./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_05-ptra_rc.i --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/goblint-regression/09-regions_05-ptra_rc.i -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 b00ba58edbbf9092a3bbde4865c9e14ef534546a29b4ba514bb7ebaf27fc72c0 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:52:07,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:52:07,802 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:52:07,805 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:52:07,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:52:07,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:52:07,832 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:52:07,832 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:52:07,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:52:07,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:52:07,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:52:07,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:52:07,834 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:52:07,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:52:07,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:52:07,842 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:52:07,842 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:52:07,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:52:07,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:52:07,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:52:07,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:52:07,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:52:07,845 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:52:07,845 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:52:07,845 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:52:07,845 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:52:07,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:52:07,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:52:07,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:52:07,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:52:07,847 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:52:07,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:52:07,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:52:07,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:52:07,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:52:07,848 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:52:07,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:52:07,848 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:52:07,849 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:52:07,849 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:52:07,849 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:52:07,849 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b00ba58edbbf9092a3bbde4865c9e14ef534546a29b4ba514bb7ebaf27fc72c0 [2024-11-09 06:52:08,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:52:08,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:52:08,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:52:08,058 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:52:08,058 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:52:08,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_05-ptra_rc.i [2024-11-09 06:52:09,358 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:52:09,603 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:52:09,604 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_05-ptra_rc.i [2024-11-09 06:52:09,635 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2ee5199c/71b80f5070064f0eb448257cf2848b24/FLAG82519bbf3 [2024-11-09 06:52:09,667 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2ee5199c/71b80f5070064f0eb448257cf2848b24 [2024-11-09 06:52:09,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:52:09,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:52:09,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:52:09,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:52:09,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:52:09,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:52:09" (1/1) ... [2024-11-09 06:52:09,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f46a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:09, skipping insertion in model container [2024-11-09 06:52:09,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:52:09" (1/1) ... [2024-11-09 06:52:09,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:52:10,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:52:10,314 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:52:10,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:52:10,412 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:52:10,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:10 WrapperNode [2024-11-09 06:52:10,413 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:52:10,414 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:52:10,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:52:10,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:52:10,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:10" (1/1) ... [2024-11-09 06:52:10,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:10" (1/1) ... [2024-11-09 06:52:10,476 INFO L138 Inliner]: procedures = 368, calls = 35, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 207 [2024-11-09 06:52:10,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:52:10,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:52:10,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:52:10,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:52:10,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:10" (1/1) ... [2024-11-09 06:52:10,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:10" (1/1) ... [2024-11-09 06:52:10,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:10" (1/1) ... [2024-11-09 06:52:10,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:10" (1/1) ... [2024-11-09 06:52:10,516 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:10" (1/1) ... [2024-11-09 06:52:10,517 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:10" (1/1) ... [2024-11-09 06:52:10,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:10" (1/1) ... [2024-11-09 06:52:10,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:10" (1/1) ... [2024-11-09 06:52:10,523 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:52:10,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:52:10,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:52:10,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:52:10,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:10" (1/1) ... [2024-11-09 06:52:10,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:52:10,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:52:10,566 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 06:52:10,570 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 06:52:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:52:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 06:52:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:52:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:52:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 06:52:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:52:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:52:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:52:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-09 06:52:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-09 06:52:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:52:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:52:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:52:10,607 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 06:52:10,756 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:52:10,758 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:52:11,067 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:52:11,067 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:52:11,097 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:52:11,098 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:52:11,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:52:11 BoogieIcfgContainer [2024-11-09 06:52:11,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:52:11,102 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:52:11,103 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:52:11,107 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:52:11,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:52:09" (1/3) ... [2024-11-09 06:52:11,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28019cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:52:11, skipping insertion in model container [2024-11-09 06:52:11,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:10" (2/3) ... [2024-11-09 06:52:11,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28019cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:52:11, skipping insertion in model container [2024-11-09 06:52:11,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:52:11" (3/3) ... [2024-11-09 06:52:11,110 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_05-ptra_rc.i [2024-11-09 06:52:11,123 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:52:11,123 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-09 06:52:11,123 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:52:11,230 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 06:52:11,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 244 places, 240 transitions, 484 flow [2024-11-09 06:52:11,329 INFO L124 PetriNetUnfolderBase]: 0/239 cut-off events. [2024-11-09 06:52:11,329 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:52:11,336 INFO L83 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 239 events. 0/239 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-09 06:52:11,336 INFO L82 GeneralOperation]: Start removeDead. Operand has 244 places, 240 transitions, 484 flow [2024-11-09 06:52:11,342 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 243 places, 239 transitions, 481 flow [2024-11-09 06:52:11,355 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:52:11,364 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;@7e6acc53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:52:11,365 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-09 06:52:11,376 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:52:11,376 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events. [2024-11-09 06:52:11,376 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:52:11,376 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:11,377 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] [2024-11-09 06:52:11,378 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:52:11,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:11,383 INFO L85 PathProgramCache]: Analyzing trace with hash 408968249, now seen corresponding path program 1 times [2024-11-09 06:52:11,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:11,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138456776] [2024-11-09 06:52:11,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:11,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:12,066 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 06:52:12,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:12,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138456776] [2024-11-09 06:52:12,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138456776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:12,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:12,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:52:12,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478017928] [2024-11-09 06:52:12,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:12,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:52:12,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:12,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:52:12,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:52:12,607 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 240 [2024-11-09 06:52:12,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 239 transitions, 481 flow. Second operand has 6 states, 6 states have (on average 171.33333333333334) internal successors, (1028), 6 states have internal predecessors, (1028), 0 states have call successors, (0), 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 06:52:12,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:12,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 240 [2024-11-09 06:52:12,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:12,862 INFO L124 PetriNetUnfolderBase]: 220/1062 cut-off events. [2024-11-09 06:52:12,863 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:52:12,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1574 conditions, 1062 events. 220/1062 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5475 event pairs, 220 based on Foata normal form. 0/954 useless extension candidates. Maximal degree in co-relation 1401. Up to 493 conditions per place. [2024-11-09 06:52:12,873 INFO L140 encePairwiseOnDemand]: 222/240 looper letters, 52 selfloop transitions, 15 changer transitions 0/236 dead transitions. [2024-11-09 06:52:12,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 236 transitions, 609 flow [2024-11-09 06:52:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:52:12,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:52:12,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1090 transitions. [2024-11-09 06:52:12,894 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7569444444444444 [2024-11-09 06:52:12,896 INFO L175 Difference]: Start difference. First operand has 243 places, 239 transitions, 481 flow. Second operand 6 states and 1090 transitions. [2024-11-09 06:52:12,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 236 transitions, 609 flow [2024-11-09 06:52:12,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 236 transitions, 608 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:52:12,904 INFO L231 Difference]: Finished difference. Result has 244 places, 236 transitions, 504 flow [2024-11-09 06:52:12,906 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=504, PETRI_PLACES=244, PETRI_TRANSITIONS=236} [2024-11-09 06:52:12,910 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 1 predicate places. [2024-11-09 06:52:12,910 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 236 transitions, 504 flow [2024-11-09 06:52:12,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 171.33333333333334) internal successors, (1028), 6 states have internal predecessors, (1028), 0 states have call successors, (0), 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 06:52:12,911 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:12,911 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] [2024-11-09 06:52:12,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:52:12,911 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:52:12,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:12,912 INFO L85 PathProgramCache]: Analyzing trace with hash 535129878, now seen corresponding path program 1 times [2024-11-09 06:52:12,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:12,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194559728] [2024-11-09 06:52:12,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:12,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:13,227 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 06:52:13,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:13,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194559728] [2024-11-09 06:52:13,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194559728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:13,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:13,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:52:13,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567039431] [2024-11-09 06:52:13,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:13,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:52:13,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:13,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:52:13,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:52:13,639 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 240 [2024-11-09 06:52:13,640 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 236 transitions, 504 flow. Second operand has 6 states, 6 states have (on average 171.33333333333334) internal successors, (1028), 6 states have internal predecessors, (1028), 0 states have call successors, (0), 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 06:52:13,640 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:13,641 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 240 [2024-11-09 06:52:13,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:13,749 INFO L124 PetriNetUnfolderBase]: 220/1059 cut-off events. [2024-11-09 06:52:13,750 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:52:13,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1586 conditions, 1059 events. 220/1059 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5458 event pairs, 220 based on Foata normal form. 0/954 useless extension candidates. Maximal degree in co-relation 1426. Up to 493 conditions per place. [2024-11-09 06:52:13,754 INFO L140 encePairwiseOnDemand]: 222/240 looper letters, 52 selfloop transitions, 15 changer transitions 0/233 dead transitions. [2024-11-09 06:52:13,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 233 transitions, 632 flow [2024-11-09 06:52:13,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:52:13,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:52:13,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1090 transitions. [2024-11-09 06:52:13,757 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7569444444444444 [2024-11-09 06:52:13,757 INFO L175 Difference]: Start difference. First operand has 244 places, 236 transitions, 504 flow. Second operand 6 states and 1090 transitions. [2024-11-09 06:52:13,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 233 transitions, 632 flow [2024-11-09 06:52:13,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 233 transitions, 602 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:52:13,763 INFO L231 Difference]: Finished difference. Result has 241 places, 233 transitions, 498 flow [2024-11-09 06:52:13,763 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=498, PETRI_PLACES=241, PETRI_TRANSITIONS=233} [2024-11-09 06:52:13,764 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -2 predicate places. [2024-11-09 06:52:13,764 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 233 transitions, 498 flow [2024-11-09 06:52:13,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 171.33333333333334) internal successors, (1028), 6 states have internal predecessors, (1028), 0 states have call successors, (0), 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 06:52:13,765 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:13,765 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] [2024-11-09 06:52:13,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:52:13,765 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:52:13,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:13,766 INFO L85 PathProgramCache]: Analyzing trace with hash 106327977, now seen corresponding path program 1 times [2024-11-09 06:52:13,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:13,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322830646] [2024-11-09 06:52:13,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:13,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:13,819 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 06:52:13,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:13,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322830646] [2024-11-09 06:52:13,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322830646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:13,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:13,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:52:13,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354565707] [2024-11-09 06:52:13,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:13,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:52:13,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:13,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:52:13,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:52:13,846 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 240 [2024-11-09 06:52:13,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 233 transitions, 498 flow. Second operand has 3 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 0 states have call successors, (0), 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 06:52:13,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:13,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 240 [2024-11-09 06:52:13,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:13,881 INFO L124 PetriNetUnfolderBase]: 16/368 cut-off events. [2024-11-09 06:52:13,881 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:52:13,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 436 conditions, 368 events. 16/368 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 773 event pairs, 16 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 288. Up to 47 conditions per place. [2024-11-09 06:52:13,883 INFO L140 encePairwiseOnDemand]: 237/240 looper letters, 14 selfloop transitions, 2 changer transitions 0/232 dead transitions. [2024-11-09 06:52:13,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 232 transitions, 528 flow [2024-11-09 06:52:13,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:52:13,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:52:13,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 686 transitions. [2024-11-09 06:52:13,884 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9527777777777777 [2024-11-09 06:52:13,885 INFO L175 Difference]: Start difference. First operand has 241 places, 233 transitions, 498 flow. Second operand 3 states and 686 transitions. [2024-11-09 06:52:13,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 232 transitions, 528 flow [2024-11-09 06:52:13,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 232 transitions, 498 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:52:13,888 INFO L231 Difference]: Finished difference. Result has 237 places, 232 transitions, 470 flow [2024-11-09 06:52:13,888 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=470, PETRI_PLACES=237, PETRI_TRANSITIONS=232} [2024-11-09 06:52:13,889 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -6 predicate places. [2024-11-09 06:52:13,889 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 232 transitions, 470 flow [2024-11-09 06:52:13,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 0 states have call successors, (0), 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 06:52:13,890 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:13,890 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] [2024-11-09 06:52:13,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:52:13,890 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:52:13,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:13,891 INFO L85 PathProgramCache]: Analyzing trace with hash 296367235, now seen corresponding path program 1 times [2024-11-09 06:52:13,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:13,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569395588] [2024-11-09 06:52:13,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:13,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:13,933 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 06:52:13,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:13,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569395588] [2024-11-09 06:52:13,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569395588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:13,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:13,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:52:13,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413683545] [2024-11-09 06:52:13,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:13,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:52:13,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:13,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:52:13,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:52:13,952 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 240 [2024-11-09 06:52:13,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 232 transitions, 470 flow. Second operand has 3 states, 3 states have (on average 220.0) internal successors, (660), 3 states have internal predecessors, (660), 0 states have call successors, (0), 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 06:52:13,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:13,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 240 [2024-11-09 06:52:13,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:14,051 INFO L124 PetriNetUnfolderBase]: 24/445 cut-off events. [2024-11-09 06:52:14,055 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:52:14,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 516 conditions, 445 events. 