/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 04:45:02,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 04:45:02,886 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-VariableLbe.epf [2023-08-25 04:45:02,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 04:45:02,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 04:45:02,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 04:45:02,910 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 04:45:02,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 04:45:02,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 04:45:02,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 04:45:02,912 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 04:45:02,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 04:45:02,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 04:45:02,913 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 04:45:02,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 04:45:02,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 04:45:02,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 04:45:02,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 04:45:02,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 04:45:02,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 04:45:02,915 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 04:45:02,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 04:45:02,916 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 04:45:02,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 04:45:02,917 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 04:45:02,917 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 04:45:02,917 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 04:45:02,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 04:45:02,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 04:45:02,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 04:45:02,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 04:45:02,919 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 04:45:02,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 04:45:02,920 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 04:45:02,920 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 04:45:02,920 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 04:45:03,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 04:45:03,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 04:45:03,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 04:45:03,210 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 04:45:03,210 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 04:45:03,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c [2023-08-25 04:45:04,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 04:45:04,703 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 04:45:04,704 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c [2023-08-25 04:45:04,709 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d9e03327/83f376581fa64ddfa9ec5564c2c0e8a2/FLAGba0fd82b3 [2023-08-25 04:45:04,720 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d9e03327/83f376581fa64ddfa9ec5564c2c0e8a2 [2023-08-25 04:45:04,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 04:45:04,723 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 04:45:04,723 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 04:45:04,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 04:45:04,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 04:45:04,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 04:45:04" (1/1) ... [2023-08-25 04:45:04,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb40bf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:45:04, skipping insertion in model container [2023-08-25 04:45:04,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 04:45:04" (1/1) ... [2023-08-25 04:45:04,747 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 04:45:04,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 04:45:04,907 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 04:45:04,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 04:45:04,958 INFO L206 MainTranslator]: Completed translation [2023-08-25 04:45:04,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:45:04 WrapperNode [2023-08-25 04:45:04,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 04:45:04,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 04:45:04,962 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 04:45:04,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 04:45:04,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:45:04" (1/1) ... [2023-08-25 04:45:04,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:45:04" (1/1) ... [2023-08-25 04:45:05,017 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 15, calls inlined = 23, statements flattened = 519 [2023-08-25 04:45:05,017 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 04:45:05,018 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 04:45:05,018 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 04:45:05,018 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 04:45:05,025 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:45:04" (1/1) ... [2023-08-25 04:45:05,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:45:04" (1/1) ... [2023-08-25 04:45:05,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:45:04" (1/1) ... [2023-08-25 04:45:05,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:45:04" (1/1) ... [2023-08-25 04:45:05,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:45:04" (1/1) ... [2023-08-25 04:45:05,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:45:04" (1/1) ... [2023-08-25 04:45:05,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:45:04" (1/1) ... [2023-08-25 04:45:05,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:45:04" (1/1) ... [2023-08-25 04:45:05,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 04:45:05,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 04:45:05,101 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 04:45:05,101 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 04:45:05,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:45:04" (1/1) ... [2023-08-25 04:45:05,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 04:45:05,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 04:45:05,130 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) [2023-08-25 04:45:05,151 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 [2023-08-25 04:45:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 04:45:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 04:45:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 04:45:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 04:45:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-25 04:45:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-25 04:45:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-25 04:45:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-25 04:45:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-25 04:45:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-25 04:45:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 04:45:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-25 04:45:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 04:45:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 04:45:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 04:45:05,173 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 04:45:05,309 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 04:45:05,311 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 04:45:05,999 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 04:45:06,008 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 04:45:06,009 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-08-25 04:45:06,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 04:45:06 BoogieIcfgContainer [2023-08-25 04:45:06,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 04:45:06,013 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 04:45:06,013 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 04:45:06,015 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 04:45:06,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 04:45:04" (1/3) ... [2023-08-25 04:45:06,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5fa404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 04:45:06, skipping insertion in model container [2023-08-25 04:45:06,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:45:04" (2/3) ... [2023-08-25 04:45:06,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5fa404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 04:45:06, skipping insertion in model container [2023-08-25 04:45:06,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 04:45:06" (3/3) ... [2023-08-25 04:45:06,017 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-subst.wvr.c [2023-08-25 04:45:06,031 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 04:45:06,031 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 63 error locations. [2023-08-25 04:45:06,032 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 04:45:06,150 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-25 04:45:06,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 598 places, 621 transitions, 1266 flow [2023-08-25 04:45:06,453 INFO L124 PetriNetUnfolderBase]: 33/618 cut-off events. [2023-08-25 04:45:06,453 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-25 04:45:06,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 631 conditions, 618 events. 33/618 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1447 event pairs, 0 based on Foata normal form. 0/522 useless extension candidates. Maximal degree in co-relation 439. Up to 3 conditions per place. [2023-08-25 04:45:06,473 INFO L82 GeneralOperation]: Start removeDead. Operand has 598 places, 621 transitions, 1266 flow [2023-08-25 04:45:06,488 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 584 places, 607 transitions, 1232 flow [2023-08-25 04:45:06,492 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 04:45:06,509 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 584 places, 607 transitions, 1232 flow [2023-08-25 04:45:06,515 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 584 places, 607 transitions, 1232 flow [2023-08-25 04:45:06,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 584 places, 607 transitions, 1232 flow [2023-08-25 04:45:06,644 INFO L124 PetriNetUnfolderBase]: 33/607 cut-off events. [2023-08-25 04:45:06,645 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-25 04:45:06,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 620 conditions, 607 events. 