/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_51-mutex_ptr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 01:37:27,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 01:37:27,134 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 01:37:27,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 01:37:27,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 01:37:27,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 01:37:27,152 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 01:37:27,152 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 01:37:27,152 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 01:37:27,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 01:37:27,153 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 01:37:27,153 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 01:37:27,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 01:37:27,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 01:37:27,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 01:37:27,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 01:37:27,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 01:37:27,154 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 01:37:27,154 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 01:37:27,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 01:37:27,155 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 01:37:27,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 01:37:27,158 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 01:37:27,158 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 01:37:27,161 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 01:37:27,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:37:27,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 01:37:27,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 01:37:27,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 01:37:27,162 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 01:37:27,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 01:37:27,163 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 01:37:27,163 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 01:37:27,163 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 01:37:27,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 01:37:27,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 01:37:27,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 01:37:27,339 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 01:37:27,339 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 01:37:27,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_51-mutex_ptr.i [2023-11-30 01:37:28,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 01:37:28,482 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 01:37:28,483 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_51-mutex_ptr.i [2023-11-30 01:37:28,502 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff69db0c4/7c6a5a89ba794be9825e4eb6b183bd36/FLAG21d301391 [2023-11-30 01:37:28,511 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff69db0c4/7c6a5a89ba794be9825e4eb6b183bd36 [2023-11-30 01:37:28,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 01:37:28,515 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 01:37:28,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 01:37:28,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 01:37:28,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 01:37:28,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:37:28" (1/1) ... [2023-11-30 01:37:28,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f0d372e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:28, skipping insertion in model container [2023-11-30 01:37:28,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:37:28" (1/1) ... [2023-11-30 01:37:28,556 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 01:37:28,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:37:28,881 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 01:37:28,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:37:28,970 INFO L206 MainTranslator]: Completed translation [2023-11-30 01:37:28,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:28 WrapperNode [2023-11-30 01:37:28,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 01:37:28,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 01:37:28,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 01:37:28,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 01:37:28,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:28" (1/1) ... [2023-11-30 01:37:29,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:28" (1/1) ... [2023-11-30 01:37:29,027 INFO L138 Inliner]: procedures = 263, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2023-11-30 01:37:29,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 01:37:29,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 01:37:29,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 01:37:29,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 01:37:29,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:28" (1/1) ... [2023-11-30 01:37:29,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:28" (1/1) ... [2023-11-30 01:37:29,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:28" (1/1) ... [2023-11-30 01:37:29,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:28" (1/1) ... [2023-11-30 01:37:29,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:28" (1/1) ... [2023-11-30 01:37:29,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:28" (1/1) ... [2023-11-30 01:37:29,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:28" (1/1) ... [2023-11-30 01:37:29,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:28" (1/1) ... [2023-11-30 01:37:29,062 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 01:37:29,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 01:37:29,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 01:37:29,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 01:37:29,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:28" (1/1) ... [2023-11-30 01:37:29,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:37:29,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 01:37:29,093 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 01:37:29,122 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 01:37:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 01:37:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 01:37:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 01:37:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 01:37:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 01:37:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 01:37:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 01:37:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 01:37:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 01:37:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 01:37:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 01:37:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 01:37:29,128 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 01:37:29,234 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 01:37:29,236 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 01:37:29,407 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 01:37:29,432 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 01:37:29,433 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 01:37:29,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:37:29 BoogieIcfgContainer [2023-11-30 01:37:29,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 01:37:29,435 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 01:37:29,435 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 01:37:29,437 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 01:37:29,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:37:28" (1/3) ... [2023-11-30 01:37:29,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234c44a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:37:29, skipping insertion in model container [2023-11-30 01:37:29,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:28" (2/3) ... [2023-11-30 01:37:29,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234c44a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:37:29, skipping insertion in model container [2023-11-30 01:37:29,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:37:29" (3/3) ... [2023-11-30 01:37:29,439 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_51-mutex_ptr.i [2023-11-30 01:37:29,450 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 01:37:29,450 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-11-30 01:37:29,450 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 01:37:29,487 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-30 01:37:29,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 122 transitions, 251 flow [2023-11-30 01:37:29,565 INFO L124 PetriNetUnfolderBase]: 0/121 cut-off events. [2023-11-30 01:37:29,565 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 01:37:29,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 121 events. 0/121 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 98 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-11-30 01:37:29,572 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 122 transitions, 251 flow [2023-11-30 01:37:29,575 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 117 places, 113 transitions, 229 flow [2023-11-30 01:37:29,588 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 01:37:29,593 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;@5d4a0860, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 01:37:29,593 INFO L363 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2023-11-30 01:37:29,597 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 01:37:29,597 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2023-11-30 01:37:29,598 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:37:29,598 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:29,598 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 01:37:29,599 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-30 01:37:29,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:29,602 INFO L85 PathProgramCache]: Analyzing trace with hash 2114274210, now seen corresponding path program 1 times [2023-11-30 01:37:29,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:29,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929780833] [2023-11-30 01:37:29,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:29,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:29,757 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 01:37:29,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:29,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929780833] [2023-11-30 01:37:29,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929780833] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:29,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:29,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:37:29,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519055180] [2023-11-30 01:37:29,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:29,766 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:37:29,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:29,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:37:29,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:37:29,793 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 122 [2023-11-30 01:37:29,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 113 transitions, 229 flow. Second operand has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 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 01:37:29,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:29,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 122 [2023-11-30 01:37:29,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:29,946 INFO L124 PetriNetUnfolderBase]: 121/724 cut-off events. [2023-11-30 01:37:29,946 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 01:37:29,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 999 conditions, 724 events. 121/724 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4075 event pairs, 121 based on Foata normal form. 0/603 useless extension candidates. Maximal degree in co-relation 952. Up to 269 conditions per place. [2023-11-30 01:37:29,954 INFO L140 encePairwiseOnDemand]: 119/122 looper letters, 26 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2023-11-30 01:37:29,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 112 transitions, 283 flow [2023-11-30 01:37:29,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:37:29,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:37:29,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 302 transitions. [2023-11-30 01:37:29,967 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.825136612021858 [2023-11-30 01:37:29,968 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 302 transitions. [2023-11-30 01:37:29,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 302 transitions. [2023-11-30 01:37:29,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:29,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 302 transitions. [2023-11-30 01:37:29,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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 01:37:29,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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 01:37:29,979 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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 01:37:29,982 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 1 predicate places. [2023-11-30 01:37:29,982 INFO L500 AbstractCegarLoop]: Abstraction has has 118 places, 112 transitions, 283 flow [2023-11-30 01:37:29,982 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 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 01:37:29,982 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:29,983 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] [2023-11-30 01:37:29,983 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 01:37:29,983 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-30 01:37:29,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:29,984 INFO L85 PathProgramCache]: Analyzing trace with hash -412247015, now seen corresponding path program 1 times [2023-11-30 01:37:29,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:29,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960732118] [2023-11-30 01:37:29,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:29,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:30,057 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 01:37:30,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:30,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960732118] [2023-11-30 01:37:30,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960732118] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:30,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:30,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:37:30,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728232092] [2023-11-30 01:37:30,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:30,059 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:37:30,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:30,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:37:30,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:37:30,060 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 122 [2023-11-30 01:37:30,060 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 112 transitions, 283 flow. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 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 01:37:30,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:30,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 122 [2023-11-30 01:37:30,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:30,144 INFO L124 PetriNetUnfolderBase]: 64/498 cut-off events. [2023-11-30 01:37:30,144 INFO L125 PetriNetUnfolderBase]: For 27/37 co-relation queries the response was YES. [2023-11-30 01:37:30,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 801 conditions, 498 events. 64/498 cut-off events. For 27/37 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2435 event pairs, 56 based on Foata normal form. 0/462 useless extension candidates. Maximal degree in co-relation 750. Up to 149 conditions per place. [2023-11-30 01:37:30,147 INFO L140 encePairwiseOnDemand]: 114/122 looper letters, 19 selfloop transitions, 2 changer transitions 0/108 dead transitions. [2023-11-30 01:37:30,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 108 transitions, 309 flow [2023-11-30 01:37:30,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:37:30,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:37:30,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 312 transitions. [2023-11-30 01:37:30,150 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8524590163934426 [2023-11-30 01:37:30,150 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 312 transitions. [2023-11-30 01:37:30,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 312 transitions. [2023-11-30 01:37:30,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:30,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 312 transitions. [2023-11-30 01:37:30,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 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 01:37:30,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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 01:37:30,153 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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 01:37:30,154 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, -3 predicate places. [2023-11-30 01:37:30,154 INFO L500 AbstractCegarLoop]: Abstraction has has 114 places, 108 transitions, 309 flow [2023-11-30 01:37:30,154 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 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 01:37:30,154 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:30,155 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, 1, 1] [2023-11-30 01:37:30,155 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 01:37:30,156 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-30 01:37:30,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:30,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1643530143, now seen corresponding path program 1 times [2023-11-30 01:37:30,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:30,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966334020] [2023-11-30 01:37:30,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:30,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:30,603 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 01:37:30,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:30,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966334020] [2023-11-30 01:37:30,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966334020] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:30,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:30,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:37:30,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791041871] [2023-11-30 01:37:30,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:30,607 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:37:30,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:30,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:37:30,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:37:30,609 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 122 [2023-11-30 01:37:30,609 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 108 transitions, 309 flow. Second operand has 6 states, 6 states have (on average 82.66666666666667) internal successors, (496), 6 states have internal predecessors, (496), 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 01:37:30,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:30,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 122 [2023-11-30 01:37:30,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:30,884 INFO L124 PetriNetUnfolderBase]: 417/1282 cut-off events. [2023-11-30 01:37:30,885 INFO L125 PetriNetUnfolderBase]: For 193/439 co-relation queries the response was YES. [2023-11-30 01:37:30,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2692 conditions, 1282 events. 417/1282 cut-off events. For 193/439 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 7603 event pairs, 280 based on Foata normal form. 0/1165 useless extension candidates. Maximal degree in co-relation 2637. Up to 688 conditions per place. [2023-11-30 01:37:30,893 INFO L140 encePairwiseOnDemand]: 111/122 looper letters, 84 selfloop transitions, 22 changer transitions 0/174 dead transitions. [2023-11-30 01:37:30,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 174 transitions, 685 flow [2023-11-30 01:37:30,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:37:30,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:37:30,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 593 transitions. [2023-11-30 01:37:30,898 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8101092896174863 [2023-11-30 01:37:30,898 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 593 transitions. [2023-11-30 01:37:30,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 593 transitions. [2023-11-30 01:37:30,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:30,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 593 transitions. [2023-11-30 01:37:30,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 98.83333333333333) internal successors, (593), 6 states have internal predecessors, (593), 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 01:37:30,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 01:37:30,901 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 01:37:30,901 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 2 predicate places. [2023-11-30 01:37:30,901 INFO L500 AbstractCegarLoop]: Abstraction has has 119 places, 174 transitions, 685 flow [2023-11-30 01:37:30,902 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 82.66666666666667) internal successors, (496), 6 states have internal predecessors, (496), 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 01:37:30,902 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:30,902 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, 1, 1, 1] [2023-11-30 01:37:30,902 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 01:37:30,902 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-30 01:37:30,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:30,903 INFO L85 PathProgramCache]: Analyzing trace with hash -48987195, now seen corresponding path program 1 times [2023-11-30 01:37:30,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:30,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955399413] [2023-11-30 01:37:30,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:30,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:31,140 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 01:37:31,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:31,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955399413] [2023-11-30 01:37:31,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955399413] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:31,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:31,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:37:31,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083317251] [2023-11-30 01:37:31,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:31,144 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:37:31,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:31,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:37:31,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:37:31,146 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 122 [2023-11-30 01:37:31,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 174 transitions, 685 flow. Second operand has 6 states, 6 states have (on average 84.5) internal successors, (507), 6 states have internal predecessors, (507), 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 01:37:31,146 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:31,146 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 122 [2023-11-30 01:37:31,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:31,425 INFO L124 PetriNetUnfolderBase]: 518/1504 cut-off events. [2023-11-30 01:37:31,426 INFO L125 PetriNetUnfolderBase]: For 450/810 co-relation queries the response was YES. [2023-11-30 01:37:31,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4125 conditions, 1504 events. 518/1504 cut-off events. For 450/810 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 9157 event pairs, 228 based on Foata normal form. 0/1383 useless extension candidates. Maximal degree in co-relation 4068. Up to 843 conditions per place. [2023-11-30 01:37:31,433 INFO L140 encePairwiseOnDemand]: 111/122 looper letters, 139 selfloop transitions, 42 changer transitions 0/252 dead transitions. [2023-11-30 01:37:31,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 252 transitions, 1389 flow [2023-11-30 01:37:31,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:37:31,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:37:31,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 619 transitions. [2023-11-30 01:37:31,435 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8456284153005464 [2023-11-30 01:37:31,435 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 619 transitions. [2023-11-30 01:37:31,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 619 transitions. [2023-11-30 01:37:31,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:31,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 619 transitions. [2023-11-30 01:37:31,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 103.16666666666667) internal successors, (619), 6 states have internal predecessors, (619), 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 01:37:31,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 01:37:31,438 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 01:37:31,439 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 7 predicate places. [2023-11-30 01:37:31,440 INFO L500 AbstractCegarLoop]: Abstraction has has 124 places, 252 transitions, 1389 flow [2023-11-30 01:37:31,440 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 84.5) internal successors, (507), 6 states have internal predecessors, (507), 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 01:37:31,440 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:31,440 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:37:31,440 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 01:37:31,441 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-30 01:37:31,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:31,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1982696841, now seen corresponding path program 1 times [2023-11-30 01:37:31,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:31,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929079496] [2023-11-30 01:37:31,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:31,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:31,693 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 01:37:31,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:31,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929079496] [2023-11-30 01:37:31,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929079496] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:31,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:31,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:37:31,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096531420] [2023-11-30 01:37:31,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:31,695 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:37:31,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:31,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:37:31,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:37:31,697 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 122 [2023-11-30 01:37:31,697 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 252 transitions, 1389 flow. Second operand has 6 states, 6 states have (on average 80.0) internal successors, (480), 6 states have internal predecessors, (480), 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 01:37:31,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:31,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 122 [2023-11-30 01:37:31,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:32,054 INFO L124 PetriNetUnfolderBase]: 628/1732 cut-off events. [2023-11-30 01:37:32,054 INFO L125 PetriNetUnfolderBase]: For 1108/1784 co-relation queries the response was YES. [2023-11-30 01:37:32,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5954 conditions, 1732 events. 628/1732 cut-off events. For 1108/1784 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 10792 event pairs, 199 based on Foata normal form. 0/1602 useless extension candidates. Maximal degree in co-relation 5892. Up to 1086 conditions per place. [2023-11-30 01:37:32,064 INFO L140 encePairwiseOnDemand]: 107/122 looper letters, 206 selfloop transitions, 57 changer transitions 0/329 dead transitions. [2023-11-30 01:37:32,064 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 329 transitions, 2405 flow [2023-11-30 01:37:32,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:37:32,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:37:32,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 571 transitions. [2023-11-30 01:37:32,065 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7800546448087432 [2023-11-30 01:37:32,065 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 571 transitions. [2023-11-30 01:37:32,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 571 transitions. [2023-11-30 01:37:32,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:32,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 571 transitions. [2023-11-30 01:37:32,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 95.16666666666667) internal successors, (571), 6 states have internal predecessors, (571), 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 01:37:32,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 01:37:32,068 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 01:37:32,069 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 12 predicate places. [2023-11-30 01:37:32,069 INFO L500 AbstractCegarLoop]: Abstraction has has 129 places, 329 transitions, 2405 flow [2023-11-30 01:37:32,069 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.0) internal successors, (480), 6 states have internal predecessors, (480), 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 01:37:32,069 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:32,069 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:37:32,069 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 01:37:32,070 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-30 01:37:32,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:32,070 INFO L85 PathProgramCache]: Analyzing trace with hash 188652116, now seen corresponding path program 1 times [2023-11-30 01:37:32,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:32,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076420228] [2023-11-30 01:37:32,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:32,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:32,259 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 01:37:32,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:32,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076420228] [2023-11-30 01:37:32,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076420228] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:32,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:32,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:37:32,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274655076] [2023-11-30 01:37:32,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:32,260 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:37:32,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:32,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:37:32,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:37:32,261 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 122 [2023-11-30 01:37:32,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 329 transitions, 2405 flow. Second operand has 6 states, 6 states have (on average 83.66666666666667) internal successors, (502), 6 states have internal predecessors, (502), 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 01:37:32,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:32,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 122 [2023-11-30 01:37:32,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:32,630 INFO L124 PetriNetUnfolderBase]: 812/2129 cut-off events. [2023-11-30 01:37:32,630 INFO L125 PetriNetUnfolderBase]: For 2144/2914 co-relation queries the response was YES. [2023-11-30 01:37:32,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8777 conditions, 2129 events. 812/2129 cut-off events. For 2144/2914 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 13522 event pairs, 173 based on Foata normal form. 0/1984 useless extension candidates. Maximal degree in co-relation 8713. Up to 1331 conditions per place. [2023-11-30 01:37:32,643 INFO L140 encePairwiseOnDemand]: 103/122 looper letters, 273 selfloop transitions, 91 changer transitions 0/434 dead transitions. [2023-11-30 01:37:32,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 434 transitions, 3999 flow [2023-11-30 01:37:32,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:37:32,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:37:32,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 612 transitions. [2023-11-30 01:37:32,645 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8360655737704918 [2023-11-30 01:37:32,645 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 612 transitions. [2023-11-30 01:37:32,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 612 transitions. [2023-11-30 01:37:32,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:32,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 612 transitions. [2023-11-30 01:37:32,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 102.0) internal successors, (612), 6 states have internal predecessors, (612), 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 01:37:32,647 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 01:37:32,648 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 01:37:32,650 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 17 predicate places. [2023-11-30 01:37:32,650 INFO L500 AbstractCegarLoop]: Abstraction has has 134 places, 434 transitions, 3999 flow [2023-11-30 01:37:32,651 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 83.66666666666667) internal successors, (502), 6 states have internal predecessors, (502), 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 01:37:32,651 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:32,651 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:37:32,651 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 01:37:32,651 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-30 01:37:32,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:32,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1288042488, now seen corresponding path program 1 times [2023-11-30 01:37:32,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:32,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666925421] [2023-11-30 01:37:32,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:32,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:32,727 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 01:37:32,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:32,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666925421] [2023-11-30 01:37:32,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666925421] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:32,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:32,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 01:37:32,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592518587] [2023-11-30 01:37:32,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:32,731 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:37:32,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:32,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:37:32,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:37:32,732 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 122 [2023-11-30 01:37:32,732 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 434 transitions, 3999 flow. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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 01:37:32,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:32,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 122 [2023-11-30 01:37:32,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:32,816 INFO L124 PetriNetUnfolderBase]: 205/734 cut-off events. [2023-11-30 01:37:32,816 INFO L125 PetriNetUnfolderBase]: For 1124/1264 co-relation queries the response was YES. [2023-11-30 01:37:32,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2978 conditions, 734 events. 205/734 cut-off events. For 1124/1264 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3503 event pairs, 81 based on Foata normal form. 34/731 useless extension candidates. Maximal degree in co-relation 2910. Up to 429 conditions per place. [2023-11-30 01:37:32,820 INFO L140 encePairwiseOnDemand]: 118/122 looper letters, 7 selfloop transitions, 4 changer transitions 8/168 dead transitions. [2023-11-30 01:37:32,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 168 transitions, 1231 flow [2023-11-30 01:37:32,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:37:32,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:37:32,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 349 transitions. [2023-11-30 01:37:32,821 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.953551912568306 [2023-11-30 01:37:32,822 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 349 transitions. [2023-11-30 01:37:32,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 349 transitions. [2023-11-30 01:37:32,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:32,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 349 transitions. [2023-11-30 01:37:32,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 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 01:37:32,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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 01:37:32,823 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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 01:37:32,824 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 16 predicate places. [2023-11-30 01:37:32,824 INFO L500 AbstractCegarLoop]: Abstraction has has 133 places, 168 transitions, 1231 flow [2023-11-30 01:37:32,824 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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 01:37:32,824 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:32,824 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:37:32,824 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 01:37:32,824 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-30 01:37:32,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:32,825 INFO L85 PathProgramCache]: Analyzing trace with hash -608640107, now seen corresponding path program 1 times [2023-11-30 01:37:32,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:32,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102913938] [2023-11-30 01:37:32,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:32,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:33,050 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 01:37:33,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:33,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102913938] [2023-11-30 01:37:33,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102913938] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:33,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:33,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:37:33,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519334408] [2023-11-30 01:37:33,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:33,051 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:37:33,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:33,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:37:33,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:37:33,053 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 122 [2023-11-30 01:37:33,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 168 transitions, 1231 flow. Second operand has 6 states, 6 states have (on average 82.66666666666667) internal successors, (496), 6 states have internal predecessors, (496), 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 01:37:33,053 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:33,053 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 122 [2023-11-30 01:37:33,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:33,219 INFO L124 PetriNetUnfolderBase]: 235/838 cut-off events. [2023-11-30 01:37:33,219 INFO L125 PetriNetUnfolderBase]: For 1303/1443 co-relation queries the response was YES. [2023-11-30 01:37:33,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3842 conditions, 838 events. 235/838 cut-off events. For 1303/1443 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4040 event pairs, 84 based on Foata normal form. 0/803 useless extension candidates. Maximal degree in co-relation 3769. Up to 486 conditions per place. [2023-11-30 01:37:33,224 INFO L140 encePairwiseOnDemand]: 112/122 looper letters, 83 selfloop transitions, 41 changer transitions 25/228 dead transitions. [2023-11-30 01:37:33,224 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 228 transitions, 2175 flow [2023-11-30 01:37:33,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:37:33,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:37:33,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 567 transitions. [2023-11-30 01:37:33,225 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7745901639344263 [2023-11-30 01:37:33,225 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 567 transitions. [2023-11-30 01:37:33,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 567 transitions. [2023-11-30 01:37:33,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:33,226 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 567 transitions. [2023-11-30 01:37:33,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 94.5) internal successors, (567), 6 states have internal predecessors, (567), 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 01:37:33,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 01:37:33,228 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 01:37:33,230 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 21 predicate places. [2023-11-30 01:37:33,230 INFO L500 AbstractCegarLoop]: Abstraction has has 138 places, 228 transitions, 2175 flow [2023-11-30 01:37:33,230 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 82.66666666666667) internal successors, (496), 6 states have internal predecessors, (496), 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 01:37:33,230 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:33,231 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, 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 01:37:33,231 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 01:37:33,232 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-30 01:37:33,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:33,232 INFO L85 PathProgramCache]: Analyzing trace with hash 373473142, now seen corresponding path program 1 times [2023-11-30 01:37:33,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:33,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895020164] [2023-11-30 01:37:33,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:33,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:33,675 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 01:37:33,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:33,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895020164] [2023-11-30 01:37:33,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895020164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:33,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:33,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-30 01:37:33,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148677768] [2023-11-30 01:37:33,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:33,677 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:37:33,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:33,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:37:33,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:37:33,678 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 122 [2023-11-30 01:37:33,679 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 228 transitions, 2175 flow. Second operand has 11 states, 11 states have (on average 72.45454545454545) internal successors, (797), 11 states have internal predecessors, (797), 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 01:37:33,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:33,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 122 [2023-11-30 01:37:33,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:34,002 INFO L124 PetriNetUnfolderBase]: 229/889 cut-off events. [2023-11-30 01:37:34,002 INFO L125 PetriNetUnfolderBase]: For 1386/1440 co-relation queries the response was YES. [2023-11-30 01:37:34,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4621 conditions, 889 events. 229/889 cut-off events. For 1386/1440 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4441 event pairs, 71 based on Foata normal form. 0/874 useless extension candidates. Maximal degree in co-relation 4540. Up to 500 conditions per place. [2023-11-30 01:37:34,007 INFO L140 encePairwiseOnDemand]: 112/122 looper letters, 146 selfloop transitions, 37 changer transitions 39/282 dead transitions. [2023-11-30 01:37:34,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 282 transitions, 3225 flow [2023-11-30 01:37:34,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-30 01:37:34,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-30 01:37:34,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 784 transitions. [2023-11-30 01:37:34,009 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6426229508196721 [2023-11-30 01:37:34,009 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 784 transitions. [2023-11-30 01:37:34,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 784 transitions. [2023-11-30 01:37:34,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:34,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 784 transitions. [2023-11-30 01:37:34,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 78.4) internal successors, (784), 10 states have internal predecessors, (784), 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 01:37:34,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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 01:37:34,014 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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 01:37:34,014 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 29 predicate places. [2023-11-30 01:37:34,014 INFO L500 AbstractCegarLoop]: Abstraction has has 146 places, 282 transitions, 3225 flow [2023-11-30 01:37:34,015 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 72.45454545454545) internal successors, (797), 11 states have internal predecessors, (797), 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 01:37:34,015 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:34,015 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, 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 01:37:34,015 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 01:37:34,015 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-30 01:37:34,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:34,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1203462585, now seen corresponding path program 1 times [2023-11-30 01:37:34,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:34,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229823609] [2023-11-30 01:37:34,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:34,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:34,418 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 01:37:34,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:34,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229823609] [2023-11-30 01:37:34,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229823609] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:34,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:34,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-30 01:37:34,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807600505] [2023-11-30 01:37:34,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:34,421 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:37:34,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:34,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:37:34,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:37:34,422 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 122 [2023-11-30 01:37:34,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 282 transitions, 3225 flow. Second operand has 11 states, 11 states have (on average 74.36363636363636) internal successors, (818), 11 states have internal predecessors, (818), 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 01:37:34,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:34,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 122 [2023-11-30 01:37:34,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:34,868 INFO L124 PetriNetUnfolderBase]: 308/1087 cut-off events. [2023-11-30 01:37:34,868 INFO L125 PetriNetUnfolderBase]: For 2260/2350 co-relation queries the response was YES. [2023-11-30 01:37:34,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6519 conditions, 1087 events. 308/1087 cut-off events. For 2260/2350 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 5690 event pairs, 61 based on Foata normal form. 4/1076 useless extension candidates. Maximal degree in co-relation 6430. Up to 643 conditions per place. [2023-11-30 01:37:34,873 INFO L140 encePairwiseOnDemand]: 112/122 looper letters, 109 selfloop transitions, 4 changer transitions 233/406 dead transitions. [2023-11-30 01:37:34,873 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 406 transitions, 5643 flow [2023-11-30 01:37:34,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:37:34,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:37:34,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 906 transitions. [2023-11-30 01:37:34,875 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6751117734724292 [2023-11-30 01:37:34,875 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 906 transitions. [2023-11-30 01:37:34,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 906 transitions. [2023-11-30 01:37:34,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:34,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 906 transitions. [2023-11-30 01:37:34,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 82.36363636363636) internal successors, (906), 11 states have internal predecessors, (906), 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 01:37:34,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 122.0) internal successors, (1464), 12 states have internal predecessors, (1464), 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 01:37:34,878 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 122.0) internal successors, (1464), 12 states have internal predecessors, (1464), 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 01:37:34,879 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 39 predicate places. [2023-11-30 01:37:34,879 INFO L500 AbstractCegarLoop]: Abstraction has has 156 places, 406 transitions, 5643 flow [2023-11-30 01:37:34,879 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 74.36363636363636) internal successors, (818), 11 states have internal predecessors, (818), 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 01:37:34,879 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:34,879 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, 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 01:37:34,879 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 01:37:34,879 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-30 01:37:34,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:34,880 INFO L85 PathProgramCache]: Analyzing trace with hash 458872077, now seen corresponding path program 2 times [2023-11-30 01:37:34,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:34,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268563340] [2023-11-30 01:37:34,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:34,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:35,323 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 01:37:35,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:35,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268563340] [2023-11-30 01:37:35,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268563340] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:35,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:35,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-30 01:37:35,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537621973] [2023-11-30 01:37:35,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:35,324 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:37:35,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:35,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:37:35,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:37:35,325 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 122 [2023-11-30 01:37:35,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 406 transitions, 5643 flow. Second operand has 11 states, 11 states have (on average 74.36363636363636) internal successors, (818), 11 states have internal predecessors, (818), 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 01:37:35,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:35,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 122 [2023-11-30 01:37:35,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:35,764 INFO L124 PetriNetUnfolderBase]: 322/1146 cut-off events. [2023-11-30 01:37:35,764 INFO L125 PetriNetUnfolderBase]: For 3201/3466 co-relation queries the response was YES. [2023-11-30 01:37:35,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7717 conditions, 1146 events. 322/1146 cut-off events. For 3201/3466 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 6127 event pairs, 61 based on Foata normal form. 16/1147 useless extension candidates. Maximal degree in co-relation 7620. Up to 689 conditions per place. [2023-11-30 01:37:35,773 INFO L140 encePairwiseOnDemand]: 108/122 looper letters, 95 selfloop transitions, 25 changer transitions 281/461 dead transitions. [2023-11-30 01:37:35,773 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 461 transitions, 7267 flow [2023-11-30 01:37:35,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-30 01:37:35,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-30 01:37:35,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 833 transitions. [2023-11-30 01:37:35,775 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6827868852459016 [2023-11-30 01:37:35,775 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 833 transitions. [2023-11-30 01:37:35,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 833 transitions. [2023-11-30 01:37:35,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:35,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 833 transitions. [2023-11-30 01:37:35,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 83.3) internal successors, (833), 10 states have internal predecessors, (833), 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 01:37:35,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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 01:37:35,778 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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 01:37:35,778 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 48 predicate places. [2023-11-30 01:37:35,779 INFO L500 AbstractCegarLoop]: Abstraction has has 165 places, 461 transitions, 7267 flow [2023-11-30 01:37:35,779 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 74.36363636363636) internal successors, (818), 11 states have internal predecessors, (818), 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 01:37:35,779 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:35,779 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, 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 01:37:35,779 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-30 01:37:35,779 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-30 01:37:35,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:35,780 INFO L85 PathProgramCache]: Analyzing trace with hash 144201991, now seen corresponding path program 3 times [2023-11-30 01:37:35,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:35,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21093423] [2023-11-30 01:37:35,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:35,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:36,246 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 01:37:36,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:36,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21093423] [2023-11-30 01:37:36,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21093423] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:36,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:36,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-30 01:37:36,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902297288] [2023-11-30 01:37:36,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:36,247 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:37:36,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:36,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:37:36,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:37:36,249 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 122 [2023-11-30 01:37:36,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 461 transitions, 7267 flow. Second operand has 11 states, 11 states have (on average 74.36363636363636) internal successors, (818), 11 states have internal predecessors, (818), 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 01:37:36,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:36,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 122 [2023-11-30 01:37:36,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:36,745 INFO L124 PetriNetUnfolderBase]: 380/1297 cut-off events. [2023-11-30 01:37:36,746 INFO L125 PetriNetUnfolderBase]: For 4960/5370 co-relation queries the response was YES. [2023-11-30 01:37:36,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9526 conditions, 1297 events. 380/1297 cut-off events. For 4960/5370 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 7277 event pairs, 42 based on Foata normal form. 32/1313 useless extension candidates. Maximal degree in co-relation 9421. Up to 775 conditions per place. [2023-11-30 01:37:36,752 INFO L140 encePairwiseOnDemand]: 108/122 looper letters, 90 selfloop transitions, 6 changer transitions 442/598 dead transitions. [2023-11-30 01:37:36,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 598 transitions, 10813 flow [2023-11-30 01:37:36,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:37:36,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:37:36,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 922 transitions. [2023-11-30 01:37:36,754 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6870342771982116 [2023-11-30 01:37:36,754 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 922 transitions. [2023-11-30 01:37:36,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 922 transitions. [2023-11-30 01:37:36,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:36,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 922 transitions. [2023-11-30 01:37:36,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 83.81818181818181) internal successors, (922), 11 states have internal predecessors, (922), 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 01:37:36,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 122.0) internal successors, (1464), 12 states have internal predecessors, (1464), 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 01:37:36,758 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 122.0) internal successors, (1464), 12 states have internal predecessors, (1464), 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 01:37:36,758 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 58 predicate places. [2023-11-30 01:37:36,759 INFO L500 AbstractCegarLoop]: Abstraction has has 175 places, 598 transitions, 10813 flow [2023-11-30 01:37:36,759 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 74.36363636363636) internal successors, (818), 11 states have internal predecessors, (818), 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 01:37:36,759 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:36,759 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, 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 01:37:36,759 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-30 01:37:36,759 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-30 01:37:36,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:36,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1168306407, now seen corresponding path program 4 times [2023-11-30 01:37:36,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:36,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803876206] [2023-11-30 01:37:36,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:36,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:37,146 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 01:37:37,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:37,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803876206] [2023-11-30 01:37:37,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803876206] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:37,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:37,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-30 01:37:37,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933372491] [2023-11-30 01:37:37,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:37,147 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:37:37,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:37,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:37:37,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:37:37,149 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 122 [2023-11-30 01:37:37,149 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 598 transitions, 10813 flow. Second operand has 11 states, 11 states have (on average 74.36363636363636) internal successors, (818), 11 states have internal predecessors, (818), 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 01:37:37,149 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:37,149 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 122 [2023-11-30 01:37:37,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:37,688 INFO L124 PetriNetUnfolderBase]: 413/1482 cut-off events. [2023-11-30 01:37:37,688 INFO L125 PetriNetUnfolderBase]: For 6790/7163 co-relation queries the response was YES. [2023-11-30 01:37:37,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12071 conditions, 1482 events. 413/1482 cut-off events. For 6790/7163 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 8893 event pairs, 61 based on Foata normal form. 42/1509 useless extension candidates. Maximal degree in co-relation 11958. Up to 909 conditions per place. [2023-11-30 01:37:37,696 INFO L140 encePairwiseOnDemand]: 108/122 looper letters, 76 selfloop transitions, 18 changer transitions 526/680 dead transitions. [2023-11-30 01:37:37,697 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 680 transitions, 13691 flow [2023-11-30 01:37:37,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:37:37,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:37:37,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 919 transitions. [2023-11-30 01:37:37,699 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6847988077496274 [2023-11-30 01:37:37,699 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 919 transitions. [2023-11-30 01:37:37,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 919 transitions. [2023-11-30 01:37:37,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:37,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 919 transitions. [2023-11-30 01:37:37,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 83.54545454545455) internal successors, (919), 11 states have internal predecessors, (919), 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 01:37:37,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 122.0) internal successors, (1464), 12 states have internal predecessors, (1464), 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 01:37:37,703 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 122.0) internal successors, (1464), 12 states have internal predecessors, (1464), 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 01:37:37,703 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 68 predicate places. [2023-11-30 01:37:37,704 INFO L500 AbstractCegarLoop]: Abstraction has has 185 places, 680 transitions, 13691 flow [2023-11-30 01:37:37,704 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 74.36363636363636) internal successors, (818), 11 states have internal predecessors, (818), 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 01:37:37,704 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:37,704 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, 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 01:37:37,704 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-30 01:37:37,704 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-30 01:37:37,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:37,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1039271391, now seen corresponding path program 5 times [2023-11-30 01:37:37,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:37,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300449616] [2023-11-30 01:37:37,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:37,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:38,147 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 01:37:38,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:38,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300449616] [2023-11-30 01:37:38,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300449616] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:38,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:38,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-30 01:37:38,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620182990] [2023-11-30 01:37:38,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:38,148 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:37:38,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:38,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:37:38,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:37:38,149 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 122 [2023-11-30 01:37:38,150 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 680 transitions, 13691 flow. Second operand has 11 states, 11 states have (on average 74.36363636363636) internal successors, (818), 11 states have internal predecessors, (818), 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 01:37:38,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:38,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 122 [2023-11-30 01:37:38,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:38,740 INFO L124 PetriNetUnfolderBase]: 400/1498 cut-off events. [2023-11-30 01:37:38,740 INFO L125 PetriNetUnfolderBase]: For 8412/8829 co-relation queries the response was YES. [2023-11-30 01:37:38,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13175 conditions, 1498 events. 400/1498 cut-off events. For 8412/8829 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 9212 event pairs, 61 based on Foata normal form. 37/1532 useless extension candidates. Maximal degree in co-relation 13054. Up to 912 conditions per place. [2023-11-30 01:37:38,749 INFO L140 encePairwiseOnDemand]: 108/122 looper letters, 0 selfloop transitions, 0 changer transitions 716/716 dead transitions. [2023-11-30 01:37:38,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 716 transitions, 15811 flow [2023-11-30 01:37:38,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:37:38,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:37:38,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 920 transitions. [2023-11-30 01:37:38,751 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6855439642324889 [2023-11-30 01:37:38,751 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 920 transitions. [2023-11-30 01:37:38,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 920 transitions. [2023-11-30 01:37:38,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:38,752 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 920 transitions. [2023-11-30 01:37:38,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 83.63636363636364) internal successors, (920), 11 states have internal predecessors, (920), 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 01:37:38,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 122.0) internal successors, (1464), 12 states have internal predecessors, (1464), 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 01:37:38,755 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 122.0) internal successors, (1464), 12 states have internal predecessors, (1464), 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 01:37:38,755 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 77 predicate places. [2023-11-30 01:37:38,755 INFO L500 AbstractCegarLoop]: Abstraction has has 194 places, 716 transitions, 15811 flow [2023-11-30 01:37:38,755 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 74.36363636363636) internal successors, (818), 11 states have internal predecessors, (818), 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 01:37:38,759 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/04-mutex_51-mutex_ptr.i_BEv2_AllErrorsAtOnce [2023-11-30 01:37:38,792 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 18 remaining) [2023-11-30 01:37:38,793 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 18 remaining) [2023-11-30 01:37:38,793 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 18 remaining) [2023-11-30 01:37:38,793 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 18 remaining) [2023-11-30 01:37:38,793 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 18 remaining) [2023-11-30 01:37:38,793 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (12 of 18 remaining) [2023-11-30 01:37:38,793 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (11 of 18 remaining) [2023-11-30 01:37:38,793 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 18 remaining) [2023-11-30 01:37:38,793 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (9 of 18 remaining) [2023-11-30 01:37:38,793 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (8 of 18 remaining) [2023-11-30 01:37:38,793 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (7 of 18 remaining) [2023-11-30 01:37:38,794 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (6 of 18 remaining) [2023-11-30 01:37:38,794 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (5 of 18 remaining) [2023-11-30 01:37:38,794 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 18 remaining) [2023-11-30 01:37:38,794 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 18 remaining) [2023-11-30 01:37:38,794 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 18 remaining) [2023-11-30 01:37:38,794 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (1 of 18 remaining) [2023-11-30 01:37:38,794 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (0 of 18 remaining) [2023-11-30 01:37:38,795 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-30 01:37:38,796 INFO L457 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:37:38,799 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 01:37:38,800 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 01:37:38,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:37:38 BasicIcfg [2023-11-30 01:37:38,805 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 01:37:38,806 INFO L158 Benchmark]: Toolchain (without parser) took 10290.41ms. Allocated memory was 534.8MB in the beginning and 836.8MB in the end (delta: 302.0MB). Free memory was 490.1MB in the beginning and 544.4MB in the end (delta: -54.3MB). Peak memory consumption was 246.5MB. Max. memory is 16.0GB. [2023-11-30 01:37:38,806 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 348.1MB. Free memory was 296.7MB in the beginning and 296.6MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 01:37:38,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.72ms. Allocated memory is still 534.8MB. Free memory was 489.7MB in the beginning and 461.8MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2023-11-30 01:37:38,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.73ms. Allocated memory is still 534.8MB. Free memory was 461.8MB in the beginning and 459.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 01:37:38,807 INFO L158 Benchmark]: Boogie Preprocessor took 33.45ms. Allocated memory is still 534.8MB. Free memory was 459.2MB in the beginning and 457.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 01:37:38,808 INFO L158 Benchmark]: RCFGBuilder took 371.77ms. Allocated memory is still 534.8MB. Free memory was 457.1MB in the beginning and 438.8MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-11-30 01:37:38,808 INFO L158 Benchmark]: TraceAbstraction took 9370.03ms. Allocated memory was 534.8MB in the beginning and 836.8MB in the end (delta: 302.0MB). Free memory was 438.2MB in the beginning and 544.4MB in the end (delta: -106.2MB). Peak memory consumption was 194.1MB. Max. memory is 16.0GB. [2023-11-30 01:37:38,809 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 348.1MB. Free memory was 296.7MB in the beginning and 296.6MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 454.72ms. Allocated memory is still 534.8MB. Free memory was 489.7MB in the beginning and 461.8MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 56.73ms. Allocated memory is still 534.8MB. Free memory was 461.8MB in the beginning and 459.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 33.45ms. Allocated memory is still 534.8MB. Free memory was 459.2MB in the beginning and 457.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 371.77ms. Allocated memory is still 534.8MB. Free memory was 457.1MB in the beginning and 438.8MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 9370.03ms. Allocated memory was 534.8MB in the beginning and 836.8MB in the end (delta: 302.0MB). Free memory was 438.2MB in the beginning and 544.4MB in the end (delta: -106.2MB). Peak memory consumption was 194.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 933]: 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: 936]: 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: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 939]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 926]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 926]: 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, 161 locations, 18 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: 9.3s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 932 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 932 mSDsluCounter, 363 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 349 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3386 IncrementalHoareTripleChecker+Invalid, 3735 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 349 mSolverCounterUnsat, 272 mSDtfsCounter, 3386 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15811occurred in iteration=14, InterpolantAutomatonStates: 103, 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, 3.9s InterpolantComputationTime, 965 NumberOfCodeBlocks, 965 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 951 ConstructedInterpolants, 0 QuantifiedInterpolants, 7930 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 01:37:38,826 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...