YES This is Ultimate 0.2.2-dev-e7f90c1-m [2023-02-13 03:40:00,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-13 03:40:00,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-13 03:40:00,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-13 03:40:00,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-13 03:40:00,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-13 03:40:00,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-13 03:40:00,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-13 03:40:00,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-13 03:40:00,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-13 03:40:00,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-13 03:40:00,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-13 03:40:00,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-13 03:40:00,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-13 03:40:00,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-13 03:40:00,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-13 03:40:00,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-13 03:40:00,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-13 03:40:00,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-13 03:40:00,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-13 03:40:00,844 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2023-02-13 03:40:00,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-13 03:40:00,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-13 03:40:00,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-13 03:40:00,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-13 03:40:00,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-13 03:40:00,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-13 03:40:00,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-13 03:40:00,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-13 03:40:00,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-13 03:40:00,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-13 03:40:00,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-13 03:40:00,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-13 03:40:00,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-13 03:40:00,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-13 03:40:00,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-13 03:40:00,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-13 03:40:00,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-13 03:40:00,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-13 03:40:00,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-13 03:40:00,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-13 03:40:00,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-13 03:40:00,853 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/Ultimate/./../termcomp2017.epf [2023-02-13 03:40:00,864 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-13 03:40:00,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-13 03:40:00,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-13 03:40:00,865 INFO L138 SettingsManager]: * Rewrite not-equals=true [2023-02-13 03:40:00,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-13 03:40:00,865 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:40:00,865 INFO L138 SettingsManager]: * Use SBE=true [2023-02-13 03:40:00,865 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-13 03:40:00,866 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-13 03:40:00,866 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-13 03:40:00,866 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2023-02-13 03:40:00,866 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-13 03:40:00,866 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-13 03:40:00,866 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2023-02-13 03:40:00,866 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:00,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-13 03:40:00,866 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-13 03:40:00,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-13 03:40:00,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-13 03:40:00,866 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-13 03:40:00,867 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2023-02-13 03:40:00,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-13 03:40:00,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-13 03:40:00,867 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2023-02-13 03:40:00,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:40:00,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-13 03:40:00,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-13 03:40:00,867 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-13 03:40:00,867 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-02-13 03:40:00,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-13 03:40:01,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-13 03:40:01,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-13 03:40:01,008 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-13 03:40:01,008 INFO L275 PluginConnector]: CDTParser initialized [2023-02-13 03:40:01,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:40:01,053 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/da20065f75db4637bfe3ce80393d360b/FLAGbd598cfbb [2023-02-13 03:40:01,375 INFO L306 CDTParser]: Found 1 translation units. [2023-02-13 03:40:01,375 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:40:01,382 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/da20065f75db4637bfe3ce80393d360b/FLAGbd598cfbb [2023-02-13 03:40:01,847 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/da20065f75db4637bfe3ce80393d360b [2023-02-13 03:40:01,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-13 03:40:01,852 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2023-02-13 03:40:01,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-13 03:40:01,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-13 03:40:01,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-13 03:40:01,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:40:01" (1/1) ... [2023-02-13 03:40:01,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16883905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:01, skipping insertion in model container [2023-02-13 03:40:01,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:40:01" (1/1) ... [2023-02-13 03:40:01,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-13 03:40:01,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-13 03:40:01,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:40:01,983 INFO L203 MainTranslator]: Completed pre-run [2023-02-13 03:40:01,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:40:01,998 INFO L208 MainTranslator]: Completed translation [2023-02-13 03:40:01,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:01 WrapperNode [2023-02-13 03:40:01,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-13 03:40:01,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-13 03:40:01,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-13 03:40:01,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-13 03:40:02,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:01" (1/1) ... [2023-02-13 03:40:02,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:01" (1/1) ... [2023-02-13 03:40:02,037 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2023-02-13 03:40:02,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-13 03:40:02,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-13 03:40:02,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-13 03:40:02,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-13 03:40:02,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:01" (1/1) ... [2023-02-13 03:40:02,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:01" (1/1) ... [2023-02-13 03:40:02,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:01" (1/1) ... [2023-02-13 03:40:02,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:01" (1/1) ... [2023-02-13 03:40:02,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:01" (1/1) ... [2023-02-13 03:40:02,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:01" (1/1) ... [2023-02-13 03:40:02,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:01" (1/1) ... [2023-02-13 03:40:02,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-13 03:40:02,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-13 03:40:02,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-13 03:40:02,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-13 03:40:02,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:01" (1/1) ... [2023-02-13 03:40:02,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:40:02,072 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:02,083 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 03:40:02,089 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 03:40:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-13 03:40:02,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-13 03:40:02,163 INFO L234 CfgBuilder]: Building ICFG [2023-02-13 03:40:02,164 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-13 03:40:02,235 INFO L275 CfgBuilder]: Performing block encoding [2023-02-13 03:40:02,243 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-13 03:40:02,243 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-13 03:40:02,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:02 BoogieIcfgContainer [2023-02-13 03:40:02,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-13 03:40:02,247 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2023-02-13 03:40:02,247 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2023-02-13 03:40:02,253 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2023-02-13 03:40:02,254 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:02" (1/1) ... [2023-02-13 03:40:02,267 INFO L313 BlockEncoder]: Initial Icfg 11 locations, 16 edges [2023-02-13 03:40:02,268 INFO L258 BlockEncoder]: Using Remove infeasible edges [2023-02-13 03:40:02,269 INFO L263 BlockEncoder]: Using Maximize final states [2023-02-13 03:40:02,269 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2023-02-13 03:40:02,269 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:40:02,270 INFO L296 BlockEncoder]: Using Remove sink states [2023-02-13 03:40:02,270 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2023-02-13 03:40:02,270 INFO L179 BlockEncoder]: Using Rewrite not-equals [2023-02-13 03:40:02,279 INFO L185 BlockEncoder]: Using Use SBE [2023-02-13 03:40:02,287 INFO L200 BlockEncoder]: SBE split 6 edges [2023-02-13 03:40:02,288 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2023-02-13 03:40:02,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:40:02,292 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2023-02-13 03:40:02,293 INFO L70 RemoveSinkStates]: Removed 5 edges and 2 locations by removing sink states [2023-02-13 03:40:02,294 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2023-02-13 03:40:02,294 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:40:02,294 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2023-02-13 03:40:02,294 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2023-02-13 03:40:02,295 INFO L313 BlockEncoder]: Encoded RCFG 6 locations, 16 edges [2023-02-13 03:40:02,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:40:02 BasicIcfg [2023-02-13 03:40:02,295 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2023-02-13 03:40:02,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-13 03:40:02,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-13 03:40:02,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-13 03:40:02,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.02 03:40:01" (1/4) ... [2023-02-13 03:40:02,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef216b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:40:02, skipping insertion in model container [2023-02-13 03:40:02,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:01" (2/4) ... [2023-02-13 03:40:02,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef216b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:40:02, skipping insertion in model container [2023-02-13 03:40:02,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:02" (3/4) ... [2023-02-13 03:40:02,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef216b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:40:02, skipping insertion in model container [2023-02-13 03:40:02,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:40:02" (4/4) ... [2023-02-13 03:40:02,299 INFO L111 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:40:02,308 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2023-02-13 03:40:02,308 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-13 03:40:02,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef216b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:40:02, skipping insertion in model container [2023-02-13 03:40:02,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-13 03:40:02,309 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-13 03:40:02,309 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-13 03:40:02,311 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-13 03:40:02,312 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:02,312 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.02 03:40:01" (1/4) ... [2023-02-13 03:40:02,312 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b9f2e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:40:02, skipping insertion in model container [2023-02-13 03:40:02,312 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:02,312 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:01" (2/4) ... [2023-02-13 03:40:02,312 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b9f2e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:40:02, skipping insertion in model container [2023-02-13 03:40:02,312 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:02,312 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:02" (3/4) ... [2023-02-13 03:40:02,313 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b9f2e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:40:02, skipping insertion in model container [2023-02-13 03:40:02,313 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:02,313 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:40:02" (4/4) ... [2023-02-13 03:40:02,313 INFO L322 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:40:02,340 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2023-02-13 03:40:02,340 INFO L302 stractBuchiCegarLoop]: Hoare is true [2023-02-13 03:40:02,340 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-13 03:40:02,340 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-13 03:40:02,341 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-13 03:40:02,341 INFO L306 stractBuchiCegarLoop]: Difference is false [2023-02-13 03:40:02,341 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-13 03:40:02,341 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-13 03:40:02,344 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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 03:40:02,353 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-02-13 03:40:02,353 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:02,353 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:02,357 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:40:02,357 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-13 03:40:02,357 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-13 03:40:02,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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 03:40:02,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-02-13 03:40:02,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:02,358 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:02,358 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:40:02,358 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-13 03:40:02,360 INFO L733 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [77] ULTIMATE.startENTRY-->L32-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_8|, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_12|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_3|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_12|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_15|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_3|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_3|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_4|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_4|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_15|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~tk~0#1, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_~bn~0#1, ULTIMATE.start_main_#t~nondet2#1, ULTIMATE.start_main_#t~nondet0#1, ULTIMATE.start_main_~an~0#1, ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_~k~0#1] 2#L32-2true [2023-02-13 03:40:02,361 INFO L735 eck$LassoCheckResult]: Loop: 2#L32-2true [64] L32-2-->L22: Formula: (and (<= (+ |v_ULTIMATE.start_main_~tk~0#1_5| 1) |v_ULTIMATE.start_main_~k~0#1_5|) (<= |v_ULTIMATE.start_main_~j~0#1_6| |v_ULTIMATE.start_main_~bn~0#1_6|) (<= |v_ULTIMATE.start_main_~an~0#1_6| |v_ULTIMATE.start_main_~i~0#1_6|)) InVars {ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_5|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_6|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_6|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_5|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_6|} OutVars{ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_5|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_6|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_6|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_5|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_6|} AuxVars[] AssignedVars[] 3#L22true [69] L22-->L30: Formula: (> |v_ULTIMATE.start_main_~j~0#1_10| |v_ULTIMATE.start_main_~bn~0#1_8|) InVars {ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_8|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_10|} OutVars{ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_8|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_10|} AuxVars[] AssignedVars[] 5#L30true [47] L30-->L32-2: Formula: (and (<= |v_ULTIMATE.start_main_~bn~0#1_9| |v_ULTIMATE.start_main_~j~0#1_11|) (= |v_ULTIMATE.start_main_~i~0#1_11| (+ |v_ULTIMATE.start_main_~i~0#1_12| 1)) (<= |v_ULTIMATE.start_main_~i~0#1_12| |v_ULTIMATE.start_main_~an~0#1_9|)) InVars {ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_9|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_11|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_12|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_9|} OutVars{ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_9|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_11|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_11|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1] 2#L32-2true [2023-02-13 03:40:02,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:02,364 INFO L85 PathProgramCache]: Analyzing trace with hash 108, now seen corresponding path program 1 times [2023-02-13 03:40:02,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:02,369 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250222892] [2023-02-13 03:40:02,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:02,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:02,415 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:02,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:02,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:02,427 INFO L85 PathProgramCache]: Analyzing trace with hash 93481, now seen corresponding path program 1 times [2023-02-13 03:40:02,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:02,427 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816304445] [2023-02-13 03:40:02,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:02,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:02,460 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 03:40:02,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-13 03:40:02,460 INFO L335 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816304445] [2023-02-13 03:40:02,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816304445] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-13 03:40:02,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-13 03:40:02,461 ERROR L191 FreeRefinementEngine]: {12#true} [14#(<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~bn~0#1|), 13#false] {13#false} [2023-02-13 03:40:02,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-13 03:40:02,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097815850] [2023-02-13 03:40:02,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-13 03:40:02,464 INFO L750 eck$LassoCheckResult]: loop already infeasible [2023-02-13 03:40:02,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-13 03:40:02,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-13 03:40:02,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-13 03:40:02,485 INFO L87 Difference]: Start difference. First operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 03:40:02,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-13 03:40:02,538 INFO L93 Difference]: Finished difference Result 10 states and 26 transitions. [2023-02-13 03:40:02,540 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 26 transitions. [2023-02-13 03:40:02,541 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2023-02-13 03:40:02,544 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 26 transitions. [2023-02-13 03:40:02,545 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-02-13 03:40:02,546 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-02-13 03:40:02,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 26 transitions. [2023-02-13 03:40:02,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-13 03:40:02,548 INFO L220 hiAutomatonCegarLoop]: Abstraction has 10 states and 26 transitions. [2023-02-13 03:40:02,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 26 transitions. [2023-02-13 03:40:02,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-02-13 03:40:02,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 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 03:40:02,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 26 transitions. [2023-02-13 03:40:02,567 INFO L242 hiAutomatonCegarLoop]: Abstraction has 10 states and 26 transitions. [2023-02-13 03:40:02,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-13 03:40:02,580 INFO L426 stractBuchiCegarLoop]: Abstraction has 10 states and 26 transitions. [2023-02-13 03:40:02,580 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-13 03:40:02,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 26 transitions. [2023-02-13 03:40:02,582 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2023-02-13 03:40:02,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:02,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:02,583 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:40:02,583 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-13 03:40:02,583 INFO L733 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRY [77] ULTIMATE.startENTRY-->L32-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_8|, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_12|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_3|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_12|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_15|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_3|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_3|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_4|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_4|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_15|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~tk~0#1, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_~bn~0#1, ULTIMATE.start_main_#t~nondet2#1, ULTIMATE.start_main_#t~nondet0#1, ULTIMATE.start_main_~an~0#1, ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_~k~0#1] 31#L32-2 [2023-02-13 03:40:02,584 INFO L735 eck$LassoCheckResult]: Loop: 31#L32-2 [62] L32-2-->L22: Formula: (and (<= |v_ULTIMATE.start_main_~bn~0#1_6| |v_ULTIMATE.start_main_~j~0#1_6|) (<= (+ |v_ULTIMATE.start_main_~tk~0#1_5| 1) |v_ULTIMATE.start_main_~k~0#1_5|) (<= |v_ULTIMATE.start_main_~i~0#1_6| |v_ULTIMATE.start_main_~an~0#1_6|)) InVars {ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_5|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_6|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_6|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_5|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_6|} OutVars{ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_5|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_6|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_6|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_5|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_6|} AuxVars[] AssignedVars[] 34#L22 [69] L22-->L30: Formula: (> |v_ULTIMATE.start_main_~j~0#1_10| |v_ULTIMATE.start_main_~bn~0#1_8|) InVars {ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_8|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_10|} OutVars{ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_8|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_10|} AuxVars[] AssignedVars[] 33#L30 [47] L30-->L32-2: Formula: (and (<= |v_ULTIMATE.start_main_~bn~0#1_9| |v_ULTIMATE.start_main_~j~0#1_11|) (= |v_ULTIMATE.start_main_~i~0#1_11| (+ |v_ULTIMATE.start_main_~i~0#1_12| 1)) (<= |v_ULTIMATE.start_main_~i~0#1_12| |v_ULTIMATE.start_main_~an~0#1_9|)) InVars {ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_9|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_11|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_12|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_9|} OutVars{ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_9|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_11|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_11|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1] 31#L32-2 [2023-02-13 03:40:02,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:02,585 INFO L85 PathProgramCache]: Analyzing trace with hash 108, now seen corresponding path program 2 times [2023-02-13 03:40:02,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:02,585 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136690522] [2023-02-13 03:40:02,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:02,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:02,590 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:02,594 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:02,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:02,594 INFO L85 PathProgramCache]: Analyzing trace with hash 91559, now seen corresponding path program 1 times [2023-02-13 03:40:02,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:02,595 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955788858] [2023-02-13 03:40:02,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:02,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:02,602 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:02,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:02,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:02,606 INFO L85 PathProgramCache]: Analyzing trace with hash 3279196, now seen corresponding path program 1 times [2023-02-13 03:40:02,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:02,606 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079768802] [2023-02-13 03:40:02,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:02,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:02,610 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:02,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:02,649 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:02,649 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:02,649 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:02,649 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:02,649 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:40:02,650 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:02,650 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:02,650 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:02,650 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2023-02-13 03:40:02,650 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:02,650 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:02,657 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 03:40:02,666 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 03:40:02,668 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 03:40:02,670 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 03:40:02,672 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 03:40:02,714 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:02,715 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:40:02,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:02,717 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:02,718 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 03:40:02,719 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 03:40:02,719 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:02,719 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:02,744 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 03:40:02,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:02,745 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:02,746 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 03:40:02,746 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 03:40:02,747 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:02,747 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:02,843 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:40:02,847 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 03:40:02,847 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:02,848 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:02,848 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:02,848 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:02,848 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:40:02,848 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:02,848 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:02,848 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:02,848 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2023-02-13 03:40:02,848 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:02,848 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:02,849 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 03:40:02,861 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 03:40:02,866 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 03:40:02,869 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 03:40:02,871 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 03:40:02,899 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:02,903 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:40:02,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:02,904 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:02,905 INFO L229 MonitoredProcess]: Starting monitored process 4 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 03:40:02,905 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-02-13 03:40:02,906 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 03:40:02,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:02,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:02,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:02,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:02,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:02,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:02,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:02,916 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:40:02,923 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-13 03:40:02,924 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-13 03:40:02,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:02,925 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:02,927 INFO L229 MonitoredProcess]: Starting monitored process 5 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 03:40:02,933 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-02-13 03:40:02,934 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:40:02,934 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:40:02,934 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:40:02,935 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~an~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 2*ULTIMATE.start_main_~an~0#1 + 1 Supporting invariants [] [2023-02-13 03:40:02,963 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:02,971 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:40:03,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:03,008 WARN L261 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:03,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:03,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-13 03:40:03,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:03,033 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 03:40:03,046 INFO L100 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2023-02-13 03:40:03,048 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 2 loop predicates [2023-02-13 03:40:03,049 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 10 states and 26 transitions. cyclomatic complexity: 17 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 03:40:03,095 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 10 states and 26 transitions. cyclomatic complexity: 17. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 38 states and 101 transitions. Complement of second has 7 states. [2023-02-13 03:40:03,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-02-13 03:40:03,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 03:40:03,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 59 transitions. [2023-02-13 03:40:03,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 59 transitions. Stem has 1 letters. Loop has 3 letters. [2023-02-13 03:40:03,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:03,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 59 transitions. Stem has 4 letters. Loop has 3 letters. [2023-02-13 03:40:03,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:03,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 59 transitions. Stem has 1 letters. Loop has 6 letters. [2023-02-13 03:40:03,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:03,100 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 101 transitions. [2023-02-13 03:40:03,101 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2023-02-13 03:40:03,102 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 29 states and 73 transitions. [2023-02-13 03:40:03,102 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-02-13 03:40:03,102 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-02-13 03:40:03,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 73 transitions. [2023-02-13 03:40:03,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-13 03:40:03,102 INFO L220 hiAutomatonCegarLoop]: Abstraction has 29 states and 73 transitions. [2023-02-13 03:40:03,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 73 transitions. [2023-02-13 03:40:03,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2023-02-13 03:40:03,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 2.6153846153846154) internal successors, (68), 25 states have internal predecessors, (68), 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 03:40:03,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 68 transitions. [2023-02-13 03:40:03,104 INFO L242 hiAutomatonCegarLoop]: Abstraction has 26 states and 68 transitions. [2023-02-13 03:40:03,104 INFO L426 stractBuchiCegarLoop]: Abstraction has 26 states and 68 transitions. [2023-02-13 03:40:03,104 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-13 03:40:03,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 68 transitions. [2023-02-13 03:40:03,105 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2023-02-13 03:40:03,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:03,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:03,105 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-13 03:40:03,105 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-02-13 03:40:03,105 INFO L733 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRY [77] ULTIMATE.startENTRY-->L32-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_8|, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_12|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_3|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_12|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_15|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_3|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_3|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_4|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_4|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_15|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~tk~0#1, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_~bn~0#1, ULTIMATE.start_main_#t~nondet2#1, ULTIMATE.start_main_#t~nondet0#1, ULTIMATE.start_main_~an~0#1, ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_~k~0#1] 122#L32-2 [64] L32-2-->L22: Formula: (and (<= (+ |v_ULTIMATE.start_main_~tk~0#1_5| 1) |v_ULTIMATE.start_main_~k~0#1_5|) (<= |v_ULTIMATE.start_main_~j~0#1_6| |v_ULTIMATE.start_main_~bn~0#1_6|) (<= |v_ULTIMATE.start_main_~an~0#1_6| |v_ULTIMATE.start_main_~i~0#1_6|)) InVars {ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_5|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_6|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_6|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_5|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_6|} OutVars{ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_5|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_6|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_6|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_5|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_6|} AuxVars[] AssignedVars[] 129#L22 [2023-02-13 03:40:03,105 INFO L735 eck$LassoCheckResult]: Loop: 129#L22 [70] L22-->L30: Formula: (> |v_ULTIMATE.start_main_~i~0#1_10| |v_ULTIMATE.start_main_~an~0#1_8|) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_10|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_8|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_10|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_8|} AuxVars[] AssignedVars[] 132#L30 [73] L30-->L32: Formula: (> |v_ULTIMATE.start_main_~i~0#1_13| |v_ULTIMATE.start_main_~an~0#1_10|) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_13|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_10|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_13|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_10|} AuxVars[] AssignedVars[] 133#L32 [54] L32-->L32-2: Formula: (and (= |v_ULTIMATE.start_main_~j~0#1_13| (+ |v_ULTIMATE.start_main_~j~0#1_14| |v_ULTIMATE.start_main_~k~0#1_9|)) (<= |v_ULTIMATE.start_main_~an~0#1_11| |v_ULTIMATE.start_main_~i~0#1_14|) (<= |v_ULTIMATE.start_main_~j~0#1_14| |v_ULTIMATE.start_main_~bn~0#1_11|) (= |v_ULTIMATE.start_main_#t~nondet8#1_3| |v_ULTIMATE.start_main_~k~0#1_8|) (= |v_ULTIMATE.start_main_~tk~0#1_7| |v_ULTIMATE.start_main_~k~0#1_9|)) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_14|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_3|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_11|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_14|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_9|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_11|} OutVars{ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_7|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_14|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_11|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_13|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_8|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_~tk~0#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~k~0#1] 134#L32-2 [64] L32-2-->L22: Formula: (and (<= (+ |v_ULTIMATE.start_main_~tk~0#1_5| 1) |v_ULTIMATE.start_main_~k~0#1_5|) (<= |v_ULTIMATE.start_main_~j~0#1_6| |v_ULTIMATE.start_main_~bn~0#1_6|) (<= |v_ULTIMATE.start_main_~an~0#1_6| |v_ULTIMATE.start_main_~i~0#1_6|)) InVars {ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_5|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_6|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_6|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_5|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_6|} OutVars{ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_5|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_6|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_6|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_5|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_6|} AuxVars[] AssignedVars[] 129#L22 [2023-02-13 03:40:03,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:03,106 INFO L85 PathProgramCache]: Analyzing trace with hash 3412, now seen corresponding path program 1 times [2023-02-13 03:40:03,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:03,106 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058888648] [2023-02-13 03:40:03,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:03,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:03,109 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:03,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:03,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:03,111 INFO L85 PathProgramCache]: Analyzing trace with hash 3080782, now seen corresponding path program 1 times [2023-02-13 03:40:03,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:03,111 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418186906] [2023-02-13 03:40:03,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:03,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:03,115 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:03,119 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:03,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:03,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1141756383, now seen corresponding path program 1 times [2023-02-13 03:40:03,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:03,119 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22723053] [2023-02-13 03:40:03,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:03,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:03,123 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:03,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:03,159 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:03,159 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:03,159 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:03,159 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:03,159 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:40:03,159 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:03,159 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:03,159 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:03,159 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2023-02-13 03:40:03,159 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:03,160 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:03,160 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 03:40:03,162 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 03:40:03,164 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 03:40:03,165 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 03:40:03,204 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:03,204 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:40:03,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:03,204 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:03,205 INFO L229 MonitoredProcess]: Starting monitored process 6 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 03:40:03,206 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-02-13 03:40:03,208 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:03,208 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:03,219 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:03,219 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 03:40:03,233 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-02-13 03:40:03,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:03,234 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:03,235 INFO L229 MonitoredProcess]: Starting monitored process 7 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 03:40:03,238 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-02-13 03:40:03,239 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:03,239 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:03,259 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:03,259 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=1, ULTIMATE.start_main_~an~0#1=0} Honda state: {ULTIMATE.start_main_~i~0#1=1, ULTIMATE.start_main_~an~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:03,273 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-02-13 03:40:03,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:03,274 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:03,275 INFO L229 MonitoredProcess]: Starting monitored process 8 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 03:40:03,282 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:03,282 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:03,294 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-02-13 03:40:03,295 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:03,295 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:03,309 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-02-13 03:40:03,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:03,310 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:03,310 INFO L229 MonitoredProcess]: Starting monitored process 9 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 03:40:03,312 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-02-13 03:40:03,313 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:03,313 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:03,333 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-02-13 03:40:03,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:03,333 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:03,334 INFO L229 MonitoredProcess]: Starting monitored process 10 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 03:40:03,338 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-02-13 03:40:03,338 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:03,338 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:07,032 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:40:07,035 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-02-13 03:40:07,035 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:07,036 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:07,036 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:07,036 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:07,037 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:40:07,037 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:07,037 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:07,038 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:07,038 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2023-02-13 03:40:07,038 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:07,038 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:07,041 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 03:40:07,045 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 03:40:07,049 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 03:40:07,051 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 03:40:07,133 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:07,133 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:40:07,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:07,134 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,136 INFO L229 MonitoredProcess]: Starting monitored process 11 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 03:40:07,137 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-02-13 03:40:07,139 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 03:40:07,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:07,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:07,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:07,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:07,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:07,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:07,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:07,196 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-02-13 03:40:07,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:07,197 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,198 INFO L229 MonitoredProcess]: Starting monitored process 12 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 03:40:07,200 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-02-13 03:40:07,204 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 03:40:07,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:07,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:07,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:07,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:07,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:07,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:07,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:07,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:07,262 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:07,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:07,263 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,264 INFO L229 MonitoredProcess]: Starting monitored process 13 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 03:40:07,266 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-02-13 03:40:07,266 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 03:40:07,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:07,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:07,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:07,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:07,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:07,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:07,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:07,325 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-02-13 03:40:07,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:07,326 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,328 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 03:40:07,333 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 03:40:07,334 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 03:40:07,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:07,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:07,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:07,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:07,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:07,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:07,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:07,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:07,388 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 03:40:07,388 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-13 03:40:07,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:07,389 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,390 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 03:40:07,392 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 03:40:07,392 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 03:40:07,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:07,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:07,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:07,402 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:40:07,405 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-02-13 03:40:07,406 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-02-13 03:40:07,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:07,445 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 03:40:07,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:07,446 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,448 INFO L229 MonitoredProcess]: Starting monitored process 16 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 03:40:07,449 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-02-13 03:40:07,450 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 03:40:07,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:07,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:07,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:07,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:07,456 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:40:07,457 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-13 03:40:07,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:07,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:07,501 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-02-13 03:40:07,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:07,502 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,503 INFO L229 MonitoredProcess]: Starting monitored process 17 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 03:40:07,505 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-02-13 03:40:07,505 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 03:40:07,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:07,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:07,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:07,515 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:40:07,520 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-02-13 03:40:07,521 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-02-13 03:40:07,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:07,566 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-02-13 03:40:07,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:07,567 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,568 INFO L229 MonitoredProcess]: Starting monitored process 18 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 03:40:07,569 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-02-13 03:40:07,570 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 03:40:07,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:07,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:07,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:07,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:07,580 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:40:07,583 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-13 03:40:07,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:07,587 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:40:07,595 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-13 03:40:07,595 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-13 03:40:07,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:07,596 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:07,597 INFO L229 MonitoredProcess]: Starting monitored process 19 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 03:40:07,598 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-02-13 03:40:07,598 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:40:07,599 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:40:07,599 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:40:07,599 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*ULTIMATE.start_main_~k~0#1 + 1 f1 = -2*ULTIMATE.start_main_~j~0#1 + 2*ULTIMATE.start_main_~bn~0#1 + 1 Supporting invariants [] [2023-02-13 03:40:07,623 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-02-13 03:40:07,627 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:40:07,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:07,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:07,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:07,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-13 03:40:07,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:07,806 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-02-13 03:40:07,821 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-02-13 03:40:07,834 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 03:40:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:07,951 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:07,952 INFO L100 LoopCannibalizer]: 11 predicates before loop cannibalization 11 predicates after loop cannibalization [2023-02-13 03:40:07,952 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 03:40:07,953 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 26 states and 68 transitions. cyclomatic complexity: 45 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 03:40:08,378 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 26 states and 68 transitions. cyclomatic complexity: 45. 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 148 states and 323 transitions. Complement of second has 16 states. [2023-02-13 03:40:08,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2023-02-13 03:40:08,380 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 03:40:08,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 55 transitions. [2023-02-13 03:40:08,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 55 transitions. Stem has 2 letters. Loop has 4 letters. [2023-02-13 03:40:08,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:08,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 55 transitions. Stem has 6 letters. Loop has 4 letters. [2023-02-13 03:40:08,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:08,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 55 transitions. Stem has 2 letters. Loop has 8 letters. [2023-02-13 03:40:08,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:08,386 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 323 transitions. [2023-02-13 03:40:08,395 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2023-02-13 03:40:08,400 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 128 states and 301 transitions. [2023-02-13 03:40:08,400 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2023-02-13 03:40:08,401 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2023-02-13 03:40:08,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 301 transitions. [2023-02-13 03:40:08,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-13 03:40:08,401 INFO L220 hiAutomatonCegarLoop]: Abstraction has 128 states and 301 transitions. [2023-02-13 03:40:08,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 301 transitions. [2023-02-13 03:40:08,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 82. [2023-02-13 03:40:08,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 82 states have (on average 2.4634146341463414) internal successors, (202), 81 states have internal predecessors, (202), 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 03:40:08,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 202 transitions. [2023-02-13 03:40:08,413 INFO L242 hiAutomatonCegarLoop]: Abstraction has 82 states and 202 transitions. [2023-02-13 03:40:08,413 INFO L426 stractBuchiCegarLoop]: Abstraction has 82 states and 202 transitions. [2023-02-13 03:40:08,413 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-02-13 03:40:08,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 202 transitions. [2023-02-13 03:40:08,414 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2023-02-13 03:40:08,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:08,415 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:08,415 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-13 03:40:08,415 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-13 03:40:08,415 INFO L733 eck$LassoCheckResult]: Stem: 364#ULTIMATE.startENTRY [77] ULTIMATE.startENTRY-->L32-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_8|, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_12|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_3|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_12|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_15|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_3|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_3|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_4|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_4|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_15|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~tk~0#1, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_~bn~0#1, ULTIMATE.start_main_#t~nondet2#1, ULTIMATE.start_main_#t~nondet0#1, ULTIMATE.start_main_~an~0#1, ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_~k~0#1] 365#L32-2 [62] L32-2-->L22: Formula: (and (<= |v_ULTIMATE.start_main_~bn~0#1_6| |v_ULTIMATE.start_main_~j~0#1_6|) (<= (+ |v_ULTIMATE.start_main_~tk~0#1_5| 1) |v_ULTIMATE.start_main_~k~0#1_5|) (<= |v_ULTIMATE.start_main_~i~0#1_6| |v_ULTIMATE.start_main_~an~0#1_6|)) InVars {ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_5|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_6|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_6|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_5|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_6|} OutVars{ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_5|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_6|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_6|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_5|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_6|} AuxVars[] AssignedVars[] 399#L22 [2023-02-13 03:40:08,416 INFO L735 eck$LassoCheckResult]: Loop: 399#L22 [44] L22-->L23: Formula: (and (<= |v_ULTIMATE.start_main_~i~0#1_7| |v_ULTIMATE.start_main_~an~0#1_7|) (<= |v_ULTIMATE.start_main_~j~0#1_7| |v_ULTIMATE.start_main_~bn~0#1_7|)) InVars {ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_7|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_7|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_7|} OutVars{ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_7|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_7|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_7|} AuxVars[] AssignedVars[] 416#L23 [71] L23-->L32-2: Formula: (and (< |v_ULTIMATE.start_main_#t~nondet6#1_3| 0) (= (+ |v_ULTIMATE.start_main_~j~0#1_9| |v_ULTIMATE.start_main_~k~0#1_7|) |v_ULTIMATE.start_main_~j~0#1_8|) (= |v_ULTIMATE.start_main_~tk~0#1_6| |v_ULTIMATE.start_main_~k~0#1_7|) (= |v_ULTIMATE.start_main_#t~nondet7#1_3| |v_ULTIMATE.start_main_~k~0#1_6|)) InVars {ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_9|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_7|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_3|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_3|} OutVars{ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_6|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_8|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~tk~0#1, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~k~0#1] 398#L32-2 [62] L32-2-->L22: Formula: (and (<= |v_ULTIMATE.start_main_~bn~0#1_6| |v_ULTIMATE.start_main_~j~0#1_6|) (<= (+ |v_ULTIMATE.start_main_~tk~0#1_5| 1) |v_ULTIMATE.start_main_~k~0#1_5|) (<= |v_ULTIMATE.start_main_~i~0#1_6| |v_ULTIMATE.start_main_~an~0#1_6|)) InVars {ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_5|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_6|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_6|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_5|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_6|} OutVars{ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_5|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_6|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_6|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_5|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_6|} AuxVars[] AssignedVars[] 399#L22 [2023-02-13 03:40:08,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:08,416 INFO L85 PathProgramCache]: Analyzing trace with hash 3410, now seen corresponding path program 1 times [2023-02-13 03:40:08,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:08,417 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368079578] [2023-02-13 03:40:08,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:08,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:08,421 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:08,424 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:08,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:08,424 INFO L85 PathProgramCache]: Analyzing trace with hash 74338, now seen corresponding path program 1 times [2023-02-13 03:40:08,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:08,424 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735324550] [2023-02-13 03:40:08,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:08,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:08,428 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:08,432 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:08,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:08,432 INFO L85 PathProgramCache]: Analyzing trace with hash 101631857, now seen corresponding path program 1 times [2023-02-13 03:40:08,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:08,432 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041376073] [2023-02-13 03:40:08,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:08,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:08,435 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:08,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:08,453 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:08,454 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:08,454 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:08,454 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:08,454 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:40:08,454 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:08,454 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:08,454 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:08,454 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop [2023-02-13 03:40:08,454 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:08,454 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:08,455 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 03:40:08,456 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 03:40:08,458 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 03:40:08,464 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 03:40:08,466 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 03:40:08,495 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:08,496 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:40:08,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:08,496 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:08,497 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 03:40:08,501 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 03:40:08,501 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:08,501 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:08,510 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:08,510 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 03:40:08,527 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 03:40:08,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:08,527 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:08,528 INFO L229 MonitoredProcess]: Starting monitored process 21 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 03:40:08,533 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-02-13 03:40:08,533 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:08,533 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:08,543 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:08,543 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=0, ULTIMATE.start_main_~an~0#1=0} Honda state: {ULTIMATE.start_main_~i~0#1=0, ULTIMATE.start_main_~an~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:08,567 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-02-13 03:40:08,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:08,568 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:08,569 INFO L229 MonitoredProcess]: Starting monitored process 22 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 03:40:08,570 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:08,570 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:08,570 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-02-13 03:40:08,603 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-02-13 03:40:08,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:08,604 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:08,605 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 03:40:08,607 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 03:40:08,607 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:08,607 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:09,691 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:40:09,693 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-02-13 03:40:09,693 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:09,694 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:09,694 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:09,695 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:09,695 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:40:09,695 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:09,695 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:09,695 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:09,696 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop [2023-02-13 03:40:09,696 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:09,696 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:09,698 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 03:40:09,702 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 03:40:09,706 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 03:40:09,721 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 03:40:09,724 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 03:40:09,791 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:09,792 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:40:09,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:09,793 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:09,794 INFO L229 MonitoredProcess]: Starting monitored process 24 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 03:40:09,796 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-02-13 03:40:09,797 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 03:40:09,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:09,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:09,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:09,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:09,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:09,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:09,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:09,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:09,840 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-02-13 03:40:09,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:09,841 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:09,842 INFO L229 MonitoredProcess]: Starting monitored process 25 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 03:40:09,844 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-02-13 03:40:09,844 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 03:40:09,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:09,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:09,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:09,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:09,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:09,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:09,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:09,899 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-02-13 03:40:09,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:09,901 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:09,902 INFO L229 MonitoredProcess]: Starting monitored process 26 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 03:40:09,904 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-02-13 03:40:09,904 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 03:40:09,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:09,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:09,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:09,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:09,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:09,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:09,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:09,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:09,954 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-02-13 03:40:09,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:09,955 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:09,956 INFO L229 MonitoredProcess]: Starting monitored process 27 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 03:40:09,958 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-02-13 03:40:09,958 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 03:40:09,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:09,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:09,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:09,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:09,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:09,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:09,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:09,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:10,010 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-02-13 03:40:10,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:10,011 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:10,013 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 03:40:10,015 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 03:40:10,015 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 03:40:10,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:10,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:10,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:10,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:10,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:10,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:10,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:10,062 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:10,062 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-13 03:40:10,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:10,062 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:10,063 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 03:40:10,065 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 03:40:10,065 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 03:40:10,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:10,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:10,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:10,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:10,077 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:40:10,078 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-13 03:40:10,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:10,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:10,116 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-02-13 03:40:10,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:10,116 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:10,117 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 03:40:10,119 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 03:40:10,119 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 03:40:10,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:10,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:10,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:10,130 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:40:10,133 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-02-13 03:40:10,133 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-02-13 03:40:10,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:10,174 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:10,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:10,174 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:10,176 INFO L229 MonitoredProcess]: Starting monitored process 31 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 03:40:10,178 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-02-13 03:40:10,178 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 03:40:10,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:10,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:10,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:10,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:10,184 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:40:10,186 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-13 03:40:10,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:10,195 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:40:10,202 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-13 03:40:10,202 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-13 03:40:10,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:10,203 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:10,204 INFO L229 MonitoredProcess]: Starting monitored process 32 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 03:40:10,206 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-02-13 03:40:10,207 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:40:10,207 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:40:10,207 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:40:10,208 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*ULTIMATE.start_main_~k~0#1 + 1 f1 = -2*ULTIMATE.start_main_~j~0#1 + 2*ULTIMATE.start_main_~bn~0#1 + 1 Supporting invariants [] [2023-02-13 03:40:10,241 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:10,244 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:40:10,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:10,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:10,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:10,287 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-13 03:40:10,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:10,383 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-02-13 03:40:10,428 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 03:40:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:10,738 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:10,738 INFO L100 LoopCannibalizer]: 15 predicates before loop cannibalization 15 predicates after loop cannibalization [2023-02-13 03:40:10,739 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 15 loop predicates [2023-02-13 03:40:10,739 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 82 states and 202 transitions. cyclomatic complexity: 128 Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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 03:40:11,853 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 82 states and 202 transitions. cyclomatic complexity: 128. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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 1144 states and 2531 transitions. Complement of second has 50 states. [2023-02-13 03:40:11,854 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 03:40:11,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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 03:40:11,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 91 transitions. [2023-02-13 03:40:11,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 91 transitions. Stem has 2 letters. Loop has 3 letters. [2023-02-13 03:40:11,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:11,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 91 transitions. Stem has 5 letters. Loop has 3 letters. [2023-02-13 03:40:11,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:11,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 91 transitions. Stem has 2 letters. Loop has 6 letters. [2023-02-13 03:40:11,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:11,859 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1144 states and 2531 transitions. [2023-02-13 03:40:11,874 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-13 03:40:11,874 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1144 states to 9 states and 14 transitions. [2023-02-13 03:40:11,874 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2023-02-13 03:40:11,874 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2023-02-13 03:40:11,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 14 transitions. [2023-02-13 03:40:11,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-13 03:40:11,874 INFO L220 hiAutomatonCegarLoop]: Abstraction has 9 states and 14 transitions. [2023-02-13 03:40:11,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 14 transitions. [2023-02-13 03:40:11,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-02-13 03:40:11,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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 03:40:11,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. [2023-02-13 03:40:11,876 INFO L242 hiAutomatonCegarLoop]: Abstraction has 9 states and 14 transitions. [2023-02-13 03:40:11,876 INFO L426 stractBuchiCegarLoop]: Abstraction has 9 states and 14 transitions. [2023-02-13 03:40:11,876 INFO L333 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-02-13 03:40:11,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 14 transitions. [2023-02-13 03:40:11,876 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-13 03:40:11,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:11,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:11,876 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-13 03:40:11,876 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-13 03:40:11,877 INFO L733 eck$LassoCheckResult]: Stem: 1699#ULTIMATE.startENTRY [77] ULTIMATE.startENTRY-->L32-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_8|, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_3|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_12|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_3|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_12|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_15|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_3|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_3|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_4|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_4|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_15|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~tk~0#1, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_~bn~0#1, ULTIMATE.start_main_#t~nondet2#1, ULTIMATE.start_main_#t~nondet0#1, ULTIMATE.start_main_~an~0#1, ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_~k~0#1] 1700#L32-2 [63] L32-2-->L22: Formula: (and (<= (+ |v_ULTIMATE.start_main_~tk~0#1_5| 1) |v_ULTIMATE.start_main_~k~0#1_5|) (<= |v_ULTIMATE.start_main_~i~0#1_6| |v_ULTIMATE.start_main_~an~0#1_6|) (<= |v_ULTIMATE.start_main_~j~0#1_6| |v_ULTIMATE.start_main_~bn~0#1_6|)) InVars {ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_5|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_6|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_6|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_5|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_6|} OutVars{ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_5|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_6|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_6|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_5|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_6|} AuxVars[] AssignedVars[] 1694#L22 [2023-02-13 03:40:11,877 INFO L735 eck$LassoCheckResult]: Loop: 1694#L22 [44] L22-->L23: Formula: (and (<= |v_ULTIMATE.start_main_~i~0#1_7| |v_ULTIMATE.start_main_~an~0#1_7|) (<= |v_ULTIMATE.start_main_~j~0#1_7| |v_ULTIMATE.start_main_~bn~0#1_7|)) InVars {ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_7|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_7|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_7|} OutVars{ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_7|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_7|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_7|} AuxVars[] AssignedVars[] 1697#L23 [71] L23-->L32-2: Formula: (and (< |v_ULTIMATE.start_main_#t~nondet6#1_3| 0) (= (+ |v_ULTIMATE.start_main_~j~0#1_9| |v_ULTIMATE.start_main_~k~0#1_7|) |v_ULTIMATE.start_main_~j~0#1_8|) (= |v_ULTIMATE.start_main_~tk~0#1_6| |v_ULTIMATE.start_main_~k~0#1_7|) (= |v_ULTIMATE.start_main_#t~nondet7#1_3| |v_ULTIMATE.start_main_~k~0#1_6|)) InVars {ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_9|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_7|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_3|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_3|} OutVars{ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_6|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_8|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~tk~0#1, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~k~0#1] 1693#L32-2 [63] L32-2-->L22: Formula: (and (<= (+ |v_ULTIMATE.start_main_~tk~0#1_5| 1) |v_ULTIMATE.start_main_~k~0#1_5|) (<= |v_ULTIMATE.start_main_~i~0#1_6| |v_ULTIMATE.start_main_~an~0#1_6|) (<= |v_ULTIMATE.start_main_~j~0#1_6| |v_ULTIMATE.start_main_~bn~0#1_6|)) InVars {ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_5|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_6|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_6|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_5|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_6|} OutVars{ULTIMATE.start_main_~tk~0#1=|v_ULTIMATE.start_main_~tk~0#1_5|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_6|, ULTIMATE.start_main_~bn~0#1=|v_ULTIMATE.start_main_~bn~0#1_6|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_6|, ULTIMATE.start_main_~k~0#1=|v_ULTIMATE.start_main_~k~0#1_5|, ULTIMATE.start_main_~an~0#1=|v_ULTIMATE.start_main_~an~0#1_6|} AuxVars[] AssignedVars[] 1694#L22 [2023-02-13 03:40:11,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:11,877 INFO L85 PathProgramCache]: Analyzing trace with hash 3411, now seen corresponding path program 1 times [2023-02-13 03:40:11,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:11,877 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757509709] [2023-02-13 03:40:11,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:11,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:11,880 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:11,882 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:11,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:11,882 INFO L85 PathProgramCache]: Analyzing trace with hash 74339, now seen corresponding path program 1 times [2023-02-13 03:40:11,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:11,883 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267658554] [2023-02-13 03:40:11,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:11,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:11,885 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:11,887 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:11,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:11,888 INFO L85 PathProgramCache]: Analyzing trace with hash 101661649, now seen corresponding path program 1 times [2023-02-13 03:40:11,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:11,888 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395021136] [2023-02-13 03:40:11,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:11,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:11,891 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:11,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:11,912 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:11,912 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:11,912 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:11,912 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:11,912 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:40:11,913 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:11,913 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:11,913 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:11,913 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Loop [2023-02-13 03:40:11,913 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:11,913 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:11,913 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 03:40:11,915 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 03:40:11,920 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 03:40:11,922 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 03:40:11,923 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 03:40:11,948 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:11,948 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:40:11,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:11,948 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:11,949 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 03:40:11,950 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 03:40:11,951 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:11,951 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:11,962 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:11,962 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=0, ULTIMATE.start_main_~an~0#1=0} Honda state: {ULTIMATE.start_main_~i~0#1=0, ULTIMATE.start_main_~an~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:11,981 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-02-13 03:40:11,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:11,982 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:11,983 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 03:40:11,984 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 03:40:11,985 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:11,985 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:12,018 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 03:40:12,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:12,019 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:12,019 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 03:40:12,021 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 03:40:12,021 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:12,022 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:15,389 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:40:15,391 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 03:40:15,392 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:15,392 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:15,392 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:15,392 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:15,393 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:40:15,393 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:15,393 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:15,393 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:15,394 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Loop [2023-02-13 03:40:15,394 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:15,394 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:15,396 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 03:40:15,399 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 03:40:15,413 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 03:40:15,416 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 03:40:15,419 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 03:40:15,479 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:15,479 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:40:15,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:15,480 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:15,481 INFO L229 MonitoredProcess]: Starting monitored process 36 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 03:40:15,484 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-02-13 03:40:15,485 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 03:40:15,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:15,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:15,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:15,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:15,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:15,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:15,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:15,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:15,549 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-02-13 03:40:15,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:15,550 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:15,551 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 03:40:15,553 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 03:40:15,553 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 03:40:15,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:15,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:15,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:15,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:15,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:15,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:15,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:15,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:15,606 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-02-13 03:40:15,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:15,607 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:15,608 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 03:40:15,610 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 03:40:15,611 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 03:40:15,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:15,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:15,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:15,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:15,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:15,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:15,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:15,663 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 03:40:15,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:15,664 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:15,664 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 03:40:15,665 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 03:40:15,666 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 03:40:15,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:15,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:15,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:15,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:15,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:15,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:15,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:15,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:15,688 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 03:40:15,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:15,688 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:15,689 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 03:40:15,692 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 03:40:15,692 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 03:40:15,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:15,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:15,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:15,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:15,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:15,700 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:15,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:15,742 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:15,742 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-13 03:40:15,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:15,743 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:15,744 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 03:40:15,745 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 03:40:15,746 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 03:40:15,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:15,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:15,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:15,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:15,756 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:40:15,757 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-13 03:40:15,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:15,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:15,785 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 03:40:15,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:15,785 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:15,786 INFO L229 MonitoredProcess]: Starting monitored process 42 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 03:40:15,788 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-02-13 03:40:15,788 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 03:40:15,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:15,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:15,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:15,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:15,799 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:40:15,800 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-13 03:40:15,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:15,808 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:40:15,813 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-13 03:40:15,813 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-13 03:40:15,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:15,814 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:15,815 INFO L229 MonitoredProcess]: Starting monitored process 43 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 03:40:15,817 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-02-13 03:40:15,817 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:40:15,817 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:40:15,817 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:40:15,817 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*ULTIMATE.start_main_~k~0#1 + 1 f1 = -2*ULTIMATE.start_main_~j~0#1 + 2*ULTIMATE.start_main_~bn~0#1 + 1 Supporting invariants [] [2023-02-13 03:40:15,854 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-02-13 03:40:15,855 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:40:15,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:15,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:15,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:15,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-13 03:40:15,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:16,007 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 03:40:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:16,220 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:40:16,220 INFO L100 LoopCannibalizer]: 11 predicates before loop cannibalization 11 predicates after loop cannibalization [2023-02-13 03:40:16,220 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 03:40:16,221 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 9 states and 14 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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 03:40:16,347 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 9 states and 14 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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 19 states and 29 transitions. Complement of second has 8 states. [2023-02-13 03:40:16,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-02-13 03:40:16,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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 03:40:16,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2023-02-13 03:40:16,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 2 letters. Loop has 3 letters. [2023-02-13 03:40:16,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:16,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 5 letters. Loop has 3 letters. [2023-02-13 03:40:16,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:16,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 2 letters. Loop has 6 letters. [2023-02-13 03:40:16,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:16,354 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 29 transitions. [2023-02-13 03:40:16,355 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-13 03:40:16,355 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2023-02-13 03:40:16,356 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-13 03:40:16,356 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-13 03:40:16,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-13 03:40:16,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-13 03:40:16,357 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:40:16,357 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:40:16,357 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:40:16,357 INFO L333 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-02-13 03:40:16,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-13 03:40:16,358 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-13 03:40:16,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-13 03:40:16,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:40:16 BasicIcfg [2023-02-13 03:40:16,370 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-13 03:40:16,371 INFO L158 Benchmark]: Toolchain (without parser) took 14518.92ms. 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 2.2GB in the end (delta: -107.1MB). Peak memory consumption was 329.4MB. Max. memory is 42.9GB. [2023-02-13 03:40:16,371 INFO L158 Benchmark]: CDTParser took 0.11ms. 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 03:40:16,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 144.31ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:40:16,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.77ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:40:16,372 INFO L158 Benchmark]: Boogie Preprocessor took 11.22ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:40:16,373 INFO L158 Benchmark]: RCFGBuilder took 196.29ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:40:16,373 INFO L158 Benchmark]: BlockEncodingV2 took 48.28ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:40:16,373 INFO L158 Benchmark]: TraceAbstraction took 13.05ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:40:16,373 INFO L158 Benchmark]: BuchiAutomizer took 14061.00ms. 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 2.2GB in the end (delta: -140.9MB). Peak memory consumption was 295.8MB. Max. memory is 42.9GB. [2023-02-13 03:40:16,375 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 11 locations, 16 edges - StatisticsResult: Encoded RCFG 6 locations, 16 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 2.1GB. Free memory is still 2.1GB. There was no memory consumed. Max. memory is 42.9GB. * CACSL2BoogieTranslator took 144.31ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * Boogie Procedure Inliner took 38.77ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * Boogie Preprocessor took 11.22ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 42.9GB. * RCFGBuilder took 196.29ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * BlockEncodingV2 took 48.28ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * TraceAbstraction took 13.05ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 42.9GB. * BuchiAutomizer took 14061.00ms. 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 2.2GB in the end (delta: -140.9MB). Peak memory consumption was 295.8MB. 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 5 terminating modules (1 trivial, 0 deterministic, 4 nondeterministic). One nondeterministic module has affine ranking function -2 * i + 2 * an + 1 and consists of 5 locations. One nondeterministic module has 2-nested ranking function (if -2 * k + 1 > 0 then 1 else 0), (if -2 * k + 1 > 0 then -2 * k + 1 else -2 * j + 2 * bn + 1) and consists of 6 locations. One nondeterministic module has 2-nested ranking function (if -2 * k + 1 > 0 then 1 else 0), (if -2 * k + 1 > 0 then -2 * k + 1 else -2 * j + 2 * bn + 1) and consists of 11 locations. One nondeterministic module has 2-nested ranking function (if -2 * k + 1 > 0 then 1 else 0), (if -2 * k + 1 > 0 then -2 * k + 1 else -2 * j + 2 * bn + 1) and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.0s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 10.8s. Construction of modules took 0.6s. Büchi inclusion checks took 2.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 49 StatesRemovedByMinimization, 2 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 [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 304 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 300 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 113 mSDsCounter, 105 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 627 IncrementalHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 105 mSolverCounterUnsat, 22 mSDtfsCounter, 627 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax147 hnf100 lsp52 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq158 hnf92 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 8.4s 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 03:40:16,417 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:16,622 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...