/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_43-thread_create_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 01:37:20,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 01:37:20,383 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 01:37:20,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 01:37:20,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 01:37:20,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 01:37:20,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 01:37:20,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 01:37:20,408 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 01:37:20,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 01:37:20,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 01:37:20,411 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 01:37:20,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 01:37:20,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 01:37:20,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 01:37:20,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 01:37:20,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 01:37:20,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 01:37:20,413 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 01:37:20,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 01:37:20,413 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 01:37:20,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 01:37:20,414 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 01:37:20,414 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 01:37:20,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 01:37:20,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:37:20,415 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 01:37:20,415 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 01:37:20,415 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 01:37:20,415 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 01:37:20,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 01:37:20,416 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 01:37:20,416 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 01:37:20,416 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 01:37:20,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 01:37:20,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 01:37:20,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 01:37:20,605 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 01:37:20,605 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 01:37:20,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_43-thread_create_nr.i [2023-11-30 01:37:21,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 01:37:21,682 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 01:37:21,682 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_43-thread_create_nr.i [2023-11-30 01:37:21,695 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2d7f8a16/7d11e9d3223441b6a3fa1d8e6d520919/FLAG3c17d77cc [2023-11-30 01:37:22,063 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2d7f8a16/7d11e9d3223441b6a3fa1d8e6d520919 [2023-11-30 01:37:22,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 01:37:22,067 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 01:37:22,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 01:37:22,068 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 01:37:22,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 01:37:22,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:37:22" (1/1) ... [2023-11-30 01:37:22,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333de580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:22, skipping insertion in model container [2023-11-30 01:37:22,076 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:37:22" (1/1) ... [2023-11-30 01:37:22,115 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 01:37:22,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:37:22,420 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 01:37:22,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:37:22,498 INFO L206 MainTranslator]: Completed translation [2023-11-30 01:37:22,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:22 WrapperNode [2023-11-30 01:37:22,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 01:37:22,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 01:37:22,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 01:37:22,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 01:37:22,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:22" (1/1) ... [2023-11-30 01:37:22,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:22" (1/1) ... [2023-11-30 01:37:22,543 INFO L138 Inliner]: procedures = 263, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-11-30 01:37:22,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 01:37:22,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 01:37:22,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 01:37:22,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 01:37:22,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:22" (1/1) ... [2023-11-30 01:37:22,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:22" (1/1) ... [2023-11-30 01:37:22,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:22" (1/1) ... [2023-11-30 01:37:22,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:22" (1/1) ... [2023-11-30 01:37:22,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:22" (1/1) ... [2023-11-30 01:37:22,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:22" (1/1) ... [2023-11-30 01:37:22,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:22" (1/1) ... [2023-11-30 01:37:22,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:22" (1/1) ... [2023-11-30 01:37:22,578 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 01:37:22,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 01:37:22,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 01:37:22,578 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 01:37:22,579 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:22" (1/1) ... [2023-11-30 01:37:22,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:37:22,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 01:37:22,610 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 01:37:22,632 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 01:37:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 01:37:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 01:37:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 01:37:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 01:37:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 01:37:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 01:37:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 01:37:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 01:37:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 01:37:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 01:37:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 01:37:22,637 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 01:37:22,770 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 01:37:22,772 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 01:37:22,920 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 01:37:22,944 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 01:37:22,944 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 01:37:22,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:37:22 BoogieIcfgContainer [2023-11-30 01:37:22,946 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 01:37:22,947 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 01:37:22,947 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 01:37:22,949 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 01:37:22,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:37:22" (1/3) ... [2023-11-30 01:37:22,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7300982c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:37:22, skipping insertion in model container [2023-11-30 01:37:22,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:22" (2/3) ... [2023-11-30 01:37:22,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7300982c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:37:22, skipping insertion in model container [2023-11-30 01:37:22,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:37:22" (3/3) ... [2023-11-30 01:37:22,953 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_43-thread_create_nr.i [2023-11-30 01:37:22,965 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 01:37:22,965 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-11-30 01:37:22,965 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 01:37:23,002 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 01:37:23,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 79 transitions, 162 flow [2023-11-30 01:37:23,060 INFO L124 PetriNetUnfolderBase]: 0/78 cut-off events. [2023-11-30 01:37:23,061 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:37:23,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 78 events. 0/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-30 01:37:23,063 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 79 transitions, 162 flow [2023-11-30 01:37:23,067 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 78 transitions, 159 flow [2023-11-30 01:37:23,073 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 01:37:23,077 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;@732ec2ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 01:37:23,077 INFO L363 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-30 01:37:23,082 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 01:37:23,082 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2023-11-30 01:37:23,082 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:37:23,082 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:23,083 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] [2023-11-30 01:37:23,083 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-30 01:37:23,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:23,086 INFO L85 PathProgramCache]: Analyzing trace with hash -689741038, now seen corresponding path program 1 times [2023-11-30 01:37:23,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:23,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718430256] [2023-11-30 01:37:23,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:23,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:23,276 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 01:37:23,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:23,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718430256] [2023-11-30 01:37:23,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718430256] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:23,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:23,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:37:23,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989059885] [2023-11-30 01:37:23,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:23,284 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:37:23,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:23,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:37:23,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:37:23,310 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 79 [2023-11-30 01:37:23,312 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 78 transitions, 159 flow. Second operand has 3 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 01:37:23,312 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:23,312 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 79 [2023-11-30 01:37:23,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:23,386 INFO L124 PetriNetUnfolderBase]: 14/138 cut-off events. [2023-11-30 01:37:23,386 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 01:37:23,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 138 events. 14/138 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 346 event pairs, 14 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 133. Up to 42 conditions per place. [2023-11-30 01:37:23,388 INFO L140 encePairwiseOnDemand]: 76/79 looper letters, 13 selfloop transitions, 2 changer transitions 0/77 dead transitions. [2023-11-30 01:37:23,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 77 transitions, 187 flow [2023-11-30 01:37:23,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:37:23,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:37:23,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions. [2023-11-30 01:37:23,401 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8649789029535865 [2023-11-30 01:37:23,401 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 205 transitions. [2023-11-30 01:37:23,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 205 transitions. [2023-11-30 01:37:23,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:23,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 205 transitions. [2023-11-30 01:37:23,410 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 01:37:23,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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 01:37:23,416 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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 01:37:23,419 INFO L307 CegarLoopForPetriNet]: 82 programPoint places, 1 predicate places. [2023-11-30 01:37:23,419 INFO L500 AbstractCegarLoop]: Abstraction has has 83 places, 77 transitions, 187 flow [2023-11-30 01:37:23,419 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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 01:37:23,419 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:23,419 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] [2023-11-30 01:37:23,419 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 01:37:23,420 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-30 01:37:23,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:23,421 INFO L85 PathProgramCache]: Analyzing trace with hash -951583254, now seen corresponding path program 1 times [2023-11-30 01:37:23,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:23,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771334827] [2023-11-30 01:37:23,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:23,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:23,476 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 01:37:23,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:23,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771334827] [2023-11-30 01:37:23,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771334827] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:23,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:23,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:37:23,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009127930] [2023-11-30 01:37:23,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:23,478 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:37:23,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:23,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:37:23,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:37:23,479 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 79 [2023-11-30 01:37:23,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 77 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 01:37:23,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:23,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 79 [2023-11-30 01:37:23,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:23,507 INFO L124 PetriNetUnfolderBase]: 14/135 cut-off events. [2023-11-30 01:37:23,507 INFO L125 PetriNetUnfolderBase]: For 19/24 co-relation queries the response was YES. [2023-11-30 01:37:23,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 135 events. 14/135 cut-off events. For 19/24 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 331 event pairs, 14 based on Foata normal form. 1/122 useless extension candidates. Maximal degree in co-relation 157. Up to 42 conditions per place. [2023-11-30 01:37:23,508 INFO L140 encePairwiseOnDemand]: 73/79 looper letters, 9 selfloop transitions, 4 changer transitions 0/75 dead transitions. [2023-11-30 01:37:23,508 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 75 transitions, 209 flow [2023-11-30 01:37:23,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:37:23,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:37:23,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 207 transitions. [2023-11-30 01:37:23,510 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8734177215189873 [2023-11-30 01:37:23,510 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 207 transitions. [2023-11-30 01:37:23,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 207 transitions. [2023-11-30 01:37:23,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:23,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 207 transitions. [2023-11-30 01:37:23,511 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 01:37:23,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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 01:37:23,512 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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 01:37:23,512 INFO L307 CegarLoopForPetriNet]: 82 programPoint places, 1 predicate places. [2023-11-30 01:37:23,512 INFO L500 AbstractCegarLoop]: Abstraction has has 83 places, 75 transitions, 209 flow [2023-11-30 01:37:23,512 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 01:37:23,512 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:23,513 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] [2023-11-30 01:37:23,513 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 01:37:23,513 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-30 01:37:23,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:23,513 INFO L85 PathProgramCache]: Analyzing trace with hash -969913691, now seen corresponding path program 1 times [2023-11-30 01:37:23,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:23,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577405168] [2023-11-30 01:37:23,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:23,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:23,564 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 01:37:23,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:23,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577405168] [2023-11-30 01:37:23,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577405168] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:23,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:23,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:37:23,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682175376] [2023-11-30 01:37:23,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:23,567 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:37:23,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:23,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:37:23,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:37:23,570 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 79 [2023-11-30 01:37:23,570 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 75 transitions, 209 flow. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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 01:37:23,570 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:23,570 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 79 [2023-11-30 01:37:23,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:23,630 INFO L124 PetriNetUnfolderBase]: 19/147 cut-off events. [2023-11-30 01:37:23,630 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2023-11-30 01:37:23,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 147 events. 19/147 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 411 event pairs, 19 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 219. Up to 47 conditions per place. [2023-11-30 01:37:23,632 INFO L140 encePairwiseOnDemand]: 76/79 looper letters, 14 selfloop transitions, 2 changer transitions 0/74 dead transitions. [2023-11-30 01:37:23,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 74 transitions, 237 flow [2023-11-30 01:37:23,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:37:23,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:37:23,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 197 transitions. [2023-11-30 01:37:23,636 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8312236286919831 [2023-11-30 01:37:23,636 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 197 transitions. [2023-11-30 01:37:23,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 197 transitions. [2023-11-30 01:37:23,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:23,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 197 transitions. [2023-11-30 01:37:23,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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 01:37:23,637 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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 01:37:23,638 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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 01:37:23,638 INFO L307 CegarLoopForPetriNet]: 82 programPoint places, 2 predicate places. [2023-11-30 01:37:23,638 INFO L500 AbstractCegarLoop]: Abstraction has has 84 places, 74 transitions, 237 flow [2023-11-30 01:37:23,640 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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 01:37:23,640 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:23,641 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, 1, 1] [2023-11-30 01:37:23,641 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 01:37:23,641 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-30 01:37:23,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:23,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1345497987, now seen corresponding path program 1 times [2023-11-30 01:37:23,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:23,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394621751] [2023-11-30 01:37:23,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:23,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:23,680 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 01:37:23,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:23,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394621751] [2023-11-30 01:37:23,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394621751] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:23,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:23,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:37:23,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158574927] [2023-11-30 01:37:23,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:23,682 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:37:23,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:23,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:37:23,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:37:23,683 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 79 [2023-11-30 01:37:23,683 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 74 transitions, 237 flow. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 01:37:23,683 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:23,683 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 79 [2023-11-30 01:37:23,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:23,734 INFO L124 PetriNetUnfolderBase]: 17/142 cut-off events. [2023-11-30 01:37:23,734 INFO L125 PetriNetUnfolderBase]: For 96/108 co-relation queries the response was YES. [2023-11-30 01:37:23,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 142 events. 17/142 cut-off events. For 96/108 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 357 event pairs, 10 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 234. Up to 44 conditions per place. [2023-11-30 01:37:23,737 INFO L140 encePairwiseOnDemand]: 76/79 looper letters, 10 selfloop transitions, 2 changer transitions 0/75 dead transitions. [2023-11-30 01:37:23,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 75 transitions, 273 flow [2023-11-30 01:37:23,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:37:23,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:37:23,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions. [2023-11-30 01:37:23,738 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9029535864978903 [2023-11-30 01:37:23,738 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 214 transitions. [2023-11-30 01:37:23,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 214 transitions. [2023-11-30 01:37:23,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:23,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 214 transitions. [2023-11-30 01:37:23,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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 01:37:23,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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 01:37:23,742 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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 01:37:23,743 INFO L307 CegarLoopForPetriNet]: 82 programPoint places, 3 predicate places. [2023-11-30 01:37:23,744 INFO L500 AbstractCegarLoop]: Abstraction has has 85 places, 75 transitions, 273 flow [2023-11-30 01:37:23,744 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 01:37:23,744 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:23,745 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:37:23,745 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 01:37:23,745 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-30 01:37:23,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:23,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1290552175, now seen corresponding path program 1 times [2023-11-30 01:37:23,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:23,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992763679] [2023-11-30 01:37:23,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:23,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:23,818 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 01:37:23,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:23,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992763679] [2023-11-30 01:37:23,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992763679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:23,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:23,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:37:23,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412549164] [2023-11-30 01:37:23,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:23,820 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:37:23,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:23,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:37:23,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:37:23,822 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 79 [2023-11-30 01:37:23,823 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 75 transitions, 273 flow. Second operand has 3 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 01:37:23,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:23,823 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 79 [2023-11-30 01:37:23,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:23,860 INFO L124 PetriNetUnfolderBase]: 19/137 cut-off events. [2023-11-30 01:37:23,861 INFO L125 PetriNetUnfolderBase]: For 177/236 co-relation queries the response was YES. [2023-11-30 01:37:23,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 137 events. 19/137 cut-off events. For 177/236 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 347 event pairs, 9 based on Foata normal form. 1/131 useless extension candidates. Maximal degree in co-relation 273. Up to 46 conditions per place. [2023-11-30 01:37:23,863 INFO L140 encePairwiseOnDemand]: 76/79 looper letters, 12 selfloop transitions, 2 changer transitions 6/76 dead transitions. [2023-11-30 01:37:23,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 76 transitions, 321 flow [2023-11-30 01:37:23,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:37:23,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:37:23,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions. [2023-11-30 01:37:23,865 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8649789029535865 [2023-11-30 01:37:23,865 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 205 transitions. [2023-11-30 01:37:23,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 205 transitions. [2023-11-30 01:37:23,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:23,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 205 transitions. [2023-11-30 01:37:23,866 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 01:37:23,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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 01:37:23,867 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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 01:37:23,869 INFO L307 CegarLoopForPetriNet]: 82 programPoint places, 4 predicate places. [2023-11-30 01:37:23,870 INFO L500 AbstractCegarLoop]: Abstraction has has 86 places, 76 transitions, 321 flow [2023-11-30 01:37:23,870 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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 01:37:23,870 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:23,870 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:37:23,870 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 01:37:23,870 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-30 01:37:23,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:23,873 INFO L85 PathProgramCache]: Analyzing trace with hash -254547248, now seen corresponding path program 1 times [2023-11-30 01:37:23,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:23,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664726440] [2023-11-30 01:37:23,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:23,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:23,929 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 01:37:23,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:23,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664726440] [2023-11-30 01:37:23,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664726440] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:23,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:23,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:37:23,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839684382] [2023-11-30 01:37:23,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:23,930 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:37:23,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:23,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:37:23,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:37:23,931 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 79 [2023-11-30 01:37:23,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 76 transitions, 321 flow. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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 01:37:23,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:23,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 79 [2023-11-30 01:37:23,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:23,972 INFO L124 PetriNetUnfolderBase]: 18/131 cut-off events. [2023-11-30 01:37:23,972 INFO L125 PetriNetUnfolderBase]: For 228/310 co-relation queries the response was YES. [2023-11-30 01:37:23,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 131 events. 18/131 cut-off events. For 228/310 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 312 event pairs, 8 based on Foata normal form. 1/128 useless extension candidates. Maximal degree in co-relation 292. Up to 42 conditions per place. [2023-11-30 01:37:23,973 INFO L140 encePairwiseOnDemand]: 76/79 looper letters, 0 selfloop transitions, 0 changer transitions 75/75 dead transitions. [2023-11-30 01:37:23,973 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 75 transitions, 349 flow [2023-11-30 01:37:23,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:37:23,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:37:23,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 200 transitions. [2023-11-30 01:37:23,974 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8438818565400844 [2023-11-30 01:37:23,974 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 200 transitions. [2023-11-30 01:37:23,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 200 transitions. [2023-11-30 01:37:23,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:23,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 200 transitions. [2023-11-30 01:37:23,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 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 01:37:23,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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 01:37:23,976 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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 01:37:23,978 INFO L307 CegarLoopForPetriNet]: 82 programPoint places, 5 predicate places. [2023-11-30 01:37:23,978 INFO L500 AbstractCegarLoop]: Abstraction has has 87 places, 75 transitions, 349 flow [2023-11-30 01:37:23,978 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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 01:37:23,988 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/04-mutex_43-thread_create_nr.i_BEv2_AllErrorsAtOnce [2023-11-30 01:37:24,012 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2023-11-30 01:37:24,012 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-11-30 01:37:24,013 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2023-11-30 01:37:24,013 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2023-11-30 01:37:24,013 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2023-11-30 01:37:24,013 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2023-11-30 01:37:24,013 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2023-11-30 01:37:24,013 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-11-30 01:37:24,013 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-11-30 01:37:24,013 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2023-11-30 01:37:24,013 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 01:37:24,014 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-30 01:37:24,019 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 01:37:24,020 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 01:37:24,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:37:24 BasicIcfg [2023-11-30 01:37:24,031 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 01:37:24,032 INFO L158 Benchmark]: Toolchain (without parser) took 1964.83ms. Allocated memory is still 593.5MB. Free memory was 548.1MB in the beginning and 548.6MB in the end (delta: -487.8kB). Peak memory consumption was 99.8MB. Max. memory is 16.0GB. [2023-11-30 01:37:24,032 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 331.4MB. Free memory is still 280.4MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 01:37:24,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.77ms. Allocated memory is still 593.5MB. Free memory was 547.8MB in the beginning and 520.2MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2023-11-30 01:37:24,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.42ms. Allocated memory is still 593.5MB. Free memory was 520.2MB in the beginning and 518.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 01:37:24,033 INFO L158 Benchmark]: Boogie Preprocessor took 34.44ms. Allocated memory is still 593.5MB. Free memory was 517.8MB in the beginning and 516.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 01:37:24,034 INFO L158 Benchmark]: RCFGBuilder took 367.61ms. Allocated memory is still 593.5MB. Free memory was 516.5MB in the beginning and 502.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2023-11-30 01:37:24,035 INFO L158 Benchmark]: TraceAbstraction took 1084.00ms. Allocated memory is still 593.5MB. Free memory was 501.8MB in the beginning and 548.6MB in the end (delta: -46.8MB). Peak memory consumption was 53.7MB. Max. memory is 16.0GB. [2023-11-30 01:37:24,037 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 331.4MB. Free memory is still 280.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 430.77ms. Allocated memory is still 593.5MB. Free memory was 547.8MB in the beginning and 520.2MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 43.42ms. Allocated memory is still 593.5MB. Free memory was 520.2MB in the beginning and 518.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 34.44ms. Allocated memory is still 593.5MB. Free memory was 517.8MB in the beginning and 516.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 367.61ms. Allocated memory is still 593.5MB. Free memory was 516.5MB in the beginning and 502.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 1084.00ms. Allocated memory is still 593.5MB. Free memory was 501.8MB in the beginning and 548.6MB in the end (delta: -46.8MB). Peak memory consumption was 53.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 929]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: 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, 98 locations, 10 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: 1.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 55 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94 IncrementalHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 55 mSDtfsCounter, 94 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=349occurred in iteration=6, 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, 0.3s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 01:37:24,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...