33/607 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1446 event pairs, 0 based on Foata normal form. 0/512 useless extension candidates. Maximal degree in co-relation 439. Up to 3 conditions per place. [2023-08-25 04:45:06,722 INFO L119 LiptonReduction]: Number of co-enabled transitions 85536 [2023-08-25 04:45:19,082 INFO L134 LiptonReduction]: Checked pairs total: 544307 [2023-08-25 04:45:19,083 INFO L136 LiptonReduction]: Total number of compositions: 535 [2023-08-25 04:45:19,095 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 04:45:19,100 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@57d987c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 04:45:19,100 INFO L358 AbstractCegarLoop]: Starting to check reachability of 108 error locations. [2023-08-25 04:45:19,101 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 04:45:19,101 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 04:45:19,101 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 04:45:19,101 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:45:19,102 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 04:45:19,102 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-08-25 04:45:19,106 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:45:19,106 INFO L85 PathProgramCache]: Analyzing trace with hash 2257, now seen corresponding path program 1 times [2023-08-25 04:45:19,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:45:19,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545260873] [2023-08-25 04:45:19,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:45:19,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:45:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:45:19,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:45:19,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:45:19,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545260873] [2023-08-25 04:45:19,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545260873] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:45:19,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:45:19,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 04:45:19,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768650280] [2023-08-25 04:45:19,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:45:19,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 04:45:19,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:45:19,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 04:45:19,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 04:45:19,220 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 1156 [2023-08-25 04:45:19,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 223 transitions, 464 flow. Second operand has 2 states, 2 states have (on average 594.5) internal successors, (1189), 2 states have internal predecessors, (1189), 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) [2023-08-25 04:45:19,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:45:19,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 1156 [2023-08-25 04:45:19,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:45:22,456 INFO L124 PetriNetUnfolderBase]: 9696/31394 cut-off events. [2023-08-25 04:45:22,456 INFO L125 PetriNetUnfolderBase]: For 609/750 co-relation queries the response was YES. [2023-08-25 04:45:22,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44812 conditions, 31394 events. 9696/31394 cut-off events. For 609/750 co-relation queries the response was YES. Maximal size of possible extension queue 809. Compared 378396 event pairs, 7137 based on Foata normal form. 2400/28029 useless extension candidates. Maximal degree in co-relation 40903. Up to 13027 conditions per place. [2023-08-25 04:45:22,677 INFO L140 encePairwiseOnDemand]: 1129/1156 looper letters, 59 selfloop transitions, 0 changer transitions 0/196 dead transitions. [2023-08-25 04:45:22,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 196 transitions, 528 flow [2023-08-25 04:45:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 04:45:22,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 04:45:22,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1274 transitions. [2023-08-25 04:45:22,697 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.551038062283737 [2023-08-25 04:45:22,697 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1274 transitions. [2023-08-25 04:45:22,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1274 transitions. [2023-08-25 04:45:22,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:45:22,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1274 transitions. [2023-08-25 04:45:22,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 637.0) internal successors, (1274), 2 states have internal predecessors, (1274), 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) [2023-08-25 04:45:22,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1156.0) internal successors, (3468), 3 states have internal predecessors, (3468), 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) [2023-08-25 04:45:22,719 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1156.0) internal successors, (3468), 3 states have internal predecessors, (3468), 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) [2023-08-25 04:45:22,721 INFO L175 Difference]: Start difference. First operand has 217 places, 223 transitions, 464 flow. Second operand 2 states and 1274 transitions. [2023-08-25 04:45:22,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 196 transitions, 528 flow [2023-08-25 04:45:22,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 196 transitions, 516 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-25 04:45:22,738 INFO L231 Difference]: Finished difference. Result has 189 places, 196 transitions, 398 flow [2023-08-25 04:45:22,740 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1156, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=398, PETRI_PLACES=189, PETRI_TRANSITIONS=196} [2023-08-25 04:45:22,745 INFO L281 CegarLoopForPetriNet]: 217 programPoint places, -28 predicate places. [2023-08-25 04:45:22,745 INFO L495 AbstractCegarLoop]: Abstraction has has 189 places, 196 transitions, 398 flow [2023-08-25 04:45:22,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 594.5) internal successors, (1189), 2 states have internal predecessors, (1189), 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) [2023-08-25 04:45:22,746 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:45:22,746 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:45:22,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 04:45:22,747 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-08-25 04:45:22,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:45:22,754 INFO L85 PathProgramCache]: Analyzing trace with hash 721932987, now seen corresponding path program 1 times [2023-08-25 04:45:22,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:45:22,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146150489] [2023-08-25 04:45:22,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:45:22,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:45:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:45:22,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:45:22,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:45:22,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146150489] [2023-08-25 04:45:22,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146150489] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:45:22,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:45:22,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 04:45:22,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259982622] [2023-08-25 04:45:22,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:45:22,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 04:45:22,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:45:22,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 04:45:22,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 04:45:22,952 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 576 out of 1156 [2023-08-25 04:45:22,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 196 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 578.3333333333334) internal successors, (1735), 3 states have internal predecessors, (1735), 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) [2023-08-25 04:45:22,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:45:22,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 576 of 1156 [2023-08-25 04:45:22,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:45:26,002 INFO L124 PetriNetUnfolderBase]: 13492/40961 cut-off events. [2023-08-25 04:45:26,002 INFO L125 PetriNetUnfolderBase]: For 197/672 co-relation queries the response was YES. [2023-08-25 04:45:26,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59321 conditions, 40961 events. 13492/40961 cut-off events. For 197/672 co-relation queries the response was YES. Maximal size of possible extension queue 1037. Compared 493973 event pairs, 10297 based on Foata normal form. 0/34060 useless extension candidates. Maximal degree in co-relation 59318. Up to 18202 conditions per place. [2023-08-25 04:45:26,249 INFO L140 encePairwiseOnDemand]: 1151/1156 looper letters, 62 selfloop transitions, 1 changer transitions 0/192 dead transitions. [2023-08-25 04:45:26,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 192 transitions, 516 flow [2023-08-25 04:45:26,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 04:45:26,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 04:45:26,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1795 transitions. [2023-08-25 04:45:26,254 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5175893886966552 [2023-08-25 04:45:26,254 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1795 transitions. [2023-08-25 04:45:26,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1795 transitions. [2023-08-25 04:45:26,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:45:26,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1795 transitions. [2023-08-25 04:45:26,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 598.3333333333334) internal successors, (1795), 3 states have internal predecessors, (1795), 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) [2023-08-25 04:45:26,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1156.0) internal successors, (4624), 4 states have internal predecessors, (4624), 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) [2023-08-25 04:45:26,267 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1156.0) internal successors, (4624), 4 states have internal predecessors, (4624), 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) [2023-08-25 04:45:26,267 INFO L175 Difference]: Start difference. First operand has 189 places, 196 transitions, 398 flow. Second operand 3 states and 1795 transitions. [2023-08-25 04:45:26,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 192 transitions, 516 flow [2023-08-25 04:45:26,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 192 transitions, 516 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 04:45:26,271 INFO L231 Difference]: Finished difference. Result has 187 places, 192 transitions, 392 flow [2023-08-25 04:45:26,271 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1156, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=187, PETRI_TRANSITIONS=192} [2023-08-25 04:45:26,272 INFO L281 CegarLoopForPetriNet]: 217 programPoint places, -30 predicate places. [2023-08-25 04:45:26,272 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 192 transitions, 392 flow [2023-08-25 04:45:26,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 578.3333333333334) internal successors, (1735), 3 states have internal predecessors, (1735), 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) [2023-08-25 04:45:26,273 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:45:26,273 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:45:26,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 04:45:26,274 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-08-25 04:45:26,274 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:45:26,274 INFO L85 PathProgramCache]: Analyzing trace with hash -2007056195, now seen corresponding path program 1 times [2023-08-25 04:45:26,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:45:26,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570110141] [2023-08-25 04:45:26,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:45:26,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:45:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:45:26,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:45:26,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:45:26,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570110141] [2023-08-25 04:45:26,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570110141] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:45:26,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:45:26,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 04:45:26,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365112708] [2023-08-25 04:45:26,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:45:26,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 04:45:26,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:45:26,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 04:45:26,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 04:45:26,382 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 576 out of 1156 [2023-08-25 04:45:26,384 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 192 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 578.6666666666666) internal successors, (1736), 3 states have internal predecessors, (1736), 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) [2023-08-25 04:45:26,384 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:45:26,384 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 576 of 1156 [2023-08-25 04:45:26,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:45:29,068 INFO L124 PetriNetUnfolderBase]: 13022/39327 cut-off events. [2023-08-25 04:45:29,068 INFO L125 PetriNetUnfolderBase]: For 193/401 co-relation queries the response was YES. [2023-08-25 04:45:29,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57013 conditions, 39327 events. 13022/39327 cut-off events. For 193/401 co-relation queries the response was YES. Maximal size of possible extension queue 1023. Compared 474035 event pairs, 9875 based on Foata normal form. 0/32552 useless extension candidates. Maximal degree in co-relation 57009. Up to 17546 conditions per place. [2023-08-25 04:45:29,295 INFO L140 encePairwiseOnDemand]: 1151/1156 looper letters, 62 selfloop transitions, 1 changer transitions 0/188 dead transitions. [2023-08-25 04:45:29,295 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 188 transitions, 510 flow [2023-08-25 04:45:29,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 04:45:29,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 04:45:29,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1795 transitions. [2023-08-25 04:45:29,300 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5175893886966552 [2023-08-25 04:45:29,300 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1795 transitions. [2023-08-25 04:45:29,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1795 transitions. [2023-08-25 04:45:29,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:45:29,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1795 transitions. [2023-08-25 04:45:29,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 598.3333333333334) internal successors, (1795), 3 states have internal predecessors, (1795), 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) [2023-08-25 04:45:29,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1156.0) internal successors, (4624), 4 states have internal predecessors, (4624), 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) [2023-08-25 04:45:29,313 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1156.0) internal successors, (4624), 4 states have internal predecessors, (4624), 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) [2023-08-25 04:45:29,313 INFO L175 Difference]: Start difference. First operand has 187 places, 192 transitions, 392 flow. Second operand 3 states and 1795 transitions. [2023-08-25 04:45:29,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 188 transitions, 510 flow [2023-08-25 04:45:29,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 188 transitions, 509 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 04:45:29,317 INFO L231 Difference]: Finished difference. Result has 184 places, 188 transitions, 385 flow [2023-08-25 04:45:29,318 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1156, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=385, PETRI_PLACES=184, PETRI_TRANSITIONS=188} [2023-08-25 04:45:29,319 INFO L281 CegarLoopForPetriNet]: 217 programPoint places, -33 predicate places. [2023-08-25 04:45:29,319 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 188 transitions, 385 flow [2023-08-25 04:45:29,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 578.6666666666666) internal successors, (1736), 3 states have internal predecessors, (1736), 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) [2023-08-25 04:45:29,321 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:45:29,321 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:45:29,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 04:45:29,325 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-08-25 04:45:29,325 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:45:29,326 INFO L85 PathProgramCache]: Analyzing trace with hash -26062910, now seen corresponding path program 1 times [2023-08-25 04:45:29,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:45:29,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492119449] [2023-08-25 04:45:29,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:45:29,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:45:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:45:29,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:45:29,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:45:29,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492119449] [2023-08-25 04:45:29,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492119449] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:45:29,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:45:29,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 04:45:29,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979488636] [2023-08-25 04:45:29,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:45:29,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 04:45:29,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:45:29,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 04:45:29,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 04:45:29,417 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 576 out of 1156 [2023-08-25 04:45:29,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 188 transitions, 385 flow. Second operand has 3 states, 3 states have (on average 579.3333333333334) internal successors, (1738), 3 states have internal predecessors, (1738), 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) [2023-08-25 04:45:29,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:45:29,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 576 of 1156 [2023-08-25 04:45:29,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:45:31,780 INFO L124 PetriNetUnfolderBase]: 11196/34405 cut-off events. [2023-08-25 04:45:31,780 INFO L125 PetriNetUnfolderBase]: For 190/266 co-relation queries the response was YES. [2023-08-25 04:45:31,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49595 conditions, 34405 events. 11196/34405 cut-off events. For 190/266 co-relation queries the response was YES. Maximal size of possible extension queue 908. Compared 411686 event pairs, 8355 based on Foata normal form. 0/28316 useless extension candidates. Maximal degree in co-relation 49591. Up to 15062 conditions per place. [2023-08-25 04:45:32,091 INFO L140 encePairwiseOnDemand]: 1151/1156 looper letters, 60 selfloop transitions, 1 changer transitions 0/184 dead transitions. [2023-08-25 04:45:32,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 184 transitions, 499 flow [2023-08-25 04:45:32,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 04:45:32,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 04:45:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1793 transitions. [2023-08-25 04:45:32,098 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5170126874279123 [2023-08-25 04:45:32,098 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1793 transitions. [2023-08-25 04:45:32,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1793 transitions. [2023-08-25 04:45:32,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:45:32,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1793 transitions. [2023-08-25 04:45:32,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 597.6666666666666) internal successors, (1793), 3 states have internal predecessors, (1793), 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) [2023-08-25 04:45:32,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1156.0) internal successors, (4624), 4 states have internal predecessors, (4624), 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) [2023-08-25 04:45:32,112 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1156.0) internal successors, (4624), 4 states have internal predecessors, (4624), 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) [2023-08-25 04:45:32,112 INFO L175 Difference]: Start difference. First operand has 184 places, 188 transitions, 385 flow. Second operand 3 states and 1793 transitions. [2023-08-25 04:45:32,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 184 transitions, 499 flow [2023-08-25 04:45:32,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 184 transitions, 498 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 04:45:32,116 INFO L231 Difference]: Finished difference. Result has 181 places, 184 transitions, 378 flow [2023-08-25 04:45:32,116 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1156, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=378, PETRI_PLACES=181, PETRI_TRANSITIONS=184} [2023-08-25 04:45:32,118 INFO L281 CegarLoopForPetriNet]: 217 programPoint places, -36 predicate places. [2023-08-25 04:45:32,118 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 184 transitions, 378 flow [2023-08-25 04:45:32,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 579.3333333333334) internal successors, (1738), 3 states have internal predecessors, (1738), 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) [2023-08-25 04:45:32,119 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:45:32,119 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:45:32,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 04:45:32,119 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-08-25 04:45:32,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:45:32,120 INFO L85 PathProgramCache]: Analyzing trace with hash -258147437, now seen corresponding path program 1 times [2023-08-25 04:45:32,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:45:32,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428853849] [2023-08-25 04:45:32,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:45:32,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:45:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:45:32,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:45:32,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:45:32,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428853849] [2023-08-25 04:45:32,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428853849] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:45:32,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:45:32,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 04:45:32,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16971838] [2023-08-25 04:45:32,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:45:32,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 04:45:32,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:45:32,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 04:45:32,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 04:45:32,197 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 586 out of 1156 [2023-08-25 04:45:32,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 184 transitions, 378 flow. Second operand has 3 states, 3 states have (on average 589.0) internal successors, (1767), 3 states have internal predecessors, (1767), 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) [2023-08-25 04:45:32,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:45:32,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 586 of 1156 [2023-08-25 04:45:32,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:45:34,452 INFO L124 PetriNetUnfolderBase]: 10616/33631 cut-off events. [2023-08-25 04:45:34,453 INFO L125 PetriNetUnfolderBase]: For 169/169 co-relation queries the response was YES. [2023-08-25 04:45:34,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48037 conditions, 33631 events. 10616/33631 cut-off events. For 169/169 co-relation queries the response was YES. Maximal size of possible extension queue 810. Compared 401601 event pairs, 7137 based on Foata normal form. 0/27539 useless extension candidates. Maximal degree in co-relation 48033. Up to 13027 conditions per place. [2023-08-25 04:45:34,631 INFO L140 encePairwiseOnDemand]: 1153/1156 looper letters, 92 selfloop transitions, 2 changer transitions 0/219 dead transitions. [2023-08-25 04:45:34,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 219 transitions, 638 flow [2023-08-25 04:45:34,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 04:45:34,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 04:45:34,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1853 transitions. [2023-08-25 04:45:34,638 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5343137254901961 [2023-08-25 04:45:34,638 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1853 transitions. [2023-08-25 04:45:34,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1853 transitions. [2023-08-25 04:45:34,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:45:34,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1853 transitions. [2023-08-25 04:45:34,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 617.6666666666666) internal successors, (1853), 3 states have internal predecessors, (1853), 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) [2023-08-25 04:45:34,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1156.0) internal successors, (4624), 4 states have internal predecessors, (4624), 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) [2023-08-25 04:45:34,653 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1156.0) internal successors, (4624), 4 states have internal predecessors, (4624), 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) [2023-08-25 04:45:34,653 INFO L175 Difference]: Start difference. First operand has 181 places, 184 transitions, 378 flow. Second operand 3 states and 1853 transitions. [2023-08-25 04:45:34,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 219 transitions, 638 flow [2023-08-25 04:45:34,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 219 transitions, 637 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 04:45:34,659 INFO L231 Difference]: Finished difference. Result has 183 places, 185 transitions, 389 flow [2023-08-25 04:45:34,660 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1156, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=389, PETRI_PLACES=183, PETRI_TRANSITIONS=185} [2023-08-25 04:45:34,662 INFO L281 CegarLoopForPetriNet]: 217 programPoint places, -34 predicate places. [2023-08-25 04:45:34,662 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 185 transitions, 389 flow [2023-08-25 04:45:34,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 589.0) internal successors, (1767), 3 states have internal predecessors, (1767), 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) [2023-08-25 04:45:34,663 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:45:34,663 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:45:34,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 04:45:34,663 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-08-25 04:45:34,663 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:45:34,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1954199422, now seen corresponding path program 1 times [2023-08-25 04:45:34,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:45:34,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672476446] [2023-08-25 04:45:34,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:45:34,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:45:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:45:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:45:35,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:45:35,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672476446] [2023-08-25 04:45:35,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672476446] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:45:35,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:45:35,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 04:45:35,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660540503] [2023-08-25 04:45:35,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:45:35,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 04:45:35,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:45:35,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 04:45:35,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 04:45:35,049 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 1156 [2023-08-25 04:45:35,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 185 transitions, 389 flow. Second operand has 6 states, 6 states have (on average 482.3333333333333) internal successors, (2894), 6 states have internal predecessors, (2894), 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) [2023-08-25 04:45:35,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:45:35,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 1156 [2023-08-25 04:45:35,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:46:40,857 INFO L124 PetriNetUnfolderBase]: 709444/970029 cut-off events. [2023-08-25 04:46:40,857 INFO L125 PetriNetUnfolderBase]: For 35976/35976 co-relation queries the response was YES. [2023-08-25 04:46:42,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1955396 conditions, 970029 events. 709444/970029 cut-off events. For 35976/35976 co-relation queries the response was YES. Maximal size of possible extension queue 9242. Compared 7740171 event pairs, 76793 based on Foata normal form. 0/824920 useless extension candidates. Maximal degree in co-relation 1955391. Up to 344146 conditions per place. [2023-08-25 04:46:46,353 INFO L140 encePairwiseOnDemand]: 1151/1156 looper letters, 564 selfloop transitions, 4 changer transitions 0/612 dead transitions. [2023-08-25 04:46:46,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 612 transitions, 2419 flow [2023-08-25 04:46:46,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 04:46:46,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 04:46:46,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3444 transitions. [2023-08-25 04:46:46,360 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49653979238754326 [2023-08-25 04:46:46,360 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3444 transitions. [2023-08-25 04:46:46,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3444 transitions. [2023-08-25 04:46:46,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:46:46,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3444 transitions. [2023-08-25 04:46:46,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 574.0) internal successors, (3444), 6 states have internal predecessors, (3444), 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) [2023-08-25 04:46:46,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1156.0) internal successors, (8092), 7 states have internal predecessors, (8092), 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) [2023-08-25 04:46:46,378 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1156.0) internal successors, (8092), 7 states have internal predecessors, (8092), 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) [2023-08-25 04:46:46,378 INFO L175 Difference]: Start difference. First operand has 183 places, 185 transitions, 389 flow. Second operand 6 states and 3444 transitions. [2023-08-25 04:46:46,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 612 transitions, 2419 flow [2023-08-25 04:46:46,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 612 transitions, 2409 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 04:46:46,419 INFO L231 Difference]: Finished difference. Result has 186 places, 184 transitions, 393 flow [2023-08-25 04:46:46,419 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1156, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=393, PETRI_PLACES=186, PETRI_TRANSITIONS=184} [2023-08-25 04:46:46,419 INFO L281 CegarLoopForPetriNet]: 217 programPoint places, -31 predicate places. [2023-08-25 04:46:46,420 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 184 transitions, 393 flow [2023-08-25 04:46:46,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 482.3333333333333) internal successors, (2894), 6 states have internal predecessors, (2894), 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) [2023-08-25 04:46:46,421 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:46:46,421 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:46:46,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 04:46:46,421 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-08-25 04:46:46,422 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:46:46,422 INFO L85 PathProgramCache]: Analyzing trace with hash -48987716, now seen corresponding path program 1 times [2023-08-25 04:46:46,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:46:46,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665488872] [2023-08-25 04:46:46,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:46:46,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:46:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:46:46,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:46:46,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:46:46,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665488872] [2023-08-25 04:46:46,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665488872] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:46:46,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:46:46,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 04:46:46,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877176567] [2023-08-25 04:46:46,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:46:46,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 04:46:46,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:46:46,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 04:46:46,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 04:46:46,475 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 586 out of 1156 [2023-08-25 04:46:46,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 184 transitions, 393 flow. Second operand has 3 states, 3 states have (on average 589.6666666666666) internal successors, (1769), 3 states have internal predecessors, (1769), 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) [2023-08-25 04:46:46,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:46:46,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 586 of 1156 [2023-08-25 04:46:46,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:46:48,743 INFO L124 PetriNetUnfolderBase]: 11516/35851 cut-off events. [2023-08-25 04:46:48,743 INFO L125 PetriNetUnfolderBase]: For 2900/2962 co-relation queries the response was YES. [2023-08-25 04:46:48,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54714 conditions, 35851 events. 11516/35851 cut-off events. For 2900/2962 co-relation queries the response was YES. Maximal size of possible extension queue 848. Compared 431349 event pairs, 7901 based on Foata normal form. 0/29929 useless extension candidates. Maximal degree in co-relation 54709. Up to 14279 conditions per place. [2023-08-25 04:46:49,097 INFO L140 encePairwiseOnDemand]: 1153/1156 looper letters, 92 selfloop transitions, 2 changer transitions 0/218 dead transitions. [2023-08-25 04:46:49,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 218 transitions, 661 flow [2023-08-25 04:46:49,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 04:46:49,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 04:46:49,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1851 transitions. [2023-08-25 04:46:49,102 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5337370242214533 [2023-08-25 04:46:49,102 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1851 transitions. [2023-08-25 04:46:49,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1851 transitions. [2023-08-25 04:46:49,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:46:49,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1851 transitions. [2023-08-25 04:46:49,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 617.0) internal successors, (1851), 3 states have internal predecessors, (1851), 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) [2023-08-25 04:46:49,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1156.0) internal successors, (4624), 4 states have internal predecessors, (4624), 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) [2023-08-25 04:46:49,111 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1156.0) internal successors, (4624), 4 states have internal predecessors, (4624), 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) [2023-08-25 04:46:49,111 INFO L175 Difference]: Start difference. First operand has 186 places, 184 transitions, 393 flow. Second operand 3 states and 1851 transitions. [2023-08-25 04:46:49,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 218 transitions, 661 flow [2023-08-25 04:46:49,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 218 transitions, 652 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-25 04:46:49,130 INFO L231 Difference]: Finished difference. Result has 185 places, 185 transitions, 398 flow [2023-08-25 04:46:49,130 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1156, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=185, PETRI_TRANSITIONS=185} [2023-08-25 04:46:49,131 INFO L281 CegarLoopForPetriNet]: 217 programPoint places, -32 predicate places. [2023-08-25 04:46:49,131 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 185 transitions, 398 flow [2023-08-25 04:46:49,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 589.6666666666666) internal successors, (1769), 3 states have internal predecessors, (1769), 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) [2023-08-25 04:46:49,131 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:46:49,132 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:46:49,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 04:46:49,132 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-08-25 04:46:49,132 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:46:49,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1009043490, now seen corresponding path program 1 times [2023-08-25 04:46:49,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:46:49,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670735336] [2023-08-25 04:46:49,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:46:49,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:46:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:46:49,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:46:49,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:46:49,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670735336] [2023-08-25 04:46:49,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670735336] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:46:49,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:46:49,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 04:46:49,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416150981] [2023-08-25 04:46:49,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:46:49,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 04:46:49,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:46:49,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 04:46:49,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 04:46:49,163 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1156 [2023-08-25 04:46:49,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 185 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 582.6666666666666) internal successors, (1748), 3 states have internal predecessors, (1748), 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) [2023-08-25 04:46:49,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:46:49,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1156 [2023-08-25 04:46:49,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:46:52,562 INFO L124 PetriNetUnfolderBase]: 20682/54540 cut-off events. [2023-08-25 04:46:52,562 INFO L125 PetriNetUnfolderBase]: For 4639/4715 co-relation queries the response was YES. [2023-08-25 04:46:52,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88719 conditions, 54540 events. 20682/54540 cut-off events. For 4639/4715 co-relation queries the response was YES. Maximal size of possible extension queue 1201. Compared 644209 event pairs, 4745 based on Foata normal form. 5/47366 useless extension candidates. Maximal degree in co-relation 88713. Up to 21146 conditions per place. [2023-08-25 04:46:52,826 INFO L140 encePairwiseOnDemand]: 1150/1156 looper letters, 107 selfloop transitions, 2 changer transitions 0/225 dead transitions. [2023-08-25 04:46:52,827 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 225 transitions, 719 flow [2023-08-25 04:46:52,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 04:46:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 04:46:52,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1846 transitions. [2023-08-25 04:46:52,830 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5322952710495963 [2023-08-25 04:46:52,830 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1846 transitions. [2023-08-25 04:46:52,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1846 transitions. [2023-08-25 04:46:52,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:46:52,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1846 transitions. [2023-08-25 04:46:52,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 615.3333333333334) internal successors, (1846), 3 states have internal predecessors, (1846), 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) [2023-08-25 04:46:52,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1156.0) internal successors, (4624), 4 states have internal predecessors, (4624), 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) [2023-08-25 04:46:52,839 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1156.0) internal successors, (4624), 4 states have internal predecessors, (4624), 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) [2023-08-25 04:46:52,839 INFO L175 Difference]: Start difference. First operand has 185 places, 185 transitions, 398 flow. Second operand 3 states and 1846 transitions. [2023-08-25 04:46:52,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 225 transitions, 719 flow [2023-08-25 04:46:52,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 225 transitions, 715 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 04:46:52,860 INFO L231 Difference]: Finished difference. Result has 183 places, 183 transitions, 406 flow [2023-08-25 04:46:52,861 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1156, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=183, PETRI_TRANSITIONS=183} [2023-08-25 04:46:52,861 INFO L281 CegarLoopForPetriNet]: 217 programPoint places, -34 predicate places. [2023-08-25 04:46:52,861 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 183 transitions, 406 flow [2023-08-25 04:46:52,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 582.6666666666666) internal successors, (1748), 3 states have internal predecessors, (1748), 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) [2023-08-25 04:46:52,862 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:46:52,862 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:46:52,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 04:46:52,862 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-08-25 04:46:52,863 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:46:52,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1819487506, now seen corresponding path program 1 times [2023-08-25 04:46:52,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:46:52,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878925617] [2023-08-25 04:46:52,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:46:52,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:46:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:46:52,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:46:52,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:46:52,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878925617] [2023-08-25 04:46:52,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878925617] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:46:52,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:46:52,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 04:46:52,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934263642] [2023-08-25 04:46:52,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:46:52,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 04:46:52,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:46:52,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 04:46:52,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 04:46:52,918 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 586 out of 1156 [2023-08-25 04:46:52,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 183 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 590.3333333333334) internal successors, (1771), 3 states have internal predecessors, (1771), 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) [2023-08-25 04:46:52,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:46:52,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 586 of 1156 [2023-08-25 04:46:52,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:46:56,230 INFO L124 PetriNetUnfolderBase]: 17642/48260 cut-off events. [2023-08-25 04:46:56,230 INFO L125 PetriNetUnfolderBase]: For 6762/6834 co-relation queries the response was YES. [2023-08-25 04:46:56,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79203 conditions, 48260 events. 17642/48260 cut-off events. For 6762/6834 co-relation queries the response was YES. Maximal size of possible extension queue 1206. Compared 573547 event pairs, 12379 based on Foata normal form. 0/43264 useless extension candidates. Maximal degree in co-relation 79197. Up to 22389 conditions per place. [2023-08-25 04:46:56,445 INFO L140 encePairwiseOnDemand]: 1153/1156 looper letters, 95 selfloop transitions, 2 changer transitions 0/217 dead transitions. [2023-08-25 04:46:56,445 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 217 transitions, 700 flow [2023-08-25 04:46:56,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 04:46:56,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 04:46:56,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1848 transitions. [2023-08-25 04:46:56,448 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.532871972318339 [2023-08-25 04:46:56,449 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1848 transitions. [2023-08-25 04:46:56,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1848 transitions. [2023-08-25 04:46:56,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:46:56,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1848 transitions. [2023-08-25 04:46:56,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 616.0) internal successors, (1848), 3 states have internal predecessors, (1848), 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) [2023-08-25 04:46:56,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1156.0) internal successors, (4624), 4 states have internal predecessors, (4624), 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) [2023-08-25 04:46:56,457 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1156.0) internal successors, (4624), 4 states have internal predecessors, (4624), 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) [2023-08-25 04:46:56,457 INFO L175 Difference]: Start difference. First operand has 183 places, 183 transitions, 406 flow. Second operand 3 states and 1848 transitions. [2023-08-25 04:46:56,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 217 transitions, 700 flow [2023-08-25 04:46:56,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 217 transitions, 700 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 04:46:56,470 INFO L231 Difference]: Finished difference. Result has 186 places, 184 transitions, 418 flow [2023-08-25 04:46:56,470 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1156, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=186, PETRI_TRANSITIONS=184} [2023-08-25 04:46:56,471 INFO L281 CegarLoopForPetriNet]: 217 programPoint places, -31 predicate places. [2023-08-25 04:46:56,471 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 184 transitions, 418 flow [2023-08-25 04:46:56,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 590.3333333333334) internal successors, (1771), 3 states have internal predecessors, (1771), 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) [2023-08-25 04:46:56,471 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:46:56,472 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:46:56,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-25 04:46:56,472 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-08-25 04:46:56,472 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:46:56,472 INFO L85 PathProgramCache]: Analyzing trace with hash 226553300, now seen corresponding path program 1 times [2023-08-25 04:46:56,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:46:56,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654533499] [2023-08-25 04:46:56,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:46:56,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:46:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:46:56,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:46:56,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:46:56,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654533499] [2023-08-25 04:46:56,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654533499] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:46:56,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:46:56,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 04:46:56,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953608424] [2023-08-25 04:46:56,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:46:56,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 04:46:56,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:46:56,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 04:46:56,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 04:46:56,507 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1156 [2023-08-25 04:46:56,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 184 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 584.3333333333334) internal successors, (1753), 3 states have internal predecessors, (1753), 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) [2023-08-25 04:46:56,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:46:56,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1156 [2023-08-25 04:46:56,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:47:00,639 INFO L124 PetriNetUnfolderBase]: 28424/63754 cut-off events. [2023-08-25 04:47:00,639 INFO L125 PetriNetUnfolderBase]: For 13198/13271 co-relation queries the response was YES. [2023-08-25 04:47:00,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116890 conditions, 63754 events. 28424/63754 cut-off events. For 13198/13271 co-relation queries the response was YES. Maximal size of possible extension queue 1627. Compared 704442 event pairs, 7275 based on Foata normal form. 5/58717 useless extension candidates. Maximal degree in co-relation 116882. Up to 28390 conditions per place. [2023-08-25 04:47:00,983 INFO L140 encePairwiseOnDemand]: 1150/1156 looper letters, 111 selfloop transitions, 2 changer transitions 0/225 dead transitions. [2023-08-25 04:47:00,983 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 225 transitions, 771 flow [2023-08-25 04:47:00,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 04:47:00,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 04:47:00,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1844 transitions. [2023-08-25 04:47:00,986 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5317185697808535 [2023-08-25 04:47:00,986 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1844 transitions. [2023-08-25 04:47:00,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1844 transitions. [2023-08-25 04:47:00,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:47:00,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1844 transitions. [2023-08-25 04:47:00,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 614.6666666666666) internal successors, (1844), 3 states have internal predecessors, (1844), 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) [2023-08-25 04:47:00,993 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1156.0) internal successors, (4624), 4 states have internal predecessors, (4624), 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) [2023-08-25 04:47:00,994 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1156.0) internal successors, (4624), 4 states have internal predecessors, (4624), 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) [2023-08-25 04:47:00,994 INFO L175 Difference]: Start difference. First operand has 186 places, 184 transitions, 418 flow. Second operand 3 states and 1844 transitions. [2023-08-25 04:47:00,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 225 transitions, 771 flow [2023-08-25 04:47:01,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 225 transitions, 767 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 04:47:01,053 INFO L231 Difference]: Finished difference. Result has 184 places, 182 transitions, 424 flow [2023-08-25 04:47:01,054 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1156, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=184, PETRI_TRANSITIONS=182} [2023-08-25 04:47:01,054 INFO L281 CegarLoopForPetriNet]: 217 programPoint places, -33 predicate places. [2023-08-25 04:47:01,054 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 182 transitions, 424 flow [2023-08-25 04:47:01,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 584.3333333333334) internal successors, (1753), 3 states have internal predecessors, (1753), 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) [2023-08-25 04:47:01,055 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:47:01,055 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:47:01,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-25 04:47:01,055 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-08-25 04:47:01,055 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:47:01,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1720125382, now seen corresponding path program 1 times [2023-08-25 04:47:01,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:47:01,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520812239] [2023-08-25 04:47:01,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:47:01,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:47:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:47:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:47:01,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:47:01,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520812239] [2023-08-25 04:47:01,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520812239] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:47:01,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:47:01,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 04:47:01,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030263173] [2023-08-25 04:47:01,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:47:01,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 04:47:01,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:47:01,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 04:47:01,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-25 04:47:01,154 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 1156 [2023-08-25 04:47:01,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 182 transitions, 424 flow. Second operand has 5 states, 5 states have (on average 504.2) internal successors, (2521), 5 states have internal predecessors, (2521), 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) [2023-08-25 04:47:01,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:47:01,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 1156 [2023-08-25 04:47:01,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:47:13,065 INFO L124 PetriNetUnfolderBase]: 68363/147216 cut-off events. [2023-08-25 04:47:13,065 INFO L125 PetriNetUnfolderBase]: For 28250/28323 co-relation queries the response was YES. [2023-08-25 04:47:13,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 271261 conditions, 147216 events. 68363/147216 cut-off events. For 28250/28323 co-relation queries the response was YES. Maximal size of possible extension queue 2878. Compared 1744211 event pairs, 51796 based on Foata normal form. 794/135402 useless extension candidates. Maximal degree in co-relation 271253. Up to 76369 conditions per place. [2023-08-25 04:47:13,947 INFO L140 encePairwiseOnDemand]: 1151/1156 looper letters, 180 selfloop transitions, 4 changer transitions 0/275 dead transitions. [2023-08-25 04:47:13,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 275 transitions, 1052 flow [2023-08-25 04:47:13,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 04:47:13,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 04:47:13,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2676 transitions. [2023-08-25 04:47:13,952 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4629757785467128 [2023-08-25 04:47:13,952 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2676 transitions. [2023-08-25 04:47:13,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2676 transitions. [2023-08-25 04:47:13,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:47:13,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2676 transitions. [2023-08-25 04:47:13,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 535.2) internal successors, (2676), 5 states have internal predecessors, (2676), 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) [2023-08-25 04:47:13,962 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1156.0) internal successors, (6936), 6 states have internal predecessors, (6936), 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) [2023-08-25 04:47:13,963 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1156.0) internal successors, (6936), 6 states have internal predecessors, (6936), 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) [2023-08-25 04:47:13,963 INFO L175 Difference]: Start difference. First operand has 184 places, 182 transitions, 424 flow. Second operand 5 states and 2676 transitions. [2023-08-25 04:47:13,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 275 transitions, 1052 flow [2023-08-25 04:47:14,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 275 transitions, 1052 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 04:47:14,080 INFO L231 Difference]: Finished difference. Result has 191 places, 185 transitions, 453 flow [2023-08-25 04:47:14,081 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1156, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=453, PETRI_PLACES=191, PETRI_TRANSITIONS=185} [2023-08-25 04:47:14,081 INFO L281 CegarLoopForPetriNet]: 217 programPoint places, -26 predicate places. [2023-08-25 04:47:14,081 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 185 transitions, 453 flow [2023-08-25 04:47:14,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 504.2) internal successors, (2521), 5 states have internal predecessors, (2521), 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) [2023-08-25 04:47:14,082 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:47:14,082 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:47:14,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-25 04:47:14,082 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-08-25 04:47:14,082 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:47:14,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1712923310, now seen corresponding path program 1 times [2023-08-25 04:47:14,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:47:14,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712065903] [2023-08-25 04:47:14,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:47:14,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:47:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:47:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-25 04:47:14,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:47:14,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712065903] [2023-08-25 04:47:14,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712065903] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:47:14,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:47:14,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-25 04:47:14,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012773426] [2023-08-25 04:47:14,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:47:14,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 04:47:14,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:47:14,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 04:47:14,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-25 04:47:14,221 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 495 out of 1156 [2023-08-25 04:47:14,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 185 transitions, 453 flow. Second operand has 6 states, 6 states have (on average 497.8333333333333) internal successors, (2987), 6 states have internal predecessors, (2987), 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) [2023-08-25 04:47:14,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:47:14,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 495 of 1156 [2023-08-25 04:47:14,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:47:30,605 INFO L124 PetriNetUnfolderBase]: 97707/213317 cut-off events. [2023-08-25 04:47:30,605 INFO L125 PetriNetUnfolderBase]: For 51274/51420 co-relation queries the response was YES. [2023-08-25 04:47:31,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 401118 conditions, 213317 events. 97707/213317 cut-off events. For 51274/51420 co-relation queries the response was YES. Maximal size of possible extension queue 4464. Compared 2684690 event pairs, 62764 based on Foata normal form. 794/197078 useless extension candidates. Maximal degree in co-relation 401106. Up to 93262 conditions per place. [2023-08-25 04:47:32,127 INFO L140 encePairwiseOnDemand]: 1146/1156 looper letters, 217 selfloop transitions, 12 changer transitions 0/320 dead transitions. [2023-08-25 04:47:32,127 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 320 transitions, 1296 flow [2023-08-25 04:47:32,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-25 04:47:32,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-25 04:47:32,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3672 transitions. [2023-08-25 04:47:32,133 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.453781512605042 [2023-08-25 04:47:32,133 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3672 transitions. [2023-08-25 04:47:32,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3672 transitions. [2023-08-25 04:47:32,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:47:32,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3672 transitions. [2023-08-25 04:47:32,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 524.5714285714286) internal successors, (3672), 7 states have internal predecessors, (3672), 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) [2023-08-25 04:47:32,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1156.0) internal successors, (9248), 8 states have internal predecessors, (9248), 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) [2023-08-25 04:47:32,147 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1156.0) internal successors, (9248), 8 states have internal predecessors, (9248), 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) [2023-08-25 04:47:32,147 INFO L175 Difference]: Start difference. First operand has 191 places, 185 transitions, 453 flow. Second operand 7 states and 3672 transitions. [2023-08-25 04:47:32,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 320 transitions, 1296 flow [2023-08-25 04:47:32,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 320 transitions, 1292 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-25 04:47:32,733 INFO L231 Difference]: Finished difference. Result has 201 places, 195 transitions, 551 flow [2023-08-25 04:47:32,734 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1156, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=551, PETRI_PLACES=201, PETRI_TRANSITIONS=195} [2023-08-25 04:47:32,734 INFO L281 CegarLoopForPetriNet]: 217 programPoint places, -16 predicate places. [2023-08-25 04:47:32,735 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 195 transitions, 551 flow [2023-08-25 04:47:32,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 497.8333333333333) internal successors, (2987), 6 states have internal predecessors, (2987), 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) [2023-08-25 04:47:32,736 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:47:32,736 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:47:32,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-25 04:47:32,736 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-08-25 04:47:32,736 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:47:32,736 INFO L85 PathProgramCache]: Analyzing trace with hash 513983600, now seen corresponding path program 1 times [2023-08-25 04:47:32,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:47:32,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637207241] [2023-08-25 04:47:32,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:47:32,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:47:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:47:32,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:47:32,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:47:32,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637207241] [2023-08-25 04:47:32,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637207241] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:47:32,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:47:32,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 04:47:32,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690638682] [2023-08-25 04:47:32,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:47:32,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 04:47:32,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:47:32,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 04:47:32,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-25 04:47:32,848 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 495 out of 1156 [2023-08-25 04:47:32,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 195 transitions, 551 flow. Second operand has 6 states, 6 states have (on average 498.1666666666667) internal successors, (2989), 6 states have internal predecessors, (2989), 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) [2023-08-25 04:47:32,850 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:47:32,850 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 495 of 1156 [2023-08-25 04:47:32,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:47:49,495 INFO L124 PetriNetUnfolderBase]: 110972/200551 cut-off events. [2023-08-25 04:47:49,495 INFO L125 PetriNetUnfolderBase]: For 133691/134031 co-relation queries the response was YES. [2023-08-25 04:47:50,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445763 conditions, 200551 events. 110972/200551 cut-off events. For 133691/134031 co-relation queries the response was YES. Maximal size of possible extension queue 4026. Compared 2127710 event pairs, 83673 based on Foata normal form. 538/184404 useless extension candidates. Maximal degree in co-relation 445746. Up to 141755 conditions per place. [2023-08-25 04:47:51,238 INFO L140 encePairwiseOnDemand]: 1148/1156 looper letters, 205 selfloop transitions, 7 changer transitions 0/303 dead transitions. [2023-08-25 04:47:51,238 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 303 transitions, 1363 flow [2023-08-25 04:47:51,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 04:47:51,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 04:47:51,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3149 transitions. [2023-08-25 04:47:51,243 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4540080738177624 [2023-08-25 04:47:51,243 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3149 transitions. [2023-08-25 04:47:51,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3149 transitions. [2023-08-25 04:47:51,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:47:51,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3149 transitions. [2023-08-25 04:47:51,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 524.8333333333334) internal successors, (3149), 6 states have internal predecessors, (3149), 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) [2023-08-25 04:47:51,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1156.0) internal successors, (8092), 7 states have internal predecessors, (8092), 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) [2023-08-25 04:47:51,254 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1156.0) internal successors, (8092), 7 states have internal predecessors, (8092), 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) [2023-08-25 04:47:51,254 INFO L175 Difference]: Start difference. First operand has 201 places, 195 transitions, 551 flow. Second operand 6 states and 3149 transitions. [2023-08-25 04:47:51,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 303 transitions, 1363 flow [2023-08-25 04:47:51,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 303 transitions, 1351 flow, removed 4 selfloop flow, removed 1 redundant places. [2023-08-25 04:47:51,561 INFO L231 Difference]: Finished difference. Result has 208 places, 199 transitions, 589 flow [2023-08-25 04:47:51,562 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1156, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=589, PETRI_PLACES=208, PETRI_TRANSITIONS=199} [2023-08-25 04:47:51,562 INFO L281 CegarLoopForPetriNet]: 217 programPoint places, -9 predicate places. [2023-08-25 04:47:51,562 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 199 transitions, 589 flow [2023-08-25 04:47:51,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 498.1666666666667) internal successors, (2989), 6 states have internal predecessors, (2989), 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) [2023-08-25 04:47:51,563 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:47:51,563 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:47:51,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-25 04:47:51,563 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 104 more)] === [2023-08-25 04:47:51,563 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:47:51,563 INFO L85 PathProgramCache]: Analyzing trace with hash -889896700, now seen corresponding path program 1 times [2023-08-25 04:47:51,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:47:51,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991535741] [2023-08-25 04:47:51,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:47:51,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:47:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:47:51,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 04:47:51,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:47:51,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991535741] [2023-08-25 04:47:51,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991535741] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:47:51,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:47:51,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 04:47:51,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889859659] [2023-08-25 04:47:51,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:47:51,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 04:47:51,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:47:51,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 04:47:51,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 04:47:51,934 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 473 out of 1156 [2023-08-25 04:47:51,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 199 transitions, 589 flow. Second operand has 6 states, 6 states have (on average 476.0) internal successors, (2856), 6 states have internal predecessors, (2856), 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) [2023-08-25 04:47:51,936 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:47:51,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 473 of 1156 [2023-08-25 04:47:51,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand