 03:40:01,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-13 03:40:01,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-13 03:40:01,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-13 03:40:01,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-13 03:40:01,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-13 03:40:01,674 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/Ultimate/./../termcomp2017.epf [2023-02-13 03:40:01,685 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-13 03:40:01,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-13 03:40:01,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-13 03:40:01,686 INFO L138 SettingsManager]: * Rewrite not-equals=true [2023-02-13 03:40:01,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-13 03:40:01,686 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:40:01,686 INFO L138 SettingsManager]: * Use SBE=true [2023-02-13 03:40:01,686 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-13 03:40:01,686 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-13 03:40:01,686 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-13 03:40:01,686 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2023-02-13 03:40:01,686 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-13 03:40:01,686 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-13 03:40:01,687 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2023-02-13 03:40:01,687 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:01,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-13 03:40:01,687 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-13 03:40:01,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-13 03:40:01,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-13 03:40:01,687 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-13 03:40:01,687 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2023-02-13 03:40:01,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-13 03:40:01,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-13 03:40:01,687 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2023-02-13 03:40:01,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:40:01,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-13 03:40:01,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-13 03:40:01,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-13 03:40:01,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/export/starexec/sandbox/solver/Ultimate/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-02-13 03:40:01,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-13 03:40:01,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-13 03:40:01,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-13 03:40:01,829 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-13 03:40:01,829 INFO L275 PluginConnector]: CDTParser initialized [2023-02-13 03:40:01,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:40:01,868 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/15a51bbc04bc40e4944e7a8d2e2ec0da/FLAGd888a5e88 [2023-02-13 03:40:02,199 INFO L306 CDTParser]: Found 1 translation units. [2023-02-13 03:40:02,200 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:40:02,203 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/15a51bbc04bc40e4944e7a8d2e2ec0da/FLAGd888a5e88 [2023-02-13 03:40:02,662 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/15a51bbc04bc40e4944e7a8d2e2ec0da [2023-02-13 03:40:02,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-13 03:40:02,668 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2023-02-13 03:40:02,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-13 03:40:02,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-13 03:40:02,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-13 03:40:02,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:40:02" (1/1) ... [2023-02-13 03:40:02,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ffbdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:02, skipping insertion in model container [2023-02-13 03:40:02,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:40:02" (1/1) ... [2023-02-13 03:40:02,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-13 03:40:02,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-13 03:40:02,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:40:02,802 INFO L203 MainTranslator]: Completed pre-run [2023-02-13 03:40:02,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:40:02,815 INFO L208 MainTranslator]: Completed translation [2023-02-13 03:40:02,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:02 WrapperNode [2023-02-13 03:40:02,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-13 03:40:02,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-13 03:40:02,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-13 03:40:02,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-13 03:40:02,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:02" (1/1) ... [2023-02-13 03:40:02,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:02" (1/1) ... [2023-02-13 03:40:02,842 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2023-02-13 03:40:02,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-13 03:40:02,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-13 03:40:02,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-13 03:40:02,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-13 03:40:02,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:02" (1/1) ... [2023-02-13 03:40:02,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:02" (1/1) ... [2023-02-13 03:40:02,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:02" (1/1) ... [2023-02-13 03:40:02,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:02" (1/1) ... [2023-02-13 03:40:02,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:02" (1/1) ... [2023-02-13 03:40:02,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:02" (1/1) ... [2023-02-13 03:40:02,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:02" (1/1) ... [2023-02-13 03:40:02,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-13 03:40:02,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-13 03:40:02,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-13 03:40:02,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-13 03:40:02,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:02" (1/1) ... [2023-02-13 03:40:02,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:40:02,864 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:02,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:02,880 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (1)] Waiting until timeout for monitored process [2023-02-13 03:40:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-13 03:40:02,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-13 03:40:02,969 INFO L234 CfgBuilder]: Building ICFG [2023-02-13 03:40:02,970 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-13 03:40:03,030 INFO L275 CfgBuilder]: Performing block encoding [2023-02-13 03:40:03,034 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-13 03:40:03,034 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-13 03:40:03,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:03 BoogieIcfgContainer [2023-02-13 03:40:03,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-13 03:40:03,035 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2023-02-13 03:40:03,036 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2023-02-13 03:40:03,037 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2023-02-13 03:40:03,041 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:03" (1/1) ... [2023-02-13 03:40:03,066 INFO L313 BlockEncoder]: Initial Icfg 12 locations, 16 edges [2023-02-13 03:40:03,068 INFO L258 BlockEncoder]: Using Remove infeasible edges [2023-02-13 03:40:03,069 INFO L263 BlockEncoder]: Using Maximize final states [2023-02-13 03:40:03,070 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2023-02-13 03:40:03,070 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:40:03,072 INFO L296 BlockEncoder]: Using Remove sink states [2023-02-13 03:40:03,072 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2023-02-13 03:40:03,073 INFO L179 BlockEncoder]: Using Rewrite not-equals [2023-02-13 03:40:03,088 INFO L185 BlockEncoder]: Using Use SBE [2023-02-13 03:40:03,096 INFO L200 BlockEncoder]: SBE split 2 edges [2023-02-13 03:40:03,099 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2023-02-13 03:40:03,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:40:03,103 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2023-02-13 03:40:03,104 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2023-02-13 03:40:03,105 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2023-02-13 03:40:03,105 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:40:03,105 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2023-02-13 03:40:03,105 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2023-02-13 03:40:03,105 INFO L313 BlockEncoder]: Encoded RCFG 7 locations, 11 edges [2023-02-13 03:40:03,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:40:03 BasicIcfg [2023-02-13 03:40:03,106 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2023-02-13 03:40:03,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-13 03:40:03,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-13 03:40:03,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-13 03:40:03,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.02 03:40:02" (1/4) ... [2023-02-13 03:40:03,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16bfd2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:40:03, skipping insertion in model container [2023-02-13 03:40:03,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:02" (2/4) ... [2023-02-13 03:40:03,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16bfd2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:40:03, skipping insertion in model container [2023-02-13 03:40:03,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:03" (3/4) ... [2023-02-13 03:40:03,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16bfd2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:40:03, skipping insertion in model container [2023-02-13 03:40:03,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:40:03" (4/4) ... [2023-02-13 03:40:03,110 INFO L111 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:40:03,120 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2023-02-13 03:40:03,120 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-13 03:40:03,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16bfd2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:40:03, skipping insertion in model container [2023-02-13 03:40:03,120 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-13 03:40:03,121 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-13 03:40:03,121 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-13 03:40:03,123 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-13 03:40:03,123 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:03,123 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.02 03:40:02" (1/4) ... [2023-02-13 03:40:03,124 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b5c88f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:40:03, skipping insertion in model container [2023-02-13 03:40:03,124 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:03,124 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:02" (2/4) ... [2023-02-13 03:40:03,124 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b5c88f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:40:03, skipping insertion in model container [2023-02-13 03:40:03,124 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:03,124 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:03" (3/4) ... [2023-02-13 03:40:03,124 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b5c88f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:40:03, skipping insertion in model container [2023-02-13 03:40:03,124 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:03,124 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:40:03" (4/4) ... [2023-02-13 03:40:03,125 INFO L322 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:40:03,152 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2023-02-13 03:40:03,152 INFO L302 stractBuchiCegarLoop]: Hoare is true [2023-02-13 03:40:03,152 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-13 03:40:03,152 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-13 03:40:03,153 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-13 03:40:03,153 INFO L306 stractBuchiCegarLoop]: Difference is false [2023-02-13 03:40:03,153 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-13 03:40:03,153 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-13 03:40:03,155 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:03,165 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-02-13 03:40:03,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:03,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:03,168 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:40:03,168 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-02-13 03:40:03,169 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-13 03:40:03,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:03,169 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-02-13 03:40:03,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:03,169 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:03,169 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:40:03,170 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-02-13 03:40:03,172 INFO L733 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [63] ULTIMATE.startENTRY-->L25-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_13|, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_4|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_6|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_#t~nondet2#1, ULTIMATE.start_main_#t~nondet0#1] 2#L25-2true [2023-02-13 03:40:03,173 INFO L735 eck$LassoCheckResult]: Loop: 2#L25-2true [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 5#L25true [61] L25-->L26: Formula: (> |v_ULTIMATE.start_main_#t~nondet2#1_3| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_3|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 7#L26true [50] L26-->L26-2: Formula: (and (< |v_ULTIMATE.start_main_~x~0#1_6| |v_ULTIMATE.start_main_~y~0#1_7|) (= (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_6|) |v_ULTIMATE.start_main_~y~0#1_6|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_7|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0#1] 4#L26-2true [45] L26-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet3#1_3| |v_ULTIMATE.start_main_~x~0#1_8|) InVars {ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_3|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet3#1] 2#L25-2true [2023-02-13 03:40:03,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:03,176 INFO L85 PathProgramCache]: Analyzing trace with hash 94, now seen corresponding path program 1 times [2023-02-13 03:40:03,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:03,181 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858301168] [2023-02-13 03:40:03,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:03,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:03,227 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:03,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:03,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:03,239 INFO L85 PathProgramCache]: Analyzing trace with hash 2205168, now seen corresponding path program 1 times [2023-02-13 03:40:03,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:03,240 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482256866] [2023-02-13 03:40:03,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:03,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:03,247 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:03,251 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:03,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:03,252 INFO L85 PathProgramCache]: Analyzing trace with hash 88092621, now seen corresponding path program 1 times [2023-02-13 03:40:03,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:03,252 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11028567] [2023-02-13 03:40:03,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:03,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:03,256 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:03,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:03,308 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:03,309 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:03,309 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:03,309 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:03,309 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:40:03,309 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:03,309 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:03,309 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:03,309 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2023-02-13 03:40:03,309 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:03,310 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:03,317 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:03,323 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:03,325 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:03,330 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:03,363 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:03,363 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:40:03,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:03,365 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:03,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:03,368 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-02-13 03:40:03,368 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:03,368 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:03,379 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:03,380 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:03,396 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:03,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:03,396 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:03,398 INFO L229 MonitoredProcess]: Starting monitored process 3 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:03,399 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-02-13 03:40:03,399 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:03,399 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:03,407 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:03,408 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:03,429 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-02-13 03:40:03,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:03,430 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:03,431 INFO L229 MonitoredProcess]: Starting monitored process 4 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:03,432 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-02-13 03:40:03,433 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:03,434 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:03,474 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-02-13 03:40:03,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:03,475 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:03,476 INFO L229 MonitoredProcess]: Starting monitored process 5 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:03,477 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-02-13 03:40:03,479 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:03,479 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:03,533 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:40:03,536 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-02-13 03:40:03,536 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:03,536 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:03,536 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:03,536 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:03,536 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:40:03,536 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:03,537 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:03,537 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:03,537 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2023-02-13 03:40:03,537 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:03,537 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:03,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:03,542 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:03,547 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:03,551 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:03,608 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:03,611 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:40:03,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:03,612 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:03,613 INFO L229 MonitoredProcess]: Starting monitored process 6 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:03,613 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-02-13 03:40:03,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:03,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:03,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:03,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:03,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:03,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:03,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:03,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:03,641 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-02-13 03:40:03,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:03,642 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:03,643 INFO L229 MonitoredProcess]: Starting monitored process 7 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:03,643 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-02-13 03:40:03,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:03,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:03,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:03,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:03,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:03,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:03,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:03,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:03,673 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-02-13 03:40:03,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:03,674 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:03,675 INFO L229 MonitoredProcess]: Starting monitored process 8 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:03,675 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-02-13 03:40:03,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:03,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:03,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:03,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:03,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:03,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:03,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:03,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:03,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:03,718 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-02-13 03:40:03,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:03,719 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:03,720 INFO L229 MonitoredProcess]: Starting monitored process 9 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:03,721 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-02-13 03:40:03,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:03,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:03,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:03,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:03,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:03,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:03,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:03,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:03,744 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:40:03,751 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-02-13 03:40:03,751 INFO L444 ModelExtractionUtils]: 3 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-13 03:40:03,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:03,755 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:03,756 INFO L229 MonitoredProcess]: Starting monitored process 10 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:03,759 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-02-13 03:40:03,759 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:40:03,760 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:40:03,760 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:40:03,763 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-02-13 03:40:03,799 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-02-13 03:40:03,805 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:40:03,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:03,843 WARN L261 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:03,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:03,859 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-13 03:40:03,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:03,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-13 03:40:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:04,018 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-13 03:40:04,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:04,034 INFO L100 LoopCannibalizer]: 4 predicates before loop cannibalization 4 predicates after loop cannibalization [2023-02-13 03:40:04,039 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2023-02-13 03:40:04,041 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:04,165 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 59 transitions. Complement of second has 13 states. [2023-02-13 03:40:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 2 accepting loop states [2023-02-13 03:40:04,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:04,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 34 transitions. [2023-02-13 03:40:04,173 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 34 transitions. Stem has 1 letters. Loop has 4 letters. [2023-02-13 03:40:04,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:04,174 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 34 transitions. Stem has 5 letters. Loop has 4 letters. [2023-02-13 03:40:04,175 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:04,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 34 transitions. Stem has 1 letters. Loop has 8 letters. [2023-02-13 03:40:04,175 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:04,179 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 59 transitions. [2023-02-13 03:40:04,180 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 16 [2023-02-13 03:40:04,183 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 28 states and 45 transitions. [2023-02-13 03:40:04,184 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2023-02-13 03:40:04,184 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2023-02-13 03:40:04,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 45 transitions. [2023-02-13 03:40:04,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-13 03:40:04,184 INFO L220 hiAutomatonCegarLoop]: Abstraction has 28 states and 45 transitions. [2023-02-13 03:40:04,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 45 transitions. [2023-02-13 03:40:04,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 17. [2023-02-13 03:40:04,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.588235294117647) internal successors, (27), 16 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:04,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 27 transitions. [2023-02-13 03:40:04,212 INFO L242 hiAutomatonCegarLoop]: Abstraction has 17 states and 27 transitions. [2023-02-13 03:40:04,213 INFO L426 stractBuchiCegarLoop]: Abstraction has 17 states and 27 transitions. [2023-02-13 03:40:04,213 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-13 03:40:04,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 27 transitions. [2023-02-13 03:40:04,214 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-02-13 03:40:04,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:04,215 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:04,215 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-13 03:40:04,215 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-02-13 03:40:04,216 INFO L733 eck$LassoCheckResult]: Stem: 116#ULTIMATE.startENTRY [63] ULTIMATE.startENTRY-->L25-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_13|, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_4|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_6|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_#t~nondet2#1, ULTIMATE.start_main_#t~nondet0#1] 117#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 127#L25 [2023-02-13 03:40:04,216 INFO L735 eck$LassoCheckResult]: Loop: 127#L25 [61] L25-->L26: Formula: (> |v_ULTIMATE.start_main_#t~nondet2#1_3| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_3|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 124#L26 [57] L26-->L26-2: Formula: (and (>= |v_ULTIMATE.start_main_~x~0#1_7| |v_ULTIMATE.start_main_~y~0#1_9|) (= (+ (- 1) |v_ULTIMATE.start_main_~y~0#1_9|) |v_ULTIMATE.start_main_~y~0#1_8|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_7|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_9|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_7|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0#1] 125#L26-2 [45] L26-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet3#1_3| |v_ULTIMATE.start_main_~x~0#1_8|) InVars {ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_3|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet3#1] 128#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 127#L25 [2023-02-13 03:40:04,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:04,217 INFO L85 PathProgramCache]: Analyzing trace with hash 2955, now seen corresponding path program 1 times [2023-02-13 03:40:04,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:04,217 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766182907] [2023-02-13 03:40:04,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:04,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:04,222 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:04,225 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:04,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:04,226 INFO L85 PathProgramCache]: Analyzing trace with hash 2796985, now seen corresponding path program 1 times [2023-02-13 03:40:04,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:04,226 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542251451] [2023-02-13 03:40:04,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:04,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:04,230 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:04,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:04,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:04,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1564089277, now seen corresponding path program 1 times [2023-02-13 03:40:04,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:04,235 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132264798] [2023-02-13 03:40:04,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:04,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:04,238 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:04,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:04,264 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:04,264 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:04,264 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:04,264 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:04,264 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:40:04,264 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:04,264 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:04,264 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:04,264 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2023-02-13 03:40:04,264 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:04,264 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:04,265 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:04,267 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:04,272 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:04,274 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:04,298 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:04,298 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:40:04,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:04,298 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:04,299 INFO L229 MonitoredProcess]: Starting monitored process 11 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:04,299 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-02-13 03:40:04,300 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:04,300 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:04,307 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:04,307 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:04,322 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:04,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:04,323 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:04,323 INFO L229 MonitoredProcess]: Starting monitored process 12 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:04,324 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-02-13 03:40:04,324 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:04,324 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:04,342 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-02-13 03:40:04,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:04,343 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:04,344 INFO L229 MonitoredProcess]: Starting monitored process 13 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:04,344 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-02-13 03:40:04,345 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:04,345 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:04,454 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:40:04,456 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-02-13 03:40:04,456 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:04,457 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:04,457 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:04,457 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:04,458 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:40:04,458 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:04,458 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:04,459 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:04,459 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2023-02-13 03:40:04,459 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:04,459 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:04,462 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:04,475 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:04,478 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:04,480 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:04,512 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:04,512 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:40:04,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:04,512 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:04,513 INFO L229 MonitoredProcess]: Starting monitored process 14 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:04,514 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-02-13 03:40:04,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:04,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:04,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:04,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:04,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:04,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:04,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:04,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:04,523 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:40:04,525 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-02-13 03:40:04,525 INFO L444 ModelExtractionUtils]: 3 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-13 03:40:04,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:04,525 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:04,526 INFO L229 MonitoredProcess]: Starting monitored process 15 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:04,527 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-02-13 03:40:04,527 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:40:04,527 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:40:04,527 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:40:04,527 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-02-13 03:40:04,542 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-02-13 03:40:04,543 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:40:04,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:04,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:04,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:04,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-13 03:40:04,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:04,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-13 03:40:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:04,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-13 03:40:04,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:04,607 INFO L100 LoopCannibalizer]: 2 predicates before loop cannibalization 3 predicates after loop cannibalization [2023-02-13 03:40:04,607 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-02-13 03:40:04,607 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 17 states and 27 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:04,645 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 17 states and 27 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 64 transitions. Complement of second has 9 states. [2023-02-13 03:40:04,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 2 accepting loop states [2023-02-13 03:40:04,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:04,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2023-02-13 03:40:04,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 2 letters. Loop has 4 letters. [2023-02-13 03:40:04,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:04,648 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 6 letters. Loop has 4 letters. [2023-02-13 03:40:04,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:04,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 2 letters. Loop has 8 letters. [2023-02-13 03:40:04,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:04,651 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 64 transitions. [2023-02-13 03:40:04,653 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2023-02-13 03:40:04,654 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 27 states and 43 transitions. [2023-02-13 03:40:04,654 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-02-13 03:40:04,654 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-02-13 03:40:04,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 43 transitions. [2023-02-13 03:40:04,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-13 03:40:04,655 INFO L220 hiAutomatonCegarLoop]: Abstraction has 27 states and 43 transitions. [2023-02-13 03:40:04,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 43 transitions. [2023-02-13 03:40:04,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23. [2023-02-13 03:40:04,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:04,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 38 transitions. [2023-02-13 03:40:04,658 INFO L242 hiAutomatonCegarLoop]: Abstraction has 23 states and 38 transitions. [2023-02-13 03:40:04,658 INFO L426 stractBuchiCegarLoop]: Abstraction has 23 states and 38 transitions. [2023-02-13 03:40:04,658 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-13 03:40:04,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 38 transitions. [2023-02-13 03:40:04,658 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2023-02-13 03:40:04,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:04,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:04,659 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-13 03:40:04,659 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-02-13 03:40:04,659 INFO L733 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY [63] ULTIMATE.startENTRY-->L25-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_13|, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_4|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_6|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_#t~nondet2#1, ULTIMATE.start_main_#t~nondet0#1] 225#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 241#L25 [47] L25-->L33: Formula: (= |v_ULTIMATE.start_main_#t~nondet2#1_5| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 229#L33 [2023-02-13 03:40:04,659 INFO L735 eck$LassoCheckResult]: Loop: 229#L33 [48] L33-->L33-2: Formula: (and (= |v_ULTIMATE.start_main_~x~0#1_9| (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_10|)) (< |v_ULTIMATE.start_main_~x~0#1_10| |v_ULTIMATE.start_main_~y~0#1_10|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_10|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_10|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_9|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1] 231#L33-2 [52] L33-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet4#1_3| |v_ULTIMATE.start_main_~y~0#1_12|) InVars {ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|} OutVars{ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~y~0#1] 232#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 235#L25 [47] L25-->L33: Formula: (= |v_ULTIMATE.start_main_#t~nondet2#1_5| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 229#L33 [2023-02-13 03:40:04,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:04,660 INFO L85 PathProgramCache]: Analyzing trace with hash 91652, now seen corresponding path program 1 times [2023-02-13 03:40:04,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:04,660 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201935369] [2023-02-13 03:40:04,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:04,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:04,664 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:04,666 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:04,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:04,666 INFO L85 PathProgramCache]: Analyzing trace with hash 2404779, now seen corresponding path program 1 times [2023-02-13 03:40:04,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:04,667 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613615630] [2023-02-13 03:40:04,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:04,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:04,670 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:04,672 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:04,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:04,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1255317970, now seen corresponding path program 1 times [2023-02-13 03:40:04,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:04,672 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746825100] [2023-02-13 03:40:04,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:04,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:04,676 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:04,678 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:04,694 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:04,694 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:04,694 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:04,694 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:04,695 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:40:04,695 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:04,695 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:04,695 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:04,695 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2023-02-13 03:40:04,695 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:04,695 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:04,696 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:04,698 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:04,700 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:04,702 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:04,735 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:04,735 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:40:04,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:04,735 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:04,736 INFO L229 MonitoredProcess]: Starting monitored process 16 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:04,736 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-02-13 03:40:04,737 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:04,738 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:04,743 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:04,743 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:04,765 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-02-13 03:40:04,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:04,766 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:04,766 INFO L229 MonitoredProcess]: Starting monitored process 17 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:04,767 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-02-13 03:40:04,767 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:04,768 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:04,776 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:04,776 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:04,790 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-02-13 03:40:04,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:04,791 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:04,792 INFO L229 MonitoredProcess]: Starting monitored process 18 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:04,793 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-02-13 03:40:04,793 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:04,794 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:04,803 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:04,804 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:04,833 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-02-13 03:40:04,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:04,833 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:04,834 INFO L229 MonitoredProcess]: Starting monitored process 19 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:04,835 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-02-13 03:40:04,836 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:04,836 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:04,885 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-02-13 03:40:04,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:04,886 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:04,887 INFO L229 MonitoredProcess]: Starting monitored process 20 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:04,888 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-02-13 03:40:04,889 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:04,889 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:04,975 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:40:04,977 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-02-13 03:40:04,977 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:04,977 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:04,977 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:04,977 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:04,978 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:40:04,978 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:04,978 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:04,978 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:04,978 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2023-02-13 03:40:04,978 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:04,978 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:04,978 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:04,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:04,993 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:04,996 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:05,054 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:05,055 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:40:05,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:05,056 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:05,057 INFO L229 MonitoredProcess]: Starting monitored process 21 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:05,058 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-02-13 03:40:05,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:05,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:05,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:05,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:05,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:05,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:05,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:05,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:05,079 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:40:05,086 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-13 03:40:05,087 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-13 03:40:05,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:05,087 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:05,090 INFO L229 MonitoredProcess]: Starting monitored process 22 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:05,093 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-02-13 03:40:05,095 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:40:05,095 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:40:05,095 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:40:05,096 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2023-02-13 03:40:05,132 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-02-13 03:40:05,133 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:40:05,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:05,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:05,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:05,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-13 03:40:05,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:05,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-13 03:40:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:05,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-13 03:40:05,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:05,238 INFO L100 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization [2023-02-13 03:40:05,238 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-02-13 03:40:05,238 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 23 states and 38 transitions. cyclomatic complexity: 18 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:05,263 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-02-13 03:40:05,297 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-02-13 03:40:05,299 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 23 states and 38 transitions. cyclomatic complexity: 18. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 66 transitions. Complement of second has 17 states. [2023-02-13 03:40:05,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 2 accepting loop states [2023-02-13 03:40:05,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 28 transitions. [2023-02-13 03:40:05,300 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 3 letters. Loop has 4 letters. [2023-02-13 03:40:05,300 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:05,300 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 7 letters. Loop has 4 letters. [2023-02-13 03:40:05,300 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:05,300 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 3 letters. Loop has 8 letters. [2023-02-13 03:40:05,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:05,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 66 transitions. [2023-02-13 03:40:05,303 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 18 [2023-02-13 03:40:05,303 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 31 states and 51 transitions. [2023-02-13 03:40:05,303 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-02-13 03:40:05,303 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-02-13 03:40:05,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 51 transitions. [2023-02-13 03:40:05,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-13 03:40:05,304 INFO L220 hiAutomatonCegarLoop]: Abstraction has 31 states and 51 transitions. [2023-02-13 03:40:05,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 51 transitions. [2023-02-13 03:40:05,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2023-02-13 03:40:05,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.6206896551724137) internal successors, (47), 28 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:05,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 47 transitions. [2023-02-13 03:40:05,305 INFO L242 hiAutomatonCegarLoop]: Abstraction has 29 states and 47 transitions. [2023-02-13 03:40:05,305 INFO L426 stractBuchiCegarLoop]: Abstraction has 29 states and 47 transitions. [2023-02-13 03:40:05,305 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-02-13 03:40:05,305 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 47 transitions. [2023-02-13 03:40:05,306 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2023-02-13 03:40:05,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:05,306 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:05,306 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-13 03:40:05,306 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2023-02-13 03:40:05,306 INFO L733 eck$LassoCheckResult]: Stem: 355#ULTIMATE.startENTRY [63] ULTIMATE.startENTRY-->L25-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_13|, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_4|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_6|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_#t~nondet2#1, ULTIMATE.start_main_#t~nondet0#1] 356#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 378#L25 [47] L25-->L33: Formula: (= |v_ULTIMATE.start_main_#t~nondet2#1_5| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 361#L33 [2023-02-13 03:40:05,306 INFO L735 eck$LassoCheckResult]: Loop: 361#L33 [48] L33-->L33-2: Formula: (and (= |v_ULTIMATE.start_main_~x~0#1_9| (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_10|)) (< |v_ULTIMATE.start_main_~x~0#1_10| |v_ULTIMATE.start_main_~y~0#1_10|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_10|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_10|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_9|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1] 362#L33-2 [52] L33-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet4#1_3| |v_ULTIMATE.start_main_~y~0#1_12|) InVars {ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|} OutVars{ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~y~0#1] 367#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 370#L25 [61] L25-->L26: Formula: (> |v_ULTIMATE.start_main_#t~nondet2#1_3| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_3|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 360#L26 [50] L26-->L26-2: Formula: (and (< |v_ULTIMATE.start_main_~x~0#1_6| |v_ULTIMATE.start_main_~y~0#1_7|) (= (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_6|) |v_ULTIMATE.start_main_~y~0#1_6|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_7|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0#1] 357#L26-2 [45] L26-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet3#1_3| |v_ULTIMATE.start_main_~x~0#1_8|) InVars {ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_3|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet3#1] 358#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 369#L25 [47] L25-->L33: Formula: (= |v_ULTIMATE.start_main_#t~nondet2#1_5| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 361#L33 [2023-02-13 03:40:05,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:05,307 INFO L85 PathProgramCache]: Analyzing trace with hash 91652, now seen corresponding path program 2 times [2023-02-13 03:40:05,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:05,307 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393358008] [2023-02-13 03:40:05,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:05,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:05,309 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:05,311 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:05,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:05,311 INFO L85 PathProgramCache]: Analyzing trace with hash 380278234, now seen corresponding path program 1 times [2023-02-13 03:40:05,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:05,311 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120951080] [2023-02-13 03:40:05,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:05,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:05,315 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:05,318 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:05,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:05,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:05,319 INFO L85 PathProgramCache]: Analyzing trace with hash -2035070755, now seen corresponding path program 1 times [2023-02-13 03:40:05,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:05,319 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967719821] [2023-02-13 03:40:05,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:05,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:05,324 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:05,328 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:05,360 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:05,360 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:05,360 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:05,360 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:05,360 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:40:05,360 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:05,361 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:05,361 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:05,361 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop [2023-02-13 03:40:05,361 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:05,361 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:05,362 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:05,364 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:05,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:05,368 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:05,376 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:05,431 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:05,432 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:40:05,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:05,433 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:05,434 INFO L229 MonitoredProcess]: Starting monitored process 23 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:05,437 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-02-13 03:40:05,437 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:05,438 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:05,455 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:05,455 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=1} Honda state: {ULTIMATE.start_main_#t~nondet2#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:05,483 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:05,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:05,483 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:05,485 INFO L229 MonitoredProcess]: Starting monitored process 24 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:05,487 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-02-13 03:40:05,487 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:05,487 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:05,496 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:05,496 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:05,511 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:05,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:05,511 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:05,513 INFO L229 MonitoredProcess]: Starting monitored process 25 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:05,514 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-02-13 03:40:05,514 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:05,527 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:05,527 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {} Honda state: {} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:05,557 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:05,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:05,557 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:05,558 INFO L229 MonitoredProcess]: Starting monitored process 26 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:05,560 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-02-13 03:40:05,561 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:05,561 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:05,587 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:05,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:05,588 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:05,588 INFO L229 MonitoredProcess]: Starting monitored process 27 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:05,590 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-02-13 03:40:05,591 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:05,591 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:05,680 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:40:05,682 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-02-13 03:40:05,682 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:05,683 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:05,683 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:05,683 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:05,683 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:40:05,683 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:05,684 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:05,684 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:05,684 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop [2023-02-13 03:40:05,684 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:05,685 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:05,687 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:05,690 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:05,702 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:05,706 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:05,709 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:05,786 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:05,786 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:40:05,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:05,787 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:05,788 INFO L229 MonitoredProcess]: Starting monitored process 28 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:05,790 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-02-13 03:40:05,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:05,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:05,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:05,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:05,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:05,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:05,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:05,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:05,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:05,833 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-02-13 03:40:05,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:05,834 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:05,835 INFO L229 MonitoredProcess]: Starting monitored process 29 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:05,837 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-02-13 03:40:05,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:05,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:05,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:05,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:05,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:05,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:05,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:05,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:05,855 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:40:05,860 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-13 03:40:05,860 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-13 03:40:05,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:05,861 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:05,862 INFO L229 MonitoredProcess]: Starting monitored process 30 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:05,864 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-02-13 03:40:05,864 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:40:05,865 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:40:05,865 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:40:05,865 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-02-13 03:40:05,901 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:05,901 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:40:05,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:05,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:05,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:05,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-13 03:40:05,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:05,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-13 03:40:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:06,005 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:06,013 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:06,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-13 03:40:06,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:06,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-13 03:40:06,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:06,106 INFO L100 LoopCannibalizer]: 4 predicates before loop cannibalization 5 predicates after loop cannibalization [2023-02-13 03:40:06,107 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2023-02-13 03:40:06,107 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 29 states and 47 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:06,366 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 29 states and 47 transitions. cyclomatic complexity: 21. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 88 states and 129 transitions. Complement of second has 31 states. [2023-02-13 03:40:06,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 1 stem states 8 non-accepting loop states 3 accepting loop states [2023-02-13 03:40:06,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:06,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 34 transitions. [2023-02-13 03:40:06,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 34 transitions. Stem has 3 letters. Loop has 8 letters. [2023-02-13 03:40:06,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:06,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 34 transitions. Stem has 11 letters. Loop has 8 letters. [2023-02-13 03:40:06,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:06,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 34 transitions. Stem has 3 letters. Loop has 16 letters. [2023-02-13 03:40:06,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:06,373 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 88 states and 129 transitions. [2023-02-13 03:40:06,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 48 [2023-02-13 03:40:06,379 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 88 states to 61 states and 94 transitions. [2023-02-13 03:40:06,379 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-02-13 03:40:06,379 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-02-13 03:40:06,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 94 transitions. [2023-02-13 03:40:06,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-13 03:40:06,380 INFO L220 hiAutomatonCegarLoop]: Abstraction has 61 states and 94 transitions. [2023-02-13 03:40:06,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 94 transitions. [2023-02-13 03:40:06,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 48. [2023-02-13 03:40:06,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.5625) internal successors, (75), 47 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:06,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 75 transitions. [2023-02-13 03:40:06,385 INFO L242 hiAutomatonCegarLoop]: Abstraction has 48 states and 75 transitions. [2023-02-13 03:40:06,385 INFO L426 stractBuchiCegarLoop]: Abstraction has 48 states and 75 transitions. [2023-02-13 03:40:06,385 INFO L333 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-02-13 03:40:06,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 75 transitions. [2023-02-13 03:40:06,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 35 [2023-02-13 03:40:06,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:06,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:06,387 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-13 03:40:06,387 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2023-02-13 03:40:06,388 INFO L733 eck$LassoCheckResult]: Stem: 618#ULTIMATE.startENTRY [63] ULTIMATE.startENTRY-->L25-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_13|, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_4|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_6|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_#t~nondet2#1, ULTIMATE.start_main_#t~nondet0#1] 619#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 647#L25 [47] L25-->L33: Formula: (= |v_ULTIMATE.start_main_#t~nondet2#1_5| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 632#L33 [2023-02-13 03:40:06,388 INFO L735 eck$LassoCheckResult]: Loop: 632#L33 [58] L33-->L33-2: Formula: (and (>= |v_ULTIMATE.start_main_~x~0#1_12| |v_ULTIMATE.start_main_~y~0#1_11|) (= |v_ULTIMATE.start_main_~x~0#1_11| (+ (- 1) |v_ULTIMATE.start_main_~y~0#1_11|))) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_12|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_11|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_11|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1] 627#L33-2 [52] L33-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet4#1_3| |v_ULTIMATE.start_main_~y~0#1_12|) InVars {ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|} OutVars{ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~y~0#1] 630#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 659#L25 [61] L25-->L26: Formula: (> |v_ULTIMATE.start_main_#t~nondet2#1_3| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_3|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 624#L26 [50] L26-->L26-2: Formula: (and (< |v_ULTIMATE.start_main_~x~0#1_6| |v_ULTIMATE.start_main_~y~0#1_7|) (= (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_6|) |v_ULTIMATE.start_main_~y~0#1_6|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_7|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0#1] 658#L26-2 [45] L26-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet3#1_3| |v_ULTIMATE.start_main_~x~0#1_8|) InVars {ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_3|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet3#1] 621#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 631#L25 [47] L25-->L33: Formula: (= |v_ULTIMATE.start_main_#t~nondet2#1_5| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 632#L33 [2023-02-13 03:40:06,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:06,389 INFO L85 PathProgramCache]: Analyzing trace with hash 91652, now seen corresponding path program 3 times [2023-02-13 03:40:06,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:06,389 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092990885] [2023-02-13 03:40:06,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:06,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:06,393 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:06,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:06,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:06,396 INFO L85 PathProgramCache]: Analyzing trace with hash 628512400, now seen corresponding path program 1 times [2023-02-13 03:40:06,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:06,396 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123323771] [2023-02-13 03:40:06,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:06,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:06,401 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:06,404 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:06,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:06,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1786836589, now seen corresponding path program 1 times [2023-02-13 03:40:06,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:06,405 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917056838] [2023-02-13 03:40:06,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:06,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:06,409 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:06,412 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:06,466 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:06,466 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:06,466 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:06,466 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:06,466 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:40:06,467 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:06,467 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:06,467 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:06,467 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Loop [2023-02-13 03:40:06,467 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:06,467 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:06,469 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:06,472 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:06,476 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:06,481 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:06,484 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:06,560 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:06,561 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:40:06,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:06,562 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:06,563 INFO L229 MonitoredProcess]: Starting monitored process 31 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:06,565 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-02-13 03:40:06,566 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:06,567 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:06,583 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:06,583 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=1} Honda state: {ULTIMATE.start_main_#t~nondet2#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:06,620 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:06,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:06,621 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:06,622 INFO L229 MonitoredProcess]: Starting monitored process 32 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:06,624 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-02-13 03:40:06,624 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:06,624 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:06,632 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:06,633 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_9=1} Honda state: {v_rep~unnamed0~0~true_9=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:06,648 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-02-13 03:40:06,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:06,649 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:06,650 INFO L229 MonitoredProcess]: Starting monitored process 33 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:06,651 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-02-13 03:40:06,652 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:06,652 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:06,665 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:06,666 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_9=0} Honda state: {v_rep~unnamed0~0~false_9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:06,699 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:06,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:06,700 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:06,701 INFO L229 MonitoredProcess]: Starting monitored process 34 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:06,703 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-02-13 03:40:06,703 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:06,717 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:06,717 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {} Honda state: {} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:06,746 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-02-13 03:40:06,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:06,747 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:06,748 INFO L229 MonitoredProcess]: Starting monitored process 35 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:06,750 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-02-13 03:40:06,750 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:06,750 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:06,796 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-02-13 03:40:06,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:06,797 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:06,798 INFO L229 MonitoredProcess]: Starting monitored process 36 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:06,800 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-02-13 03:40:06,800 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:06,800 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:06,910 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:40:06,914 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:06,914 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:06,914 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:06,914 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:06,914 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:06,914 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:40:06,914 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:06,914 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:06,914 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:06,914 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Loop [2023-02-13 03:40:06,914 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:06,914 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:06,915 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:06,918 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:06,921 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:06,924 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:06,938 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:06,999 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:06,999 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:40:07,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:07,000 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,002 INFO L229 MonitoredProcess]: Starting monitored process 37 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:07,004 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-02-13 03:40:07,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:07,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:07,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:07,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:07,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:07,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:07,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:07,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:07,058 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:07,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:07,059 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,060 INFO L229 MonitoredProcess]: Starting monitored process 38 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:07,062 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-02-13 03:40:07,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:07,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:07,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:07,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:07,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:07,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:07,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:07,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:07,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:07,106 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-02-13 03:40:07,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:07,106 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,107 INFO L229 MonitoredProcess]: Starting monitored process 39 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:07,123 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-02-13 03:40:07,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:07,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:07,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:07,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:07,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:07,134 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:07,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:07,140 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-02-13 03:40:07,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:07,173 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-02-13 03:40:07,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:07,174 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,175 INFO L229 MonitoredProcess]: Starting monitored process 40 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:07,177 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-02-13 03:40:07,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:07,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:07,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:07,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:07,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:07,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:07,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:07,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:07,189 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:40:07,192 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-02-13 03:40:07,192 INFO L444 ModelExtractionUtils]: 4 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-13 03:40:07,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:07,193 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,193 INFO L229 MonitoredProcess]: Starting monitored process 41 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:07,198 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:40:07,198 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-02-13 03:40:07,198 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:40:07,198 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:40:07,199 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-02-13 03:40:07,235 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-02-13 03:40:07,236 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:40:07,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:07,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:07,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:07,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-13 03:40:07,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:07,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-13 03:40:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:07,327 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:07,334 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:07,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-13 03:40:07,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:07,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-13 03:40:07,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:07,407 INFO L100 LoopCannibalizer]: 4 predicates before loop cannibalization 5 predicates after loop cannibalization [2023-02-13 03:40:07,408 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2023-02-13 03:40:07,409 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 48 states and 75 transitions. cyclomatic complexity: 30 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:07,649 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 48 states and 75 transitions. cyclomatic complexity: 30. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 119 states and 175 transitions. Complement of second has 28 states. [2023-02-13 03:40:07,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 1 stem states 7 non-accepting loop states 3 accepting loop states [2023-02-13 03:40:07,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:07,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 34 transitions. [2023-02-13 03:40:07,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 34 transitions. Stem has 3 letters. Loop has 8 letters. [2023-02-13 03:40:07,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:07,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 34 transitions. Stem has 11 letters. Loop has 8 letters. [2023-02-13 03:40:07,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:07,654 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 34 transitions. Stem has 3 letters. Loop has 16 letters. [2023-02-13 03:40:07,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:07,657 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 175 transitions. [2023-02-13 03:40:07,661 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 48 [2023-02-13 03:40:07,662 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 66 states and 100 transitions. [2023-02-13 03:40:07,663 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-02-13 03:40:07,663 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-02-13 03:40:07,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 100 transitions. [2023-02-13 03:40:07,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-13 03:40:07,663 INFO L220 hiAutomatonCegarLoop]: Abstraction has 66 states and 100 transitions. [2023-02-13 03:40:07,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 100 transitions. [2023-02-13 03:40:07,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 51. [2023-02-13 03:40:07,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 50 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:07,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 79 transitions. [2023-02-13 03:40:07,669 INFO L242 hiAutomatonCegarLoop]: Abstraction has 51 states and 79 transitions. [2023-02-13 03:40:07,669 INFO L426 stractBuchiCegarLoop]: Abstraction has 51 states and 79 transitions. [2023-02-13 03:40:07,669 INFO L333 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-02-13 03:40:07,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 79 transitions. [2023-02-13 03:40:07,670 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 35 [2023-02-13 03:40:07,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:07,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:07,671 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1] [2023-02-13 03:40:07,671 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 2, 2, 1, 1, 1, 1, 1] [2023-02-13 03:40:07,672 INFO L733 eck$LassoCheckResult]: Stem: 927#ULTIMATE.startENTRY [63] ULTIMATE.startENTRY-->L25-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_13|, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_4|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_6|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_#t~nondet2#1, ULTIMATE.start_main_#t~nondet0#1] 928#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 957#L25 [47] L25-->L33: Formula: (= |v_ULTIMATE.start_main_#t~nondet2#1_5| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 936#L33 [48] L33-->L33-2: Formula: (and (= |v_ULTIMATE.start_main_~x~0#1_9| (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_10|)) (< |v_ULTIMATE.start_main_~x~0#1_10| |v_ULTIMATE.start_main_~y~0#1_10|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_10|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_10|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_9|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1] 937#L33-2 [52] L33-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet4#1_3| |v_ULTIMATE.start_main_~y~0#1_12|) InVars {ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|} OutVars{ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~y~0#1] 940#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 973#L25 [47] L25-->L33: Formula: (= |v_ULTIMATE.start_main_#t~nondet2#1_5| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 949#L33 [58] L33-->L33-2: Formula: (and (>= |v_ULTIMATE.start_main_~x~0#1_12| |v_ULTIMATE.start_main_~y~0#1_11|) (= |v_ULTIMATE.start_main_~x~0#1_11| (+ (- 1) |v_ULTIMATE.start_main_~y~0#1_11|))) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_12|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_11|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_11|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1] 944#L33-2 [52] L33-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet4#1_3| |v_ULTIMATE.start_main_~y~0#1_12|) InVars {ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|} OutVars{ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~y~0#1] 942#L25-2 [2023-02-13 03:40:07,672 INFO L735 eck$LassoCheckResult]: Loop: 942#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 933#L25 [61] L25-->L26: Formula: (> |v_ULTIMATE.start_main_#t~nondet2#1_3| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_3|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 934#L26 [50] L26-->L26-2: Formula: (and (< |v_ULTIMATE.start_main_~x~0#1_6| |v_ULTIMATE.start_main_~y~0#1_7|) (= (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_6|) |v_ULTIMATE.start_main_~y~0#1_6|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_7|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0#1] 968#L26-2 [45] L26-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet3#1_3| |v_ULTIMATE.start_main_~x~0#1_8|) InVars {ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_3|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet3#1] 967#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 966#L25 [47] L25-->L33: Formula: (= |v_ULTIMATE.start_main_#t~nondet2#1_5| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 965#L33 [48] L33-->L33-2: Formula: (and (= |v_ULTIMATE.start_main_~x~0#1_9| (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_10|)) (< |v_ULTIMATE.start_main_~x~0#1_10| |v_ULTIMATE.start_main_~y~0#1_10|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_10|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_10|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_9|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1] 937#L33-2 [52] L33-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet4#1_3| |v_ULTIMATE.start_main_~y~0#1_12|) InVars {ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|} OutVars{ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~y~0#1] 940#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 973#L25 [47] L25-->L33: Formula: (= |v_ULTIMATE.start_main_#t~nondet2#1_5| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 949#L33 [58] L33-->L33-2: Formula: (and (>= |v_ULTIMATE.start_main_~x~0#1_12| |v_ULTIMATE.start_main_~y~0#1_11|) (= |v_ULTIMATE.start_main_~x~0#1_11| (+ (- 1) |v_ULTIMATE.start_main_~y~0#1_11|))) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_12|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_11|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_11|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1] 944#L33-2 [52] L33-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet4#1_3| |v_ULTIMATE.start_main_~y~0#1_12|) InVars {ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|} OutVars{ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~y~0#1] 942#L25-2 [2023-02-13 03:40:07,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:07,672 INFO L85 PathProgramCache]: Analyzing trace with hash 525242856, now seen corresponding path program 1 times [2023-02-13 03:40:07,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:07,673 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187129456] [2023-02-13 03:40:07,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:07,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:07,678 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:07,682 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:07,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:07,682 INFO L85 PathProgramCache]: Analyzing trace with hash 419595642, now seen corresponding path program 1 times [2023-02-13 03:40:07,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:07,682 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496590157] [2023-02-13 03:40:07,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:07,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:07,686 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:07,690 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:07,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:07,691 INFO L85 PathProgramCache]: Analyzing trace with hash 574256353, now seen corresponding path program 1 times [2023-02-13 03:40:07,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:07,691 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77524298] [2023-02-13 03:40:07,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:07,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:07,695 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:07,700 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:07,745 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:07,746 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:07,746 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:07,746 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:07,746 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:40:07,746 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:07,746 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:07,746 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:07,746 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration6_Loop [2023-02-13 03:40:07,746 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:07,746 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:07,747 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:07,748 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:07,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:07,751 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:07,752 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:07,753 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:07,783 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:07,783 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:40:07,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:07,783 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,784 INFO L229 MonitoredProcess]: Starting monitored process 42 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:07,785 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-02-13 03:40:07,786 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:07,793 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:07,793 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {} Honda state: {} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:07,814 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-02-13 03:40:07,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:07,815 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,817 INFO L229 MonitoredProcess]: Starting monitored process 43 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:07,818 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-02-13 03:40:07,819 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:07,819 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:07,836 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:07,837 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_11=1} Honda state: {v_rep~unnamed0~0~true_11=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:07,864 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-02-13 03:40:07,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:07,865 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,866 INFO L229 MonitoredProcess]: Starting monitored process 44 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:07,867 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:07,868 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-02-13 03:40:07,868 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:07,886 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:07,886 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_11=0} Honda state: {v_rep~unnamed0~0~false_11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:07,919 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-02-13 03:40:07,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:07,919 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,920 INFO L229 MonitoredProcess]: Starting monitored process 45 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:07,922 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-02-13 03:40:07,923 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:07,936 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:07,936 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {} Honda state: {} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:07,966 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-02-13 03:40:07,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:07,966 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,967 INFO L229 MonitoredProcess]: Starting monitored process 46 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:07,970 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-02-13 03:40:07,970 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:07,970 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:07,978 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:07,978 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=1} Honda state: {ULTIMATE.start_main_#t~nondet2#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:07,992 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-02-13 03:40:07,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:07,993 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,993 INFO L229 MonitoredProcess]: Starting monitored process 47 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:07,995 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-02-13 03:40:07,996 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:07,996 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:08,044 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-02-13 03:40:08,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:08,045 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:08,046 INFO L229 MonitoredProcess]: Starting monitored process 48 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:08,048 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-02-13 03:40:08,049 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:08,049 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:08,165 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:40:08,166 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:08,167 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:08,167 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:08,167 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:08,167 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:08,167 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:40:08,168 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:08,168 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:08,168 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:08,168 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration6_Loop [2023-02-13 03:40:08,168 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:08,168 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:08,170 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:08,173 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:08,187 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:08,189 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:08,192 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:08,195 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:08,268 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:08,269 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:40:08,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:08,270 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:08,271 INFO L229 MonitoredProcess]: Starting monitored process 49 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:08,275 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-02-13 03:40:08,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:08,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:08,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:08,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:08,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:08,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:08,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:08,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:08,329 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-02-13 03:40:08,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:08,330 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:08,331 INFO L229 MonitoredProcess]: Starting monitored process 50 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:08,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:08,333 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-02-13 03:40:08,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:08,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:08,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:08,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:08,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:08,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:08,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:08,348 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:40:08,352 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-02-13 03:40:08,352 INFO L444 ModelExtractionUtils]: 4 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-13 03:40:08,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:08,353 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:08,354 INFO L229 MonitoredProcess]: Starting monitored process 51 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:08,356 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:40:08,356 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:40:08,357 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-02-13 03:40:08,357 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:40:08,357 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2023-02-13 03:40:08,387 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2023-02-13 03:40:08,388 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:40:08,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:08,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:08,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:08,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-13 03:40:08,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:08,524 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-13 03:40:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:08,565 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:08,574 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:08,583 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:08,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-13 03:40:08,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:08,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-13 03:40:08,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:08,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-13 03:40:08,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:08,761 INFO L100 LoopCannibalizer]: 6 predicates before loop cannibalization 8 predicates after loop cannibalization [2023-02-13 03:40:08,761 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 8 loop predicates [2023-02-13 03:40:08,761 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 51 states and 79 transitions. cyclomatic complexity: 31 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:09,039 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 51 states and 79 transitions. cyclomatic complexity: 31. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 226 states and 345 transitions. Complement of second has 27 states. [2023-02-13 03:40:09,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 1 stem states 11 non-accepting loop states 2 accepting loop states [2023-02-13 03:40:09,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:09,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 47 transitions. [2023-02-13 03:40:09,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 47 transitions. Stem has 9 letters. Loop has 12 letters. [2023-02-13 03:40:09,043 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:09,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 47 transitions. Stem has 21 letters. Loop has 12 letters. [2023-02-13 03:40:09,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:09,045 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 47 transitions. Stem has 9 letters. Loop has 24 letters. [2023-02-13 03:40:09,046 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:09,048 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 226 states and 345 transitions. [2023-02-13 03:40:09,054 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 146 [2023-02-13 03:40:09,057 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 226 states to 162 states and 245 transitions. [2023-02-13 03:40:09,057 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-02-13 03:40:09,057 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-02-13 03:40:09,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 162 states and 245 transitions. [2023-02-13 03:40:09,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-13 03:40:09,058 INFO L220 hiAutomatonCegarLoop]: Abstraction has 162 states and 245 transitions. [2023-02-13 03:40:09,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states and 245 transitions. [2023-02-13 03:40:09,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 84. [2023-02-13 03:40:09,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 84 states have (on average 1.5476190476190477) internal successors, (130), 83 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:09,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 130 transitions. [2023-02-13 03:40:09,067 INFO L242 hiAutomatonCegarLoop]: Abstraction has 84 states and 130 transitions. [2023-02-13 03:40:09,067 INFO L426 stractBuchiCegarLoop]: Abstraction has 84 states and 130 transitions. [2023-02-13 03:40:09,067 INFO L333 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-02-13 03:40:09,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 130 transitions. [2023-02-13 03:40:09,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 68 [2023-02-13 03:40:09,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:09,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:09,069 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1] [2023-02-13 03:40:09,069 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 2, 2, 2, 2, 2, 1, 1] [2023-02-13 03:40:09,069 INFO L733 eck$LassoCheckResult]: Stem: 1435#ULTIMATE.startENTRY [63] ULTIMATE.startENTRY-->L25-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_13|, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_4|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_6|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_#t~nondet2#1, ULTIMATE.start_main_#t~nondet0#1] 1436#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 1457#L25 [47] L25-->L33: Formula: (= |v_ULTIMATE.start_main_#t~nondet2#1_5| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 1441#L33 [48] L33-->L33-2: Formula: (and (= |v_ULTIMATE.start_main_~x~0#1_9| (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_10|)) (< |v_ULTIMATE.start_main_~x~0#1_10| |v_ULTIMATE.start_main_~y~0#1_10|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_10|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_10|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_9|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1] 1444#L33-2 [52] L33-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet4#1_3| |v_ULTIMATE.start_main_~y~0#1_12|) InVars {ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|} OutVars{ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~y~0#1] 1513#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 1512#L25 [47] L25-->L33: Formula: (= |v_ULTIMATE.start_main_#t~nondet2#1_5| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 1466#L33 [58] L33-->L33-2: Formula: (and (>= |v_ULTIMATE.start_main_~x~0#1_12| |v_ULTIMATE.start_main_~y~0#1_11|) (= |v_ULTIMATE.start_main_~x~0#1_11| (+ (- 1) |v_ULTIMATE.start_main_~y~0#1_11|))) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_12|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_11|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_11|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1] 1465#L33-2 [52] L33-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet4#1_3| |v_ULTIMATE.start_main_~y~0#1_12|) InVars {ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|} OutVars{ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~y~0#1] 1431#L25-2 [2023-02-13 03:40:09,069 INFO L735 eck$LassoCheckResult]: Loop: 1431#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 1432#L25 [61] L25-->L26: Formula: (> |v_ULTIMATE.start_main_#t~nondet2#1_3| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_3|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 1499#L26 [50] L26-->L26-2: Formula: (and (< |v_ULTIMATE.start_main_~x~0#1_6| |v_ULTIMATE.start_main_~y~0#1_7|) (= (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_6|) |v_ULTIMATE.start_main_~y~0#1_6|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_7|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0#1] 1497#L26-2 [45] L26-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet3#1_3| |v_ULTIMATE.start_main_~x~0#1_8|) InVars {ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_3|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet3#1] 1498#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 1503#L25 [61] L25-->L26: Formula: (> |v_ULTIMATE.start_main_#t~nondet2#1_3| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_3|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 1500#L26 [50] L26-->L26-2: Formula: (and (< |v_ULTIMATE.start_main_~x~0#1_6| |v_ULTIMATE.start_main_~y~0#1_7|) (= (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_6|) |v_ULTIMATE.start_main_~y~0#1_6|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_7|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0#1] 1437#L26-2 [45] L26-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet3#1_3| |v_ULTIMATE.start_main_~x~0#1_8|) InVars {ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_3|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet3#1] 1438#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 1510#L25 [47] L25-->L33: Formula: (= |v_ULTIMATE.start_main_#t~nondet2#1_5| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 1505#L33 [48] L33-->L33-2: Formula: (and (= |v_ULTIMATE.start_main_~x~0#1_9| (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_10|)) (< |v_ULTIMATE.start_main_~x~0#1_10| |v_ULTIMATE.start_main_~y~0#1_10|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_10|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_10|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_9|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1] 1444#L33-2 [52] L33-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet4#1_3| |v_ULTIMATE.start_main_~y~0#1_12|) InVars {ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|} OutVars{ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~y~0#1] 1513#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 1512#L25 [47] L25-->L33: Formula: (= |v_ULTIMATE.start_main_#t~nondet2#1_5| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 1466#L33 [58] L33-->L33-2: Formula: (and (>= |v_ULTIMATE.start_main_~x~0#1_12| |v_ULTIMATE.start_main_~y~0#1_11|) (= |v_ULTIMATE.start_main_~x~0#1_11| (+ (- 1) |v_ULTIMATE.start_main_~y~0#1_11|))) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_12|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_11|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_11|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1] 1465#L33-2 [52] L33-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet4#1_3| |v_ULTIMATE.start_main_~y~0#1_12|) InVars {ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|} OutVars{ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~y~0#1] 1431#L25-2 [2023-02-13 03:40:09,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:09,070 INFO L85 PathProgramCache]: Analyzing trace with hash 525242856, now seen corresponding path program 2 times [2023-02-13 03:40:09,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:09,070 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619887962] [2023-02-13 03:40:09,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:09,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:09,075 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:09,078 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:09,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:09,079 INFO L85 PathProgramCache]: Analyzing trace with hash 254262505, now seen corresponding path program 2 times [2023-02-13 03:40:09,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:09,079 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411698668] [2023-02-13 03:40:09,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:09,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:09,084 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:09,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:09,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:09,088 INFO L85 PathProgramCache]: Analyzing trace with hash -763649840, now seen corresponding path program 2 times [2023-02-13 03:40:09,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:09,088 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327862042] [2023-02-13 03:40:09,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:09,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:09,093 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:09,099 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:09,230 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:09,230 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:09,230 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:09,230 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:09,230 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:40:09,231 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:09,231 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:09,231 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:09,231 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration7_Loop [2023-02-13 03:40:09,231 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:09,231 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:09,232 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:09,234 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:09,237 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:09,240 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:09,256 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:09,259 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:09,261 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:09,339 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:09,340 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:40:09,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:09,340 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:09,341 INFO L229 MonitoredProcess]: Starting monitored process 52 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:09,345 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-02-13 03:40:09,345 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:09,346 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:09,355 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:09,356 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=1} Honda state: {ULTIMATE.start_main_#t~nondet2#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:09,372 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2023-02-13 03:40:09,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:09,373 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:09,373 INFO L229 MonitoredProcess]: Starting monitored process 53 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:09,376 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-02-13 03:40:09,376 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:09,376 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:09,394 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:09,394 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_13=1} Honda state: {v_rep~unnamed0~0~true_13=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:09,421 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:09,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:09,422 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:09,423 INFO L229 MonitoredProcess]: Starting monitored process 54 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:09,425 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-02-13 03:40:09,425 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:09,430 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:09,431 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {} Honda state: {} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:09,445 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:09,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:09,446 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:09,447 INFO L229 MonitoredProcess]: Starting monitored process 55 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:09,449 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-02-13 03:40:09,449 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:09,450 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:09,502 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-02-13 03:40:09,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:09,503 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:09,504 INFO L229 MonitoredProcess]: Starting monitored process 56 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:09,507 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-02-13 03:40:09,507 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:09,508 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:09,597 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:40:09,599 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-02-13 03:40:09,599 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:09,600 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:09,600 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:09,600 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:09,600 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:40:09,600 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:09,601 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:09,601 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:09,601 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration7_Loop [2023-02-13 03:40:09,601 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:09,601 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:09,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:09,607 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:09,610 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:09,612 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:09,615 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:09,617 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:09,619 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:09,706 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:09,706 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:40:09,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:09,707 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:09,709 INFO L229 MonitoredProcess]: Starting monitored process 57 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:09,711 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-02-13 03:40:09,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:09,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:09,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:09,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:09,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:09,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:09,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:09,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:09,768 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-02-13 03:40:09,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:09,769 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:09,770 INFO L229 MonitoredProcess]: Starting monitored process 58 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:09,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:09,772 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-02-13 03:40:09,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:09,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:09,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:09,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:09,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:09,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:09,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:09,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:09,818 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2023-02-13 03:40:09,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:09,819 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:09,820 INFO L229 MonitoredProcess]: Starting monitored process 59 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:09,822 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-02-13 03:40:09,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:09,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:09,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:09,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:09,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:09,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:09,836 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:09,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:09,862 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2023-02-13 03:40:09,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:09,863 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:09,865 INFO L229 MonitoredProcess]: Starting monitored process 60 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:09,867 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-02-13 03:40:09,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:09,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:09,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:09,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:09,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:09,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:09,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:09,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:09,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:09,925 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:09,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:09,926 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:09,927 INFO L229 MonitoredProcess]: Starting monitored process 61 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:09,930 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-02-13 03:40:09,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:09,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:09,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:09,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:09,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:09,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:09,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:09,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:09,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:09,977 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:09,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:09,978 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:09,979 INFO L229 MonitoredProcess]: Starting monitored process 62 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:09,982 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-02-13 03:40:09,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:09,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:09,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:09,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:09,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:09,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:09,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:09,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:09,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:10,008 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:10,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:10,009 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:10,010 INFO L229 MonitoredProcess]: Starting monitored process 63 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:10,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:10,013 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-02-13 03:40:10,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:10,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:10,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:10,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:10,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:10,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:10,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:10,023 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:40:10,027 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-13 03:40:10,027 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-13 03:40:10,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:10,028 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:10,029 INFO L229 MonitoredProcess]: Starting monitored process 64 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:10,032 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:40:10,032 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:40:10,032 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-02-13 03:40:10,032 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:40:10,032 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2023-02-13 03:40:10,069 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:10,069 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:40:10,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:10,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:10,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:10,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-13 03:40:10,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:10,187 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-13 03:40:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:10,230 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:10,242 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:10,257 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:10,267 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:10,277 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:10,288 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:10,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-13 03:40:10,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:10,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-13 03:40:10,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:10,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-13 03:40:10,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:10,479 INFO L100 LoopCannibalizer]: 7 predicates before loop cannibalization 10 predicates after loop cannibalization [2023-02-13 03:40:10,479 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 10 loop predicates [2023-02-13 03:40:10,480 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 84 states and 130 transitions. cyclomatic complexity: 49 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:10,974 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 84 states and 130 transitions. cyclomatic complexity: 49. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 407 states and 580 transitions. Complement of second has 39 states. [2023-02-13 03:40:10,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 20 states 1 stem states 17 non-accepting loop states 2 accepting loop states [2023-02-13 03:40:10,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:10,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 67 transitions. [2023-02-13 03:40:10,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 67 transitions. Stem has 9 letters. Loop has 16 letters. [2023-02-13 03:40:10,978 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:10,978 INFO L680 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-13 03:40:10,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:10,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:10,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:11,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-13 03:40:11,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:11,110 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-13 03:40:11,111 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2023-02-13 03:40:11,111 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 84 states and 130 transitions. cyclomatic complexity: 49 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:11,428 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 84 states and 130 transitions. cyclomatic complexity: 49. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 409 states and 631 transitions. Complement of second has 51 states. [2023-02-13 03:40:11,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 1 stem states 11 non-accepting loop states 1 accepting loop states [2023-02-13 03:40:11,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:11,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 56 transitions. [2023-02-13 03:40:11,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 56 transitions. Stem has 9 letters. Loop has 16 letters. [2023-02-13 03:40:11,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:11,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 56 transitions. Stem has 25 letters. Loop has 16 letters. [2023-02-13 03:40:11,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:11,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 56 transitions. Stem has 9 letters. Loop has 32 letters. [2023-02-13 03:40:11,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:11,434 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 409 states and 631 transitions. [2023-02-13 03:40:11,438 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 116 [2023-02-13 03:40:11,442 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 409 states to 379 states and 592 transitions. [2023-02-13 03:40:11,442 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-02-13 03:40:11,442 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-02-13 03:40:11,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 379 states and 592 transitions. [2023-02-13 03:40:11,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-13 03:40:11,442 INFO L220 hiAutomatonCegarLoop]: Abstraction has 379 states and 592 transitions. [2023-02-13 03:40:11,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states and 592 transitions. [2023-02-13 03:40:11,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 235. [2023-02-13 03:40:11,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 235 states have (on average 1.5446808510638297) internal successors, (363), 234 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:11,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 363 transitions. [2023-02-13 03:40:11,454 INFO L242 hiAutomatonCegarLoop]: Abstraction has 235 states and 363 transitions. [2023-02-13 03:40:11,455 INFO L426 stractBuchiCegarLoop]: Abstraction has 235 states and 363 transitions. [2023-02-13 03:40:11,455 INFO L333 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-02-13 03:40:11,455 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 235 states and 363 transitions. [2023-02-13 03:40:11,456 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 87 [2023-02-13 03:40:11,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:11,456 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:11,456 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1] [2023-02-13 03:40:11,456 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 2, 2, 2, 2, 2, 2] [2023-02-13 03:40:11,456 INFO L733 eck$LassoCheckResult]: Stem: 2783#ULTIMATE.startENTRY [63] ULTIMATE.startENTRY-->L25-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_13|, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_4|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_6|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_#t~nondet2#1, ULTIMATE.start_main_#t~nondet0#1] 2784#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 2808#L25 [47] L25-->L33: Formula: (= |v_ULTIMATE.start_main_#t~nondet2#1_5| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 2789#L33 [48] L33-->L33-2: Formula: (and (= |v_ULTIMATE.start_main_~x~0#1_9| (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_10|)) (< |v_ULTIMATE.start_main_~x~0#1_10| |v_ULTIMATE.start_main_~y~0#1_10|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_10|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_10|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_9|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1] 2791#L33-2 [52] L33-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet4#1_3| |v_ULTIMATE.start_main_~y~0#1_12|) InVars {ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|} OutVars{ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~y~0#1] 2873#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 2874#L25 [47] L25-->L33: Formula: (= |v_ULTIMATE.start_main_#t~nondet2#1_5| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 2818#L33 [58] L33-->L33-2: Formula: (and (>= |v_ULTIMATE.start_main_~x~0#1_12| |v_ULTIMATE.start_main_~y~0#1_11|) (= |v_ULTIMATE.start_main_~x~0#1_11| (+ (- 1) |v_ULTIMATE.start_main_~y~0#1_11|))) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_12|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_11|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_11|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1] 2817#L33-2 [52] L33-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet4#1_3| |v_ULTIMATE.start_main_~y~0#1_12|) InVars {ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|} OutVars{ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~y~0#1] 2868#L25-2 [2023-02-13 03:40:11,457 INFO L735 eck$LassoCheckResult]: Loop: 2868#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 2961#L25 [61] L25-->L26: Formula: (> |v_ULTIMATE.start_main_#t~nondet2#1_3| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_3|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 2962#L26 [50] L26-->L26-2: Formula: (and (< |v_ULTIMATE.start_main_~x~0#1_6| |v_ULTIMATE.start_main_~y~0#1_7|) (= (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_6|) |v_ULTIMATE.start_main_~y~0#1_6|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_7|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0#1] 2785#L26-2 [45] L26-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet3#1_3| |v_ULTIMATE.start_main_~x~0#1_8|) InVars {ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_3|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet3#1] 2787#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 2963#L25 [61] L25-->L26: Formula: (> |v_ULTIMATE.start_main_#t~nondet2#1_3| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_3|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 2964#L26 [50] L26-->L26-2: Formula: (and (< |v_ULTIMATE.start_main_~x~0#1_6| |v_ULTIMATE.start_main_~y~0#1_7|) (= (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_6|) |v_ULTIMATE.start_main_~y~0#1_6|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_7|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0#1] 2932#L26-2 [45] L26-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet3#1_3| |v_ULTIMATE.start_main_~x~0#1_8|) InVars {ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_3|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet3#1] 2970#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 2969#L25 [47] L25-->L33: Formula: (= |v_ULTIMATE.start_main_#t~nondet2#1_5| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 2968#L33 [58] L33-->L33-2: Formula: (and (>= |v_ULTIMATE.start_main_~x~0#1_12| |v_ULTIMATE.start_main_~y~0#1_11|) (= |v_ULTIMATE.start_main_~x~0#1_11| (+ (- 1) |v_ULTIMATE.start_main_~y~0#1_11|))) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_12|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_11|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_11|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1] 2922#L33-2 [52] L33-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet4#1_3| |v_ULTIMATE.start_main_~y~0#1_12|) InVars {ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|} OutVars{ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~y~0#1] 2934#L25-2 [41] L25-2-->L25: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[] 2915#L25 [47] L25-->L33: Formula: (= |v_ULTIMATE.start_main_#t~nondet2#1_5| 0) InVars {ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|} OutVars{} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2#1] 2818#L33 [58] L33-->L33-2: Formula: (and (>= |v_ULTIMATE.start_main_~x~0#1_12| |v_ULTIMATE.start_main_~y~0#1_11|) (= |v_ULTIMATE.start_main_~x~0#1_11| (+ (- 1) |v_ULTIMATE.start_main_~y~0#1_11|))) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_12|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_11|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_11|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1] 2817#L33-2 [52] L33-2-->L25-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet4#1_3| |v_ULTIMATE.start_main_~y~0#1_12|) InVars {ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|} OutVars{ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~y~0#1] 2868#L25-2 [2023-02-13 03:40:11,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:11,457 INFO L85 PathProgramCache]: Analyzing trace with hash 525242856, now seen corresponding path program 3 times [2023-02-13 03:40:11,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:11,457 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318114026] [2023-02-13 03:40:11,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:11,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:11,460 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:11,463 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:11,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:11,463 INFO L85 PathProgramCache]: Analyzing trace with hash 540554015, now seen corresponding path program 2 times [2023-02-13 03:40:11,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:11,463 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244981590] [2023-02-13 03:40:11,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:11,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:11,466 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:11,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:11,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:11,469 INFO L85 PathProgramCache]: Analyzing trace with hash -477358330, now seen corresponding path program 3 times [2023-02-13 03:40:11,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:11,469 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319201888] [2023-02-13 03:40:11,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:11,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:11,473 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:11,477 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:11,535 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:11,535 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:11,536 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:11,536 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:11,536 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:40:11,536 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:11,536 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:11,536 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:11,536 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration8_Loop [2023-02-13 03:40:11,537 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:11,537 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:11,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:11,540 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:11,542 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:11,544 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:11,559 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:11,562 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:11,564 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:11,646 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:11,646 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:40:11,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:11,647 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:11,648 INFO L229 MonitoredProcess]: Starting monitored process 65 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:11,651 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-02-13 03:40:11,651 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:11,652 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:11,670 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:11,670 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_15=1} Honda state: {v_rep~unnamed0~0~true_15=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:11,697 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2023-02-13 03:40:11,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:11,698 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:11,699 INFO L229 MonitoredProcess]: Starting monitored process 66 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:11,700 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-02-13 03:40:11,701 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:11,701 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:11,708 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:11,709 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_15=0} Honda state: {v_rep~unnamed0~0~false_15=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:11,723 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2023-02-13 03:40:11,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:11,724 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:11,725 INFO L229 MonitoredProcess]: Starting monitored process 67 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:11,726 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-02-13 03:40:11,727 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:11,740 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:11,740 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {} Honda state: {} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:11,768 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2023-02-13 03:40:11,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:11,769 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:11,770 INFO L229 MonitoredProcess]: Starting monitored process 68 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:11,772 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-02-13 03:40:11,773 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:11,773 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:11,819 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2023-02-13 03:40:11,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:11,820 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:11,821 INFO L229 MonitoredProcess]: Starting monitored process 69 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:11,822 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-02-13 03:40:11,823 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:11,823 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:11,927 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:40:11,929 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:11,929 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:11,930 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:11,930 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:11,930 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:11,930 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:40:11,930 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:11,931 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:11,931 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:11,931 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration8_Loop [2023-02-13 03:40:11,931 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:11,931 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:11,933 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:11,937 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:11,940 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:11,955 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:11,958 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:11,960 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:11,963 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:12,043 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:12,043 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:40:12,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:12,044 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:12,046 INFO L229 MonitoredProcess]: Starting monitored process 70 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:12,047 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-02-13 03:40:12,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:12,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:12,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:12,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:12,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:12,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:12,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:12,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:12,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:12,094 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:12,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:12,095 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:12,097 INFO L229 MonitoredProcess]: Starting monitored process 71 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:12,099 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-02-13 03:40:12,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:12,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:12,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:12,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:12,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:12,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:12,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:12,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:12,138 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2023-02-13 03:40:12,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:12,139 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:12,140 INFO L229 MonitoredProcess]: Starting monitored process 72 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:12,142 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-02-13 03:40:12,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:12,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:12,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:12,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:12,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:12,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:12,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:12,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:12,163 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:40:12,170 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-13 03:40:12,170 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-13 03:40:12,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:12,170 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:12,171 INFO L229 MonitoredProcess]: Starting monitored process 73 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:12,173 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:40:12,173 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:40:12,173 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-02-13 03:40:12,174 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:40:12,174 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2023-02-13 03:40:12,206 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:12,207 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:40:12,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:12,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:12,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:12,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-13 03:40:12,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:12,326 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-13 03:40:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:12,365 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:12,376 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:12,386 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:12,397 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:12,408 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:12,420 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:12,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-13 03:40:12,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:12,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-13 03:40:12,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:12,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-13 03:40:12,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:12,623 INFO L100 LoopCannibalizer]: 7 predicates before loop cannibalization 11 predicates after loop cannibalization [2023-02-13 03:40:12,624 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 11 loop predicates [2023-02-13 03:40:12,624 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 235 states and 363 transitions. cyclomatic complexity: 136 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:13,289 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 235 states and 363 transitions. cyclomatic complexity: 136. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1241 states and 1770 transitions. Complement of second has 36 states. [2023-02-13 03:40:13,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 20 states 1 stem states 16 non-accepting loop states 3 accepting loop states [2023-02-13 03:40:13,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:13,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 60 transitions. [2023-02-13 03:40:13,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 60 transitions. Stem has 9 letters. Loop has 16 letters. [2023-02-13 03:40:13,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:13,294 INFO L680 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-13 03:40:13,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:13,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:13,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:13,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-13 03:40:13,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:13,421 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-13 03:40:13,422 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2023-02-13 03:40:13,422 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 235 states and 363 transitions. cyclomatic complexity: 136 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:13,750 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 235 states and 363 transitions. cyclomatic complexity: 136. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1195 states and 1902 transitions. Complement of second has 51 states. [2023-02-13 03:40:13,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 1 stem states 11 non-accepting loop states 1 accepting loop states [2023-02-13 03:40:13,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:13,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 56 transitions. [2023-02-13 03:40:13,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 56 transitions. Stem has 9 letters. Loop has 16 letters. [2023-02-13 03:40:13,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:13,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 56 transitions. Stem has 25 letters. Loop has 16 letters. [2023-02-13 03:40:13,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:13,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 56 transitions. Stem has 9 letters. Loop has 32 letters. [2023-02-13 03:40:13,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:13,756 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1195 states and 1902 transitions. [2023-02-13 03:40:13,766 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-13 03:40:13,767 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1195 states to 0 states and 0 transitions. [2023-02-13 03:40:13,767 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-13 03:40:13,767 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-13 03:40:13,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-13 03:40:13,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-13 03:40:13,767 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:40:13,767 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:40:13,767 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:40:13,767 INFO L333 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-02-13 03:40:13,767 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-13 03:40:13,768 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-13 03:40:13,768 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-13 03:40:13,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:40:13 BasicIcfg [2023-02-13 03:40:13,775 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-13 03:40:13,776 INFO L158 Benchmark]: Toolchain (without parser) took 11108.31ms. Allocated memory was 2.1GB in the beginning and 2.6GB in the end (delta: 436.2MB). Free memory was 2.1GB in the beginning and 1.7GB in the end (delta: 382.9MB). Peak memory consumption was 825.0MB. Max. memory is 42.9GB. [2023-02-13 03:40:13,776 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 2.1GB. Free memory is still 2.1GB. There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:40:13,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 145.62ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:40:13,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.26ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:40:13,776 INFO L158 Benchmark]: Boogie Preprocessor took 10.29ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:40:13,777 INFO L158 Benchmark]: RCFGBuilder took 181.77ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:40:13,777 INFO L158 Benchmark]: BlockEncodingV2 took 70.11ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:40:13,777 INFO L158 Benchmark]: TraceAbstraction took 13.90ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:40:13,777 INFO L158 Benchmark]: BuchiAutomizer took 10654.62ms. Allocated memory was 2.1GB in the beginning and 2.6GB in the end (delta: 436.2MB). Free memory was 2.1GB in the beginning and 1.7GB in the end (delta: 351.8MB). Peak memory consumption was 791.4MB. Max. memory is 42.9GB. [2023-02-13 03:40:13,779 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 12 locations, 16 edges - StatisticsResult: Encoded RCFG 7 locations, 11 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 2.1GB. Free memory is still 2.1GB. There was no memory consumed. Max. memory is 42.9GB. * CACSL2BoogieTranslator took 145.62ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * Boogie Procedure Inliner took 26.26ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 42.9GB. * Boogie Preprocessor took 10.29ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 42.9GB. * RCFGBuilder took 181.77ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * BlockEncodingV2 took 70.11ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * TraceAbstraction took 13.90ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 42.9GB. * BuchiAutomizer took 10654.62ms. Allocated memory was 2.1GB in the beginning and 2.6GB in the end (delta: 436.2MB). Free memory was 2.1GB in the beginning and 1.7GB in the end (delta: 351.8MB). Peak memory consumption was 791.4MB. Max. memory is 42.9GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Constructed decomposition of program Your program was decomposed into 8 terminating modules (0 trivial, 0 deterministic, 8 nondeterministic). One nondeterministic module has affine ranking function y and consists of 8 locations. One nondeterministic module has affine ranking function y and consists of 5 locations. One nondeterministic module has affine ranking function x and consists of 6 locations. One nondeterministic module has affine ranking function y and consists of 12 locations. One nondeterministic module has affine ranking function y and consists of 11 locations. One nondeterministic module has affine ranking function x and consists of 14 locations. One nondeterministic module has affine ranking function x and consists of 13 locations. One nondeterministic module has affine ranking function x and consists of 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.6s and 9 iterations. TraceHistogramMax:4. Analysis of lassos took 5.3s. Construction of modules took 0.7s. Büchi inclusion checks took 4.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 7. Automata minimization 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 267 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [6, 2, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 15/44 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 385 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 376 mSDsluCounter, 379 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 469 mSDsCounter, 166 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1077 IncrementalHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 166 mSolverCounterUnsat, 144 mSDtfsCounter, 1077 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT8 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital31 mio100 ax142 hnf100 lsp56 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq144 hnf94 smp100 dnf100 smp100 tf106 neg100 sie117 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 24 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 8 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-02-13 03:40:13,819 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2023-02-13 03:40:14,022 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2023-02-13 03:40:14,221 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-02-13 03:40:14,430 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-02-13 03:40:14,626 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (1)] Ended with exit code 0 Received shutdown request...