/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/weaver/parallel-misc-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 03:05:03,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 03:05:03,196 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 03:05:03,223 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 03:05:03,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 03:05:03,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 03:05:03,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 03:05:03,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 03:05:03,224 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 03:05:03,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 03:05:03,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 03:05:03,228 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 03:05:03,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 03:05:03,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 03:05:03,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 03:05:03,229 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 03:05:03,229 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 03:05:03,229 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 03:05:03,229 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 03:05:03,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 03:05:03,230 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 03:05:03,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 03:05:03,230 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 03:05:03,230 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 03:05:03,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 03:05:03,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 03:05:03,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 03:05:03,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 03:05:03,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 03:05:03,232 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 03:05:03,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 03:05:03,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 03:05:03,233 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 03:05:03,233 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 03:05:03,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 03:05:03,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 03:05:03,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 03:05:03,409 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 03:05:03,410 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 03:05:03,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2023-11-30 03:05:04,466 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 03:05:04,609 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 03:05:04,610 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2023-11-30 03:05:04,614 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df6dee76d/3d29ae13248d4a9aa8d425e921e126ab/FLAG9dded4d9b [2023-11-30 03:05:04,628 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df6dee76d/3d29ae13248d4a9aa8d425e921e126ab [2023-11-30 03:05:04,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 03:05:04,630 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 03:05:04,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 03:05:04,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 03:05:04,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 03:05:04,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:05:04" (1/1) ... [2023-11-30 03:05:04,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec5fbaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:05:04, skipping insertion in model container [2023-11-30 03:05:04,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:05:04" (1/1) ... [2023-11-30 03:05:04,656 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 03:05:04,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 03:05:04,817 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 03:05:04,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 03:05:04,866 INFO L206 MainTranslator]: Completed translation [2023-11-30 03:05:04,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:05:04 WrapperNode [2023-11-30 03:05:04,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 03:05:04,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 03:05:04,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 03:05:04,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 03:05:04,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:05:04" (1/1) ... [2023-11-30 03:05:04,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:05:04" (1/1) ... [2023-11-30 03:05:04,926 INFO L138 Inliner]: procedures = 23, calls = 42, calls flagged for inlining = 18, calls inlined = 32, statements flattened = 530 [2023-11-30 03:05:04,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 03:05:04,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 03:05:04,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 03:05:04,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 03:05:04,935 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:05:04" (1/1) ... [2023-11-30 03:05:04,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:05:04" (1/1) ... [2023-11-30 03:05:04,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:05:04" (1/1) ... [2023-11-30 03:05:04,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:05:04" (1/1) ... [2023-11-30 03:05:04,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:05:04" (1/1) ... [2023-11-30 03:05:04,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:05:04" (1/1) ... [2023-11-30 03:05:04,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:05:04" (1/1) ... [2023-11-30 03:05:04,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:05:04" (1/1) ... [2023-11-30 03:05:04,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 03:05:04,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 03:05:04,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 03:05:04,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 03:05:04,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:05:04" (1/1) ... [2023-11-30 03:05:04,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 03:05:04,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 03:05:05,002 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 03:05:05,007 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 03:05:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 03:05:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-30 03:05:05,022 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-30 03:05:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-30 03:05:05,022 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-30 03:05:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 03:05:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 03:05:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 03:05:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-30 03:05:05,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 03:05:05,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 03:05:05,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 03:05:05,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 03:05:05,025 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 03:05:05,105 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 03:05:05,106 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 03:05:05,640 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 03:05:05,663 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 03:05:05,663 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-30 03:05:05,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:05:05 BoogieIcfgContainer [2023-11-30 03:05:05,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 03:05:05,666 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 03:05:05,666 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 03:05:05,668 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 03:05:05,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 03:05:04" (1/3) ... [2023-11-30 03:05:05,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1774ef0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:05:05, skipping insertion in model container [2023-11-30 03:05:05,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:05:04" (2/3) ... [2023-11-30 03:05:05,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1774ef0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:05:05, skipping insertion in model container [2023-11-30 03:05:05,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:05:05" (3/3) ... [2023-11-30 03:05:05,670 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2023-11-30 03:05:05,681 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 03:05:05,681 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2023-11-30 03:05:05,681 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 03:05:05,814 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-30 03:05:05,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 700 places, 726 transitions, 1466 flow [2023-11-30 03:05:06,068 INFO L124 PetriNetUnfolderBase]: 33/724 cut-off events. [2023-11-30 03:05:06,069 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-30 03:05:06,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 733 conditions, 724 events. 33/724 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1883 event pairs, 0 based on Foata normal form. 0/616 useless extension candidates. Maximal degree in co-relation 463. Up to 2 conditions per place. [2023-11-30 03:05:06,089 INFO L82 GeneralOperation]: Start removeDead. Operand has 700 places, 726 transitions, 1466 flow [2023-11-30 03:05:06,101 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 678 places, 703 transitions, 1418 flow [2023-11-30 03:05:06,113 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 03:05:06,119 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;@50189cdb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 03:05:06,120 INFO L363 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2023-11-30 03:05:06,123 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 03:05:06,124 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2023-11-30 03:05:06,124 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 03:05:06,124 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:05:06,124 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] [2023-11-30 03:05:06,125 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-30 03:05:06,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:05:06,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1061142959, now seen corresponding path program 1 times [2023-11-30 03:05:06,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:05:06,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444540430] [2023-11-30 03:05:06,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:05:06,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:05:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:05:06,294 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 03:05:06,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:05:06,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444540430] [2023-11-30 03:05:06,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444540430] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:05:06,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:05:06,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:05:06,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952707278] [2023-11-30 03:05:06,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:05:06,303 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:05:06,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:05:06,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:05:06,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:05:06,334 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 655 out of 726 [2023-11-30 03:05:06,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 678 places, 703 transitions, 1418 flow. Second operand has 3 states, 3 states have (on average 656.3333333333334) internal successors, (1969), 3 states have internal predecessors, (1969), 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 03:05:06,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:05:06,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 655 of 726 [2023-11-30 03:05:06,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:05:06,663 INFO L124 PetriNetUnfolderBase]: 35/1356 cut-off events. [2023-11-30 03:05:06,663 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2023-11-30 03:05:06,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1485 conditions, 1356 events. 35/1356 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 7107 event pairs, 18 based on Foata normal form. 143/1291 useless extension candidates. Maximal degree in co-relation 1212. Up to 82 conditions per place. [2023-11-30 03:05:06,677 INFO L140 encePairwiseOnDemand]: 701/726 looper letters, 43 selfloop transitions, 2 changer transitions 3/680 dead transitions. [2023-11-30 03:05:06,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 679 places, 680 transitions, 1462 flow [2023-11-30 03:05:06,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:05:06,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:05:06,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2033 transitions. [2023-11-30 03:05:06,701 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.933425160697888 [2023-11-30 03:05:06,701 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2033 transitions. [2023-11-30 03:05:06,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2033 transitions. [2023-11-30 03:05:06,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:05:06,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2033 transitions. [2023-11-30 03:05:06,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 677.6666666666666) internal successors, (2033), 3 states have internal predecessors, (2033), 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 03:05:06,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:06,719 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:06,722 INFO L307 CegarLoopForPetriNet]: 678 programPoint places, 1 predicate places. [2023-11-30 03:05:06,722 INFO L500 AbstractCegarLoop]: Abstraction has has 679 places, 680 transitions, 1462 flow [2023-11-30 03:05:06,723 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 656.3333333333334) internal successors, (1969), 3 states have internal predecessors, (1969), 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 03:05:06,723 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:05:06,723 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] [2023-11-30 03:05:06,724 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 03:05:06,724 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-30 03:05:06,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:05:06,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1463213814, now seen corresponding path program 1 times [2023-11-30 03:05:06,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:05:06,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603208213] [2023-11-30 03:05:06,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:05:06,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:05:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:05:06,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 03:05:06,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:05:06,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603208213] [2023-11-30 03:05:06,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603208213] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:05:06,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:05:06,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:05:06,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035874699] [2023-11-30 03:05:06,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:05:06,784 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:05:06,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:05:06,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:05:06,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:05:06,788 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 670 out of 726 [2023-11-30 03:05:06,789 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 679 places, 680 transitions, 1462 flow. Second operand has 3 states, 3 states have (on average 671.3333333333334) internal successors, (2014), 3 states have internal predecessors, (2014), 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 03:05:06,789 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:05:06,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 670 of 726 [2023-11-30 03:05:06,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:05:07,054 INFO L124 PetriNetUnfolderBase]: 56/1587 cut-off events. [2023-11-30 03:05:07,055 INFO L125 PetriNetUnfolderBase]: For 205/229 co-relation queries the response was YES. [2023-11-30 03:05:07,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1875 conditions, 1587 events. 56/1587 cut-off events. For 205/229 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 9523 event pairs, 36 based on Foata normal form. 0/1340 useless extension candidates. Maximal degree in co-relation 1285. Up to 121 conditions per place. [2023-11-30 03:05:07,073 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 28 selfloop transitions, 2 changer transitions 3/679 dead transitions. [2023-11-30 03:05:07,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 679 transitions, 1520 flow [2023-11-30 03:05:07,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:05:07,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:05:07,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2041 transitions. [2023-11-30 03:05:07,077 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9370982552800735 [2023-11-30 03:05:07,077 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2041 transitions. [2023-11-30 03:05:07,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2041 transitions. [2023-11-30 03:05:07,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:05:07,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2041 transitions. [2023-11-30 03:05:07,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 680.3333333333334) internal successors, (2041), 3 states have internal predecessors, (2041), 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 03:05:07,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:07,085 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:07,085 INFO L307 CegarLoopForPetriNet]: 678 programPoint places, 2 predicate places. [2023-11-30 03:05:07,086 INFO L500 AbstractCegarLoop]: Abstraction has has 680 places, 679 transitions, 1520 flow [2023-11-30 03:05:07,087 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 671.3333333333334) internal successors, (2014), 3 states have internal predecessors, (2014), 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 03:05:07,087 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:05:07,087 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 03:05:07,087 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 03:05:07,087 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-30 03:05:07,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:05:07,088 INFO L85 PathProgramCache]: Analyzing trace with hash -342707469, now seen corresponding path program 1 times [2023-11-30 03:05:07,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:05:07,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071672228] [2023-11-30 03:05:07,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:05:07,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:05:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:05:07,143 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 03:05:07,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:05:07,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071672228] [2023-11-30 03:05:07,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071672228] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:05:07,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:05:07,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:05:07,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860815264] [2023-11-30 03:05:07,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:05:07,146 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:05:07,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:05:07,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:05:07,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:05:07,149 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 688 out of 726 [2023-11-30 03:05:07,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 680 places, 679 transitions, 1520 flow. Second operand has 3 states, 3 states have (on average 689.3333333333334) internal successors, (2068), 3 states have internal predecessors, (2068), 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 03:05:07,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:05:07,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 688 of 726 [2023-11-30 03:05:07,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:05:07,339 INFO L124 PetriNetUnfolderBase]: 59/1589 cut-off events. [2023-11-30 03:05:07,339 INFO L125 PetriNetUnfolderBase]: For 437/461 co-relation queries the response was YES. [2023-11-30 03:05:07,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1944 conditions, 1589 events. 59/1589 cut-off events. For 437/461 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 9471 event pairs, 39 based on Foata normal form. 0/1343 useless extension candidates. Maximal degree in co-relation 1328. Up to 124 conditions per place. [2023-11-30 03:05:07,362 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 10 selfloop transitions, 2 changer transitions 3/678 dead transitions. [2023-11-30 03:05:07,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 681 places, 678 transitions, 1542 flow [2023-11-30 03:05:07,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:05:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:05:07,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2077 transitions. [2023-11-30 03:05:07,366 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9536271808999082 [2023-11-30 03:05:07,366 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2077 transitions. [2023-11-30 03:05:07,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2077 transitions. [2023-11-30 03:05:07,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:05:07,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2077 transitions. [2023-11-30 03:05:07,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 692.3333333333334) internal successors, (2077), 3 states have internal predecessors, (2077), 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 03:05:07,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:07,373 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:07,374 INFO L307 CegarLoopForPetriNet]: 678 programPoint places, 3 predicate places. [2023-11-30 03:05:07,374 INFO L500 AbstractCegarLoop]: Abstraction has has 681 places, 678 transitions, 1542 flow [2023-11-30 03:05:07,375 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 689.3333333333334) internal successors, (2068), 3 states have internal predecessors, (2068), 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 03:05:07,375 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:05:07,375 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] [2023-11-30 03:05:07,375 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 03:05:07,376 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-30 03:05:07,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:05:07,376 INFO L85 PathProgramCache]: Analyzing trace with hash -2107415857, now seen corresponding path program 1 times [2023-11-30 03:05:07,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:05:07,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322897879] [2023-11-30 03:05:07,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:05:07,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:05:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:05:07,419 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 03:05:07,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:05:07,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322897879] [2023-11-30 03:05:07,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322897879] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:05:07,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:05:07,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:05:07,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392505173] [2023-11-30 03:05:07,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:05:07,420 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:05:07,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:05:07,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:05:07,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:05:07,425 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 688 out of 726 [2023-11-30 03:05:07,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 681 places, 678 transitions, 1542 flow. Second operand has 3 states, 3 states have (on average 689.3333333333334) internal successors, (2068), 3 states have internal predecessors, (2068), 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 03:05:07,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:05:07,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 688 of 726 [2023-11-30 03:05:07,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:05:07,654 INFO L124 PetriNetUnfolderBase]: 62/1591 cut-off events. [2023-11-30 03:05:07,654 INFO L125 PetriNetUnfolderBase]: For 785/815 co-relation queries the response was YES. [2023-11-30 03:05:07,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2022 conditions, 1591 events. 62/1591 cut-off events. For 785/815 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9606 event pairs, 42 based on Foata normal form. 0/1346 useless extension candidates. Maximal degree in co-relation 1359. Up to 127 conditions per place. [2023-11-30 03:05:07,667 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 10 selfloop transitions, 2 changer transitions 3/677 dead transitions. [2023-11-30 03:05:07,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 682 places, 677 transitions, 1564 flow [2023-11-30 03:05:07,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:05:07,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:05:07,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2077 transitions. [2023-11-30 03:05:07,670 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9536271808999082 [2023-11-30 03:05:07,671 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2077 transitions. [2023-11-30 03:05:07,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2077 transitions. [2023-11-30 03:05:07,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:05:07,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2077 transitions. [2023-11-30 03:05:07,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 692.3333333333334) internal successors, (2077), 3 states have internal predecessors, (2077), 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 03:05:07,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:07,678 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:07,679 INFO L307 CegarLoopForPetriNet]: 678 programPoint places, 4 predicate places. [2023-11-30 03:05:07,679 INFO L500 AbstractCegarLoop]: Abstraction has has 682 places, 677 transitions, 1564 flow [2023-11-30 03:05:07,680 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 689.3333333333334) internal successors, (2068), 3 states have internal predecessors, (2068), 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 03:05:07,680 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:05:07,680 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 03:05:07,680 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 03:05:07,680 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-30 03:05:07,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:05:07,681 INFO L85 PathProgramCache]: Analyzing trace with hash -94648125, now seen corresponding path program 1 times [2023-11-30 03:05:07,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:05:07,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130280159] [2023-11-30 03:05:07,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:05:07,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:05:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:05:07,726 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 03:05:07,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:05:07,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130280159] [2023-11-30 03:05:07,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130280159] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:05:07,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:05:07,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:05:07,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367771852] [2023-11-30 03:05:07,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:05:07,726 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:05:07,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:05:07,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:05:07,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:05:07,728 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 673 out of 726 [2023-11-30 03:05:07,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 682 places, 677 transitions, 1564 flow. Second operand has 3 states, 3 states have (on average 674.3333333333334) internal successors, (2023), 3 states have internal predecessors, (2023), 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 03:05:07,730 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:05:07,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 673 of 726 [2023-11-30 03:05:07,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:05:07,924 INFO L124 PetriNetUnfolderBase]: 74/1602 cut-off events. [2023-11-30 03:05:07,924 INFO L125 PetriNetUnfolderBase]: For 2065/2410 co-relation queries the response was YES. [2023-11-30 03:05:07,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2199 conditions, 1602 events. 74/1602 cut-off events. For 2065/2410 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 9801 event pairs, 54 based on Foata normal form. 0/1358 useless extension candidates. Maximal degree in co-relation 1501. Up to 139 conditions per place. [2023-11-30 03:05:07,940 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 25 selfloop transitions, 2 changer transitions 3/676 dead transitions. [2023-11-30 03:05:07,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 683 places, 676 transitions, 1616 flow [2023-11-30 03:05:07,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:05:07,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:05:07,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2047 transitions. [2023-11-30 03:05:07,943 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9398530762167125 [2023-11-30 03:05:07,943 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2047 transitions. [2023-11-30 03:05:07,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2047 transitions. [2023-11-30 03:05:07,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:05:07,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2047 transitions. [2023-11-30 03:05:07,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 682.3333333333334) internal successors, (2047), 3 states have internal predecessors, (2047), 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 03:05:07,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:07,973 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:07,974 INFO L307 CegarLoopForPetriNet]: 678 programPoint places, 5 predicate places. [2023-11-30 03:05:07,974 INFO L500 AbstractCegarLoop]: Abstraction has has 683 places, 676 transitions, 1616 flow [2023-11-30 03:05:07,975 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 674.3333333333334) internal successors, (2023), 3 states have internal predecessors, (2023), 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 03:05:07,975 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:05:07,976 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] [2023-11-30 03:05:07,976 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 03:05:07,976 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-30 03:05:07,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:05:07,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1270241961, now seen corresponding path program 1 times [2023-11-30 03:05:07,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:05:07,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829581063] [2023-11-30 03:05:07,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:05:07,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:05:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:05:08,030 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 03:05:08,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:05:08,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829581063] [2023-11-30 03:05:08,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829581063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:05:08,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:05:08,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:05:08,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573178767] [2023-11-30 03:05:08,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:05:08,033 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:05:08,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:05:08,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:05:08,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:05:08,035 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 673 out of 726 [2023-11-30 03:05:08,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 683 places, 676 transitions, 1616 flow. Second operand has 3 states, 3 states have (on average 674.3333333333334) internal successors, (2023), 3 states have internal predecessors, (2023), 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 03:05:08,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:05:08,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 673 of 726 [2023-11-30 03:05:08,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:05:08,272 INFO L124 PetriNetUnfolderBase]: 86/1613 cut-off events. [2023-11-30 03:05:08,273 INFO L125 PetriNetUnfolderBase]: For 4487/5057 co-relation queries the response was YES. [2023-11-30 03:05:08,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2411 conditions, 1613 events. 86/1613 cut-off events. For 4487/5057 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 10382 event pairs, 66 based on Foata normal form. 0/1367 useless extension candidates. Maximal degree in co-relation 1571. Up to 150 conditions per place. [2023-11-30 03:05:08,288 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 24 selfloop transitions, 2 changer transitions 3/675 dead transitions. [2023-11-30 03:05:08,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 684 places, 675 transitions, 1666 flow [2023-11-30 03:05:08,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:05:08,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:05:08,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2046 transitions. [2023-11-30 03:05:08,292 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2023-11-30 03:05:08,292 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2046 transitions. [2023-11-30 03:05:08,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2046 transitions. [2023-11-30 03:05:08,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:05:08,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2046 transitions. [2023-11-30 03:05:08,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 682.0) internal successors, (2046), 3 states have internal predecessors, (2046), 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 03:05:08,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:08,309 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:08,310 INFO L307 CegarLoopForPetriNet]: 678 programPoint places, 6 predicate places. [2023-11-30 03:05:08,310 INFO L500 AbstractCegarLoop]: Abstraction has has 684 places, 675 transitions, 1666 flow [2023-11-30 03:05:08,310 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 674.3333333333334) internal successors, (2023), 3 states have internal predecessors, (2023), 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 03:05:08,310 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:05:08,311 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] [2023-11-30 03:05:08,311 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 03:05:08,311 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-30 03:05:08,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:05:08,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1479745212, now seen corresponding path program 1 times [2023-11-30 03:05:08,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:05:08,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225141201] [2023-11-30 03:05:08,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:05:08,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:05:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:05:08,336 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 03:05:08,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:05:08,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225141201] [2023-11-30 03:05:08,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225141201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:05:08,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:05:08,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:05:08,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033736280] [2023-11-30 03:05:08,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:05:08,337 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:05:08,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:05:08,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:05:08,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:05:08,339 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 670 out of 726 [2023-11-30 03:05:08,340 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 684 places, 675 transitions, 1666 flow. Second operand has 3 states, 3 states have (on average 671.3333333333334) internal successors, (2014), 3 states have internal predecessors, (2014), 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 03:05:08,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:05:08,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 670 of 726 [2023-11-30 03:05:08,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:05:08,547 INFO L124 PetriNetUnfolderBase]: 99/1185 cut-off events. [2023-11-30 03:05:08,547 INFO L125 PetriNetUnfolderBase]: For 17672/26653 co-relation queries the response was YES. [2023-11-30 03:05:08,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2193 conditions, 1185 events. 99/1185 cut-off events. For 17672/26653 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 6761 event pairs, 84 based on Foata normal form. 0/1006 useless extension candidates. Maximal degree in co-relation 1309. Up to 146 conditions per place. [2023-11-30 03:05:08,564 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 28 selfloop transitions, 2 changer transitions 3/674 dead transitions. [2023-11-30 03:05:08,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 685 places, 674 transitions, 1724 flow [2023-11-30 03:05:08,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:05:08,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:05:08,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2041 transitions. [2023-11-30 03:05:08,568 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9370982552800735 [2023-11-30 03:05:08,568 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2041 transitions. [2023-11-30 03:05:08,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2041 transitions. [2023-11-30 03:05:08,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:05:08,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2041 transitions. [2023-11-30 03:05:08,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 680.3333333333334) internal successors, (2041), 3 states have internal predecessors, (2041), 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 03:05:08,574 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:08,574 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:08,575 INFO L307 CegarLoopForPetriNet]: 678 programPoint places, 7 predicate places. [2023-11-30 03:05:08,575 INFO L500 AbstractCegarLoop]: Abstraction has has 685 places, 674 transitions, 1724 flow [2023-11-30 03:05:08,575 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 671.3333333333334) internal successors, (2014), 3 states have internal predecessors, (2014), 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 03:05:08,575 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:05:08,576 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] [2023-11-30 03:05:08,576 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 03:05:08,576 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-30 03:05:08,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:05:08,576 INFO L85 PathProgramCache]: Analyzing trace with hash 467328342, now seen corresponding path program 1 times [2023-11-30 03:05:08,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:05:08,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635999403] [2023-11-30 03:05:08,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:05:08,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:05:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:05:08,601 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 03:05:08,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:05:08,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635999403] [2023-11-30 03:05:08,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635999403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:05:08,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:05:08,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:05:08,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935826034] [2023-11-30 03:05:08,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:05:08,603 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:05:08,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:05:08,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:05:08,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:05:08,604 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 670 out of 726 [2023-11-30 03:05:08,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 685 places, 674 transitions, 1724 flow. Second operand has 3 states, 3 states have (on average 671.3333333333334) internal successors, (2014), 3 states have internal predecessors, (2014), 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 03:05:08,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:05:08,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 670 of 726 [2023-11-30 03:05:08,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:05:08,793 INFO L124 PetriNetUnfolderBase]: 116/1201 cut-off events. [2023-11-30 03:05:08,793 INFO L125 PetriNetUnfolderBase]: For 45077/62012 co-relation queries the response was YES. [2023-11-30 03:05:08,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2503 conditions, 1201 events. 116/1201 cut-off events. For 45077/62012 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 7569 event pairs, 102 based on Foata normal form. 0/1017 useless extension candidates. Maximal degree in co-relation 1379. Up to 164 conditions per place. [2023-11-30 03:05:08,808 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 28 selfloop transitions, 2 changer transitions 3/673 dead transitions. [2023-11-30 03:05:08,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 686 places, 673 transitions, 1782 flow [2023-11-30 03:05:08,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:05:08,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:05:08,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2041 transitions. [2023-11-30 03:05:08,811 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9370982552800735 [2023-11-30 03:05:08,811 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2041 transitions. [2023-11-30 03:05:08,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2041 transitions. [2023-11-30 03:05:08,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:05:08,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2041 transitions. [2023-11-30 03:05:08,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 680.3333333333334) internal successors, (2041), 3 states have internal predecessors, (2041), 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 03:05:08,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:08,816 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:08,817 INFO L307 CegarLoopForPetriNet]: 678 programPoint places, 8 predicate places. [2023-11-30 03:05:08,817 INFO L500 AbstractCegarLoop]: Abstraction has has 686 places, 673 transitions, 1782 flow [2023-11-30 03:05:08,817 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 671.3333333333334) internal successors, (2014), 3 states have internal predecessors, (2014), 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 03:05:08,817 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:05:08,817 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, 1] [2023-11-30 03:05:08,818 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 03:05:08,818 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-30 03:05:08,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:05:08,818 INFO L85 PathProgramCache]: Analyzing trace with hash -603973971, now seen corresponding path program 1 times [2023-11-30 03:05:08,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:05:08,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094914953] [2023-11-30 03:05:08,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:05:08,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:05:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:05:08,845 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 03:05:08,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:05:08,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094914953] [2023-11-30 03:05:08,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094914953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:05:08,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:05:08,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:05:08,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524874240] [2023-11-30 03:05:08,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:05:08,846 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:05:08,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:05:08,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:05:08,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:05:08,848 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 682 out of 726 [2023-11-30 03:05:08,849 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 686 places, 673 transitions, 1782 flow. Second operand has 3 states, 3 states have (on average 683.3333333333334) internal successors, (2050), 3 states have internal predecessors, (2050), 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 03:05:08,849 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:05:08,849 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 682 of 726 [2023-11-30 03:05:08,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:05:09,112 INFO L124 PetriNetUnfolderBase]: 144/2069 cut-off events. [2023-11-30 03:05:09,112 INFO L125 PetriNetUnfolderBase]: For 71467/89444 co-relation queries the response was YES. [2023-11-30 03:05:09,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3819 conditions, 2069 events. 144/2069 cut-off events. For 71467/89444 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 15565 event pairs, 117 based on Foata normal form. 0/1743 useless extension candidates. Maximal degree in co-relation 2564. Up to 213 conditions per place. [2023-11-30 03:05:09,130 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 16 selfloop transitions, 2 changer transitions 3/672 dead transitions. [2023-11-30 03:05:09,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 687 places, 672 transitions, 1816 flow [2023-11-30 03:05:09,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:05:09,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:05:09,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2065 transitions. [2023-11-30 03:05:09,134 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.94811753902663 [2023-11-30 03:05:09,134 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2065 transitions. [2023-11-30 03:05:09,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2065 transitions. [2023-11-30 03:05:09,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:05:09,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2065 transitions. [2023-11-30 03:05:09,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 688.3333333333334) internal successors, (2065), 3 states have internal predecessors, (2065), 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 03:05:09,139 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:09,139 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:09,140 INFO L307 CegarLoopForPetriNet]: 678 programPoint places, 9 predicate places. [2023-11-30 03:05:09,140 INFO L500 AbstractCegarLoop]: Abstraction has has 687 places, 672 transitions, 1816 flow [2023-11-30 03:05:09,140 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 683.3333333333334) internal successors, (2050), 3 states have internal predecessors, (2050), 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 03:05:09,140 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:05:09,141 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, 1, 1, 1, 1, 1] [2023-11-30 03:05:09,141 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 03:05:09,141 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-30 03:05:09,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:05:09,141 INFO L85 PathProgramCache]: Analyzing trace with hash 495427733, now seen corresponding path program 1 times [2023-11-30 03:05:09,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:05:09,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259778253] [2023-11-30 03:05:09,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:05:09,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:05:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:05:09,167 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 03:05:09,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:05:09,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259778253] [2023-11-30 03:05:09,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259778253] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:05:09,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:05:09,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:05:09,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105801906] [2023-11-30 03:05:09,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:05:09,168 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:05:09,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:05:09,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:05:09,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:05:09,170 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 686 out of 726 [2023-11-30 03:05:09,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 687 places, 672 transitions, 1816 flow. Second operand has 3 states, 3 states have (on average 687.3333333333334) internal successors, (2062), 3 states have internal predecessors, (2062), 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 03:05:09,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:05:09,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 686 of 726 [2023-11-30 03:05:09,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:05:09,394 INFO L124 PetriNetUnfolderBase]: 134/1841 cut-off events. [2023-11-30 03:05:09,394 INFO L125 PetriNetUnfolderBase]: For 96180/114148 co-relation queries the response was YES. [2023-11-30 03:05:09,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3640 conditions, 1841 events. 134/1841 cut-off events. For 96180/114148 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 13326 event pairs, 110 based on Foata normal form. 0/1561 useless extension candidates. Maximal degree in co-relation 2334. Up to 193 conditions per place. [2023-11-30 03:05:09,412 INFO L140 encePairwiseOnDemand]: 722/726 looper letters, 11 selfloop transitions, 1 changer transitions 3/669 dead transitions. [2023-11-30 03:05:09,412 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 686 places, 669 transitions, 1828 flow [2023-11-30 03:05:09,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:05:09,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:05:09,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2073 transitions. [2023-11-30 03:05:09,415 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9517906336088154 [2023-11-30 03:05:09,415 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2073 transitions. [2023-11-30 03:05:09,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2073 transitions. [2023-11-30 03:05:09,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:05:09,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2073 transitions. [2023-11-30 03:05:09,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 691.0) internal successors, (2073), 3 states have internal predecessors, (2073), 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 03:05:09,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:09,420 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:09,420 INFO L307 CegarLoopForPetriNet]: 678 programPoint places, 8 predicate places. [2023-11-30 03:05:09,421 INFO L500 AbstractCegarLoop]: Abstraction has has 686 places, 669 transitions, 1828 flow [2023-11-30 03:05:09,421 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 687.3333333333334) internal successors, (2062), 3 states have internal predecessors, (2062), 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 03:05:09,421 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:05:09,421 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:09,421 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 03:05:09,421 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-30 03:05:09,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:05:09,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1600887666, now seen corresponding path program 1 times [2023-11-30 03:05:09,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:05:09,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850215989] [2023-11-30 03:05:09,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:05:09,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:05:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:05:09,763 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 03:05:09,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:05:09,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850215989] [2023-11-30 03:05:09,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850215989] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:05:09,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:05:09,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 03:05:09,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513359874] [2023-11-30 03:05:09,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:05:09,764 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 03:05:09,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:05:09,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 03:05:09,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 03:05:09,766 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 631 out of 726 [2023-11-30 03:05:09,768 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 686 places, 669 transitions, 1828 flow. Second operand has 6 states, 6 states have (on average 632.8333333333334) internal successors, (3797), 6 states have internal predecessors, (3797), 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 03:05:09,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:05:09,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 631 of 726 [2023-11-30 03:05:09,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:05:14,576 INFO L124 PetriNetUnfolderBase]: 5536/31131 cut-off events. [2023-11-30 03:05:14,576 INFO L125 PetriNetUnfolderBase]: For 67807/73757 co-relation queries the response was YES. [2023-11-30 03:05:14,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48454 conditions, 31131 events. 5536/31131 cut-off events. For 67807/73757 co-relation queries the response was YES. Maximal size of possible extension queue 504. Compared 387792 event pairs, 5030 based on Foata normal form. 0/26037 useless extension candidates. Maximal degree in co-relation 46778. Up to 8135 conditions per place. [2023-11-30 03:05:14,853 INFO L140 encePairwiseOnDemand]: 720/726 looper letters, 65 selfloop transitions, 5 changer transitions 3/668 dead transitions. [2023-11-30 03:05:14,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 690 places, 668 transitions, 1966 flow [2023-11-30 03:05:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 03:05:14,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 03:05:14,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3857 transitions. [2023-11-30 03:05:14,859 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.88544536271809 [2023-11-30 03:05:14,859 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3857 transitions. [2023-11-30 03:05:14,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3857 transitions. [2023-11-30 03:05:14,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:05:14,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3857 transitions. [2023-11-30 03:05:14,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 642.8333333333334) internal successors, (3857), 6 states have internal predecessors, (3857), 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 03:05:14,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 726.0) internal successors, (5082), 7 states have internal predecessors, (5082), 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 03:05:14,870 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 726.0) internal successors, (5082), 7 states have internal predecessors, (5082), 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 03:05:14,870 INFO L307 CegarLoopForPetriNet]: 678 programPoint places, 12 predicate places. [2023-11-30 03:05:14,870 INFO L500 AbstractCegarLoop]: Abstraction has has 690 places, 668 transitions, 1966 flow [2023-11-30 03:05:14,871 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 632.8333333333334) internal successors, (3797), 6 states have internal predecessors, (3797), 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 03:05:14,871 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:05:14,871 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:14,872 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-30 03:05:14,872 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-30 03:05:14,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:05:14,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1995830092, now seen corresponding path program 1 times [2023-11-30 03:05:14,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:05:14,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648409685] [2023-11-30 03:05:14,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:05:14,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:05:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:05:14,907 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 03:05:14,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:05:14,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648409685] [2023-11-30 03:05:14,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648409685] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:05:14,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:05:14,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:05:14,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580123240] [2023-11-30 03:05:14,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:05:14,908 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:05:14,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:05:14,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:05:14,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:05:14,910 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 673 out of 726 [2023-11-30 03:05:14,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 690 places, 668 transitions, 1966 flow. Second operand has 3 states, 3 states have (on average 674.3333333333334) internal successors, (2023), 3 states have internal predecessors, (2023), 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 03:05:14,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:05:14,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 673 of 726 [2023-11-30 03:05:14,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:05:21,271 INFO L124 PetriNetUnfolderBase]: 7610/43879 cut-off events. [2023-11-30 03:05:21,272 INFO L125 PetriNetUnfolderBase]: For 69451/74390 co-relation queries the response was YES. [2023-11-30 03:05:21,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69154 conditions, 43879 events. 7610/43879 cut-off events. For 69451/74390 co-relation queries the response was YES. Maximal size of possible extension queue 601. Compared 570831 event pairs, 6899 based on Foata normal form. 0/36760 useless extension candidates. Maximal degree in co-relation 67254. Up to 10832 conditions per place. [2023-11-30 03:05:21,772 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 25 selfloop transitions, 2 changer transitions 3/667 dead transitions. [2023-11-30 03:05:21,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 691 places, 667 transitions, 2018 flow [2023-11-30 03:05:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:05:21,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:05:21,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2047 transitions. [2023-11-30 03:05:21,776 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9398530762167125 [2023-11-30 03:05:21,776 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2047 transitions. [2023-11-30 03:05:21,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2047 transitions. [2023-11-30 03:05:21,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:05:21,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2047 transitions. [2023-11-30 03:05:21,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 682.3333333333334) internal successors, (2047), 3 states have internal predecessors, (2047), 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 03:05:21,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:21,782 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:21,783 INFO L307 CegarLoopForPetriNet]: 678 programPoint places, 13 predicate places. [2023-11-30 03:05:21,783 INFO L500 AbstractCegarLoop]: Abstraction has has 691 places, 667 transitions, 2018 flow [2023-11-30 03:05:21,784 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 674.3333333333334) internal successors, (2023), 3 states have internal predecessors, (2023), 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 03:05:21,785 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:05:21,785 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:21,785 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-30 03:05:21,785 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-30 03:05:21,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:05:21,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1444481531, now seen corresponding path program 1 times [2023-11-30 03:05:21,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:05:21,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112854879] [2023-11-30 03:05:21,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:05:21,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:05:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:05:21,836 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 03:05:21,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:05:21,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112854879] [2023-11-30 03:05:21,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112854879] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:05:21,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:05:21,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:05:21,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221291098] [2023-11-30 03:05:21,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:05:21,838 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:05:21,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:05:21,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:05:21,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:05:21,847 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 659 out of 726 [2023-11-30 03:05:21,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 691 places, 667 transitions, 2018 flow. Second operand has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 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 03:05:21,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:05:21,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 659 of 726 [2023-11-30 03:05:21,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:05:28,737 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([2043] thread1EXIT-->L99-7: Formula: (and (= 0 v_thread1Thread1of1ForFork1_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem56#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread1Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem56#1=|v_ULTIMATE.start_main_#t~mem56#1_6|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem56#1=|v_ULTIMATE.start_main_#t~mem56#1_6|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} AuxVars[] AssignedVars[][404], [723#true, 456#L63-1true, 756#(= |#race~bag1~0| 0), 715#true, 727#true, 276#L99-7true, 731#true, 719#true, 735#true, 741#(= |#race~N~0| 0), 743#true, 707#true, 750#true, thread1Thread1of1ForFork1NotInUse, 711#true, thread2Thread1of1ForFork0InUse, 703#true]) [2023-11-30 03:05:28,738 INFO L294 olderBase$Statistics]: this new event has 400 ancestors and is cut-off event [2023-11-30 03:05:28,738 INFO L297 olderBase$Statistics]: existing Event has 212 ancestors and is cut-off event [2023-11-30 03:05:28,738 INFO L297 olderBase$Statistics]: existing Event has 306 ancestors and is cut-off event [2023-11-30 03:05:28,738 INFO L297 olderBase$Statistics]: existing Event has 306 ancestors and is cut-off event [2023-11-30 03:05:28,739 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([2043] thread1EXIT-->L99-7: Formula: (and (= 0 v_thread1Thread1of1ForFork1_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem56#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread1Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem56#1=|v_ULTIMATE.start_main_#t~mem56#1_6|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem56#1=|v_ULTIMATE.start_main_#t~mem56#1_6|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} AuxVars[] AssignedVars[][404], [723#true, 756#(= |#race~bag1~0| 0), 715#true, 727#true, 276#L99-7true, 731#true, 719#true, 735#true, 741#(= |#race~N~0| 0), 743#true, 707#true, thread1Thread1of1ForFork1NotInUse, 750#true, 238#L63-2true, 711#true, thread2Thread1of1ForFork0InUse, 703#true]) [2023-11-30 03:05:28,739 INFO L294 olderBase$Statistics]: this new event has 401 ancestors and is cut-off event [2023-11-30 03:05:28,739 INFO L297 olderBase$Statistics]: existing Event has 307 ancestors and is cut-off event [2023-11-30 03:05:28,739 INFO L297 olderBase$Statistics]: existing Event has 213 ancestors and is cut-off event [2023-11-30 03:05:28,739 INFO L297 olderBase$Statistics]: existing Event has 307 ancestors and is cut-off event [2023-11-30 03:05:28,740 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([2043] thread1EXIT-->L99-7: Formula: (and (= 0 v_thread1Thread1of1ForFork1_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem56#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread1Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem56#1=|v_ULTIMATE.start_main_#t~mem56#1_6|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem56#1=|v_ULTIMATE.start_main_#t~mem56#1_6|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} AuxVars[] AssignedVars[][404], [723#true, 756#(= |#race~bag1~0| 0), 715#true, 727#true, 276#L99-7true, 731#true, 719#true, 735#true, 741#(= |#race~N~0| 0), 743#true, 707#true, 483#thread2Err0ASSERT_VIOLATIONDATA_RACEtrue, thread1Thread1of1ForFork1NotInUse, 750#true, 711#true, thread2Thread1of1ForFork0InUse, 703#true]) [2023-11-30 03:05:28,740 INFO L294 olderBase$Statistics]: this new event has 401 ancestors and is cut-off event [2023-11-30 03:05:28,740 INFO L297 olderBase$Statistics]: existing Event has 213 ancestors and is cut-off event [2023-11-30 03:05:28,740 INFO L297 olderBase$Statistics]: existing Event has 307 ancestors and is cut-off event [2023-11-30 03:05:28,741 INFO L297 olderBase$Statistics]: existing Event has 307 ancestors and is cut-off event [2023-11-30 03:05:28,741 INFO L124 PetriNetUnfolderBase]: 7998/47139 cut-off events. [2023-11-30 03:05:28,741 INFO L125 PetriNetUnfolderBase]: For 130529/142980 co-relation queries the response was YES. [2023-11-30 03:05:29,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76150 conditions, 47139 events. 7998/47139 cut-off events. For 130529/142980 co-relation queries the response was YES. Maximal size of possible extension queue 612. Compared 620070 event pairs, 7200 based on Foata normal form. 54/39656 useless extension candidates. Maximal degree in co-relation 74067. Up to 11384 conditions per place. [2023-11-30 03:05:29,280 INFO L140 encePairwiseOnDemand]: 711/726 looper letters, 30 selfloop transitions, 5 changer transitions 3/660 dead transitions. [2023-11-30 03:05:29,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 683 places, 660 transitions, 2085 flow [2023-11-30 03:05:29,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:05:29,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:05:29,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2022 transitions. [2023-11-30 03:05:29,283 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.928374655647383 [2023-11-30 03:05:29,283 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2022 transitions. [2023-11-30 03:05:29,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2022 transitions. [2023-11-30 03:05:29,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:05:29,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2022 transitions. [2023-11-30 03:05:29,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 674.0) internal successors, (2022), 3 states have internal predecessors, (2022), 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 03:05:29,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:29,289 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:29,290 INFO L307 CegarLoopForPetriNet]: 678 programPoint places, 5 predicate places. [2023-11-30 03:05:29,290 INFO L500 AbstractCegarLoop]: Abstraction has has 683 places, 660 transitions, 2085 flow [2023-11-30 03:05:29,290 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 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 03:05:29,291 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:05:29,291 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:29,291 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-30 03:05:29,291 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-30 03:05:29,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:05:29,291 INFO L85 PathProgramCache]: Analyzing trace with hash -872270899, now seen corresponding path program 1 times [2023-11-30 03:05:29,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:05:29,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890793495] [2023-11-30 03:05:29,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:05:29,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:05:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:05:29,477 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 03:05:29,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:05:29,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890793495] [2023-11-30 03:05:29,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890793495] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:05:29,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:05:29,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:05:29,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097649664] [2023-11-30 03:05:29,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:05:29,478 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:05:29,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:05:29,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:05:29,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:05:29,480 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 674 out of 726 [2023-11-30 03:05:29,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 683 places, 660 transitions, 2085 flow. Second operand has 3 states, 3 states have (on average 675.3333333333334) internal successors, (2026), 3 states have internal predecessors, (2026), 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 03:05:29,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:05:29,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 674 of 726 [2023-11-30 03:05:29,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:05:37,818 INFO L124 PetriNetUnfolderBase]: 8071/55322 cut-off events. [2023-11-30 03:05:37,818 INFO L125 PetriNetUnfolderBase]: For 134900/146360 co-relation queries the response was YES. [2023-11-30 03:05:38,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89605 conditions, 55322 events. 8071/55322 cut-off events. For 134900/146360 co-relation queries the response was YES. Maximal size of possible extension queue 613. Compared 748534 event pairs, 7216 based on Foata normal form. 0/47131 useless extension candidates. Maximal degree in co-relation 87431. Up to 11379 conditions per place. [2023-11-30 03:05:38,408 INFO L140 encePairwiseOnDemand]: 716/726 looper letters, 21 selfloop transitions, 5 changer transitions 3/658 dead transitions. [2023-11-30 03:05:38,408 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 658 transitions, 2156 flow [2023-11-30 03:05:38,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:05:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:05:38,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2052 transitions. [2023-11-30 03:05:38,412 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9421487603305785 [2023-11-30 03:05:38,412 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2052 transitions. [2023-11-30 03:05:38,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2052 transitions. [2023-11-30 03:05:38,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:05:38,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2052 transitions. [2023-11-30 03:05:38,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 684.0) internal successors, (2052), 3 states have internal predecessors, (2052), 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 03:05:38,418 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:38,419 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:38,419 INFO L307 CegarLoopForPetriNet]: 678 programPoint places, 2 predicate places. [2023-11-30 03:05:38,419 INFO L500 AbstractCegarLoop]: Abstraction has has 680 places, 658 transitions, 2156 flow [2023-11-30 03:05:38,420 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 675.3333333333334) internal successors, (2026), 3 states have internal predecessors, (2026), 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 03:05:38,420 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:05:38,420 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:38,420 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-30 03:05:38,420 INFO L425 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-30 03:05:38,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:05:38,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1742059650, now seen corresponding path program 1 times [2023-11-30 03:05:38,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:05:38,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424026037] [2023-11-30 03:05:38,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:05:38,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:05:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:05:38,585 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 03:05:38,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:05:38,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424026037] [2023-11-30 03:05:38,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424026037] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:05:38,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:05:38,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:05:38,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892748202] [2023-11-30 03:05:38,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:05:38,586 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:05:38,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:05:38,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:05:38,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:05:38,588 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 677 out of 726 [2023-11-30 03:05:38,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 680 places, 658 transitions, 2156 flow. Second operand has 3 states, 3 states have (on average 678.3333333333334) internal successors, (2035), 3 states have internal predecessors, (2035), 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 03:05:38,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:05:38,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 677 of 726 [2023-11-30 03:05:38,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:05:52,817 INFO L124 PetriNetUnfolderBase]: 13462/96013 cut-off events. [2023-11-30 03:05:52,817 INFO L125 PetriNetUnfolderBase]: For 166695/182811 co-relation queries the response was YES. [2023-11-30 03:05:53,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152662 conditions, 96013 events. 13462/96013 cut-off events. For 166695/182811 co-relation queries the response was YES. Maximal size of possible extension queue 976. Compared 1445651 event pairs, 12104 based on Foata normal form. 127/82119 useless extension candidates. Maximal degree in co-relation 87740. Up to 19018 conditions per place. [2023-11-30 03:05:54,369 INFO L140 encePairwiseOnDemand]: 716/726 looper letters, 21 selfloop transitions, 6 changer transitions 3/659 dead transitions. [2023-11-30 03:05:54,369 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 678 places, 659 transitions, 2301 flow [2023-11-30 03:05:54,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:05:54,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:05:54,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2059 transitions. [2023-11-30 03:05:54,373 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9453627180899908 [2023-11-30 03:05:54,373 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2059 transitions. [2023-11-30 03:05:54,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2059 transitions. [2023-11-30 03:05:54,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:05:54,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2059 transitions. [2023-11-30 03:05:54,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 686.3333333333334) internal successors, (2059), 3 states have internal predecessors, (2059), 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 03:05:54,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:54,382 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:05:54,383 INFO L307 CegarLoopForPetriNet]: 678 programPoint places, 0 predicate places. [2023-11-30 03:05:54,383 INFO L500 AbstractCegarLoop]: Abstraction has has 678 places, 659 transitions, 2301 flow [2023-11-30 03:05:54,384 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 678.3333333333334) internal successors, (2035), 3 states have internal predecessors, (2035), 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 03:05:54,384 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:05:54,384 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:54,384 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-30 03:05:54,384 INFO L425 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-30 03:05:54,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:05:54,385 INFO L85 PathProgramCache]: Analyzing trace with hash -269356119, now seen corresponding path program 1 times [2023-11-30 03:05:54,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:05:54,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828162548] [2023-11-30 03:05:54,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:05:54,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:05:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:05:54,420 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 03:05:54,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:05:54,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828162548] [2023-11-30 03:05:54,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828162548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:05:54,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:05:54,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:05:54,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533523607] [2023-11-30 03:05:54,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:05:54,423 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:05:54,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:05:54,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:05:54,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:05:54,425 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 677 out of 726 [2023-11-30 03:05:54,426 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 678 places, 659 transitions, 2301 flow. Second operand has 3 states, 3 states have (on average 678.3333333333334) internal successors, (2035), 3 states have internal predecessors, (2035), 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 03:05:54,426 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:05:54,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 677 of 726 [2023-11-30 03:05:54,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:06:20,987 INFO L124 PetriNetUnfolderBase]: 23231/154750 cut-off events. [2023-11-30 03:06:20,987 INFO L125 PetriNetUnfolderBase]: For 242055/259737 co-relation queries the response was YES. [2023-11-30 03:06:22,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 252839 conditions, 154750 events. 23231/154750 cut-off events. For 242055/259737 co-relation queries the response was YES. Maximal size of possible extension queue 1615. Compared 2499690 event pairs, 20422 based on Foata normal form. 1/132426 useless extension candidates. Maximal degree in co-relation 88889. Up to 32079 conditions per place. [2023-11-30 03:06:22,806 INFO L140 encePairwiseOnDemand]: 716/726 looper letters, 27 selfloop transitions, 5 changer transitions 8/665 dead transitions. [2023-11-30 03:06:22,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 676 places, 665 transitions, 2641 flow [2023-11-30 03:06:22,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:06:22,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:06:22,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2059 transitions. [2023-11-30 03:06:22,809 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9453627180899908 [2023-11-30 03:06:22,809 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2059 transitions. [2023-11-30 03:06:22,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2059 transitions. [2023-11-30 03:06:22,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:06:22,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2059 transitions. [2023-11-30 03:06:22,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 686.3333333333334) internal successors, (2059), 3 states have internal predecessors, (2059), 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 03:06:22,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:06:22,814 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:06:22,815 INFO L307 CegarLoopForPetriNet]: 678 programPoint places, -2 predicate places. [2023-11-30 03:06:22,815 INFO L500 AbstractCegarLoop]: Abstraction has has 676 places, 665 transitions, 2641 flow [2023-11-30 03:06:22,815 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 678.3333333333334) internal successors, (2035), 3 states have internal predecessors, (2035), 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 03:06:22,815 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:06:22,815 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:06:22,815 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-30 03:06:22,815 INFO L425 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-30 03:06:22,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:06:22,816 INFO L85 PathProgramCache]: Analyzing trace with hash 887262254, now seen corresponding path program 1 times [2023-11-30 03:06:22,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:06:22,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789384253] [2023-11-30 03:06:22,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:06:22,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:06:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:06:22,838 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 03:06:22,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:06:22,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789384253] [2023-11-30 03:06:22,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789384253] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:06:22,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:06:22,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:06:22,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965753153] [2023-11-30 03:06:22,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:06:22,839 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:06:22,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:06:22,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:06:22,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:06:22,841 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 674 out of 726 [2023-11-30 03:06:22,842 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 676 places, 665 transitions, 2641 flow. Second operand has 3 states, 3 states have (on average 675.3333333333334) internal successors, (2026), 3 states have internal predecessors, (2026), 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 03:06:22,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:06:22,842 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 674 of 726 [2023-11-30 03:06:22,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:06:50,202 INFO L124 PetriNetUnfolderBase]: 24089/163381 cut-off events. [2023-11-30 03:06:50,202 INFO L125 PetriNetUnfolderBase]: For 284364/302106 co-relation queries the response was YES. [2023-11-30 03:06:51,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270047 conditions, 163381 events. 24089/163381 cut-off events. For 284364/302106 co-relation queries the response was YES. Maximal size of possible extension queue 1646. Compared 2664516 event pairs, 21124 based on Foata normal form. 0/141011 useless extension candidates. Maximal degree in co-relation 89524. Up to 33721 conditions per place. [2023-11-30 03:06:52,608 INFO L140 encePairwiseOnDemand]: 717/726 looper letters, 43 selfloop transitions, 3 changer transitions 8/672 dead transitions. [2023-11-30 03:06:52,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 672 places, 672 transitions, 3159 flow [2023-11-30 03:06:52,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:06:52,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:06:52,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2052 transitions. [2023-11-30 03:06:52,615 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9421487603305785 [2023-11-30 03:06:52,615 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2052 transitions. [2023-11-30 03:06:52,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2052 transitions. [2023-11-30 03:06:52,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:06:52,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2052 transitions. [2023-11-30 03:06:52,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 684.0) internal successors, (2052), 3 states have internal predecessors, (2052), 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 03:06:52,619 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:06:52,620 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 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 03:06:52,620 INFO L307 CegarLoopForPetriNet]: 678 programPoint places, -6 predicate places. [2023-11-30 03:06:52,620 INFO L500 AbstractCegarLoop]: Abstraction has has 672 places, 672 transitions, 3159 flow [2023-11-30 03:06:52,620 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 675.3333333333334) internal successors, (2026), 3 states have internal predecessors, (2026), 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 03:06:52,621 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:06:52,621 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:06:52,621 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-30 03:06:52,621 INFO L425 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-30 03:06:52,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:06:52,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1171768409, now seen corresponding path program 1 times [2023-11-30 03:06:52,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:06:52,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744266464] [2023-11-30 03:06:52,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:06:52,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:06:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:06:52,642 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 03:06:52,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:06:52,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744266464] [2023-11-30 03:06:52,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744266464] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:06:52,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:06:52,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:06:52,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414757653] [2023-11-30 03:06:52,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:06:52,643 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:06:52,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:06:52,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:06:52,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:06:52,644 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 674 out of 726 [2023-11-30 03:06:52,645 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 672 places, 672 transitions, 3159 flow. Second operand has 3 states, 3 states have (on average 675.3333333333334) internal successors, (2026), 3 states have internal predecessors, (2026), 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 03:06:52,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:06:52,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 674 of 726 [2023-11-30 03:06:52,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand