./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-name-comparator-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-name-comparator-subst.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3855d6da0b439f4c6a497e897f140f408df8c7fd65e3042f0fafae1979048a3d --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:59:20,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:59:20,937 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:59:20,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:59:20,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:59:20,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:59:20,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:59:20,969 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:59:20,969 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:59:20,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:59:20,970 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:59:20,971 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:59:20,971 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:59:20,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:59:20,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:59:20,973 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:59:20,973 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:59:20,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:59:20,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:59:20,974 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:59:20,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:59:20,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:59:20,976 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:59:20,976 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:59:20,977 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:59:20,977 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:59:20,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:59:20,977 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:59:20,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:59:20,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:59:20,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:59:20,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:59:20,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:59:20,979 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:59:20,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:59:20,979 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:59:20,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:59:20,980 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:59:20,980 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:59:20,980 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:59:20,981 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:59:20,981 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3855d6da0b439f4c6a497e897f140f408df8c7fd65e3042f0fafae1979048a3d [2024-11-09 06:59:21,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:59:21,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:59:21,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:59:21,202 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:59:21,202 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:59:21,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-name-comparator-subst.wvr.c [2024-11-09 06:59:22,678 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:59:22,882 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:59:22,882 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-name-comparator-subst.wvr.c [2024-11-09 06:59:22,889 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d781e142e/96c7ae3d223048eebac0093154dbf215/FLAG2553ba867 [2024-11-09 06:59:22,902 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d781e142e/96c7ae3d223048eebac0093154dbf215 [2024-11-09 06:59:22,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:59:22,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:59:22,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:59:22,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:59:22,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:59:22,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:59:22" (1/1) ... [2024-11-09 06:59:22,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e2f668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:22, skipping insertion in model container [2024-11-09 06:59:22,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:59:22" (1/1) ... [2024-11-09 06:59:22,932 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:59:23,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:59:23,151 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:59:23,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:59:23,220 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:59:23,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:23 WrapperNode [2024-11-09 06:59:23,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:59:23,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:59:23,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:59:23,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:59:23,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:23" (1/1) ... [2024-11-09 06:59:23,243 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:23" (1/1) ... [2024-11-09 06:59:23,291 INFO L138 Inliner]: procedures = 25, calls = 30, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 848 [2024-11-09 06:59:23,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:59:23,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:59:23,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:59:23,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:59:23,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:23" (1/1) ... [2024-11-09 06:59:23,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:23" (1/1) ... [2024-11-09 06:59:23,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:23" (1/1) ... [2024-11-09 06:59:23,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:23" (1/1) ... [2024-11-09 06:59:23,322 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:23" (1/1) ... [2024-11-09 06:59:23,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:23" (1/1) ... [2024-11-09 06:59:23,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:23" (1/1) ... [2024-11-09 06:59:23,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:23" (1/1) ... [2024-11-09 06:59:23,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:59:23,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:59:23,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:59:23,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:59:23,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:23" (1/1) ... [2024-11-09 06:59:23,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:59:23,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:59:23,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 06:59:23,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 06:59:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:59:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 06:59:23,417 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 06:59:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 06:59:23,417 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 06:59:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-09 06:59:23,417 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-09 06:59:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:59:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:59:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:59:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:59:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:59:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:59:23,420 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:59:23,559 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:59:23,561 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:59:24,456 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:59:24,457 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:59:24,484 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:59:24,484 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 06:59:24,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:59:24 BoogieIcfgContainer [2024-11-09 06:59:24,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:59:24,486 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:59:24,487 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:59:24,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:59:24,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:59:22" (1/3) ... [2024-11-09 06:59:24,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0e50c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:59:24, skipping insertion in model container [2024-11-09 06:59:24,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:23" (2/3) ... [2024-11-09 06:59:24,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0e50c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:59:24, skipping insertion in model container [2024-11-09 06:59:24,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:59:24" (3/3) ... [2024-11-09 06:59:24,492 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-subst.wvr.c [2024-11-09 06:59:24,507 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:59:24,507 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 151 error locations. [2024-11-09 06:59:24,507 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:59:24,699 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-09 06:59:24,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1064 places, 1112 transitions, 2245 flow [2024-11-09 06:59:25,234 INFO L124 PetriNetUnfolderBase]: 58/1109 cut-off events. [2024-11-09 06:59:25,234 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-09 06:59:25,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1122 conditions, 1109 events. 58/1109 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3842 event pairs, 0 based on Foata normal form. 0/900 useless extension candidates. Maximal degree in co-relation 849. Up to 2 conditions per place. [2024-11-09 06:59:25,274 INFO L82 GeneralOperation]: Start removeDead. Operand has 1064 places, 1112 transitions, 2245 flow [2024-11-09 06:59:25,309 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1041 places, 1086 transitions, 2190 flow [2024-11-09 06:59:25,317 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:59:25,322 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6a69516b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:59:25,323 INFO L334 AbstractCegarLoop]: Starting to check reachability of 283 error locations. [2024-11-09 06:59:25,325 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:59:25,326 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2024-11-09 06:59:25,326 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:59:25,326 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:25,327 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:25,327 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:25,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:25,331 INFO L85 PathProgramCache]: Analyzing trace with hash 149958739, now seen corresponding path program 1 times [2024-11-09 06:59:25,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:25,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583595654] [2024-11-09 06:59:25,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:25,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:25,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:25,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:25,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583595654] [2024-11-09 06:59:25,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583595654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:25,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:25,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:25,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503708173] [2024-11-09 06:59:25,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:25,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:25,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:25,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:25,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:25,593 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-09 06:59:25,600 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1041 places, 1086 transitions, 2190 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:25,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:25,601 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-09 06:59:25,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:29,059 INFO L124 PetriNetUnfolderBase]: 612/12182 cut-off events. [2024-11-09 06:59:29,059 INFO L125 PetriNetUnfolderBase]: For 63/81 co-relation queries the response was YES. [2024-11-09 06:59:29,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12467 conditions, 12182 events. 612/12182 cut-off events. For 63/81 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 122904 event pairs, 95 based on Foata normal form. 282/9859 useless extension candidates. Maximal degree in co-relation 12186. Up to 185 conditions per place. [2024-11-09 06:59:29,290 INFO L140 encePairwiseOnDemand]: 1091/1112 looper letters, 19 selfloop transitions, 2 changer transitions 2/1067 dead transitions. [2024-11-09 06:59:29,291 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1042 places, 1067 transitions, 2194 flow [2024-11-09 06:59:29,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:29,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:29,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3247 transitions. [2024-11-09 06:59:29,313 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9733213429256595 [2024-11-09 06:59:29,315 INFO L175 Difference]: Start difference. First operand has 1041 places, 1086 transitions, 2190 flow. Second operand 3 states and 3247 transitions. [2024-11-09 06:59:29,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1042 places, 1067 transitions, 2194 flow [2024-11-09 06:59:29,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1036 places, 1067 transitions, 2182 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-09 06:59:29,341 INFO L231 Difference]: Finished difference. Result has 1036 places, 1065 transitions, 2140 flow [2024-11-09 06:59:29,344 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2140, PETRI_DIFFERENCE_MINUEND_PLACES=1034, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1067, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1065, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2140, PETRI_PLACES=1036, PETRI_TRANSITIONS=1065} [2024-11-09 06:59:29,349 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -5 predicate places. [2024-11-09 06:59:29,350 INFO L471 AbstractCegarLoop]: Abstraction has has 1036 places, 1065 transitions, 2140 flow [2024-11-09 06:59:29,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:29,353 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:29,353 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:29,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:59:29,354 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:29,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:29,355 INFO L85 PathProgramCache]: Analyzing trace with hash 281971922, now seen corresponding path program 1 times [2024-11-09 06:59:29,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:29,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145889812] [2024-11-09 06:59:29,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:29,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:29,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:29,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:29,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145889812] [2024-11-09 06:59:29,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145889812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:29,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:29,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:29,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669389831] [2024-11-09 06:59:29,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:29,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:29,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:29,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:29,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:29,466 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-09 06:59:29,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1036 places, 1065 transitions, 2140 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:29,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:29,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-09 06:59:29,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:30,775 INFO L124 PetriNetUnfolderBase]: 226/4392 cut-off events. [2024-11-09 06:59:30,775 INFO L125 PetriNetUnfolderBase]: For 13/20 co-relation queries the response was YES. [2024-11-09 06:59:30,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4521 conditions, 4392 events. 226/4392 cut-off events. For 13/20 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 32828 event pairs, 45 based on Foata normal form. 0/3471 useless extension candidates. Maximal degree in co-relation 4480. Up to 110 conditions per place. [2024-11-09 06:59:30,911 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 19 selfloop transitions, 2 changer transitions 0/1064 dead transitions. [2024-11-09 06:59:30,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1035 places, 1064 transitions, 2180 flow [2024-11-09 06:59:30,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:30,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:30,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3229 transitions. [2024-11-09 06:59:30,918 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967925659472422 [2024-11-09 06:59:30,918 INFO L175 Difference]: Start difference. First operand has 1036 places, 1065 transitions, 2140 flow. Second operand 3 states and 3229 transitions. [2024-11-09 06:59:30,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1035 places, 1064 transitions, 2180 flow [2024-11-09 06:59:30,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1033 places, 1064 transitions, 2176 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:30,934 INFO L231 Difference]: Finished difference. Result has 1033 places, 1064 transitions, 2138 flow [2024-11-09 06:59:30,936 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2134, PETRI_DIFFERENCE_MINUEND_PLACES=1031, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1064, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1062, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2138, PETRI_PLACES=1033, PETRI_TRANSITIONS=1064} [2024-11-09 06:59:30,936 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -8 predicate places. [2024-11-09 06:59:30,937 INFO L471 AbstractCegarLoop]: Abstraction has has 1033 places, 1064 transitions, 2138 flow [2024-11-09 06:59:30,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:30,939 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:30,939 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:30,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:59:30,939 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:30,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:30,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1850467445, now seen corresponding path program 1 times [2024-11-09 06:59:30,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:30,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153579607] [2024-11-09 06:59:30,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:30,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:30,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:30,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:30,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153579607] [2024-11-09 06:59:30,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153579607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:30,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:30,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:30,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586465215] [2024-11-09 06:59:30,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:30,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:30,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:30,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:30,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:31,025 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-09 06:59:31,029 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1033 places, 1064 transitions, 2138 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:31,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:31,032 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-09 06:59:31,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:32,564 INFO L124 PetriNetUnfolderBase]: 240/3577 cut-off events. [2024-11-09 06:59:32,564 INFO L125 PetriNetUnfolderBase]: For 42/75 co-relation queries the response was YES. [2024-11-09 06:59:32,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3776 conditions, 3577 events. 240/3577 cut-off events. For 42/75 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 27187 event pairs, 95 based on Foata normal form. 0/2835 useless extension candidates. Maximal degree in co-relation 3727. Up to 185 conditions per place. [2024-11-09 06:59:32,665 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 19 selfloop transitions, 2 changer transitions 0/1063 dead transitions. [2024-11-09 06:59:32,666 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1034 places, 1063 transitions, 2178 flow [2024-11-09 06:59:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:32,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:32,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3229 transitions. [2024-11-09 06:59:32,671 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967925659472422 [2024-11-09 06:59:32,671 INFO L175 Difference]: Start difference. First operand has 1033 places, 1064 transitions, 2138 flow. Second operand 3 states and 3229 transitions. [2024-11-09 06:59:32,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1034 places, 1063 transitions, 2178 flow [2024-11-09 06:59:32,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1032 places, 1063 transitions, 2174 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:32,683 INFO L231 Difference]: Finished difference. Result has 1032 places, 1063 transitions, 2136 flow [2024-11-09 06:59:32,684 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2132, PETRI_DIFFERENCE_MINUEND_PLACES=1030, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1063, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1061, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2136, PETRI_PLACES=1032, PETRI_TRANSITIONS=1063} [2024-11-09 06:59:32,685 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -9 predicate places. [2024-11-09 06:59:32,685 INFO L471 AbstractCegarLoop]: Abstraction has has 1032 places, 1063 transitions, 2136 flow [2024-11-09 06:59:32,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:32,687 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:32,687 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:32,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:59:32,687 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:32,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:32,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1773364741, now seen corresponding path program 1 times [2024-11-09 06:59:32,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:32,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411485329] [2024-11-09 06:59:32,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:32,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:32,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:32,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:32,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411485329] [2024-11-09 06:59:32,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411485329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:32,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:32,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:32,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486384311] [2024-11-09 06:59:32,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:32,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:32,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:32,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:32,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:32,802 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1112 [2024-11-09 06:59:32,806 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1032 places, 1063 transitions, 2136 flow. Second operand has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:32,806 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:32,806 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1112 [2024-11-09 06:59:32,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:34,464 INFO L124 PetriNetUnfolderBase]: 245/5502 cut-off events. [2024-11-09 06:59:34,464 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-09 06:59:34,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5578 conditions, 5502 events. 245/5502 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 43729 event pairs, 16 based on Foata normal form. 0/4349 useless extension candidates. Maximal degree in co-relation 5521. Up to 51 conditions per place. [2024-11-09 06:59:34,641 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 18 selfloop transitions, 2 changer transitions 0/1062 dead transitions. [2024-11-09 06:59:34,642 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1033 places, 1062 transitions, 2174 flow [2024-11-09 06:59:34,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:34,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:34,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3231 transitions. [2024-11-09 06:59:34,647 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9685251798561151 [2024-11-09 06:59:34,647 INFO L175 Difference]: Start difference. First operand has 1032 places, 1063 transitions, 2136 flow. Second operand 3 states and 3231 transitions. [2024-11-09 06:59:34,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1033 places, 1062 transitions, 2174 flow [2024-11-09 06:59:34,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1031 places, 1062 transitions, 2170 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:34,660 INFO L231 Difference]: Finished difference. Result has 1031 places, 1062 transitions, 2134 flow [2024-11-09 06:59:34,661 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2130, PETRI_DIFFERENCE_MINUEND_PLACES=1029, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1062, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1060, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2134, PETRI_PLACES=1031, PETRI_TRANSITIONS=1062} [2024-11-09 06:59:34,662 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -10 predicate places. [2024-11-09 06:59:34,663 INFO L471 AbstractCegarLoop]: Abstraction has has 1031 places, 1062 transitions, 2134 flow [2024-11-09 06:59:34,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:34,664 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:34,665 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:34,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:59:34,666 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:34,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:34,667 INFO L85 PathProgramCache]: Analyzing trace with hash 2065779890, now seen corresponding path program 1 times [2024-11-09 06:59:34,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:34,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904673760] [2024-11-09 06:59:34,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:34,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:34,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:34,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:34,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904673760] [2024-11-09 06:59:34,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904673760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:34,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:34,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:34,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638885314] [2024-11-09 06:59:34,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:34,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:34,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:34,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:34,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:34,766 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1073 out of 1112 [2024-11-09 06:59:34,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1031 places, 1062 transitions, 2134 flow. Second operand has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:34,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:34,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1073 of 1112 [2024-11-09 06:59:34,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:35,230 INFO L124 PetriNetUnfolderBase]: 73/1611 cut-off events. [2024-11-09 06:59:35,230 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:59:35,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1672 conditions, 1611 events. 73/1611 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 8227 event pairs, 12 based on Foata normal form. 0/1297 useless extension candidates. Maximal degree in co-relation 1607. Up to 40 conditions per place. [2024-11-09 06:59:35,287 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 15 selfloop transitions, 2 changer transitions 0/1061 dead transitions. [2024-11-09 06:59:35,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1032 places, 1061 transitions, 2166 flow [2024-11-09 06:59:35,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:35,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3237 transitions. [2024-11-09 06:59:35,292 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9703237410071942 [2024-11-09 06:59:35,292 INFO L175 Difference]: Start difference. First operand has 1031 places, 1062 transitions, 2134 flow. Second operand 3 states and 3237 transitions. [2024-11-09 06:59:35,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1032 places, 1061 transitions, 2166 flow [2024-11-09 06:59:35,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1030 places, 1061 transitions, 2162 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:35,305 INFO L231 Difference]: Finished difference. Result has 1030 places, 1061 transitions, 2132 flow [2024-11-09 06:59:35,306 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2128, PETRI_DIFFERENCE_MINUEND_PLACES=1028, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1061, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1059, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2132, PETRI_PLACES=1030, PETRI_TRANSITIONS=1061} [2024-11-09 06:59:35,307 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -11 predicate places. [2024-11-09 06:59:35,307 INFO L471 AbstractCegarLoop]: Abstraction has has 1030 places, 1061 transitions, 2132 flow [2024-11-09 06:59:35,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:35,309 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:35,309 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:35,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:59:35,309 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:35,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:35,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1754966991, now seen corresponding path program 1 times [2024-11-09 06:59:35,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:35,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052406585] [2024-11-09 06:59:35,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:35,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:35,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:35,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:35,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052406585] [2024-11-09 06:59:35,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052406585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:35,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:35,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:35,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394708719] [2024-11-09 06:59:35,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:35,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:35,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:35,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:35,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:35,367 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1074 out of 1112 [2024-11-09 06:59:35,370 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1030 places, 1061 transitions, 2132 flow. Second operand has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:35,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:35,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1074 of 1112 [2024-11-09 06:59:35,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:36,242 INFO L124 PetriNetUnfolderBase]: 167/3835 cut-off events. [2024-11-09 06:59:36,243 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2024-11-09 06:59:36,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3889 conditions, 3835 events. 167/3835 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 26013 event pairs, 10 based on Foata normal form. 0/3045 useless extension candidates. Maximal degree in co-relation 3816. Up to 35 conditions per place. [2024-11-09 06:59:36,380 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 14 selfloop transitions, 2 changer transitions 0/1060 dead transitions. [2024-11-09 06:59:36,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1031 places, 1060 transitions, 2162 flow [2024-11-09 06:59:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:36,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:36,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3239 transitions. [2024-11-09 06:59:36,386 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9709232613908872 [2024-11-09 06:59:36,386 INFO L175 Difference]: Start difference. First operand has 1030 places, 1061 transitions, 2132 flow. Second operand 3 states and 3239 transitions. [2024-11-09 06:59:36,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1031 places, 1060 transitions, 2162 flow [2024-11-09 06:59:36,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1029 places, 1060 transitions, 2158 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:36,398 INFO L231 Difference]: Finished difference. Result has 1029 places, 1060 transitions, 2130 flow [2024-11-09 06:59:36,399 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2126, PETRI_DIFFERENCE_MINUEND_PLACES=1027, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1060, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1058, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2130, PETRI_PLACES=1029, PETRI_TRANSITIONS=1060} [2024-11-09 06:59:36,400 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -12 predicate places. [2024-11-09 06:59:36,400 INFO L471 AbstractCegarLoop]: Abstraction has has 1029 places, 1060 transitions, 2130 flow [2024-11-09 06:59:36,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:36,402 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:36,402 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:36,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:59:36,402 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:36,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:36,403 INFO L85 PathProgramCache]: Analyzing trace with hash 949180969, now seen corresponding path program 1 times [2024-11-09 06:59:36,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:36,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598390304] [2024-11-09 06:59:36,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:36,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:36,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:36,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:36,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598390304] [2024-11-09 06:59:36,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598390304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:36,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:36,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:36,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374968633] [2024-11-09 06:59:36,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:36,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:36,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:36,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:36,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:36,493 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1067 out of 1112 [2024-11-09 06:59:36,497 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1029 places, 1060 transitions, 2130 flow. Second operand has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:36,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:36,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1067 of 1112 [2024-11-09 06:59:36,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:38,770 INFO L124 PetriNetUnfolderBase]: 349/7719 cut-off events. [2024-11-09 06:59:38,770 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-09 06:59:39,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7822 conditions, 7719 events. 349/7719 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 68367 event pairs, 24 based on Foata normal form. 0/6095 useless extension candidates. Maximal degree in co-relation 7741. Up to 70 conditions per place. [2024-11-09 06:59:39,107 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 21 selfloop transitions, 2 changer transitions 0/1059 dead transitions. [2024-11-09 06:59:39,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1030 places, 1059 transitions, 2174 flow [2024-11-09 06:59:39,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:39,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:39,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3225 transitions. [2024-11-09 06:59:39,113 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.966726618705036 [2024-11-09 06:59:39,113 INFO L175 Difference]: Start difference. First operand has 1029 places, 1060 transitions, 2130 flow. Second operand 3 states and 3225 transitions. [2024-11-09 06:59:39,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1030 places, 1059 transitions, 2174 flow [2024-11-09 06:59:39,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1028 places, 1059 transitions, 2170 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:39,127 INFO L231 Difference]: Finished difference. Result has 1028 places, 1059 transitions, 2128 flow [2024-11-09 06:59:39,128 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2124, PETRI_DIFFERENCE_MINUEND_PLACES=1026, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1059, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1057, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2128, PETRI_PLACES=1028, PETRI_TRANSITIONS=1059} [2024-11-09 06:59:39,129 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -13 predicate places. [2024-11-09 06:59:39,130 INFO L471 AbstractCegarLoop]: Abstraction has has 1028 places, 1059 transitions, 2128 flow [2024-11-09 06:59:39,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:39,131 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:39,132 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:39,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:59:39,132 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:39,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:39,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1976604881, now seen corresponding path program 1 times [2024-11-09 06:59:39,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:39,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711416910] [2024-11-09 06:59:39,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:39,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:39,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:39,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:39,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711416910] [2024-11-09 06:59:39,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711416910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:39,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:39,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:39,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395929122] [2024-11-09 06:59:39,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:39,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:39,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:39,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:39,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:39,236 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-09 06:59:39,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1028 places, 1059 transitions, 2128 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:39,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:39,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-09 06:59:39,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:40,564 INFO L124 PetriNetUnfolderBase]: 149/3282 cut-off events. [2024-11-09 06:59:40,564 INFO L125 PetriNetUnfolderBase]: For 9/30 co-relation queries the response was YES. [2024-11-09 06:59:40,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3351 conditions, 3282 events. 149/3282 cut-off events. For 9/30 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 21607 event pairs, 16 based on Foata normal form. 0/2610 useless extension candidates. Maximal degree in co-relation 3262. Up to 52 conditions per place. [2024-11-09 06:59:40,781 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 19 selfloop transitions, 2 changer transitions 0/1058 dead transitions. [2024-11-09 06:59:40,782 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1029 places, 1058 transitions, 2168 flow [2024-11-09 06:59:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:40,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:40,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3229 transitions. [2024-11-09 06:59:40,788 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967925659472422 [2024-11-09 06:59:40,788 INFO L175 Difference]: Start difference. First operand has 1028 places, 1059 transitions, 2128 flow. Second operand 3 states and 3229 transitions. [2024-11-09 06:59:40,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1029 places, 1058 transitions, 2168 flow [2024-11-09 06:59:40,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1027 places, 1058 transitions, 2164 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:40,805 INFO L231 Difference]: Finished difference. Result has 1027 places, 1058 transitions, 2126 flow [2024-11-09 06:59:40,806 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2122, PETRI_DIFFERENCE_MINUEND_PLACES=1025, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1058, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1056, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2126, PETRI_PLACES=1027, PETRI_TRANSITIONS=1058} [2024-11-09 06:59:40,807 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -14 predicate places. [2024-11-09 06:59:40,807 INFO L471 AbstractCegarLoop]: Abstraction has has 1027 places, 1058 transitions, 2126 flow [2024-11-09 06:59:40,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:40,809 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:40,809 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:40,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:59:40,810 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:40,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:40,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1884930899, now seen corresponding path program 1 times [2024-11-09 06:59:40,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:40,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409917555] [2024-11-09 06:59:40,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:40,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:40,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:40,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:40,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409917555] [2024-11-09 06:59:40,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409917555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:40,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:40,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:40,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828750398] [2024-11-09 06:59:40,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:40,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:40,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:40,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:40,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:40,882 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1073 out of 1112 [2024-11-09 06:59:40,885 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1027 places, 1058 transitions, 2126 flow. Second operand has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:40,886 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:40,886 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1073 of 1112 [2024-11-09 06:59:40,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:41,446 INFO L124 PetriNetUnfolderBase]: 73/1607 cut-off events. [2024-11-09 06:59:41,447 INFO L125 PetriNetUnfolderBase]: For 8/14 co-relation queries the response was YES. [2024-11-09 06:59:41,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1662 conditions, 1607 events. 73/1607 cut-off events. For 8/14 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7834 event pairs, 12 based on Foata normal form. 0/1295 useless extension candidates. Maximal degree in co-relation 1565. Up to 40 conditions per place. [2024-11-09 06:59:41,530 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 15 selfloop transitions, 2 changer transitions 0/1057 dead transitions. [2024-11-09 06:59:41,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1028 places, 1057 transitions, 2158 flow [2024-11-09 06:59:41,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:41,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:41,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3237 transitions. [2024-11-09 06:59:41,539 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9703237410071942 [2024-11-09 06:59:41,539 INFO L175 Difference]: Start difference. First operand has 1027 places, 1058 transitions, 2126 flow. Second operand 3 states and 3237 transitions. [2024-11-09 06:59:41,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1028 places, 1057 transitions, 2158 flow [2024-11-09 06:59:41,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1026 places, 1057 transitions, 2154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:41,554 INFO L231 Difference]: Finished difference. Result has 1026 places, 1057 transitions, 2124 flow [2024-11-09 06:59:41,555 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2120, PETRI_DIFFERENCE_MINUEND_PLACES=1024, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1057, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1055, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2124, PETRI_PLACES=1026, PETRI_TRANSITIONS=1057} [2024-11-09 06:59:41,556 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -15 predicate places. [2024-11-09 06:59:41,556 INFO L471 AbstractCegarLoop]: Abstraction has has 1026 places, 1057 transitions, 2124 flow [2024-11-09 06:59:41,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:41,558 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:41,558 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:41,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:59:41,558 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:41,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:41,558 INFO L85 PathProgramCache]: Analyzing trace with hash -175922964, now seen corresponding path program 1 times [2024-11-09 06:59:41,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:41,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810549391] [2024-11-09 06:59:41,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:41,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:41,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:41,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:41,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810549391] [2024-11-09 06:59:41,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810549391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:41,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:41,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:41,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573793425] [2024-11-09 06:59:41,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:41,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:41,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:41,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:41,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:41,621 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1074 out of 1112 [2024-11-09 06:59:41,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1026 places, 1057 transitions, 2124 flow. Second operand has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:41,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:41,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1074 of 1112 [2024-11-09 06:59:41,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:42,531 INFO L124 PetriNetUnfolderBase]: 107/2446 cut-off events. [2024-11-09 06:59:42,531 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-09 06:59:42,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2495 conditions, 2446 events. 107/2446 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 13733 event pairs, 10 based on Foata normal form. 0/1958 useless extension candidates. Maximal degree in co-relation 2390. Up to 35 conditions per place. [2024-11-09 06:59:42,676 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 14 selfloop transitions, 2 changer transitions 0/1056 dead transitions. [2024-11-09 06:59:42,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1027 places, 1056 transitions, 2154 flow [2024-11-09 06:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:42,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:42,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3239 transitions. [2024-11-09 06:59:42,681 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9709232613908872 [2024-11-09 06:59:42,682 INFO L175 Difference]: Start difference. First operand has 1026 places, 1057 transitions, 2124 flow. Second operand 3 states and 3239 transitions. [2024-11-09 06:59:42,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1027 places, 1056 transitions, 2154 flow [2024-11-09 06:59:42,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1025 places, 1056 transitions, 2150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:42,696 INFO L231 Difference]: Finished difference. Result has 1025 places, 1056 transitions, 2122 flow [2024-11-09 06:59:42,697 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2118, PETRI_DIFFERENCE_MINUEND_PLACES=1023, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1056, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1054, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2122, PETRI_PLACES=1025, PETRI_TRANSITIONS=1056} [2024-11-09 06:59:42,697 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -16 predicate places. [2024-11-09 06:59:42,697 INFO L471 AbstractCegarLoop]: Abstraction has has 1025 places, 1056 transitions, 2122 flow [2024-11-09 06:59:42,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:42,699 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:42,699 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:42,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:59:42,700 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:42,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:42,700 INFO L85 PathProgramCache]: Analyzing trace with hash -2144197116, now seen corresponding path program 1 times [2024-11-09 06:59:42,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:42,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733673366] [2024-11-09 06:59:42,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:42,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:42,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:42,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:42,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733673366] [2024-11-09 06:59:42,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733673366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:42,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:42,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:42,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123772366] [2024-11-09 06:59:42,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:42,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:42,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:42,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:42,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:42,781 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1067 out of 1112 [2024-11-09 06:59:42,784 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1025 places, 1056 transitions, 2122 flow. Second operand has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:42,784 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:42,784 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1067 of 1112 [2024-11-09 06:59:42,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:44,533 INFO L124 PetriNetUnfolderBase]: 205/4391 cut-off events. [2024-11-09 06:59:44,533 INFO L125 PetriNetUnfolderBase]: For 13/97 co-relation queries the response was YES. [2024-11-09 06:59:44,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4482 conditions, 4391 events. 205/4391 cut-off events. For 13/97 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 32450 event pairs, 24 based on Foata normal form. 0/3480 useless extension candidates. Maximal degree in co-relation 4369. Up to 70 conditions per place. [2024-11-09 06:59:44,833 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 21 selfloop transitions, 2 changer transitions 0/1055 dead transitions. [2024-11-09 06:59:44,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1026 places, 1055 transitions, 2166 flow [2024-11-09 06:59:44,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:44,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:44,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3225 transitions. [2024-11-09 06:59:44,839 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.966726618705036 [2024-11-09 06:59:44,839 INFO L175 Difference]: Start difference. First operand has 1025 places, 1056 transitions, 2122 flow. Second operand 3 states and 3225 transitions. [2024-11-09 06:59:44,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1026 places, 1055 transitions, 2166 flow [2024-11-09 06:59:44,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1024 places, 1055 transitions, 2162 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:44,853 INFO L231 Difference]: Finished difference. Result has 1024 places, 1055 transitions, 2120 flow [2024-11-09 06:59:44,854 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2116, PETRI_DIFFERENCE_MINUEND_PLACES=1022, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1055, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1053, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2120, PETRI_PLACES=1024, PETRI_TRANSITIONS=1055} [2024-11-09 06:59:44,855 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -17 predicate places. [2024-11-09 06:59:44,855 INFO L471 AbstractCegarLoop]: Abstraction has has 1024 places, 1055 transitions, 2120 flow [2024-11-09 06:59:44,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:44,856 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:44,857 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:44,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 06:59:44,857 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:44,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:44,857 INFO L85 PathProgramCache]: Analyzing trace with hash -630342891, now seen corresponding path program 1 times [2024-11-09 06:59:44,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:44,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347029065] [2024-11-09 06:59:44,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:44,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:44,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:44,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:44,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347029065] [2024-11-09 06:59:44,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347029065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:44,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:44,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:44,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100266287] [2024-11-09 06:59:44,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:44,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:44,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:44,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:44,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:44,936 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-09 06:59:44,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1024 places, 1055 transitions, 2120 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:44,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:44,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-09 06:59:44,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:45,408 INFO L124 PetriNetUnfolderBase]: 77/1572 cut-off events. [2024-11-09 06:59:45,408 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2024-11-09 06:59:45,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1635 conditions, 1572 events. 77/1572 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 7453 event pairs, 16 based on Foata normal form. 0/1275 useless extension candidates. Maximal degree in co-relation 1514. Up to 54 conditions per place. [2024-11-09 06:59:45,476 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 19 selfloop transitions, 2 changer transitions 0/1054 dead transitions. [2024-11-09 06:59:45,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1025 places, 1054 transitions, 2160 flow [2024-11-09 06:59:45,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:45,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:45,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3229 transitions. [2024-11-09 06:59:45,481 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967925659472422 [2024-11-09 06:59:45,481 INFO L175 Difference]: Start difference. First operand has 1024 places, 1055 transitions, 2120 flow. Second operand 3 states and 3229 transitions. [2024-11-09 06:59:45,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1025 places, 1054 transitions, 2160 flow [2024-11-09 06:59:45,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1023 places, 1054 transitions, 2156 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:45,495 INFO L231 Difference]: Finished difference. Result has 1023 places, 1054 transitions, 2118 flow [2024-11-09 06:59:45,496 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2114, PETRI_DIFFERENCE_MINUEND_PLACES=1021, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1054, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1052, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2118, PETRI_PLACES=1023, PETRI_TRANSITIONS=1054} [2024-11-09 06:59:45,497 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -18 predicate places. [2024-11-09 06:59:45,497 INFO L471 AbstractCegarLoop]: Abstraction has has 1023 places, 1054 transitions, 2118 flow [2024-11-09 06:59:45,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:45,498 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:45,498 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:45,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 06:59:45,498 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:45,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:45,499 INFO L85 PathProgramCache]: Analyzing trace with hash -819246570, now seen corresponding path program 1 times [2024-11-09 06:59:45,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:45,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062626116] [2024-11-09 06:59:45,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:45,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:45,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:45,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:45,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062626116] [2024-11-09 06:59:45,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062626116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:45,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:45,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:45,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732298170] [2024-11-09 06:59:45,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:45,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:45,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:45,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:45,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:45,563 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1073 out of 1112 [2024-11-09 06:59:45,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1023 places, 1054 transitions, 2118 flow. Second operand has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:45,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:45,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1073 of 1112 [2024-11-09 06:59:45,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:46,031 INFO L124 PetriNetUnfolderBase]: 73/1603 cut-off events. [2024-11-09 06:59:46,032 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2024-11-09 06:59:46,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1652 conditions, 1603 events. 73/1603 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 7331 event pairs, 12 based on Foata normal form. 0/1296 useless extension candidates. Maximal degree in co-relation 1523. Up to 40 conditions per place. [2024-11-09 06:59:46,097 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 15 selfloop transitions, 2 changer transitions 0/1053 dead transitions. [2024-11-09 06:59:46,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1024 places, 1053 transitions, 2150 flow [2024-11-09 06:59:46,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:46,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:46,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3237 transitions. [2024-11-09 06:59:46,103 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9703237410071942 [2024-11-09 06:59:46,103 INFO L175 Difference]: Start difference. First operand has 1023 places, 1054 transitions, 2118 flow. Second operand 3 states and 3237 transitions. [2024-11-09 06:59:46,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1024 places, 1053 transitions, 2150 flow [2024-11-09 06:59:46,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1022 places, 1053 transitions, 2146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:46,117 INFO L231 Difference]: Finished difference. Result has 1022 places, 1053 transitions, 2116 flow [2024-11-09 06:59:46,119 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2112, PETRI_DIFFERENCE_MINUEND_PLACES=1020, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1053, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1051, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2116, PETRI_PLACES=1022, PETRI_TRANSITIONS=1053} [2024-11-09 06:59:46,119 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -19 predicate places. [2024-11-09 06:59:46,119 INFO L471 AbstractCegarLoop]: Abstraction has has 1022 places, 1053 transitions, 2116 flow [2024-11-09 06:59:46,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:46,120 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:46,120 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:46,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 06:59:46,120 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:46,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:46,121 INFO L85 PathProgramCache]: Analyzing trace with hash 828211859, now seen corresponding path program 1 times [2024-11-09 06:59:46,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:46,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455208925] [2024-11-09 06:59:46,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:46,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:46,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:46,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:46,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455208925] [2024-11-09 06:59:46,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455208925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:46,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:46,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:46,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559410562] [2024-11-09 06:59:46,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:46,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:46,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:46,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:46,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:46,178 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1074 out of 1112 [2024-11-09 06:59:46,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1022 places, 1053 transitions, 2116 flow. Second operand has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:46,181 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:46,181 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1074 of 1112 [2024-11-09 06:59:46,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:46,506 INFO L124 PetriNetUnfolderBase]: 47/1072 cut-off events. [2024-11-09 06:59:46,507 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-09 06:59:46,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1116 conditions, 1072 events. 47/1072 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4432 event pairs, 10 based on Foata normal form. 0/887 useless extension candidates. Maximal degree in co-relation 979. Up to 35 conditions per place. [2024-11-09 06:59:46,559 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 14 selfloop transitions, 2 changer transitions 0/1052 dead transitions. [2024-11-09 06:59:46,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1023 places, 1052 transitions, 2146 flow [2024-11-09 06:59:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:46,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:46,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3239 transitions. [2024-11-09 06:59:46,564 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9709232613908872 [2024-11-09 06:59:46,564 INFO L175 Difference]: Start difference. First operand has 1022 places, 1053 transitions, 2116 flow. Second operand 3 states and 3239 transitions. [2024-11-09 06:59:46,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1023 places, 1052 transitions, 2146 flow [2024-11-09 06:59:46,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1021 places, 1052 transitions, 2142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:46,578 INFO L231 Difference]: Finished difference. Result has 1021 places, 1052 transitions, 2114 flow [2024-11-09 06:59:46,579 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2110, PETRI_DIFFERENCE_MINUEND_PLACES=1019, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1052, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1050, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2114, PETRI_PLACES=1021, PETRI_TRANSITIONS=1052} [2024-11-09 06:59:46,580 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -20 predicate places. [2024-11-09 06:59:46,580 INFO L471 AbstractCegarLoop]: Abstraction has has 1021 places, 1052 transitions, 2114 flow [2024-11-09 06:59:46,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:46,581 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:46,581 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:46,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 06:59:46,582 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:46,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:46,582 INFO L85 PathProgramCache]: Analyzing trace with hash 795872891, now seen corresponding path program 1 times [2024-11-09 06:59:46,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:46,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998446000] [2024-11-09 06:59:46,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:46,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:46,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:46,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:46,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998446000] [2024-11-09 06:59:46,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998446000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:46,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:46,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:46,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129932591] [2024-11-09 06:59:46,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:46,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:46,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:46,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:46,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:46,662 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1067 out of 1112 [2024-11-09 06:59:46,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1021 places, 1052 transitions, 2114 flow. Second operand has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:46,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:46,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1067 of 1112 [2024-11-09 06:59:46,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:47,197 INFO L124 PetriNetUnfolderBase]: 85/1601 cut-off events. [2024-11-09 06:59:47,197 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2024-11-09 06:59:47,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1680 conditions, 1601 events. 85/1601 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 8323 event pairs, 24 based on Foata normal form. 0/1295 useless extension candidates. Maximal degree in co-relation 1535. Up to 70 conditions per place. [2024-11-09 06:59:47,273 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 21 selfloop transitions, 2 changer transitions 0/1051 dead transitions. [2024-11-09 06:59:47,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1022 places, 1051 transitions, 2158 flow [2024-11-09 06:59:47,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:47,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:47,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3225 transitions. [2024-11-09 06:59:47,278 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.966726618705036 [2024-11-09 06:59:47,278 INFO L175 Difference]: Start difference. First operand has 1021 places, 1052 transitions, 2114 flow. Second operand 3 states and 3225 transitions. [2024-11-09 06:59:47,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1022 places, 1051 transitions, 2158 flow [2024-11-09 06:59:47,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1020 places, 1051 transitions, 2154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:47,292 INFO L231 Difference]: Finished difference. Result has 1020 places, 1051 transitions, 2112 flow [2024-11-09 06:59:47,293 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2108, PETRI_DIFFERENCE_MINUEND_PLACES=1018, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1051, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1049, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2112, PETRI_PLACES=1020, PETRI_TRANSITIONS=1051} [2024-11-09 06:59:47,294 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -21 predicate places. [2024-11-09 06:59:47,294 INFO L471 AbstractCegarLoop]: Abstraction has has 1020 places, 1051 transitions, 2112 flow [2024-11-09 06:59:47,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:47,295 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:47,295 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:47,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 06:59:47,295 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:47,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:47,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1948909320, now seen corresponding path program 1 times [2024-11-09 06:59:47,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:47,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729180495] [2024-11-09 06:59:47,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:47,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:47,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:47,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:47,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729180495] [2024-11-09 06:59:47,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729180495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:47,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:47,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:47,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050946412] [2024-11-09 06:59:47,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:47,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:47,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:47,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:47,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:47,367 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1076 out of 1112 [2024-11-09 06:59:47,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1020 places, 1051 transitions, 2112 flow. Second operand has 3 states, 3 states have (on average 1077.3333333333333) internal successors, (3232), 3 states have internal predecessors, (3232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:47,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:47,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1076 of 1112 [2024-11-09 06:59:47,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:47,941 INFO L124 PetriNetUnfolderBase]: 121/2611 cut-off events. [2024-11-09 06:59:47,941 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-11-09 06:59:48,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2667 conditions, 2611 events. 121/2611 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 14424 event pairs, 15 based on Foata normal form. 0/2093 useless extension candidates. Maximal degree in co-relation 2514. Up to 43 conditions per place. [2024-11-09 06:59:48,041 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 12 selfloop transitions, 2 changer transitions 0/1050 dead transitions. [2024-11-09 06:59:48,041 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1021 places, 1050 transitions, 2138 flow [2024-11-09 06:59:48,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:48,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:48,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3243 transitions. [2024-11-09 06:59:48,045 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9721223021582733 [2024-11-09 06:59:48,045 INFO L175 Difference]: Start difference. First operand has 1020 places, 1051 transitions, 2112 flow. Second operand 3 states and 3243 transitions. [2024-11-09 06:59:48,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1021 places, 1050 transitions, 2138 flow [2024-11-09 06:59:48,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1019 places, 1050 transitions, 2134 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:48,055 INFO L231 Difference]: Finished difference. Result has 1019 places, 1050 transitions, 2110 flow [2024-11-09 06:59:48,056 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2106, PETRI_DIFFERENCE_MINUEND_PLACES=1017, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1050, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1048, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2110, PETRI_PLACES=1019, PETRI_TRANSITIONS=1050} [2024-11-09 06:59:48,056 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -22 predicate places. [2024-11-09 06:59:48,057 INFO L471 AbstractCegarLoop]: Abstraction has has 1019 places, 1050 transitions, 2110 flow [2024-11-09 06:59:48,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1077.3333333333333) internal successors, (3232), 3 states have internal predecessors, (3232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:48,057 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:48,057 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:48,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 06:59:48,058 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:48,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:48,058 INFO L85 PathProgramCache]: Analyzing trace with hash -819245984, now seen corresponding path program 1 times [2024-11-09 06:59:48,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:48,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251426107] [2024-11-09 06:59:48,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:48,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:48,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:48,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:48,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251426107] [2024-11-09 06:59:48,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251426107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:48,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:48,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:59:48,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534665668] [2024-11-09 06:59:48,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:48,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:59:48,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:48,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:59:48,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:59:48,611 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1060 out of 1112 [2024-11-09 06:59:48,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1019 places, 1050 transitions, 2110 flow. Second operand has 6 states, 6 states have (on average 1061.5) internal successors, (6369), 6 states have internal predecessors, (6369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:48,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:48,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1060 of 1112 [2024-11-09 06:59:48,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:51,985 INFO L124 PetriNetUnfolderBase]: 893/12790 cut-off events. [2024-11-09 06:59:51,986 INFO L125 PetriNetUnfolderBase]: For 59/68 co-relation queries the response was YES. [2024-11-09 06:59:52,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13410 conditions, 12790 events. 893/12790 cut-off events. For 59/68 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 132389 event pairs, 264 based on Foata normal form. 0/10061 useless extension candidates. Maximal degree in co-relation 13198. Up to 580 conditions per place. [2024-11-09 06:59:52,288 INFO L140 encePairwiseOnDemand]: 1106/1112 looper letters, 26 selfloop transitions, 5 changer transitions 0/1049 dead transitions. [2024-11-09 06:59:52,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1023 places, 1049 transitions, 2170 flow [2024-11-09 06:59:52,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:59:52,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:59:52,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6392 transitions. [2024-11-09 06:59:52,295 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9580335731414868 [2024-11-09 06:59:52,295 INFO L175 Difference]: Start difference. First operand has 1019 places, 1050 transitions, 2110 flow. Second operand 6 states and 6392 transitions. [2024-11-09 06:59:52,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1023 places, 1049 transitions, 2170 flow [2024-11-09 06:59:52,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1021 places, 1049 transitions, 2166 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:52,305 INFO L231 Difference]: Finished difference. Result has 1021 places, 1049 transitions, 2114 flow [2024-11-09 06:59:52,306 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2104, PETRI_DIFFERENCE_MINUEND_PLACES=1016, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1049, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1044, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2114, PETRI_PLACES=1021, PETRI_TRANSITIONS=1049} [2024-11-09 06:59:52,306 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -20 predicate places. [2024-11-09 06:59:52,306 INFO L471 AbstractCegarLoop]: Abstraction has has 1021 places, 1049 transitions, 2114 flow [2024-11-09 06:59:52,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1061.5) internal successors, (6369), 6 states have internal predecessors, (6369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:52,308 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:52,308 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:52,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 06:59:52,308 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:52,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:52,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1681895888, now seen corresponding path program 1 times [2024-11-09 06:59:52,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:52,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064758257] [2024-11-09 06:59:52,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:52,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:52,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:52,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:52,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064758257] [2024-11-09 06:59:52,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064758257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:52,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:52,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:52,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064186636] [2024-11-09 06:59:52,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:52,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:52,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:52,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:52,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:52,376 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1075 out of 1112 [2024-11-09 06:59:52,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1021 places, 1049 transitions, 2114 flow. Second operand has 3 states, 3 states have (on average 1076.6666666666667) internal successors, (3230), 3 states have internal predecessors, (3230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:52,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:52,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1075 of 1112 [2024-11-09 06:59:52,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:53,253 INFO L124 PetriNetUnfolderBase]: 163/3539 cut-off events. [2024-11-09 06:59:53,253 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2024-11-09 06:59:53,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3620 conditions, 3539 events. 163/3539 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 22944 event pairs, 9 based on Foata normal form. 0/2820 useless extension candidates. Maximal degree in co-relation 3602. Up to 43 conditions per place. [2024-11-09 06:59:53,393 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 16 selfloop transitions, 2 changer transitions 0/1050 dead transitions. [2024-11-09 06:59:53,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1022 places, 1050 transitions, 2154 flow [2024-11-09 06:59:53,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:53,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:53,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3244 transitions. [2024-11-09 06:59:53,397 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9724220623501199 [2024-11-09 06:59:53,397 INFO L175 Difference]: Start difference. First operand has 1021 places, 1049 transitions, 2114 flow. Second operand 3 states and 3244 transitions. [2024-11-09 06:59:53,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1022 places, 1050 transitions, 2154 flow [2024-11-09 06:59:53,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1017 places, 1050 transitions, 2144 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:59:53,406 INFO L231 Difference]: Finished difference. Result has 1017 places, 1048 transitions, 2106 flow [2024-11-09 06:59:53,407 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2102, PETRI_DIFFERENCE_MINUEND_PLACES=1015, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1048, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1046, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2106, PETRI_PLACES=1017, PETRI_TRANSITIONS=1048} [2024-11-09 06:59:53,408 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -24 predicate places. [2024-11-09 06:59:53,408 INFO L471 AbstractCegarLoop]: Abstraction has has 1017 places, 1048 transitions, 2106 flow [2024-11-09 06:59:53,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1076.6666666666667) internal successors, (3230), 3 states have internal predecessors, (3230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:53,409 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:53,409 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:53,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 06:59:53,409 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:53,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:53,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1709151732, now seen corresponding path program 1 times [2024-11-09 06:59:53,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:53,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209914697] [2024-11-09 06:59:53,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:53,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:53,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:53,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:53,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209914697] [2024-11-09 06:59:53,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209914697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:53,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:53,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:53,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131795006] [2024-11-09 06:59:53,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:53,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:53,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:53,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:53,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:53,487 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-09 06:59:53,489 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1017 places, 1048 transitions, 2106 flow. Second operand has 3 states, 3 states have (on average 1070.6666666666667) internal successors, (3212), 3 states have internal predecessors, (3212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:53,489 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:53,489 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-09 06:59:53,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:53,938 INFO L124 PetriNetUnfolderBase]: 115/2154 cut-off events. [2024-11-09 06:59:53,938 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:59:54,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2274 conditions, 2154 events. 115/2154 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 13272 event pairs, 26 based on Foata normal form. 0/1739 useless extension candidates. Maximal degree in co-relation 2062. Up to 73 conditions per place. [2024-11-09 06:59:54,030 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 22 selfloop transitions, 2 changer transitions 0/1049 dead transitions. [2024-11-09 06:59:54,030 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1018 places, 1049 transitions, 2158 flow [2024-11-09 06:59:54,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:54,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:54,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3232 transitions. [2024-11-09 06:59:54,033 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9688249400479616 [2024-11-09 06:59:54,033 INFO L175 Difference]: Start difference. First operand has 1017 places, 1048 transitions, 2106 flow. Second operand 3 states and 3232 transitions. [2024-11-09 06:59:54,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1018 places, 1049 transitions, 2158 flow [2024-11-09 06:59:54,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1016 places, 1049 transitions, 2154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:54,046 INFO L231 Difference]: Finished difference. Result has 1016 places, 1047 transitions, 2104 flow [2024-11-09 06:59:54,047 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2100, PETRI_DIFFERENCE_MINUEND_PLACES=1014, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1047, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1045, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2104, PETRI_PLACES=1016, PETRI_TRANSITIONS=1047} [2024-11-09 06:59:54,047 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -25 predicate places. [2024-11-09 06:59:54,048 INFO L471 AbstractCegarLoop]: Abstraction has has 1016 places, 1047 transitions, 2104 flow [2024-11-09 06:59:54,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.6666666666667) internal successors, (3212), 3 states have internal predecessors, (3212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:54,049 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:54,049 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:54,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 06:59:54,049 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:54,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:54,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1285035561, now seen corresponding path program 1 times [2024-11-09 06:59:54,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:54,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538952065] [2024-11-09 06:59:54,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:54,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:54,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:54,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:54,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538952065] [2024-11-09 06:59:54,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538952065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:54,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:54,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:54,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446918535] [2024-11-09 06:59:54,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:54,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:54,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:54,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:54,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:54,113 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1075 out of 1112 [2024-11-09 06:59:54,114 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1016 places, 1047 transitions, 2104 flow. Second operand has 3 states, 3 states have (on average 1077.0) internal successors, (3231), 3 states have internal predecessors, (3231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:54,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:54,114 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1075 of 1112 [2024-11-09 06:59:54,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:54,490 INFO L124 PetriNetUnfolderBase]: 79/1602 cut-off events. [2024-11-09 06:59:54,490 INFO L125 PetriNetUnfolderBase]: For 11/20 co-relation queries the response was YES. [2024-11-09 06:59:54,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1671 conditions, 1602 events. 79/1602 cut-off events. For 11/20 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 7921 event pairs, 14 based on Foata normal form. 0/1300 useless extension candidates. Maximal degree in co-relation 1454. Up to 43 conditions per place. [2024-11-09 06:59:54,568 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 16 selfloop transitions, 2 changer transitions 0/1048 dead transitions. [2024-11-09 06:59:54,569 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1017 places, 1048 transitions, 2144 flow [2024-11-09 06:59:54,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:54,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:54,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3244 transitions. [2024-11-09 06:59:54,571 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9724220623501199 [2024-11-09 06:59:54,572 INFO L175 Difference]: Start difference. First operand has 1016 places, 1047 transitions, 2104 flow. Second operand 3 states and 3244 transitions. [2024-11-09 06:59:54,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1017 places, 1048 transitions, 2144 flow [2024-11-09 06:59:54,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1015 places, 1048 transitions, 2140 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:54,583 INFO L231 Difference]: Finished difference. Result has 1015 places, 1046 transitions, 2102 flow [2024-11-09 06:59:54,584 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2098, PETRI_DIFFERENCE_MINUEND_PLACES=1013, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1046, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1044, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2102, PETRI_PLACES=1015, PETRI_TRANSITIONS=1046} [2024-11-09 06:59:54,585 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -26 predicate places. [2024-11-09 06:59:54,585 INFO L471 AbstractCegarLoop]: Abstraction has has 1015 places, 1046 transitions, 2102 flow [2024-11-09 06:59:54,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1077.0) internal successors, (3231), 3 states have internal predecessors, (3231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:54,586 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:54,586 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:54,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 06:59:54,586 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:54,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:54,587 INFO L85 PathProgramCache]: Analyzing trace with hash 504439445, now seen corresponding path program 1 times [2024-11-09 06:59:54,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:54,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766561266] [2024-11-09 06:59:54,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:54,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:54,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:54,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766561266] [2024-11-09 06:59:54,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766561266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:54,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:54,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:54,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551763692] [2024-11-09 06:59:54,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:54,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:54,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:54,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:54,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:54,651 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1055 out of 1112 [2024-11-09 06:59:54,653 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1015 places, 1046 transitions, 2102 flow. Second operand has 3 states, 3 states have (on average 1056.3333333333333) internal successors, (3169), 3 states have internal predecessors, (3169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:54,653 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:54,653 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1055 of 1112 [2024-11-09 06:59:54,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:57,107 INFO L124 PetriNetUnfolderBase]: 847/10614 cut-off events. [2024-11-09 06:59:57,107 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-09 06:59:57,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11414 conditions, 10614 events. 847/10614 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 103469 event pairs, 190 based on Foata normal form. 0/8479 useless extension candidates. Maximal degree in co-relation 10900. Up to 658 conditions per place. [2024-11-09 06:59:57,564 INFO L140 encePairwiseOnDemand]: 1100/1112 looper letters, 29 selfloop transitions, 2 changer transitions 0/1040 dead transitions. [2024-11-09 06:59:57,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1007 places, 1040 transitions, 2154 flow [2024-11-09 06:59:57,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:57,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:57,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3206 transitions. [2024-11-09 06:59:57,567 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9610311750599521 [2024-11-09 06:59:57,567 INFO L175 Difference]: Start difference. First operand has 1015 places, 1046 transitions, 2102 flow. Second operand 3 states and 3206 transitions. [2024-11-09 06:59:57,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1007 places, 1040 transitions, 2154 flow [2024-11-09 06:59:57,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1005 places, 1040 transitions, 2150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:57,579 INFO L231 Difference]: Finished difference. Result has 1006 places, 1038 transitions, 2092 flow [2024-11-09 06:59:57,581 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2078, PETRI_DIFFERENCE_MINUEND_PLACES=1003, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1036, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1034, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2092, PETRI_PLACES=1006, PETRI_TRANSITIONS=1038} [2024-11-09 06:59:57,581 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -35 predicate places. [2024-11-09 06:59:57,581 INFO L471 AbstractCegarLoop]: Abstraction has has 1006 places, 1038 transitions, 2092 flow [2024-11-09 06:59:57,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1056.3333333333333) internal successors, (3169), 3 states have internal predecessors, (3169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:57,582 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:57,582 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:57,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 06:59:57,582 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:57,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:57,582 INFO L85 PathProgramCache]: Analyzing trace with hash -564917577, now seen corresponding path program 1 times [2024-11-09 06:59:57,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:57,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549642392] [2024-11-09 06:59:57,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:57,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:57,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:57,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:57,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549642392] [2024-11-09 06:59:57,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549642392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:57,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:57,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:57,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77414662] [2024-11-09 06:59:57,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:57,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:57,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:57,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:57,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:57,642 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1055 out of 1112 [2024-11-09 06:59:57,644 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1006 places, 1038 transitions, 2092 flow. Second operand has 3 states, 3 states have (on average 1056.3333333333333) internal successors, (3169), 3 states have internal predecessors, (3169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:57,644 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:57,644 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1055 of 1112 [2024-11-09 06:59:57,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:59,666 INFO L124 PetriNetUnfolderBase]: 451/6342 cut-off events. [2024-11-09 06:59:59,667 INFO L125 PetriNetUnfolderBase]: For 31/77 co-relation queries the response was YES. [2024-11-09 06:59:59,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6718 conditions, 6342 events. 451/6342 cut-off events. For 31/77 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 51655 event pairs, 110 based on Foata normal form. 1/5113 useless extension candidates. Maximal degree in co-relation 6242. Up to 340 conditions per place. [2024-11-09 06:59:59,869 INFO L140 encePairwiseOnDemand]: 1100/1112 looper letters, 29 selfloop transitions, 2 changer transitions 0/1032 dead transitions. [2024-11-09 06:59:59,873 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 998 places, 1032 transitions, 2144 flow [2024-11-09 06:59:59,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:59,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:59,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3206 transitions. [2024-11-09 06:59:59,875 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9610311750599521 [2024-11-09 06:59:59,875 INFO L175 Difference]: Start difference. First operand has 1006 places, 1038 transitions, 2092 flow. Second operand 3 states and 3206 transitions. [2024-11-09 06:59:59,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 998 places, 1032 transitions, 2144 flow [2024-11-09 06:59:59,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 998 places, 1032 transitions, 2144 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:59:59,895 INFO L231 Difference]: Finished difference. Result has 999 places, 1030 transitions, 2086 flow [2024-11-09 06:59:59,896 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2072, PETRI_DIFFERENCE_MINUEND_PLACES=996, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1028, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1026, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2086, PETRI_PLACES=999, PETRI_TRANSITIONS=1030} [2024-11-09 06:59:59,897 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -42 predicate places. [2024-11-09 06:59:59,897 INFO L471 AbstractCegarLoop]: Abstraction has has 999 places, 1030 transitions, 2086 flow [2024-11-09 06:59:59,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1056.3333333333333) internal successors, (3169), 3 states have internal predecessors, (3169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:59,898 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:59,898 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:59,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 06:59:59,898 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 06:59:59,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:59,898 INFO L85 PathProgramCache]: Analyzing trace with hash -87173598, now seen corresponding path program 1 times [2024-11-09 06:59:59,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:59,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212003954] [2024-11-09 06:59:59,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:59,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:59,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:59,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:59,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212003954] [2024-11-09 06:59:59,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212003954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:59,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:59,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:59,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263042831] [2024-11-09 06:59:59,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:59,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:59,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:59,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:59,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:59,976 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-09 06:59:59,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 999 places, 1030 transitions, 2086 flow. Second operand has 3 states, 3 states have (on average 1071.0) internal successors, (3213), 3 states have internal predecessors, (3213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:59,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:59,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-09 06:59:59,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:00,694 INFO L124 PetriNetUnfolderBase]: 166/2871 cut-off events. [2024-11-09 07:00:00,695 INFO L125 PetriNetUnfolderBase]: For 17/44 co-relation queries the response was YES. [2024-11-09 07:00:00,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3040 conditions, 2871 events. 166/2871 cut-off events. For 17/44 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 20454 event pairs, 37 based on Foata normal form. 0/2341 useless extension candidates. Maximal degree in co-relation 2250. Up to 106 conditions per place. [2024-11-09 07:00:00,824 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 22 selfloop transitions, 2 changer transitions 0/1031 dead transitions. [2024-11-09 07:00:00,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1000 places, 1031 transitions, 2138 flow [2024-11-09 07:00:00,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:00,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:00,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3232 transitions. [2024-11-09 07:00:00,826 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9688249400479616 [2024-11-09 07:00:00,826 INFO L175 Difference]: Start difference. First operand has 999 places, 1030 transitions, 2086 flow. Second operand 3 states and 3232 transitions. [2024-11-09 07:00:00,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1000 places, 1031 transitions, 2138 flow [2024-11-09 07:00:00,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1000 places, 1031 transitions, 2138 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:00:00,836 INFO L231 Difference]: Finished difference. Result has 1000 places, 1029 transitions, 2088 flow [2024-11-09 07:00:00,837 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2084, PETRI_DIFFERENCE_MINUEND_PLACES=998, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1029, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1027, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2088, PETRI_PLACES=1000, PETRI_TRANSITIONS=1029} [2024-11-09 07:00:00,838 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -41 predicate places. [2024-11-09 07:00:00,838 INFO L471 AbstractCegarLoop]: Abstraction has has 1000 places, 1029 transitions, 2088 flow [2024-11-09 07:00:00,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.0) internal successors, (3213), 3 states have internal predecessors, (3213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:00,838 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:00,838 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:00,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 07:00:00,839 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 07:00:00,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:00,839 INFO L85 PathProgramCache]: Analyzing trace with hash -2145898268, now seen corresponding path program 1 times [2024-11-09 07:00:00,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:00,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295817028] [2024-11-09 07:00:00,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:00,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:00,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:00,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:00,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295817028] [2024-11-09 07:00:00,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295817028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:00,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:00,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:00,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793341282] [2024-11-09 07:00:00,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:00,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:00,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:00,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:00,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:00,895 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1075 out of 1112 [2024-11-09 07:00:00,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1000 places, 1029 transitions, 2088 flow. Second operand has 3 states, 3 states have (on average 1077.3333333333333) internal successors, (3232), 3 states have internal predecessors, (3232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:00,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:00,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1075 of 1112 [2024-11-09 07:00:00,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:01,359 INFO L124 PetriNetUnfolderBase]: 105/2080 cut-off events. [2024-11-09 07:00:01,360 INFO L125 PetriNetUnfolderBase]: For 21/35 co-relation queries the response was YES. [2024-11-09 07:00:01,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2161 conditions, 2080 events. 105/2080 cut-off events. For 21/35 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 11845 event pairs, 14 based on Foata normal form. 1/1711 useless extension candidates. Maximal degree in co-relation 1934. Up to 48 conditions per place. [2024-11-09 07:00:01,494 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 16 selfloop transitions, 2 changer transitions 0/1030 dead transitions. [2024-11-09 07:00:01,495 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1001 places, 1030 transitions, 2128 flow [2024-11-09 07:00:01,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:01,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:01,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3244 transitions. [2024-11-09 07:00:01,497 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9724220623501199 [2024-11-09 07:00:01,497 INFO L175 Difference]: Start difference. First operand has 1000 places, 1029 transitions, 2088 flow. Second operand 3 states and 3244 transitions. [2024-11-09 07:00:01,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1001 places, 1030 transitions, 2128 flow [2024-11-09 07:00:01,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 999 places, 1030 transitions, 2124 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:01,506 INFO L231 Difference]: Finished difference. Result has 999 places, 1028 transitions, 2086 flow [2024-11-09 07:00:01,507 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2082, PETRI_DIFFERENCE_MINUEND_PLACES=997, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1028, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1026, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2086, PETRI_PLACES=999, PETRI_TRANSITIONS=1028} [2024-11-09 07:00:01,508 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -42 predicate places. [2024-11-09 07:00:01,508 INFO L471 AbstractCegarLoop]: Abstraction has has 999 places, 1028 transitions, 2086 flow [2024-11-09 07:00:01,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1077.3333333333333) internal successors, (3232), 3 states have internal predecessors, (3232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:01,508 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:01,508 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:01,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 07:00:01,509 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 07:00:01,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:01,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1775177189, now seen corresponding path program 1 times [2024-11-09 07:00:01,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:01,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028036728] [2024-11-09 07:00:01,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:01,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:01,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:01,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:01,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028036728] [2024-11-09 07:00:01,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028036728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:01,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:01,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:01,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038068122] [2024-11-09 07:00:01,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:01,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:01,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:01,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:01,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:01,571 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1066 out of 1112 [2024-11-09 07:00:01,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 999 places, 1028 transitions, 2086 flow. Second operand has 3 states, 3 states have (on average 1067.3333333333333) internal successors, (3202), 3 states have internal predecessors, (3202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:01,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:01,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1066 of 1112 [2024-11-09 07:00:01,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:02,548 INFO L124 PetriNetUnfolderBase]: 191/3773 cut-off events. [2024-11-09 07:00:02,549 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-09 07:00:02,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3916 conditions, 3773 events. 191/3773 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 25710 event pairs, 8 based on Foata normal form. 0/3081 useless extension candidates. Maximal degree in co-relation 3438. Up to 42 conditions per place. [2024-11-09 07:00:02,722 INFO L140 encePairwiseOnDemand]: 1098/1112 looper letters, 18 selfloop transitions, 9 changer transitions 0/1029 dead transitions. [2024-11-09 07:00:02,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 996 places, 1029 transitions, 2144 flow [2024-11-09 07:00:02,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:02,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:02,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3230 transitions. [2024-11-09 07:00:02,725 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9682254196642686 [2024-11-09 07:00:02,725 INFO L175 Difference]: Start difference. First operand has 999 places, 1028 transitions, 2086 flow. Second operand 3 states and 3230 transitions. [2024-11-09 07:00:02,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 996 places, 1029 transitions, 2144 flow [2024-11-09 07:00:02,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 994 places, 1029 transitions, 2140 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:02,736 INFO L231 Difference]: Finished difference. Result has 995 places, 1027 transitions, 2115 flow [2024-11-09 07:00:02,737 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2072, PETRI_DIFFERENCE_MINUEND_PLACES=992, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1023, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1014, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2115, PETRI_PLACES=995, PETRI_TRANSITIONS=1027} [2024-11-09 07:00:02,738 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -46 predicate places. [2024-11-09 07:00:02,738 INFO L471 AbstractCegarLoop]: Abstraction has has 995 places, 1027 transitions, 2115 flow [2024-11-09 07:00:02,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1067.3333333333333) internal successors, (3202), 3 states have internal predecessors, (3202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:02,739 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:02,739 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:02,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 07:00:02,739 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 07:00:02,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:02,739 INFO L85 PathProgramCache]: Analyzing trace with hash -398434658, now seen corresponding path program 1 times [2024-11-09 07:00:02,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:02,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845026812] [2024-11-09 07:00:02,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:02,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:02,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:02,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:02,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845026812] [2024-11-09 07:00:02,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845026812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:02,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:02,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:02,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744389210] [2024-11-09 07:00:02,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:02,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:02,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:02,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:02,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:02,810 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1072 out of 1112 [2024-11-09 07:00:02,812 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 995 places, 1027 transitions, 2115 flow. Second operand has 3 states, 3 states have (on average 1073.6666666666667) internal successors, (3221), 3 states have internal predecessors, (3221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:02,812 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:02,812 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1072 of 1112 [2024-11-09 07:00:02,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:03,777 INFO L124 PetriNetUnfolderBase]: 183/3668 cut-off events. [2024-11-09 07:00:03,777 INFO L125 PetriNetUnfolderBase]: For 61/77 co-relation queries the response was YES. [2024-11-09 07:00:03,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3848 conditions, 3668 events. 183/3668 cut-off events. For 61/77 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 28355 event pairs, 20 based on Foata normal form. 1/3011 useless extension candidates. Maximal degree in co-relation 3369. Up to 68 conditions per place. [2024-11-09 07:00:03,939 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 22 selfloop transitions, 3 changer transitions 0/1028 dead transitions. [2024-11-09 07:00:03,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 996 places, 1028 transitions, 2169 flow [2024-11-09 07:00:03,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:03,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:03,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3238 transitions. [2024-11-09 07:00:03,941 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9706235011990407 [2024-11-09 07:00:03,942 INFO L175 Difference]: Start difference. First operand has 995 places, 1027 transitions, 2115 flow. Second operand 3 states and 3238 transitions. [2024-11-09 07:00:03,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 996 places, 1028 transitions, 2169 flow [2024-11-09 07:00:03,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 995 places, 1028 transitions, 2160 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:00:03,956 INFO L231 Difference]: Finished difference. Result has 995 places, 1026 transitions, 2110 flow [2024-11-09 07:00:03,957 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2104, PETRI_DIFFERENCE_MINUEND_PLACES=993, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1026, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1023, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2110, PETRI_PLACES=995, PETRI_TRANSITIONS=1026} [2024-11-09 07:00:03,957 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -46 predicate places. [2024-11-09 07:00:03,957 INFO L471 AbstractCegarLoop]: Abstraction has has 995 places, 1026 transitions, 2110 flow [2024-11-09 07:00:03,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1073.6666666666667) internal successors, (3221), 3 states have internal predecessors, (3221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:03,958 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:03,958 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:03,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 07:00:03,958 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 07:00:03,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:03,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1030864098, now seen corresponding path program 1 times [2024-11-09 07:00:03,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:03,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88597564] [2024-11-09 07:00:03,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:03,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:04,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:04,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:04,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88597564] [2024-11-09 07:00:04,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88597564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:04,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:04,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:04,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610670085] [2024-11-09 07:00:04,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:04,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:04,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:04,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:04,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:04,030 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1055 out of 1112 [2024-11-09 07:00:04,032 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 995 places, 1026 transitions, 2110 flow. Second operand has 3 states, 3 states have (on average 1056.6666666666667) internal successors, (3170), 3 states have internal predecessors, (3170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:04,032 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:04,032 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1055 of 1112 [2024-11-09 07:00:04,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:08,431 INFO L124 PetriNetUnfolderBase]: 1560/19946 cut-off events. [2024-11-09 07:00:08,432 INFO L125 PetriNetUnfolderBase]: For 144/150 co-relation queries the response was YES. [2024-11-09 07:00:08,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21183 conditions, 19946 events. 1560/19946 cut-off events. For 144/150 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 223223 event pairs, 370 based on Foata normal form. 0/16098 useless extension candidates. Maximal degree in co-relation 15915. Up to 1175 conditions per place. [2024-11-09 07:00:09,116 INFO L140 encePairwiseOnDemand]: 1100/1112 looper letters, 29 selfloop transitions, 2 changer transitions 0/1020 dead transitions. [2024-11-09 07:00:09,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 987 places, 1020 transitions, 2162 flow [2024-11-09 07:00:09,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:09,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:09,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3206 transitions. [2024-11-09 07:00:09,118 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9610311750599521 [2024-11-09 07:00:09,119 INFO L175 Difference]: Start difference. First operand has 995 places, 1026 transitions, 2110 flow. Second operand 3 states and 3206 transitions. [2024-11-09 07:00:09,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 987 places, 1020 transitions, 2162 flow [2024-11-09 07:00:09,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 985 places, 1020 transitions, 2156 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:09,130 INFO L231 Difference]: Finished difference. Result has 986 places, 1018 transitions, 2098 flow [2024-11-09 07:00:09,131 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2084, PETRI_DIFFERENCE_MINUEND_PLACES=983, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1016, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1014, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2098, PETRI_PLACES=986, PETRI_TRANSITIONS=1018} [2024-11-09 07:00:09,132 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -55 predicate places. [2024-11-09 07:00:09,132 INFO L471 AbstractCegarLoop]: Abstraction has has 986 places, 1018 transitions, 2098 flow [2024-11-09 07:00:09,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1056.6666666666667) internal successors, (3170), 3 states have internal predecessors, (3170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:09,133 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:09,133 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:09,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 07:00:09,133 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 07:00:09,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:09,133 INFO L85 PathProgramCache]: Analyzing trace with hash -366839030, now seen corresponding path program 1 times [2024-11-09 07:00:09,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:09,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345023923] [2024-11-09 07:00:09,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:09,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:09,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:09,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:09,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345023923] [2024-11-09 07:00:09,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345023923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:09,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:09,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:09,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821368161] [2024-11-09 07:00:09,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:09,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:09,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:09,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:09,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:09,227 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-09 07:00:09,229 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 986 places, 1018 transitions, 2098 flow. Second operand has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:09,229 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:09,229 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-09 07:00:09,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:09,889 INFO L124 PetriNetUnfolderBase]: 180/3058 cut-off events. [2024-11-09 07:00:09,890 INFO L125 PetriNetUnfolderBase]: For 44/58 co-relation queries the response was YES. [2024-11-09 07:00:09,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3261 conditions, 3058 events. 180/3058 cut-off events. For 44/58 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 22337 event pairs, 37 based on Foata normal form. 1/2538 useless extension candidates. Maximal degree in co-relation 2524. Up to 139 conditions per place. [2024-11-09 07:00:09,996 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 22 selfloop transitions, 2 changer transitions 0/1019 dead transitions. [2024-11-09 07:00:09,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 987 places, 1019 transitions, 2150 flow [2024-11-09 07:00:09,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:09,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:09,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3232 transitions. [2024-11-09 07:00:09,999 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9688249400479616 [2024-11-09 07:00:09,999 INFO L175 Difference]: Start difference. First operand has 986 places, 1018 transitions, 2098 flow. Second operand 3 states and 3232 transitions. [2024-11-09 07:00:09,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 987 places, 1019 transitions, 2150 flow [2024-11-09 07:00:10,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 987 places, 1019 transitions, 2150 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:00:10,010 INFO L231 Difference]: Finished difference. Result has 987 places, 1017 transitions, 2100 flow [2024-11-09 07:00:10,011 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2096, PETRI_DIFFERENCE_MINUEND_PLACES=985, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1017, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1015, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2100, PETRI_PLACES=987, PETRI_TRANSITIONS=1017} [2024-11-09 07:00:10,015 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -54 predicate places. [2024-11-09 07:00:10,015 INFO L471 AbstractCegarLoop]: Abstraction has has 987 places, 1017 transitions, 2100 flow [2024-11-09 07:00:10,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:10,016 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:10,016 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:10,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 07:00:10,016 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 07:00:10,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:10,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1453408567, now seen corresponding path program 1 times [2024-11-09 07:00:10,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:10,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762279033] [2024-11-09 07:00:10,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:10,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:10,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:10,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:10,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762279033] [2024-11-09 07:00:10,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762279033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:10,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:10,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:10,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877729788] [2024-11-09 07:00:10,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:10,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:10,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:10,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:10,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:10,089 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1112 [2024-11-09 07:00:10,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 987 places, 1017 transitions, 2100 flow. Second operand has 3 states, 3 states have (on average 1064.6666666666667) internal successors, (3194), 3 states have internal predecessors, (3194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:10,091 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:10,091 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1112 [2024-11-09 07:00:10,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:11,201 INFO L124 PetriNetUnfolderBase]: 298/5500 cut-off events. [2024-11-09 07:00:11,202 INFO L125 PetriNetUnfolderBase]: For 14/28 co-relation queries the response was YES. [2024-11-09 07:00:11,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5754 conditions, 5500 events. 298/5500 cut-off events. For 14/28 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 44854 event pairs, 15 based on Foata normal form. 0/4551 useless extension candidates. Maximal degree in co-relation 5387. Up to 68 conditions per place. [2024-11-09 07:00:11,400 INFO L140 encePairwiseOnDemand]: 1097/1112 looper letters, 20 selfloop transitions, 9 changer transitions 0/1017 dead transitions. [2024-11-09 07:00:11,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 983 places, 1017 transitions, 2160 flow [2024-11-09 07:00:11,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:11,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:11,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3224 transitions. [2024-11-09 07:00:11,403 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9664268585131894 [2024-11-09 07:00:11,403 INFO L175 Difference]: Start difference. First operand has 987 places, 1017 transitions, 2100 flow. Second operand 3 states and 3224 transitions. [2024-11-09 07:00:11,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 983 places, 1017 transitions, 2160 flow [2024-11-09 07:00:11,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 981 places, 1017 transitions, 2156 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:11,419 INFO L231 Difference]: Finished difference. Result has 982 places, 1015 transitions, 2127 flow [2024-11-09 07:00:11,422 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2084, PETRI_DIFFERENCE_MINUEND_PLACES=979, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1011, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1002, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2127, PETRI_PLACES=982, PETRI_TRANSITIONS=1015} [2024-11-09 07:00:11,423 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -59 predicate places. [2024-11-09 07:00:11,423 INFO L471 AbstractCegarLoop]: Abstraction has has 982 places, 1015 transitions, 2127 flow [2024-11-09 07:00:11,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1064.6666666666667) internal successors, (3194), 3 states have internal predecessors, (3194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:11,423 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:11,423 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:11,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 07:00:11,424 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 07:00:11,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:11,424 INFO L85 PathProgramCache]: Analyzing trace with hash -956146267, now seen corresponding path program 1 times [2024-11-09 07:00:11,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:11,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532922130] [2024-11-09 07:00:11,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:11,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:11,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:11,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:11,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532922130] [2024-11-09 07:00:11,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532922130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:11,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:11,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:11,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664265999] [2024-11-09 07:00:11,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:11,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:11,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:11,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:11,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:11,502 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1071 out of 1112 [2024-11-09 07:00:11,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 982 places, 1015 transitions, 2127 flow. Second operand has 3 states, 3 states have (on average 1073.0) internal successors, (3219), 3 states have internal predecessors, (3219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:11,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:11,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1071 of 1112 [2024-11-09 07:00:11,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:12,686 INFO L124 PetriNetUnfolderBase]: 285/5368 cut-off events. [2024-11-09 07:00:12,686 INFO L125 PetriNetUnfolderBase]: For 113/166 co-relation queries the response was YES. [2024-11-09 07:00:12,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5675 conditions, 5368 events. 285/5368 cut-off events. For 113/166 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 47647 event pairs, 30 based on Foata normal form. 0/4450 useless extension candidates. Maximal degree in co-relation 5082. Up to 105 conditions per place. [2024-11-09 07:00:12,873 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 23 selfloop transitions, 3 changer transitions 0/1016 dead transitions. [2024-11-09 07:00:12,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 983 places, 1016 transitions, 2183 flow [2024-11-09 07:00:12,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:12,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:12,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3236 transitions. [2024-11-09 07:00:12,876 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9700239808153477 [2024-11-09 07:00:12,876 INFO L175 Difference]: Start difference. First operand has 982 places, 1015 transitions, 2127 flow. Second operand 3 states and 3236 transitions. [2024-11-09 07:00:12,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 983 places, 1016 transitions, 2183 flow [2024-11-09 07:00:12,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 982 places, 1016 transitions, 2174 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:00:12,889 INFO L231 Difference]: Finished difference. Result has 982 places, 1014 transitions, 2122 flow [2024-11-09 07:00:12,889 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2116, PETRI_DIFFERENCE_MINUEND_PLACES=980, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1014, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1011, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2122, PETRI_PLACES=982, PETRI_TRANSITIONS=1014} [2024-11-09 07:00:12,890 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -59 predicate places. [2024-11-09 07:00:12,890 INFO L471 AbstractCegarLoop]: Abstraction has has 982 places, 1014 transitions, 2122 flow [2024-11-09 07:00:12,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1073.0) internal successors, (3219), 3 states have internal predecessors, (3219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:12,890 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:12,890 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:12,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 07:00:12,890 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 07:00:12,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:12,891 INFO L85 PathProgramCache]: Analyzing trace with hash -2095080157, now seen corresponding path program 1 times [2024-11-09 07:00:12,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:12,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076102943] [2024-11-09 07:00:12,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:12,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:12,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:12,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:12,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076102943] [2024-11-09 07:00:12,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076102943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:12,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:12,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:00:12,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053715869] [2024-11-09 07:00:12,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:12,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:12,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:12,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:12,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:12,959 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1078 out of 1112 [2024-11-09 07:00:12,961 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 982 places, 1014 transitions, 2122 flow. Second operand has 3 states, 3 states have (on average 1080.3333333333333) internal successors, (3241), 3 states have internal predecessors, (3241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:12,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:12,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1078 of 1112 [2024-11-09 07:00:12,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:14,141 INFO L124 PetriNetUnfolderBase]: 215/4585 cut-off events. [2024-11-09 07:00:14,141 INFO L125 PetriNetUnfolderBase]: For 12/22 co-relation queries the response was YES. [2024-11-09 07:00:14,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4787 conditions, 4585 events. 215/4585 cut-off events. For 12/22 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 38422 event pairs, 4 based on Foata normal form. 1/3825 useless extension candidates. Maximal degree in co-relation 4034. Up to 33 conditions per place. [2024-11-09 07:00:14,337 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 18 selfloop transitions, 2 changer transitions 0/1020 dead transitions. [2024-11-09 07:00:14,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 984 places, 1020 transitions, 2179 flow [2024-11-09 07:00:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:14,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:14,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3255 transitions. [2024-11-09 07:00:14,340 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9757194244604317 [2024-11-09 07:00:14,340 INFO L175 Difference]: Start difference. First operand has 982 places, 1014 transitions, 2122 flow. Second operand 3 states and 3255 transitions. [2024-11-09 07:00:14,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 984 places, 1020 transitions, 2179 flow [2024-11-09 07:00:14,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 982 places, 1020 transitions, 2173 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:14,350 INFO L231 Difference]: Finished difference. Result has 984 places, 1015 transitions, 2130 flow [2024-11-09 07:00:14,351 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2116, PETRI_DIFFERENCE_MINUEND_PLACES=980, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1014, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1012, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2130, PETRI_PLACES=984, PETRI_TRANSITIONS=1015} [2024-11-09 07:00:14,351 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -57 predicate places. [2024-11-09 07:00:14,352 INFO L471 AbstractCegarLoop]: Abstraction has has 984 places, 1015 transitions, 2130 flow [2024-11-09 07:00:14,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1080.3333333333333) internal successors, (3241), 3 states have internal predecessors, (3241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:14,352 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:14,352 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:14,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-09 07:00:14,353 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 07:00:14,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:14,353 INFO L85 PathProgramCache]: Analyzing trace with hash -972581327, now seen corresponding path program 1 times [2024-11-09 07:00:14,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:14,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918863669] [2024-11-09 07:00:14,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:14,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:14,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:14,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:14,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918863669] [2024-11-09 07:00:14,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918863669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:14,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:14,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:14,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575516786] [2024-11-09 07:00:14,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:14,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:14,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:14,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:14,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:14,418 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1112 [2024-11-09 07:00:14,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 984 places, 1015 transitions, 2130 flow. Second operand has 3 states, 3 states have (on average 1065.0) internal successors, (3195), 3 states have internal predecessors, (3195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:14,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:14,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1112 [2024-11-09 07:00:14,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:15,414 INFO L124 PetriNetUnfolderBase]: 255/4097 cut-off events. [2024-11-09 07:00:15,414 INFO L125 PetriNetUnfolderBase]: For 69/81 co-relation queries the response was YES. [2024-11-09 07:00:15,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4454 conditions, 4097 events. 255/4097 cut-off events. For 69/81 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 32828 event pairs, 42 based on Foata normal form. 3/3439 useless extension candidates. Maximal degree in co-relation 3682. Up to 142 conditions per place. [2024-11-09 07:00:15,609 INFO L140 encePairwiseOnDemand]: 1097/1112 looper letters, 16 selfloop transitions, 8 changer transitions 14/1015 dead transitions. [2024-11-09 07:00:15,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 980 places, 1015 transitions, 2188 flow [2024-11-09 07:00:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:15,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:15,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3223 transitions. [2024-11-09 07:00:15,611 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9661270983213429 [2024-11-09 07:00:15,611 INFO L175 Difference]: Start difference. First operand has 984 places, 1015 transitions, 2130 flow. Second operand 3 states and 3223 transitions. [2024-11-09 07:00:15,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 980 places, 1015 transitions, 2188 flow [2024-11-09 07:00:15,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 979 places, 1015 transitions, 2186 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:00:15,621 INFO L231 Difference]: Finished difference. Result has 980 places, 999 transitions, 2123 flow [2024-11-09 07:00:15,621 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2116, PETRI_DIFFERENCE_MINUEND_PLACES=977, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1009, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1001, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2123, PETRI_PLACES=980, PETRI_TRANSITIONS=999} [2024-11-09 07:00:15,623 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -61 predicate places. [2024-11-09 07:00:15,623 INFO L471 AbstractCegarLoop]: Abstraction has has 980 places, 999 transitions, 2123 flow [2024-11-09 07:00:15,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1065.0) internal successors, (3195), 3 states have internal predecessors, (3195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:15,623 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:15,624 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:15,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-09 07:00:15,624 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 07:00:15,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:15,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1901075455, now seen corresponding path program 1 times [2024-11-09 07:00:15,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:15,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103314822] [2024-11-09 07:00:15,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:15,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:15,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:15,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103314822] [2024-11-09 07:00:15,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103314822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:15,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:15,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:15,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268947508] [2024-11-09 07:00:15,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:15,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:15,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:15,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:15,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:15,693 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1057 out of 1112 [2024-11-09 07:00:15,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 980 places, 999 transitions, 2123 flow. Second operand has 3 states, 3 states have (on average 1058.6666666666667) internal successors, (3176), 3 states have internal predecessors, (3176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:15,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:15,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1057 of 1112 [2024-11-09 07:00:15,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:18,132 INFO L124 PetriNetUnfolderBase]: 488/9044 cut-off events. [2024-11-09 07:00:18,133 INFO L125 PetriNetUnfolderBase]: For 80/116 co-relation queries the response was YES. [2024-11-09 07:00:18,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9907 conditions, 9044 events. 488/9044 cut-off events. For 80/116 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 83309 event pairs, 14 based on Foata normal form. 2/7652 useless extension candidates. Maximal degree in co-relation 9080. Up to 166 conditions per place. [2024-11-09 07:00:18,454 INFO L140 encePairwiseOnDemand]: 1095/1112 looper letters, 23 selfloop transitions, 9 changer transitions 0/997 dead transitions. [2024-11-09 07:00:18,455 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 960 places, 997 transitions, 2185 flow [2024-11-09 07:00:18,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:18,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:18,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3211 transitions. [2024-11-09 07:00:18,457 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9625299760191847 [2024-11-09 07:00:18,457 INFO L175 Difference]: Start difference. First operand has 980 places, 999 transitions, 2123 flow. Second operand 3 states and 3211 transitions. [2024-11-09 07:00:18,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 960 places, 997 transitions, 2185 flow [2024-11-09 07:00:18,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 959 places, 997 transitions, 2177 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:00:18,468 INFO L231 Difference]: Finished difference. Result has 961 places, 995 transitions, 2151 flow [2024-11-09 07:00:18,469 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2099, PETRI_DIFFERENCE_MINUEND_PLACES=957, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=991, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=982, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2151, PETRI_PLACES=961, PETRI_TRANSITIONS=995} [2024-11-09 07:00:18,469 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -80 predicate places. [2024-11-09 07:00:18,469 INFO L471 AbstractCegarLoop]: Abstraction has has 961 places, 995 transitions, 2151 flow [2024-11-09 07:00:18,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1058.6666666666667) internal successors, (3176), 3 states have internal predecessors, (3176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:18,470 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:18,470 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:18,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-09 07:00:18,470 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 07:00:18,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:18,471 INFO L85 PathProgramCache]: Analyzing trace with hash -95304662, now seen corresponding path program 1 times [2024-11-09 07:00:18,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:18,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84510975] [2024-11-09 07:00:18,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:18,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:18,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:18,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:18,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84510975] [2024-11-09 07:00:18,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84510975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:18,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:18,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:18,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752736521] [2024-11-09 07:00:18,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:18,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:18,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:18,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:18,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:18,538 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-09 07:00:18,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 961 places, 995 transitions, 2151 flow. Second operand has 3 states, 3 states have (on average 1071.0) internal successors, (3213), 3 states have internal predecessors, (3213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:18,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:18,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-09 07:00:18,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:20,417 INFO L124 PetriNetUnfolderBase]: 367/7058 cut-off events. [2024-11-09 07:00:20,417 INFO L125 PetriNetUnfolderBase]: For 166/204 co-relation queries the response was YES. [2024-11-09 07:00:20,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7780 conditions, 7058 events. 367/7058 cut-off events. For 166/204 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 68240 event pairs, 48 based on Foata normal form. 2/5984 useless extension candidates. Maximal degree in co-relation 6211. Up to 147 conditions per place. [2024-11-09 07:00:20,727 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 24 selfloop transitions, 3 changer transitions 0/996 dead transitions. [2024-11-09 07:00:20,727 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 962 places, 996 transitions, 2209 flow [2024-11-09 07:00:20,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:20,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:20,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3231 transitions. [2024-11-09 07:00:20,730 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9685251798561151 [2024-11-09 07:00:20,730 INFO L175 Difference]: Start difference. First operand has 961 places, 995 transitions, 2151 flow. Second operand 3 states and 3231 transitions. [2024-11-09 07:00:20,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 962 places, 996 transitions, 2209 flow [2024-11-09 07:00:20,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 960 places, 996 transitions, 2191 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:20,741 INFO L231 Difference]: Finished difference. Result has 960 places, 994 transitions, 2137 flow [2024-11-09 07:00:20,741 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2131, PETRI_DIFFERENCE_MINUEND_PLACES=958, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=994, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=991, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2137, PETRI_PLACES=960, PETRI_TRANSITIONS=994} [2024-11-09 07:00:20,743 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -81 predicate places. [2024-11-09 07:00:20,744 INFO L471 AbstractCegarLoop]: Abstraction has has 960 places, 994 transitions, 2137 flow [2024-11-09 07:00:20,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.0) internal successors, (3213), 3 states have internal predecessors, (3213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:20,744 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:20,744 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:20,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-09 07:00:20,745 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 07:00:20,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:20,745 INFO L85 PathProgramCache]: Analyzing trace with hash -347496526, now seen corresponding path program 1 times [2024-11-09 07:00:20,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:20,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100734798] [2024-11-09 07:00:20,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:20,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:20,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:20,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:20,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100734798] [2024-11-09 07:00:20,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100734798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:20,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:20,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:20,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362705743] [2024-11-09 07:00:20,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:20,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:20,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:20,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:20,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:20,816 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1071 out of 1112 [2024-11-09 07:00:20,818 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 960 places, 994 transitions, 2137 flow. Second operand has 3 states, 3 states have (on average 1073.3333333333333) internal successors, (3220), 3 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:20,818 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:20,818 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1071 of 1112 [2024-11-09 07:00:20,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:21,910 INFO L124 PetriNetUnfolderBase]: 259/4213 cut-off events. [2024-11-09 07:00:21,910 INFO L125 PetriNetUnfolderBase]: For 187/205 co-relation queries the response was YES. [2024-11-09 07:00:22,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4725 conditions, 4213 events. 259/4213 cut-off events. For 187/205 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 33656 event pairs, 60 based on Foata normal form. 1/3550 useless extension candidates. Maximal degree in co-relation 3940. Up to 212 conditions per place. [2024-11-09 07:00:22,113 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 20 selfloop transitions, 3 changer transitions 0/995 dead transitions. [2024-11-09 07:00:22,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 961 places, 995 transitions, 2187 flow [2024-11-09 07:00:22,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:22,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:22,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3233 transitions. [2024-11-09 07:00:22,115 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9691247002398081 [2024-11-09 07:00:22,115 INFO L175 Difference]: Start difference. First operand has 960 places, 994 transitions, 2137 flow. Second operand 3 states and 3233 transitions. [2024-11-09 07:00:22,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 961 places, 995 transitions, 2187 flow [2024-11-09 07:00:22,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 959 places, 995 transitions, 2181 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:22,126 INFO L231 Difference]: Finished difference. Result has 959 places, 993 transitions, 2135 flow [2024-11-09 07:00:22,127 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2129, PETRI_DIFFERENCE_MINUEND_PLACES=957, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=993, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=990, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2135, PETRI_PLACES=959, PETRI_TRANSITIONS=993} [2024-11-09 07:00:22,127 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -82 predicate places. [2024-11-09 07:00:22,127 INFO L471 AbstractCegarLoop]: Abstraction has has 959 places, 993 transitions, 2135 flow [2024-11-09 07:00:22,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1073.3333333333333) internal successors, (3220), 3 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:22,128 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:22,128 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:22,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-09 07:00:22,128 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 07:00:22,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:22,128 INFO L85 PathProgramCache]: Analyzing trace with hash 2104380561, now seen corresponding path program 1 times [2024-11-09 07:00:22,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:22,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506451528] [2024-11-09 07:00:22,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:22,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:22,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:22,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:22,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506451528] [2024-11-09 07:00:22,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506451528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:22,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:22,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:00:22,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922007679] [2024-11-09 07:00:22,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:22,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:22,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:22,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:22,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:22,203 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1078 out of 1112 [2024-11-09 07:00:22,204 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 959 places, 993 transitions, 2135 flow. Second operand has 3 states, 3 states have (on average 1080.6666666666667) internal successors, (3242), 3 states have internal predecessors, (3242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:22,204 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:22,204 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1078 of 1112 [2024-11-09 07:00:22,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:24,349 INFO L124 PetriNetUnfolderBase]: 267/5701 cut-off events. [2024-11-09 07:00:24,350 INFO L125 PetriNetUnfolderBase]: For 34/90 co-relation queries the response was YES. [2024-11-09 07:00:24,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6129 conditions, 5701 events. 267/5701 cut-off events. For 34/90 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 50734 event pairs, 8 based on Foata normal form. 0/4817 useless extension candidates. Maximal degree in co-relation 4950. Up to 89 conditions per place. [2024-11-09 07:00:24,554 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 15 selfloop transitions, 2 changer transitions 0/997 dead transitions. [2024-11-09 07:00:24,554 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 961 places, 997 transitions, 2180 flow [2024-11-09 07:00:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:24,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:24,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3252 transitions. [2024-11-09 07:00:24,556 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9748201438848921 [2024-11-09 07:00:24,560 INFO L175 Difference]: Start difference. First operand has 959 places, 993 transitions, 2135 flow. Second operand 3 states and 3252 transitions. [2024-11-09 07:00:24,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 961 places, 997 transitions, 2180 flow [2024-11-09 07:00:24,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 959 places, 997 transitions, 2174 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:24,573 INFO L231 Difference]: Finished difference. Result has 961 places, 994 transitions, 2143 flow [2024-11-09 07:00:24,573 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2129, PETRI_DIFFERENCE_MINUEND_PLACES=957, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=993, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=991, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2143, PETRI_PLACES=961, PETRI_TRANSITIONS=994} [2024-11-09 07:00:24,578 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -80 predicate places. [2024-11-09 07:00:24,578 INFO L471 AbstractCegarLoop]: Abstraction has has 961 places, 994 transitions, 2143 flow [2024-11-09 07:00:24,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1080.6666666666667) internal successors, (3242), 3 states have internal predecessors, (3242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:24,579 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:24,579 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:24,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-09 07:00:24,579 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 07:00:24,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:24,580 INFO L85 PathProgramCache]: Analyzing trace with hash 806392463, now seen corresponding path program 1 times [2024-11-09 07:00:24,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:24,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302310705] [2024-11-09 07:00:24,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:24,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:24,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:24,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302310705] [2024-11-09 07:00:24,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302310705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:24,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:24,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:24,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383727411] [2024-11-09 07:00:24,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:24,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:24,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:24,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:24,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:24,678 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1057 out of 1112 [2024-11-09 07:00:24,679 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 961 places, 994 transitions, 2143 flow. Second operand has 3 states, 3 states have (on average 1059.0) internal successors, (3177), 3 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:24,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:24,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1057 of 1112 [2024-11-09 07:00:24,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:29,080 INFO L124 PetriNetUnfolderBase]: 631/10693 cut-off events. [2024-11-09 07:00:29,080 INFO L125 PetriNetUnfolderBase]: For 84/240 co-relation queries the response was YES. [2024-11-09 07:00:29,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11798 conditions, 10693 events. 631/10693 cut-off events. For 84/240 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 110632 event pairs, 67 based on Foata normal form. 0/9062 useless extension candidates. Maximal degree in co-relation 9704. Up to 336 conditions per place. [2024-11-09 07:00:29,725 INFO L140 encePairwiseOnDemand]: 1095/1112 looper letters, 23 selfloop transitions, 9 changer transitions 0/992 dead transitions. [2024-11-09 07:00:29,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 955 places, 992 transitions, 2205 flow [2024-11-09 07:00:29,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:29,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:29,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3211 transitions. [2024-11-09 07:00:29,731 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9625299760191847 [2024-11-09 07:00:29,731 INFO L175 Difference]: Start difference. First operand has 961 places, 994 transitions, 2143 flow. Second operand 3 states and 3211 transitions. [2024-11-09 07:00:29,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 955 places, 992 transitions, 2205 flow [2024-11-09 07:00:29,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 954 places, 992 transitions, 2203 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:00:29,753 INFO L231 Difference]: Finished difference. Result has 956 places, 990 transitions, 2177 flow [2024-11-09 07:00:29,758 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2125, PETRI_DIFFERENCE_MINUEND_PLACES=952, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=986, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=977, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2177, PETRI_PLACES=956, PETRI_TRANSITIONS=990} [2024-11-09 07:00:29,759 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -85 predicate places. [2024-11-09 07:00:29,759 INFO L471 AbstractCegarLoop]: Abstraction has has 956 places, 990 transitions, 2177 flow [2024-11-09 07:00:29,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1059.0) internal successors, (3177), 3 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:29,761 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:29,761 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:29,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-09 07:00:29,761 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 07:00:29,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:29,769 INFO L85 PathProgramCache]: Analyzing trace with hash -2063144847, now seen corresponding path program 1 times [2024-11-09 07:00:29,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:29,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637261031] [2024-11-09 07:00:29,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:29,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:29,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:29,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:29,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637261031] [2024-11-09 07:00:29,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637261031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:29,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:29,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:29,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792781877] [2024-11-09 07:00:29,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:29,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:29,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:29,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:29,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:29,848 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-09 07:00:29,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 956 places, 990 transitions, 2177 flow. Second operand has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:29,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:29,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-09 07:00:29,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:33,653 INFO L124 PetriNetUnfolderBase]: 484/8694 cut-off events. [2024-11-09 07:00:33,653 INFO L125 PetriNetUnfolderBase]: For 386/637 co-relation queries the response was YES. [2024-11-09 07:00:33,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9793 conditions, 8694 events. 484/8694 cut-off events. For 386/637 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 92238 event pairs, 59 based on Foata normal form. 0/7387 useless extension candidates. Maximal degree in co-relation 7686. Up to 284 conditions per place. [2024-11-09 07:00:34,026 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 24 selfloop transitions, 3 changer transitions 0/991 dead transitions. [2024-11-09 07:00:34,026 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 957 places, 991 transitions, 2235 flow [2024-11-09 07:00:34,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:34,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:34,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3231 transitions. [2024-11-09 07:00:34,028 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9685251798561151 [2024-11-09 07:00:34,028 INFO L175 Difference]: Start difference. First operand has 956 places, 990 transitions, 2177 flow. Second operand 3 states and 3231 transitions. [2024-11-09 07:00:34,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 957 places, 991 transitions, 2235 flow [2024-11-09 07:00:34,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 955 places, 991 transitions, 2217 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:34,038 INFO L231 Difference]: Finished difference. Result has 955 places, 989 transitions, 2163 flow [2024-11-09 07:00:34,039 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2157, PETRI_DIFFERENCE_MINUEND_PLACES=953, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=989, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=986, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2163, PETRI_PLACES=955, PETRI_TRANSITIONS=989} [2024-11-09 07:00:34,039 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -86 predicate places. [2024-11-09 07:00:34,039 INFO L471 AbstractCegarLoop]: Abstraction has has 955 places, 989 transitions, 2163 flow [2024-11-09 07:00:34,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:34,040 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:34,040 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:34,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-09 07:00:34,040 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting thread1Err36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 07:00:34,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:34,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1349876757, now seen corresponding path program 1 times [2024-11-09 07:00:34,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:34,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500300054] [2024-11-09 07:00:34,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:34,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:34,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:34,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:34,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500300054] [2024-11-09 07:00:34,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500300054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:34,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:34,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:34,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228036545] [2024-11-09 07:00:34,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:34,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:34,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:34,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:34,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:34,089 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1071 out of 1112 [2024-11-09 07:00:34,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 955 places, 989 transitions, 2163 flow. Second operand has 3 states, 3 states have (on average 1072.6666666666667) internal successors, (3218), 3 states have internal predecessors, (3218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:34,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:34,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1071 of 1112 [2024-11-09 07:00:34,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:36,235 INFO L124 PetriNetUnfolderBase]: 263/5241 cut-off events. [2024-11-09 07:00:36,236 INFO L125 PetriNetUnfolderBase]: For 12/84 co-relation queries the response was YES. [2024-11-09 07:00:36,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5874 conditions, 5241 events. 263/5241 cut-off events. For 12/84 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 48411 event pairs, 6 based on Foata normal form. 2/4548 useless extension candidates. Maximal degree in co-relation 4566. Up to 106 conditions per place. [2024-11-09 07:00:36,482 INFO L140 encePairwiseOnDemand]: 1105/1112 looper letters, 15 selfloop transitions, 3 changer transitions 0/987 dead transitions. [2024-11-09 07:00:36,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 953 places, 987 transitions, 2197 flow [2024-11-09 07:00:36,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:36,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:36,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3235 transitions. [2024-11-09 07:00:36,485 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9697242206235012 [2024-11-09 07:00:36,485 INFO L175 Difference]: Start difference. First operand has 955 places, 989 transitions, 2163 flow. Second operand 3 states and 3235 transitions. [2024-11-09 07:00:36,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 953 places, 987 transitions, 2197 flow [2024-11-09 07:00:36,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 951 places, 987 transitions, 2191 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:36,494 INFO L231 Difference]: Finished difference. Result has 951 places, 985 transitions, 2155 flow [2024-11-09 07:00:36,495 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2149, PETRI_DIFFERENCE_MINUEND_PLACES=949, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=985, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=982, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2155, PETRI_PLACES=951, PETRI_TRANSITIONS=985} [2024-11-09 07:00:36,495 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -90 predicate places. [2024-11-09 07:00:36,495 INFO L471 AbstractCegarLoop]: Abstraction has has 951 places, 985 transitions, 2155 flow [2024-11-09 07:00:36,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1072.6666666666667) internal successors, (3218), 3 states have internal predecessors, (3218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:36,496 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:36,496 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:36,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-09 07:00:36,496 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 07:00:36,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:36,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1976844359, now seen corresponding path program 1 times [2024-11-09 07:00:36,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:36,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011973232] [2024-11-09 07:00:36,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:36,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:36,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:36,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:36,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011973232] [2024-11-09 07:00:36,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011973232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:36,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:36,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:00:36,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625765175] [2024-11-09 07:00:36,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:36,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:36,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:36,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:36,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:36,564 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1078 out of 1112 [2024-11-09 07:00:36,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 951 places, 985 transitions, 2155 flow. Second operand has 3 states, 3 states have (on average 1081.0) internal successors, (3243), 3 states have internal predecessors, (3243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:36,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:36,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1078 of 1112 [2024-11-09 07:00:36,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:40,327 INFO L124 PetriNetUnfolderBase]: 386/8449 cut-off events. [2024-11-09 07:00:40,328 INFO L125 PetriNetUnfolderBase]: For 37/73 co-relation queries the response was YES. [2024-11-09 07:00:40,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9048 conditions, 8449 events. 386/8449 cut-off events. For 37/73 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 77438 event pairs, 16 based on Foata normal form. 2/7129 useless extension candidates. Maximal degree in co-relation 7625. Up to 183 conditions per place. [2024-11-09 07:00:40,863 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 14 selfloop transitions, 2 changer transitions 0/988 dead transitions. [2024-11-09 07:00:40,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 953 places, 988 transitions, 2195 flow [2024-11-09 07:00:40,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:40,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:40,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3251 transitions. [2024-11-09 07:00:40,865 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9745203836930456 [2024-11-09 07:00:40,865 INFO L175 Difference]: Start difference. First operand has 951 places, 985 transitions, 2155 flow. Second operand 3 states and 3251 transitions. [2024-11-09 07:00:40,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 953 places, 988 transitions, 2195 flow [2024-11-09 07:00:40,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 951 places, 988 transitions, 2189 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:40,873 INFO L231 Difference]: Finished difference. Result has 953 places, 986 transitions, 2163 flow [2024-11-09 07:00:40,874 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2149, PETRI_DIFFERENCE_MINUEND_PLACES=949, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=985, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=983, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2163, PETRI_PLACES=953, PETRI_TRANSITIONS=986} [2024-11-09 07:00:40,874 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -88 predicate places. [2024-11-09 07:00:40,875 INFO L471 AbstractCegarLoop]: Abstraction has has 953 places, 986 transitions, 2163 flow [2024-11-09 07:00:40,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1081.0) internal successors, (3243), 3 states have internal predecessors, (3243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:40,875 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:40,876 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:40,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-09 07:00:40,877 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-09 07:00:40,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:40,877 INFO L85 PathProgramCache]: Analyzing trace with hash 54394455, now seen corresponding path program 1 times [2024-11-09 07:00:40,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:40,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104761420] [2024-11-09 07:00:40,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:40,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:40,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:40,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:40,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104761420] [2024-11-09 07:00:40,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104761420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:40,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:40,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:40,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656047988] [2024-11-09 07:00:40,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:40,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:40,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:40,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:40,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:40,987 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1057 out of 1112 [2024-11-09 07:00:40,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 953 places, 986 transitions, 2163 flow. Second operand has 3 states, 3 states have (on average 1059.3333333333333) internal successors, (3178), 3 states have internal predecessors, (3178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:40,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:40,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1057 of 1112 [2024-11-09 07:00:40,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand