/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_05-lockfuns.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 01:36:04,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 01:36:04,816 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 [2023-11-30 01:36:04,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 01:36:04,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 01:36:04,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 01:36:04,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 01:36:04,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 01:36:04,848 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 01:36:04,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 01:36:04,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 01:36:04,853 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 01:36:04,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 01:36:04,854 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 01:36:04,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 01:36:04,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 01:36:04,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 01:36:04,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 01:36:04,855 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 01:36:04,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 01:36:04,856 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 01:36:04,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 01:36:04,857 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 01:36:04,857 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 01:36:04,857 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 01:36:04,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:36:04,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 01:36:04,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 01:36:04,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 01:36:04,859 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 01:36:04,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 01:36:04,860 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 01:36:04,860 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 01:36:04,861 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 01:36:05,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 01:36:05,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 01:36:05,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 01:36:05,131 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 01:36:05,132 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 01:36:05,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_05-lockfuns.i [2023-11-30 01:36:06,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 01:36:06,749 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 01:36:06,749 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_05-lockfuns.i [2023-11-30 01:36:06,767 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7175fb218/36d1eb95a7bf4c1e81448f3d360896ce/FLAG993ab48a8 [2023-11-30 01:36:06,778 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7175fb218/36d1eb95a7bf4c1e81448f3d360896ce [2023-11-30 01:36:06,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 01:36:06,782 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 01:36:06,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 01:36:06,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 01:36:06,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 01:36:06,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:36:06" (1/1) ... [2023-11-30 01:36:06,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14533348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:06, skipping insertion in model container [2023-11-30 01:36:06,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:36:06" (1/1) ... [2023-11-30 01:36:06,824 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 01:36:07,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:36:07,195 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 01:36:07,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:36:07,340 INFO L206 MainTranslator]: Completed translation [2023-11-30 01:36:07,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:07 WrapperNode [2023-11-30 01:36:07,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 01:36:07,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 01:36:07,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 01:36:07,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 01:36:07,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:07" (1/1) ... [2023-11-30 01:36:07,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:07" (1/1) ... [2023-11-30 01:36:07,406 INFO L138 Inliner]: procedures = 265, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 70 [2023-11-30 01:36:07,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 01:36:07,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 01:36:07,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 01:36:07,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 01:36:07,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:07" (1/1) ... [2023-11-30 01:36:07,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:07" (1/1) ... [2023-11-30 01:36:07,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:07" (1/1) ... [2023-11-30 01:36:07,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:07" (1/1) ... [2023-11-30 01:36:07,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:07" (1/1) ... [2023-11-30 01:36:07,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:07" (1/1) ... [2023-11-30 01:36:07,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:07" (1/1) ... [2023-11-30 01:36:07,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:07" (1/1) ... [2023-11-30 01:36:07,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 01:36:07,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 01:36:07,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 01:36:07,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 01:36:07,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:07" (1/1) ... [2023-11-30 01:36:07,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:36:07,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 01:36:07,479 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) [2023-11-30 01:36:07,506 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 [2023-11-30 01:36:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 01:36:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 01:36:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 01:36:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 01:36:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 01:36:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 01:36:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 01:36:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 01:36:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 01:36:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 01:36:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 01:36:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 01:36:07,523 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 01:36:07,631 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 01:36:07,633 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 01:36:07,781 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 01:36:07,798 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 01:36:07,799 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 01:36:07,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:36:07 BoogieIcfgContainer [2023-11-30 01:36:07,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 01:36:07,803 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 01:36:07,803 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 01:36:07,806 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 01:36:07,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:36:06" (1/3) ... [2023-11-30 01:36:07,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d039679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:36:07, skipping insertion in model container [2023-11-30 01:36:07,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:07" (2/3) ... [2023-11-30 01:36:07,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d039679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:36:07, skipping insertion in model container [2023-11-30 01:36:07,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:36:07" (3/3) ... [2023-11-30 01:36:07,808 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_05-lockfuns.i [2023-11-30 01:36:07,823 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 01:36:07,824 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-30 01:36:07,824 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 01:36:07,866 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-30 01:36:07,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 76 transitions, 159 flow [2023-11-30 01:36:07,926 INFO L124 PetriNetUnfolderBase]: 0/75 cut-off events. [2023-11-30 01:36:07,927 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 01:36:07,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 75 events. 0/75 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-11-30 01:36:07,930 INFO L82 GeneralOperation]: Start removeDead. Operand has 80 places, 76 transitions, 159 flow [2023-11-30 01:36:07,933 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 71 places, 67 transitions, 137 flow [2023-11-30 01:36:07,941 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 01:36:07,946 INFO L362 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=true, 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;@66642012, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 01:36:07,946 INFO L363 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-30 01:36:07,956 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 01:36:07,956 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2023-11-30 01:36:07,956 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:36:07,956 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:07,957 INFO L232 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] [2023-11-30 01:36:07,957 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:07,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:07,962 INFO L85 PathProgramCache]: Analyzing trace with hash 2050329484, now seen corresponding path program 1 times [2023-11-30 01:36:07,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:07,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404662057] [2023-11-30 01:36:07,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:07,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:08,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:36:08,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:08,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404662057] [2023-11-30 01:36:08,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404662057] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:08,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:08,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:36:08,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230813385] [2023-11-30 01:36:08,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:08,261 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:36:08,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:08,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:36:08,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:36:08,300 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 76 [2023-11-30 01:36:08,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 67 transitions, 137 flow. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2023-11-30 01:36:08,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:08,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 76 [2023-11-30 01:36:08,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:08,475 INFO L124 PetriNetUnfolderBase]: 67/357 cut-off events. [2023-11-30 01:36:08,475 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 01:36:08,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 517 conditions, 357 events. 67/357 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1795 event pairs, 33 based on Foata normal form. 0/312 useless extension candidates. Maximal degree in co-relation 494. Up to 100 conditions per place. [2023-11-30 01:36:08,482 INFO L140 encePairwiseOnDemand]: 68/76 looper letters, 25 selfloop transitions, 6 changer transitions 0/81 dead transitions. [2023-11-30 01:36:08,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 81 transitions, 227 flow [2023-11-30 01:36:08,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:36:08,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:36:08,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 207 transitions. [2023-11-30 01:36:08,495 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9078947368421053 [2023-11-30 01:36:08,496 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 207 transitions. [2023-11-30 01:36:08,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 207 transitions. [2023-11-30 01:36:08,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:08,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 207 transitions. [2023-11-30 01:36:08,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 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) [2023-11-30 01:36:08,505 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 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) [2023-11-30 01:36:08,505 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 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) [2023-11-30 01:36:08,508 INFO L307 CegarLoopForPetriNet]: 71 programPoint places, 2 predicate places. [2023-11-30 01:36:08,509 INFO L500 AbstractCegarLoop]: Abstraction has has 73 places, 81 transitions, 227 flow [2023-11-30 01:36:08,509 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2023-11-30 01:36:08,509 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:08,509 INFO L232 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] [2023-11-30 01:36:08,509 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 01:36:08,510 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:08,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:08,510 INFO L85 PathProgramCache]: Analyzing trace with hash -882756471, now seen corresponding path program 1 times [2023-11-30 01:36:08,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:08,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468421663] [2023-11-30 01:36:08,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:08,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:08,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:36:08,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:08,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468421663] [2023-11-30 01:36:08,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468421663] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:08,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:08,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:36:08,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852791120] [2023-11-30 01:36:08,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:08,596 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:36:08,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:08,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:36:08,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:36:08,597 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 76 [2023-11-30 01:36:08,598 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 81 transitions, 227 flow. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2023-11-30 01:36:08,598 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:08,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 76 [2023-11-30 01:36:08,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:08,707 INFO L124 PetriNetUnfolderBase]: 91/427 cut-off events. [2023-11-30 01:36:08,707 INFO L125 PetriNetUnfolderBase]: For 54/84 co-relation queries the response was YES. [2023-11-30 01:36:08,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 820 conditions, 427 events. 91/427 cut-off events. For 54/84 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2289 event pairs, 31 based on Foata normal form. 2/382 useless extension candidates. Maximal degree in co-relation 795. Up to 168 conditions per place. [2023-11-30 01:36:08,713 INFO L140 encePairwiseOnDemand]: 70/76 looper letters, 38 selfloop transitions, 8 changer transitions 0/94 dead transitions. [2023-11-30 01:36:08,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 94 transitions, 369 flow [2023-11-30 01:36:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:36:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:36:08,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 198 transitions. [2023-11-30 01:36:08,716 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.868421052631579 [2023-11-30 01:36:08,716 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 198 transitions. [2023-11-30 01:36:08,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 198 transitions. [2023-11-30 01:36:08,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:08,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 198 transitions. [2023-11-30 01:36:08,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2023-11-30 01:36:08,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 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) [2023-11-30 01:36:08,719 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 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) [2023-11-30 01:36:08,720 INFO L307 CegarLoopForPetriNet]: 71 programPoint places, 4 predicate places. [2023-11-30 01:36:08,720 INFO L500 AbstractCegarLoop]: Abstraction has has 75 places, 94 transitions, 369 flow [2023-11-30 01:36:08,720 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2023-11-30 01:36:08,720 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:08,720 INFO L232 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] [2023-11-30 01:36:08,720 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 01:36:08,721 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:08,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:08,723 INFO L85 PathProgramCache]: Analyzing trace with hash -135736420, now seen corresponding path program 1 times [2023-11-30 01:36:08,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:08,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529662318] [2023-11-30 01:36:08,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:08,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:08,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:36:08,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:08,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529662318] [2023-11-30 01:36:08,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529662318] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:08,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:08,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:36:08,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387622217] [2023-11-30 01:36:08,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:08,783 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:36:08,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:08,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:36:08,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:36:08,785 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 76 [2023-11-30 01:36:08,785 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 94 transitions, 369 flow. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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) [2023-11-30 01:36:08,785 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:08,786 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 76 [2023-11-30 01:36:08,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:08,880 INFO L124 PetriNetUnfolderBase]: 113/492 cut-off events. [2023-11-30 01:36:08,881 INFO L125 PetriNetUnfolderBase]: For 168/168 co-relation queries the response was YES. [2023-11-30 01:36:08,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1155 conditions, 492 events. 113/492 cut-off events. For 168/168 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2799 event pairs, 29 based on Foata normal form. 0/458 useless extension candidates. Maximal degree in co-relation 1127. Up to 181 conditions per place. [2023-11-30 01:36:08,887 INFO L140 encePairwiseOnDemand]: 70/76 looper letters, 50 selfloop transitions, 11 changer transitions 0/109 dead transitions. [2023-11-30 01:36:08,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 109 transitions, 577 flow [2023-11-30 01:36:08,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:36:08,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:36:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 193 transitions. [2023-11-30 01:36:08,894 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8464912280701754 [2023-11-30 01:36:08,894 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 193 transitions. [2023-11-30 01:36:08,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 193 transitions. [2023-11-30 01:36:08,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:08,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 193 transitions. [2023-11-30 01:36:08,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2023-11-30 01:36:08,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 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) [2023-11-30 01:36:08,898 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 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) [2023-11-30 01:36:08,899 INFO L307 CegarLoopForPetriNet]: 71 programPoint places, 6 predicate places. [2023-11-30 01:36:08,899 INFO L500 AbstractCegarLoop]: Abstraction has has 77 places, 109 transitions, 577 flow [2023-11-30 01:36:08,899 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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) [2023-11-30 01:36:08,899 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:08,900 INFO L232 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] [2023-11-30 01:36:08,900 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 01:36:08,900 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:08,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:08,901 INFO L85 PathProgramCache]: Analyzing trace with hash 2084794637, now seen corresponding path program 1 times [2023-11-30 01:36:08,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:08,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040712850] [2023-11-30 01:36:08,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:08,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:36:09,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:09,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040712850] [2023-11-30 01:36:09,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040712850] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:09,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:09,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 01:36:09,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990681456] [2023-11-30 01:36:09,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:09,046 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:36:09,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:09,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:36:09,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:36:09,047 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 76 [2023-11-30 01:36:09,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 109 transitions, 577 flow. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2023-11-30 01:36:09,048 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:09,048 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 76 [2023-11-30 01:36:09,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:09,081 INFO L124 PetriNetUnfolderBase]: 1/95 cut-off events. [2023-11-30 01:36:09,081 INFO L125 PetriNetUnfolderBase]: For 94/94 co-relation queries the response was YES. [2023-11-30 01:36:09,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 95 events. 1/95 cut-off events. For 94/94 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 114 event pairs, 1 based on Foata normal form. 14/108 useless extension candidates. Maximal degree in co-relation 166. Up to 27 conditions per place. [2023-11-30 01:36:09,082 INFO L140 encePairwiseOnDemand]: 72/76 looper letters, 7 selfloop transitions, 4 changer transitions 1/63 dead transitions. [2023-11-30 01:36:09,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 63 transitions, 239 flow [2023-11-30 01:36:09,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:36:09,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:36:09,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions. [2023-11-30 01:36:09,084 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8991228070175439 [2023-11-30 01:36:09,084 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 205 transitions. [2023-11-30 01:36:09,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 205 transitions. [2023-11-30 01:36:09,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:09,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 205 transitions. [2023-11-30 01:36:09,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2023-11-30 01:36:09,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 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) [2023-11-30 01:36:09,086 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 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) [2023-11-30 01:36:09,087 INFO L307 CegarLoopForPetriNet]: 71 programPoint places, 4 predicate places. [2023-11-30 01:36:09,087 INFO L500 AbstractCegarLoop]: Abstraction has has 75 places, 63 transitions, 239 flow [2023-11-30 01:36:09,087 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2023-11-30 01:36:09,087 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:09,087 INFO L232 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] [2023-11-30 01:36:09,088 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 01:36:09,088 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:09,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:09,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1389822748, now seen corresponding path program 1 times [2023-11-30 01:36:09,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:09,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840148181] [2023-11-30 01:36:09,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:09,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:09,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:36:09,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:09,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840148181] [2023-11-30 01:36:09,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840148181] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:09,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:09,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:36:09,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628610034] [2023-11-30 01:36:09,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:09,456 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:36:09,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:09,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:36:09,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:36:09,459 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 76 [2023-11-30 01:36:09,459 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 63 transitions, 239 flow. Second operand has 6 states, 6 states have (on average 59.0) internal successors, (354), 6 states have internal predecessors, (354), 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) [2023-11-30 01:36:09,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:09,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 76 [2023-11-30 01:36:09,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:09,517 INFO L124 PetriNetUnfolderBase]: 13/134 cut-off events. [2023-11-30 01:36:09,517 INFO L125 PetriNetUnfolderBase]: For 211/211 co-relation queries the response was YES. [2023-11-30 01:36:09,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 346 conditions, 134 events. 13/134 cut-off events. For 211/211 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 304 event pairs, 3 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 305. Up to 43 conditions per place. [2023-11-30 01:36:09,517 INFO L140 encePairwiseOnDemand]: 71/76 looper letters, 0 selfloop transitions, 0 changer transitions 70/70 dead transitions. [2023-11-30 01:36:09,518 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 70 transitions, 361 flow [2023-11-30 01:36:09,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:36:09,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:36:09,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 365 transitions. [2023-11-30 01:36:09,519 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8004385964912281 [2023-11-30 01:36:09,519 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 365 transitions. [2023-11-30 01:36:09,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 365 transitions. [2023-11-30 01:36:09,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:09,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 365 transitions. [2023-11-30 01:36:09,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 60.833333333333336) internal successors, (365), 6 states have internal predecessors, (365), 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) [2023-11-30 01:36:09,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 76.0) internal successors, (532), 7 states have internal predecessors, (532), 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) [2023-11-30 01:36:09,522 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 76.0) internal successors, (532), 7 states have internal predecessors, (532), 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) [2023-11-30 01:36:09,525 INFO L307 CegarLoopForPetriNet]: 71 programPoint places, 8 predicate places. [2023-11-30 01:36:09,525 INFO L500 AbstractCegarLoop]: Abstraction has has 79 places, 70 transitions, 361 flow [2023-11-30 01:36:09,525 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.0) internal successors, (354), 6 states have internal predecessors, (354), 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) [2023-11-30 01:36:09,532 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/04-mutex_05-lockfuns.i_BEv2_AllErrorsAtOnce [2023-11-30 01:36:09,562 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-11-30 01:36:09,565 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-11-30 01:36:09,565 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-11-30 01:36:09,565 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2023-11-30 01:36:09,566 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-11-30 01:36:09,566 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-11-30 01:36:09,566 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-11-30 01:36:09,566 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-11-30 01:36:09,566 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 01:36:09,567 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-30 01:36:09,573 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 01:36:09,574 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 01:36:09,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:36:09 BasicIcfg [2023-11-30 01:36:09,586 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 01:36:09,589 INFO L158 Benchmark]: Toolchain (without parser) took 2806.74ms. Allocated memory was 358.6MB in the beginning and 551.6MB in the end (delta: 192.9MB). Free memory was 297.2MB in the beginning and 289.0MB in the end (delta: 8.2MB). Peak memory consumption was 201.8MB. Max. memory is 16.0GB. [2023-11-30 01:36:09,590 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 358.6MB. Free memory is still 308.2MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 01:36:09,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 556.50ms. Allocated memory was 358.6MB in the beginning and 551.6MB in the end (delta: 192.9MB). Free memory was 296.9MB in the beginning and 512.2MB in the end (delta: -215.3MB). Peak memory consumption was 31.9MB. Max. memory is 16.0GB. [2023-11-30 01:36:09,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.01ms. Allocated memory is still 551.6MB. Free memory was 512.2MB in the beginning and 509.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 01:36:09,601 INFO L158 Benchmark]: Boogie Preprocessor took 35.27ms. Allocated memory is still 551.6MB. Free memory was 509.2MB in the beginning and 508.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 01:36:09,601 INFO L158 Benchmark]: RCFGBuilder took 358.42ms. Allocated memory is still 551.6MB. Free memory was 508.1MB in the beginning and 491.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-11-30 01:36:09,602 INFO L158 Benchmark]: TraceAbstraction took 1785.07ms. Allocated memory is still 551.6MB. Free memory was 491.4MB in the beginning and 289.0MB in the end (delta: 202.4MB). Peak memory consumption was 201.3MB. Max. memory is 16.0GB. [2023-11-30 01:36:09,603 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 358.6MB. Free memory is still 308.2MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 556.50ms. Allocated memory was 358.6MB in the beginning and 551.6MB in the end (delta: 192.9MB). Free memory was 296.9MB in the beginning and 512.2MB in the end (delta: -215.3MB). Peak memory consumption was 31.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 65.01ms. Allocated memory is still 551.6MB. Free memory was 512.2MB in the beginning and 509.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 35.27ms. Allocated memory is still 551.6MB. Free memory was 509.2MB in the beginning and 508.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 358.42ms. Allocated memory is still 551.6MB. Free memory was 508.1MB in the beginning and 491.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 1785.07ms. Allocated memory is still 551.6MB. Free memory was 491.4MB in the beginning and 289.0MB in the end (delta: 202.4MB). Peak memory consumption was 201.3MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 935]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 935]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 927]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 927]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 101 locations, 8 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: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 144 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 52 mSDtfsCounter, 144 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=577occurred in iteration=3, InterpolantAutomatonStates: 18, 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, 0.7s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 273 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 01:36:09,625 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...