YES This is Ultimate 0.2.2-dev-e7f90c1-m [2023-02-13 03:40:45,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-13 03:40:45,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-13 03:40:45,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-13 03:40:45,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-13 03:40:45,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-13 03:40:45,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-13 03:40:45,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-13 03:40:45,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-13 03:40:45,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-13 03:40:45,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-13 03:40:45,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-13 03:40:45,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-13 03:40:45,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-13 03:40:45,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-13 03:40:45,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-13 03:40:45,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-13 03:40:45,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-13 03:40:45,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-13 03:40:45,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-13 03:40:45,758 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2023-02-13 03:40:45,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-13 03:40:45,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-13 03:40:45,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-13 03:40:45,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-13 03:40:45,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-13 03:40:45,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-13 03:40:45,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-13 03:40:45,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-13 03:40:45,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-13 03:40:45,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-13 03:40:45,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-13 03:40:45,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-13 03:40:45,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-13 03:40:45,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-13 03:40:45,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-13 03:40:45,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-13 03:40:45,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-13 03:40:45,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-13 03:40:45,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-13 03:40:45,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-13 03:40:45,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-13 03:40:45,767 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/Ultimate/./../termcomp2017.epf [2023-02-13 03:40:45,778 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-13 03:40:45,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-13 03:40:45,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-13 03:40:45,779 INFO L138 SettingsManager]: * Rewrite not-equals=true [2023-02-13 03:40:45,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-13 03:40:45,779 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:40:45,779 INFO L138 SettingsManager]: * Use SBE=true [2023-02-13 03:40:45,779 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-13 03:40:45,779 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-13 03:40:45,779 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-13 03:40:45,779 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2023-02-13 03:40:45,779 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-13 03:40:45,779 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-13 03:40:45,780 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2023-02-13 03:40:45,780 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:45,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-13 03:40:45,780 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-13 03:40:45,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-13 03:40:45,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-13 03:40:45,780 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-13 03:40:45,780 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2023-02-13 03:40:45,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-13 03:40:45,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-13 03:40:45,780 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2023-02-13 03:40:45,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:40:45,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-13 03:40:45,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-13 03:40:45,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-13 03:40:45,781 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-02-13 03:40:45,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-13 03:40:45,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-13 03:40:45,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-13 03:40:45,925 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-13 03:40:45,925 INFO L275 PluginConnector]: CDTParser initialized [2023-02-13 03:40:45,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:40:45,973 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/9e0b83456e114e3190a8a07fae5db03b/FLAGfa4ab5d90 [2023-02-13 03:40:46,341 INFO L306 CDTParser]: Found 1 translation units. [2023-02-13 03:40:46,342 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:40:46,347 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/9e0b83456e114e3190a8a07fae5db03b/FLAGfa4ab5d90 [2023-02-13 03:40:46,359 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/9e0b83456e114e3190a8a07fae5db03b [2023-02-13 03:40:46,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-13 03:40:46,363 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2023-02-13 03:40:46,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-13 03:40:46,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-13 03:40:46,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-13 03:40:46,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521a2f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46, skipping insertion in model container [2023-02-13 03:40:46,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-13 03:40:46,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-13 03:40:46,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:40:46,454 INFO L203 MainTranslator]: Completed pre-run [2023-02-13 03:40:46,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:40:46,467 INFO L208 MainTranslator]: Completed translation [2023-02-13 03:40:46,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46 WrapperNode [2023-02-13 03:40:46,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-13 03:40:46,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-13 03:40:46,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-13 03:40:46,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-13 03:40:46,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,501 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2023-02-13 03:40:46,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-13 03:40:46,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-13 03:40:46,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-13 03:40:46,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-13 03:40:46,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-13 03:40:46,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-13 03:40:46,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-13 03:40:46,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-13 03:40:46,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:40:46,533 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:46,544 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 03:40:46,546 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 03:40:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-13 03:40:46,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-13 03:40:46,655 INFO L234 CfgBuilder]: Building ICFG [2023-02-13 03:40:46,656 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-13 03:40:46,717 INFO L275 CfgBuilder]: Performing block encoding [2023-02-13 03:40:46,722 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-13 03:40:46,722 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-13 03:40:46,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:46 BoogieIcfgContainer [2023-02-13 03:40:46,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-13 03:40:46,723 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2023-02-13 03:40:46,724 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2023-02-13 03:40:46,725 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2023-02-13 03:40:46,725 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,733 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 12 edges [2023-02-13 03:40:46,734 INFO L258 BlockEncoder]: Using Remove infeasible edges [2023-02-13 03:40:46,734 INFO L263 BlockEncoder]: Using Maximize final states [2023-02-13 03:40:46,734 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2023-02-13 03:40:46,735 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:40:46,735 INFO L296 BlockEncoder]: Using Remove sink states [2023-02-13 03:40:46,736 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2023-02-13 03:40:46,736 INFO L179 BlockEncoder]: Using Rewrite not-equals [2023-02-13 03:40:46,743 INFO L185 BlockEncoder]: Using Use SBE [2023-02-13 03:40:46,748 INFO L200 BlockEncoder]: SBE split 1 edges [2023-02-13 03:40:46,750 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2023-02-13 03:40:46,751 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:40:46,759 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2023-02-13 03:40:46,760 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2023-02-13 03:40:46,761 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2023-02-13 03:40:46,761 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:40:46,762 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2023-02-13 03:40:46,762 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2023-02-13 03:40:46,762 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2023-02-13 03:40:46,762 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:40:46,762 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2023-02-13 03:40:46,763 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2023-02-13 03:40:46,763 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges [2023-02-13 03:40:46,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:40:46 BasicIcfg [2023-02-13 03:40:46,763 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2023-02-13 03:40:46,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-13 03:40:46,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-13 03:40:46,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-13 03:40:46,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.02 03:40:46" (1/4) ... [2023-02-13 03:40:46,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e0f3a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:40:46, skipping insertion in model container [2023-02-13 03:40:46,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (2/4) ... [2023-02-13 03:40:46,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e0f3a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:40:46, skipping insertion in model container [2023-02-13 03:40:46,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:46" (3/4) ... [2023-02-13 03:40:46,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e0f3a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:40:46, skipping insertion in model container [2023-02-13 03:40:46,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:40:46" (4/4) ... [2023-02-13 03:40:46,768 INFO L111 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:40:46,778 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2023-02-13 03:40:46,778 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-13 03:40:46,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e0f3a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:40:46, skipping insertion in model container [2023-02-13 03:40:46,779 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-13 03:40:46,779 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-13 03:40:46,779 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-13 03:40:46,781 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-13 03:40:46,782 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:46,782 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.02 03:40:46" (1/4) ... [2023-02-13 03:40:46,782 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@635de7c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:40:46, skipping insertion in model container [2023-02-13 03:40:46,782 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:46,782 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (2/4) ... [2023-02-13 03:40:46,782 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@635de7c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:40:46, skipping insertion in model container [2023-02-13 03:40:46,782 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:46,782 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:46" (3/4) ... [2023-02-13 03:40:46,783 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@635de7c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:40:46, skipping insertion in model container [2023-02-13 03:40:46,783 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:46,783 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:40:46" (4/4) ... [2023-02-13 03:40:46,783 INFO L322 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:40:46,812 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2023-02-13 03:40:46,812 INFO L302 stractBuchiCegarLoop]: Hoare is true [2023-02-13 03:40:46,812 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-13 03:40:46,812 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-13 03:40:46,812 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-13 03:40:46,812 INFO L306 stractBuchiCegarLoop]: Difference is false [2023-02-13 03:40:46,812 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-13 03:40:46,813 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-13 03:40:46,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 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 03:40:46,828 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-13 03:40:46,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:46,829 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:46,832 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:40:46,832 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-13 03:40:46,832 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-13 03:40:46,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 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 03:40:46,833 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-13 03:40:46,833 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:46,833 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:46,833 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:40:46,833 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-13 03:40:46,836 INFO L733 eck$LassoCheckResult]: Stem: 2#ULTIMATE.startENTRYtrue [51] ULTIMATE.startENTRY-->L20-2: Formula: (let ((.cse0 (* 2 |v_ULTIMATE.start_main_~r~0#1_10|))) (and (= |v_ULTIMATE.start_main_~da~0#1_12| .cse0) (<= 0 |v_ULTIMATE.start_main_~r~0#1_10|) (= .cse0 |v_ULTIMATE.start_main_~db~0#1_8|))) InVars {} OutVars{ULTIMATE.start_main_~r~0#1=|v_ULTIMATE.start_main_~r~0#1_10|, ULTIMATE.start_main_~db~0#1=|v_ULTIMATE.start_main_~db~0#1_8|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_10|, ULTIMATE.start_main_~da~0#1=|v_ULTIMATE.start_main_~da~0#1_12|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_8|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_5|, ULTIMATE.start_main_~temp~0#1=|v_ULTIMATE.start_main_~temp~0#1_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~r~0#1, ULTIMATE.start_main_~db~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_~da~0#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_#t~nondet0#1, ULTIMATE.start_main_~temp~0#1] 3#L20-2true [2023-02-13 03:40:46,837 INFO L735 eck$LassoCheckResult]: Loop: 3#L20-2true [37] L20-2-->L20: Formula: (<= |v_ULTIMATE.start_main_~r~0#1_7| |v_ULTIMATE.start_main_~da~0#1_9|) InVars {ULTIMATE.start_main_~da~0#1=|v_ULTIMATE.start_main_~da~0#1_9|, ULTIMATE.start_main_~r~0#1=|v_ULTIMATE.start_main_~r~0#1_7|} OutVars{ULTIMATE.start_main_~da~0#1=|v_ULTIMATE.start_main_~da~0#1_9|, ULTIMATE.start_main_~r~0#1=|v_ULTIMATE.start_main_~r~0#1_7|} AuxVars[] AssignedVars[] 4#L20true [41] L20-->L20-2: Formula: (and (= |v_ULTIMATE.start_main_#t~nondet1#1_5| 0) (= (+ (- 1) |v_ULTIMATE.start_main_~db~0#1_4|) |v_ULTIMATE.start_main_~da~0#1_5|) (= |v_ULTIMATE.start_main_~temp~0#1_3| |v_ULTIMATE.start_main_~da~0#1_6|) (= |v_ULTIMATE.start_main_~da~0#1_5| |v_ULTIMATE.start_main_~db~0#1_3|)) InVars {ULTIMATE.start_main_~da~0#1=|v_ULTIMATE.start_main_~da~0#1_6|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_5|, ULTIMATE.start_main_~db~0#1=|v_ULTIMATE.start_main_~db~0#1_4|} OutVars{ULTIMATE.start_main_~da~0#1=|v_ULTIMATE.start_main_~da~0#1_5|, ULTIMATE.start_main_~temp~0#1=|v_ULTIMATE.start_main_~temp~0#1_3|, ULTIMATE.start_main_~db~0#1=|v_ULTIMATE.start_main_~db~0#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~db~0#1, ULTIMATE.start_main_~da~0#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_~temp~0#1] 3#L20-2true [2023-02-13 03:40:46,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:46,840 INFO L85 PathProgramCache]: Analyzing trace with hash 82, now seen corresponding path program 1 times [2023-02-13 03:40:46,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:46,846 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905562435] [2023-02-13 03:40:46,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:46,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:46,897 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:46,909 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:46,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:46,911 INFO L85 PathProgramCache]: Analyzing trace with hash 2149, now seen corresponding path program 1 times [2023-02-13 03:40:46,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:46,911 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686891661] [2023-02-13 03:40:46,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:46,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:46,915 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:46,919 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:46,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:46,920 INFO L85 PathProgramCache]: Analyzing trace with hash 79990, now seen corresponding path program 1 times [2023-02-13 03:40:46,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:46,920 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032915377] [2023-02-13 03:40:46,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:46,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:46,925 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:46,929 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:46,974 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:46,974 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:46,974 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:46,974 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:46,974 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:40:46,974 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:46,975 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:46,975 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:46,975 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2023-02-13 03:40:46,975 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:46,975 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:46,983 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 03:40:46,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:46,993 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:46,995 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 03:40:47,036 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:47,036 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:40:47,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:47,038 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:47,038 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 03:40:47,040 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 03:40:47,042 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:47,042 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:47,051 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:47,051 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:47,068 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 03:40:47,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:47,069 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:47,069 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 03:40:47,071 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 03:40:47,071 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:47,071 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:47,080 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:47,080 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:47,094 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 03:40:47,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:47,095 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:47,095 INFO L229 MonitoredProcess]: Starting monitored process 4 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:47,097 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-02-13 03:40:47,097 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:47,097 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:47,105 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:47,105 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:47,119 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-02-13 03:40:47,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:47,119 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:47,120 INFO L229 MonitoredProcess]: Starting monitored process 5 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:47,124 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-02-13 03:40:47,125 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:47,125 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:47,150 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-02-13 03:40:47,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:47,151 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:47,151 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 03:40:47,153 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 03:40:47,154 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:47,154 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:49,665 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:40:49,668 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 03:40:49,669 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:49,669 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:49,669 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:49,670 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:49,670 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:40:49,670 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:49,670 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:49,671 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:49,671 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2023-02-13 03:40:49,671 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:49,671 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:49,675 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 03:40:49,680 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 03:40:49,684 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 03:40:49,689 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 03:40:49,760 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:49,763 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:40:49,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:49,764 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:49,764 INFO L229 MonitoredProcess]: Starting monitored process 7 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:49,766 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-02-13 03:40:49,766 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 03:40:49,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:49,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:49,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:49,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:49,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:49,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:49,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:49,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:49,799 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-02-13 03:40:49,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:49,800 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:49,801 INFO L229 MonitoredProcess]: Starting monitored process 8 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:49,803 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-02-13 03:40:49,803 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 03:40:49,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:49,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:49,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:49,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:49,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:49,815 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:49,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:49,847 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-02-13 03:40:49,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:49,847 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:49,848 INFO L229 MonitoredProcess]: Starting monitored process 9 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:49,850 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-02-13 03:40:49,851 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 03:40:49,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:49,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:49,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:49,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:49,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:49,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:49,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:49,914 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-02-13 03:40:49,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:49,915 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:49,916 INFO L229 MonitoredProcess]: Starting monitored process 10 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:49,918 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-02-13 03:40:49,919 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 03:40:49,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:49,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:49,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:49,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:49,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:49,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:49,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:49,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:49,979 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-02-13 03:40:49,979 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-13 03:40:49,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:49,980 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:49,981 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 03:40:49,983 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 03:40:49,984 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 03:40:49,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:49,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:49,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:49,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:49,994 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:40:49,995 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-13 03:40:49,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:49,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:50,013 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 03:40:50,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:50,014 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:50,016 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 03:40:50,018 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 03:40:50,019 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 03:40:50,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:50,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:50,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:50,029 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:40:50,037 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-02-13 03:40:50,037 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-02-13 03:40:50,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:50,078 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-02-13 03:40:50,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:50,080 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:50,081 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 03:40:50,083 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 03:40:50,084 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 03:40:50,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:50,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:50,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:50,093 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:40:50,096 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-02-13 03:40:50,096 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-02-13 03:40:50,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:50,140 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:50,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:50,142 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:50,143 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 03:40:50,145 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 03:40:50,147 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 03:40:50,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:50,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:50,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:50,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:50,158 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:40:50,160 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-13 03:40:50,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:50,168 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:40:50,184 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-02-13 03:40:50,184 INFO L444 ModelExtractionUtils]: 4 out of 11 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-13 03:40:50,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:50,188 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:50,189 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 03:40:50,190 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 03:40:50,191 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:40:50,191 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:40:50,191 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:40:50,191 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*ULTIMATE.start_main_~r~0#1 + 2*ULTIMATE.start_main_~db~0#1 f1 = -2*ULTIMATE.start_main_~r~0#1 + 2*ULTIMATE.start_main_~da~0#1 + 1 Supporting invariants [] [2023-02-13 03:40:50,220 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 03:40:50,232 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:40:50,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:50,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:50,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:50,289 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-13 03:40:50,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:50,384 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 03:40:50,541 INFO L100 LoopCannibalizer]: 7 predicates before loop cannibalization 7 predicates after loop cannibalization [2023-02-13 03:40:50,550 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 7 loop predicates [2023-02-13 03:40:50,553 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 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) 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 03:40:50,679 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 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). 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) Result 8 states and 14 transitions. Complement of second has 4 states. [2023-02-13 03:40:50,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-13 03:40:50,691 INFO L82 GeneralOperation]: Start removeUnreachable. 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 03:40:50,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2023-02-13 03:40:50,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2023-02-13 03:40:50,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:50,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-13 03:40:50,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:50,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2023-02-13 03:40:50,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:50,702 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 14 transitions. [2023-02-13 03:40:50,702 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-13 03:40:50,705 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 14 transitions. [2023-02-13 03:40:50,706 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2023-02-13 03:40:50,706 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2023-02-13 03:40:50,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 14 transitions. [2023-02-13 03:40:50,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-13 03:40:50,707 INFO L220 hiAutomatonCegarLoop]: Abstraction has 8 states and 14 transitions. [2023-02-13 03:40:50,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 14 transitions. [2023-02-13 03:40:50,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2023-02-13 03:40:50,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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 03:40:50,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. [2023-02-13 03:40:50,724 INFO L242 hiAutomatonCegarLoop]: Abstraction has 7 states and 12 transitions. [2023-02-13 03:40:50,724 INFO L426 stractBuchiCegarLoop]: Abstraction has 7 states and 12 transitions. [2023-02-13 03:40:50,724 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-13 03:40:50,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 12 transitions. [2023-02-13 03:40:50,724 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-13 03:40:50,724 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:50,724 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:50,725 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-13 03:40:50,725 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-13 03:40:50,725 INFO L733 eck$LassoCheckResult]: Stem: 53#ULTIMATE.startENTRY [51] ULTIMATE.startENTRY-->L20-2: Formula: (let ((.cse0 (* 2 |v_ULTIMATE.start_main_~r~0#1_10|))) (and (= |v_ULTIMATE.start_main_~da~0#1_12| .cse0) (<= 0 |v_ULTIMATE.start_main_~r~0#1_10|) (= .cse0 |v_ULTIMATE.start_main_~db~0#1_8|))) InVars {} OutVars{ULTIMATE.start_main_~r~0#1=|v_ULTIMATE.start_main_~r~0#1_10|, ULTIMATE.start_main_~db~0#1=|v_ULTIMATE.start_main_~db~0#1_8|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_10|, ULTIMATE.start_main_~da~0#1=|v_ULTIMATE.start_main_~da~0#1_12|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_8|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_5|, ULTIMATE.start_main_~temp~0#1=|v_ULTIMATE.start_main_~temp~0#1_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~r~0#1, ULTIMATE.start_main_~db~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_~da~0#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_#t~nondet0#1, ULTIMATE.start_main_~temp~0#1] 54#L20-2 [37] L20-2-->L20: Formula: (<= |v_ULTIMATE.start_main_~r~0#1_7| |v_ULTIMATE.start_main_~da~0#1_9|) InVars {ULTIMATE.start_main_~da~0#1=|v_ULTIMATE.start_main_~da~0#1_9|, ULTIMATE.start_main_~r~0#1=|v_ULTIMATE.start_main_~r~0#1_7|} OutVars{ULTIMATE.start_main_~da~0#1=|v_ULTIMATE.start_main_~da~0#1_9|, ULTIMATE.start_main_~r~0#1=|v_ULTIMATE.start_main_~r~0#1_7|} AuxVars[] AssignedVars[] 56#L20 [2023-02-13 03:40:50,725 INFO L735 eck$LassoCheckResult]: Loop: 56#L20 [46] L20-->L20-2: Formula: (and (> |v_ULTIMATE.start_main_#t~nondet1#1_2| 0) (= (+ (- 1) |v_ULTIMATE.start_main_~da~0#1_2|) |v_ULTIMATE.start_main_~da~0#1_1|)) InVars {ULTIMATE.start_main_~da~0#1=|v_ULTIMATE.start_main_~da~0#1_2|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_2|} OutVars{ULTIMATE.start_main_~da~0#1=|v_ULTIMATE.start_main_~da~0#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~da~0#1, ULTIMATE.start_main_#t~nondet1#1] 55#L20-2 [37] L20-2-->L20: Formula: (<= |v_ULTIMATE.start_main_~r~0#1_7| |v_ULTIMATE.start_main_~da~0#1_9|) InVars {ULTIMATE.start_main_~da~0#1=|v_ULTIMATE.start_main_~da~0#1_9|, ULTIMATE.start_main_~r~0#1=|v_ULTIMATE.start_main_~r~0#1_7|} OutVars{ULTIMATE.start_main_~da~0#1=|v_ULTIMATE.start_main_~da~0#1_9|, ULTIMATE.start_main_~r~0#1=|v_ULTIMATE.start_main_~r~0#1_7|} AuxVars[] AssignedVars[] 56#L20 [2023-02-13 03:40:50,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:50,725 INFO L85 PathProgramCache]: Analyzing trace with hash 2579, now seen corresponding path program 1 times [2023-02-13 03:40:50,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:50,726 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657828272] [2023-02-13 03:40:50,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:50,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:50,729 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:50,731 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:50,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:50,731 INFO L85 PathProgramCache]: Analyzing trace with hash 2424, now seen corresponding path program 1 times [2023-02-13 03:40:50,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:50,731 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426943075] [2023-02-13 03:40:50,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:50,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:50,734 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:50,736 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:50,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:50,737 INFO L85 PathProgramCache]: Analyzing trace with hash 2479882, now seen corresponding path program 1 times [2023-02-13 03:40:50,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:50,737 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746801338] [2023-02-13 03:40:50,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:50,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:50,741 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:50,743 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:50,756 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:50,756 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:50,756 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:50,756 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:50,756 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:40:50,756 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:50,756 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:50,756 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:50,756 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2023-02-13 03:40:50,756 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:50,756 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:50,757 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 03:40:50,759 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 03:40:50,763 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 03:40:50,765 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 03:40:50,785 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:50,785 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:40:50,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:50,786 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:50,787 INFO L229 MonitoredProcess]: Starting monitored process 16 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:50,788 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-02-13 03:40:50,789 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:50,789 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:50,799 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:50,800 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 03:40:50,835 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-02-13 03:40:50,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:50,836 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:50,837 INFO L229 MonitoredProcess]: Starting monitored process 17 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:50,839 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-02-13 03:40:50,840 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:50,840 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:50,884 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-02-13 03:40:50,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:50,885 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:50,887 INFO L229 MonitoredProcess]: Starting monitored process 18 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:50,888 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-02-13 03:40:50,889 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:50,889 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:51,067 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:40:51,069 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-02-13 03:40:51,069 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:51,070 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:51,070 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:51,071 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:51,071 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:40:51,071 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:51,071 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:51,072 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:51,072 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2023-02-13 03:40:51,072 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:51,072 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:51,074 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 03:40:51,083 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 03:40:51,087 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 03:40:51,091 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 03:40:51,141 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:51,142 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:40:51,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:51,143 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:51,144 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 03:40:51,147 