/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.fix-rcfgbuilder-lbe-0ccecc1-m [2023-11-10 11:58:23,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-10 11:58:23,883 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-10 11:58:23,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-10 11:58:23,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-10 11:58:23,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-10 11:58:23,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-10 11:58:23,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-10 11:58:23,916 INFO L153 SettingsManager]: * Use SBE=true [2023-11-10 11:58:23,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-10 11:58:23,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-10 11:58:23,920 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-10 11:58:23,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-10 11:58:23,921 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-10 11:58:23,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-10 11:58:23,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-10 11:58:23,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-10 11:58:23,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-10 11:58:23,923 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-10 11:58:23,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-10 11:58:23,923 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-10 11:58:23,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-10 11:58:23,924 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-10 11:58:23,924 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-10 11:58:23,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-10 11:58:23,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-10 11:58:23,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-10 11:58:23,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-10 11:58:23,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-10 11:58:23,926 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-10 11:58:23,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-10 11:58:23,927 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-10 11:58:23,927 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-10 11:58:23,927 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-10 11:58:24,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-10 11:58:24,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-10 11:58:24,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-10 11:58:24,158 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-10 11:58:24,158 INFO L274 PluginConnector]: CDTParser initialized [2023-11-10 11:58:24,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2023-11-10 11:58:25,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-10 11:58:25,720 INFO L384 CDTParser]: Found 1 translation units. [2023-11-10 11:58:25,720 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2023-11-10 11:58:25,733 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc6548fe3/3a6326cb65414b27aee4ed0b995e7a5c/FLAG652432864 [2023-11-10 11:58:25,746 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc6548fe3/3a6326cb65414b27aee4ed0b995e7a5c [2023-11-10 11:58:25,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-10 11:58:25,753 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-10 11:58:25,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-10 11:58:25,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-10 11:58:25,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-10 11:58:25,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:58:25" (1/1) ... [2023-11-10 11:58:25,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d72f1f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:25, skipping insertion in model container [2023-11-10 11:58:25,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:58:25" (1/1) ... [2023-11-10 11:58:25,813 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-10 11:58:26,092 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[30176,30189] [2023-11-10 11:58:26,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-10 11:58:26,130 INFO L202 MainTranslator]: Completed pre-run [2023-11-10 11:58:26,173 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[30176,30189] [2023-11-10 11:58:26,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-10 11:58:26,231 INFO L206 MainTranslator]: Completed translation [2023-11-10 11:58:26,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:26 WrapperNode [2023-11-10 11:58:26,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-10 11:58:26,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-10 11:58:26,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-10 11:58:26,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-10 11:58:26,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:26" (1/1) ... [2023-11-10 11:58:26,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:26" (1/1) ... [2023-11-10 11:58:26,292 INFO L138 Inliner]: procedures = 170, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2023-11-10 11:58:26,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-10 11:58:26,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-10 11:58:26,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-10 11:58:26,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-10 11:58:26,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:26" (1/1) ... [2023-11-10 11:58:26,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:26" (1/1) ... [2023-11-10 11:58:26,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:26" (1/1) ... [2023-11-10 11:58:26,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:26" (1/1) ... [2023-11-10 11:58:26,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:26" (1/1) ... [2023-11-10 11:58:26,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:26" (1/1) ... [2023-11-10 11:58:26,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:26" (1/1) ... [2023-11-10 11:58:26,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:26" (1/1) ... [2023-11-10 11:58:26,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-10 11:58:26,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-10 11:58:26,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-10 11:58:26,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-10 11:58:26,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:26" (1/1) ... [2023-11-10 11:58:26,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-10 11:58:26,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:58:26,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-10 11:58:26,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-10 11:58:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-10 11:58:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-10 11:58:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-10 11:58:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-10 11:58:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-10 11:58:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-10 11:58:26,414 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-10 11:58:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-10 11:58:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-10 11:58:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-10 11:58:26,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-10 11:58:26,416 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-10 11:58:26,545 INFO L236 CfgBuilder]: Building ICFG [2023-11-10 11:58:26,547 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-10 11:58:26,711 INFO L277 CfgBuilder]: Performing block encoding [2023-11-10 11:58:26,719 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-10 11:58:26,719 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-10 11:58:26,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:58:26 BoogieIcfgContainer [2023-11-10 11:58:26,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-10 11:58:26,725 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-10 11:58:26,725 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-10 11:58:26,727 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-10 11:58:26,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:58:25" (1/3) ... [2023-11-10 11:58:26,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fafb464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:58:26, skipping insertion in model container [2023-11-10 11:58:26,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:26" (2/3) ... [2023-11-10 11:58:26,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fafb464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:58:26, skipping insertion in model container [2023-11-10 11:58:26,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:58:26" (3/3) ... [2023-11-10 11:58:26,730 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2023-11-10 11:58:26,746 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-10 11:58:26,746 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-10 11:58:26,746 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-10 11:58:26,806 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-10 11:58:26,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 99 places, 104 transitions, 215 flow [2023-11-10 11:58:26,907 INFO L124 PetriNetUnfolderBase]: 9/103 cut-off events. [2023-11-10 11:58:26,907 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-10 11:58:26,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 103 events. 9/103 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 161 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 57. Up to 3 conditions per place. [2023-11-10 11:58:26,911 INFO L82 GeneralOperation]: Start removeDead. Operand has 99 places, 104 transitions, 215 flow [2023-11-10 11:58:26,916 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 93 transitions, 189 flow [2023-11-10 11:58:26,925 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-10 11:58:26,934 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@de63cef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-10 11:58:26,935 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-10 11:58:26,975 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-10 11:58:26,976 INFO L124 PetriNetUnfolderBase]: 2/77 cut-off events. [2023-11-10 11:58:26,976 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-10 11:58:26,976 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:58:26,977 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:58:26,977 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-10 11:58:26,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:58:26,982 INFO L85 PathProgramCache]: Analyzing trace with hash 286520855, now seen corresponding path program 1 times [2023-11-10 11:58:26,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:58:26,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428611408] [2023-11-10 11:58:26,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:58:26,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:58:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:58:27,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:58:27,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:58:27,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428611408] [2023-11-10 11:58:27,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428611408] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:58:27,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:58:27,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-10 11:58:27,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956875532] [2023-11-10 11:58:27,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:58:27,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-10 11:58:27,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:58:27,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-10 11:58:27,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-10 11:58:27,721 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 104 [2023-11-10 11:58:27,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 93 transitions, 189 flow. Second operand has 9 states, 9 states have (on average 48.77777777777778) internal successors, (439), 9 states have internal predecessors, (439), 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) [2023-11-10 11:58:27,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:58:27,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 104 [2023-11-10 11:58:27,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:58:28,120 INFO L124 PetriNetUnfolderBase]: 52/336 cut-off events. [2023-11-10 11:58:28,120 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-10 11:58:28,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 495 conditions, 336 events. 52/336 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1609 event pairs, 15 based on Foata normal form. 105/438 useless extension candidates. Maximal degree in co-relation 425. Up to 54 conditions per place. [2023-11-10 11:58:28,126 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 34 selfloop transitions, 4 changer transitions 38/113 dead transitions. [2023-11-10 11:58:28,127 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 113 transitions, 375 flow [2023-11-10 11:58:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-10 11:58:28,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-10 11:58:28,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 648 transitions. [2023-11-10 11:58:28,146 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5192307692307693 [2023-11-10 11:58:28,147 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 648 transitions. [2023-11-10 11:58:28,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 648 transitions. [2023-11-10 11:58:28,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:58:28,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 648 transitions. [2023-11-10 11:58:28,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.0) internal successors, (648), 12 states have internal predecessors, (648), 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) [2023-11-10 11:58:28,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 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) [2023-11-10 11:58:28,165 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 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) [2023-11-10 11:58:28,166 INFO L175 Difference]: Start difference. First operand has 88 places, 93 transitions, 189 flow. Second operand 12 states and 648 transitions. [2023-11-10 11:58:28,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 113 transitions, 375 flow [2023-11-10 11:58:28,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 113 transitions, 374 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-10 11:58:28,175 INFO L231 Difference]: Finished difference. Result has 104 places, 75 transitions, 176 flow [2023-11-10 11:58:28,176 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=176, PETRI_PLACES=104, PETRI_TRANSITIONS=75} [2023-11-10 11:58:28,180 INFO L281 CegarLoopForPetriNet]: 88 programPoint places, 16 predicate places. [2023-11-10 11:58:28,180 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 75 transitions, 176 flow [2023-11-10 11:58:28,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 48.77777777777778) internal successors, (439), 9 states have internal predecessors, (439), 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) [2023-11-10 11:58:28,180 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:58:28,181 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:58:28,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-10 11:58:28,182 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-10 11:58:28,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:58:28,182 INFO L85 PathProgramCache]: Analyzing trace with hash 346312547, now seen corresponding path program 1 times [2023-11-10 11:58:28,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:58:28,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075049487] [2023-11-10 11:58:28,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:58:28,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:58:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:58:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:58:28,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:58:28,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075049487] [2023-11-10 11:58:28,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075049487] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:58:28,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:58:28,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-10 11:58:28,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297699420] [2023-11-10 11:58:28,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:58:28,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-10 11:58:28,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:58:28,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-10 11:58:28,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-10 11:58:28,491 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 104 [2023-11-10 11:58:28,492 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 75 transitions, 176 flow. Second operand has 6 states, 6 states have (on average 72.83333333333333) internal successors, (437), 6 states have internal predecessors, (437), 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) [2023-11-10 11:58:28,492 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:58:28,492 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 104 [2023-11-10 11:58:28,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:58:28,579 INFO L124 PetriNetUnfolderBase]: 8/128 cut-off events. [2023-11-10 11:58:28,579 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-10 11:58:28,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 128 events. 8/128 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 177 event pairs, 4 based on Foata normal form. 4/132 useless extension candidates. Maximal degree in co-relation 185. Up to 20 conditions per place. [2023-11-10 11:58:28,584 INFO L140 encePairwiseOnDemand]: 97/104 looper letters, 16 selfloop transitions, 7 changer transitions 1/78 dead transitions. [2023-11-10 11:58:28,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 78 transitions, 230 flow [2023-11-10 11:58:28,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-10 11:58:28,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-10 11:58:28,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 377 transitions. [2023-11-10 11:58:28,586 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.725 [2023-11-10 11:58:28,586 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 377 transitions. [2023-11-10 11:58:28,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 377 transitions. [2023-11-10 11:58:28,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:58:28,587 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 377 transitions. [2023-11-10 11:58:28,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 75.4) internal successors, (377), 5 states have internal predecessors, (377), 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) [2023-11-10 11:58:28,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 104.0) internal successors, (624), 6 states have internal predecessors, (624), 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) [2023-11-10 11:58:28,589 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 104.0) internal successors, (624), 6 states have internal predecessors, (624), 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) [2023-11-10 11:58:28,589 INFO L175 Difference]: Start difference. First operand has 104 places, 75 transitions, 176 flow. Second operand 5 states and 377 transitions. [2023-11-10 11:58:28,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 78 transitions, 230 flow [2023-11-10 11:58:28,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 78 transitions, 210 flow, removed 6 selfloop flow, removed 10 redundant places. [2023-11-10 11:58:28,593 INFO L231 Difference]: Finished difference. Result has 83 places, 75 transitions, 170 flow [2023-11-10 11:58:28,594 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=170, PETRI_PLACES=83, PETRI_TRANSITIONS=75} [2023-11-10 11:58:28,595 INFO L281 CegarLoopForPetriNet]: 88 programPoint places, -5 predicate places. [2023-11-10 11:58:28,595 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 75 transitions, 170 flow [2023-11-10 11:58:28,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.83333333333333) internal successors, (437), 6 states have internal predecessors, (437), 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) [2023-11-10 11:58:28,595 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:58:28,596 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:58:28,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-10 11:58:28,597 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-10 11:58:28,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:58:28,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1667632424, now seen corresponding path program 1 times [2023-11-10 11:58:28,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:58:28,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346968404] [2023-11-10 11:58:28,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:58:28,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:58:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-10 11:58:28,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-10 11:58:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-10 11:58:28,694 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-10 11:58:28,694 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-10 11:58:28,695 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-10 11:58:28,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-11-10 11:58:28,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-10 11:58:28,698 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-10 11:58:28,705 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-10 11:58:28,707 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-10 11:58:28,760 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre10 could not be translated [2023-11-10 11:58:28,762 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-10 11:58:28,762 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-10 11:58:28,763 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-10 11:58:28,763 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated [2023-11-10 11:58:28,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:58:28 BasicIcfg [2023-11-10 11:58:28,781 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-10 11:58:28,782 INFO L158 Benchmark]: Toolchain (without parser) took 3028.56ms. Allocated memory was 320.9MB in the beginning and 440.4MB in the end (delta: 119.5MB). Free memory was 277.3MB in the beginning and 396.3MB in the end (delta: -119.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-10 11:58:28,782 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 216.0MB. Free memory is still 162.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-10 11:58:28,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.28ms. Allocated memory is still 320.9MB. Free memory was 277.3MB in the beginning and 257.4MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-11-10 11:58:28,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.11ms. Allocated memory is still 320.9MB. Free memory was 257.4MB in the beginning and 255.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-10 11:58:28,785 INFO L158 Benchmark]: Boogie Preprocessor took 44.95ms. Allocated memory is still 320.9MB. Free memory was 255.3MB in the beginning and 253.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-10 11:58:28,786 INFO L158 Benchmark]: RCFGBuilder took 383.59ms. Allocated memory is still 320.9MB. Free memory was 253.7MB in the beginning and 239.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-11-10 11:58:28,788 INFO L158 Benchmark]: TraceAbstraction took 2056.09ms. Allocated memory was 320.9MB in the beginning and 440.4MB in the end (delta: 119.5MB). Free memory was 238.5MB in the beginning and 396.3MB in the end (delta: -157.8MB). There was no memory consumed. Max. memory is 8.0GB. [2023-11-10 11:58:28,793 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 216.0MB. Free memory is still 162.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 476.28ms. Allocated memory is still 320.9MB. Free memory was 277.3MB in the beginning and 257.4MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.11ms. Allocated memory is still 320.9MB. Free memory was 257.4MB in the beginning and 255.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.95ms. Allocated memory is still 320.9MB. Free memory was 255.3MB in the beginning and 253.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 383.59ms. Allocated memory is still 320.9MB. Free memory was 253.7MB in the beginning and 239.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2056.09ms. Allocated memory was 320.9MB in the beginning and 440.4MB in the end (delta: 119.5MB). Free memory was 238.5MB in the beginning and 396.3MB in the end (delta: -157.8MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 691]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L696] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}] [L697] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}, mutex1={4:0}] [L698] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}, mutex1={4:0}, mutex2={5:0}] [L707] 0 pthread_t id; VAL [__global_lock={3:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}] [L708] 0 int i = 0; VAL [__global_lock={3:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}] [L709] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [__global_lock={3:0}, arg={6:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}] [L700] 1 int *p = (int *) arg; VAL [__global_lock={3:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L702] EXPR 1 \read(*p) VAL [__global_lock={3:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L702] 1 (*p)++ VAL [__global_lock={3:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L711] EXPR 0 \read(i) VAL [__global_lock={3:0}, arg={6:0}, arg={6:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L711] CALL 0 __VERIFIER_assert((i) == 0) [L691] COND TRUE 0 !(cond) VAL [\old(cond)=0, __global_lock={3:0}, arg={6:0}, arg={6:0}, cond=0, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L691] 0 reach_error() VAL [\old(cond)=0, __global_lock={3:0}, arg={6:0}, arg={6:0}, cond=0, mutex1={4:0}, mutex2={5:0}, p={6:0}] - UnprovableResult [Line: 709]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 125 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 120 mSDsluCounter, 209 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 167 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 195 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 42 mSDtfsCounter, 195 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=189occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 360 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-10 11:58:28,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...