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 03:40:51,147 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 03:40:51,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:51,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:51,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:51,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:51,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:51,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:51,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:51,156 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:40:51,160 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-13 03:40:51,160 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-13 03:40:51,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:51,161 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:51,163 INFO L229 MonitoredProcess]: Starting monitored process 20 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 03:40:51,166 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-02-13 03:40:51,168 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:40:51,169 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:40:51,169 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:40:51,169 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~da~0#1, ULTIMATE.start_main_~r~0#1) = 1*ULTIMATE.start_main_~da~0#1 - 1*ULTIMATE.start_main_~r~0#1 Supporting invariants [] [2023-02-13 03:40:51,206 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 03:40:51,207 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:40:51,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:51,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:51,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:51,238 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-13 03:40:51,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:51,251 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 03:40:51,253 INFO L100 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2023-02-13 03:40:51,254 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 03:40:51,254 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 03:40:51,284 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 10 states and 20 transitions. Complement of second has 4 states. [2023-02-13 03:40:51,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-13 03:40:51,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 03:40:51,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-02-13 03:40:51,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 2 letters. Loop has 2 letters. [2023-02-13 03:40:51,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:51,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 4 letters. Loop has 2 letters. [2023-02-13 03:40:51,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:51,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 2 letters. Loop has 4 letters. [2023-02-13 03:40:51,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:51,291 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 20 transitions. [2023-02-13 03:40:51,292 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-13 03:40:51,293 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2023-02-13 03:40:51,293 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-13 03:40:51,293 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-13 03:40:51,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-13 03:40:51,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-13 03:40:51,294 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:40:51,294 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:40:51,295 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:40:51,295 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-13 03:40:51,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-13 03:40:51,295 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-13 03:40:51,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-13 03:40:51,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:40:51 BasicIcfg [2023-02-13 03:40:51,306 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-13 03:40:51,307 INFO L158 Benchmark]: Toolchain (without parser) took 4944.26ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.0GB in the end (delta: 87.9MB). Peak memory consumption was 83.1MB. Max. memory is 42.9GB. [2023-02-13 03:40:51,307 INFO L158 Benchmark]: CDTParser took 0.10ms. 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 03:40:51,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 103.86ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:40:51,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.33ms. 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 03:40:51,308 INFO L158 Benchmark]: Boogie Preprocessor took 10.17ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 923.1kB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:40:51,309 INFO L158 Benchmark]: RCFGBuilder took 210.88ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:40:51,309 INFO L158 Benchmark]: BlockEncodingV2 took 39.61ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:40:51,310 INFO L158 Benchmark]: TraceAbstraction took 14.70ms. 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 03:40:51,310 INFO L158 Benchmark]: BuchiAutomizer took 4526.90ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.0GB in the end (delta: 56.3MB). Peak memory consumption was 49.5MB. Max. memory is 42.9GB. [2023-02-13 03:40:51,313 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 9 locations, 12 edges - StatisticsResult: Encoded RCFG 3 locations, 5 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 2.1GB. Free memory is still 2.1GB. There was no memory consumed. Max. memory is 42.9GB. * CACSL2BoogieTranslator took 103.86ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * Boogie Procedure Inliner took 33.33ms. 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 10.17ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 923.1kB). There was no memory consumed. Max. memory is 42.9GB. * RCFGBuilder took 210.88ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * BlockEncodingV2 took 39.61ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 42.9GB. * TraceAbstraction took 14.70ms. 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 4526.90ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.0GB in the end (delta: 56.3MB). Peak memory consumption was 49.5MB. 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 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has 2-nested ranking function (if 2 * db + -2 * r > 0 then 1 else 0), (if 2 * db + -2 * r > 0 then 2 * db + -2 * r else 2 * da + -2 * r + 1) and consists of 3 locations. One nondeterministic module has affine ranking function da + -1 * r and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 4 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax177 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq173 hnf91 smp100 dnf100 smp100 tf110 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.8s 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 03:40:51,359 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-02-13 03:40:51,566 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 03:40:51,770 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...