24/445 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1219 event pairs, 24 based on Foata normal form. 0/412 useless extension candidates. Maximal degree in co-relation 455. Up to 63 conditions per place. [2024-11-09 06:52:14,057 INFO L140 encePairwiseOnDemand]: 234/240 looper letters, 15 selfloop transitions, 1 changer transitions 0/227 dead transitions. [2024-11-09 06:52:14,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 227 transitions, 492 flow [2024-11-09 06:52:14,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:52:14,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:52:14,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 678 transitions. [2024-11-09 06:52:14,063 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9416666666666667 [2024-11-09 06:52:14,063 INFO L175 Difference]: Start difference. First operand has 237 places, 232 transitions, 470 flow. Second operand 3 states and 678 transitions. [2024-11-09 06:52:14,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 227 transitions, 492 flow [2024-11-09 06:52:14,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 227 transitions, 488 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:52:14,068 INFO L231 Difference]: Finished difference. Result has 232 places, 227 transitions, 458 flow [2024-11-09 06:52:14,071 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=458, PETRI_PLACES=232, PETRI_TRANSITIONS=227} [2024-11-09 06:52:14,073 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -11 predicate places. [2024-11-09 06:52:14,073 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 227 transitions, 458 flow [2024-11-09 06:52:14,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.0) internal successors, (660), 3 states have internal predecessors, (660), 0 states have call successors, (0), 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 06:52:14,077 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:14,077 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] [2024-11-09 06:52:14,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:52:14,078 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:52:14,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:14,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1505942631, now seen corresponding path program 1 times [2024-11-09 06:52:14,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:14,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844416653] [2024-11-09 06:52:14,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:14,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:14,656 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 06:52:14,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:14,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844416653] [2024-11-09 06:52:14,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844416653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:14,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:14,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:52:14,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751797177] [2024-11-09 06:52:14,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:14,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:52:14,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:14,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:52:14,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:52:15,045 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 240 [2024-11-09 06:52:15,046 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 227 transitions, 458 flow. Second operand has 6 states, 6 states have (on average 172.16666666666666) internal successors, (1033), 6 states have internal predecessors, (1033), 0 states have call successors, (0), 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 06:52:15,047 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:15,047 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 240 [2024-11-09 06:52:15,047 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:15,191 INFO L124 PetriNetUnfolderBase]: 288/1198 cut-off events. [2024-11-09 06:52:15,191 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:52:15,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1851 conditions, 1198 events. 288/1198 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6404 event pairs, 288 based on Foata normal form. 0/1137 useless extension candidates. Maximal degree in co-relation 1780. Up to 643 conditions per place. [2024-11-09 06:52:15,195 INFO L140 encePairwiseOnDemand]: 234/240 looper letters, 66 selfloop transitions, 5 changer transitions 0/226 dead transitions. [2024-11-09 06:52:15,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 226 transitions, 598 flow [2024-11-09 06:52:15,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:52:15,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:52:15,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1080 transitions. [2024-11-09 06:52:15,198 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.75 [2024-11-09 06:52:15,198 INFO L175 Difference]: Start difference. First operand has 232 places, 227 transitions, 458 flow. Second operand 6 states and 1080 transitions. [2024-11-09 06:52:15,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 226 transitions, 598 flow [2024-11-09 06:52:15,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 226 transitions, 597 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:52:15,201 INFO L231 Difference]: Finished difference. Result has 235 places, 226 transitions, 465 flow [2024-11-09 06:52:15,201 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=455, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=465, PETRI_PLACES=235, PETRI_TRANSITIONS=226} [2024-11-09 06:52:15,202 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -8 predicate places. [2024-11-09 06:52:15,202 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 226 transitions, 465 flow [2024-11-09 06:52:15,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 172.16666666666666) internal successors, (1033), 6 states have internal predecessors, (1033), 0 states have call successors, (0), 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 06:52:15,203 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:15,203 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] [2024-11-09 06:52:15,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:52:15,203 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:52:15,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:15,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1196565690, now seen corresponding path program 1 times [2024-11-09 06:52:15,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:15,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624265595] [2024-11-09 06:52:15,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:15,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:15,254 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 06:52:15,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:15,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624265595] [2024-11-09 06:52:15,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624265595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:15,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:15,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:52:15,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342778321] [2024-11-09 06:52:15,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:15,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:52:15,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:15,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:52:15,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:52:15,268 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 240 [2024-11-09 06:52:15,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 226 transitions, 465 flow. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 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 06:52:15,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:15,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 240 [2024-11-09 06:52:15,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:15,320 INFO L124 PetriNetUnfolderBase]: 6/289 cut-off events. [2024-11-09 06:52:15,320 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:52:15,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 289 events. 6/289 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 397 event pairs, 6 based on Foata normal form. 0/273 useless extension candidates. Maximal degree in co-relation 263. Up to 23 conditions per place. [2024-11-09 06:52:15,321 INFO L140 encePairwiseOnDemand]: 237/240 looper letters, 10 selfloop transitions, 2 changer transitions 0/225 dead transitions. [2024-11-09 06:52:15,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 225 transitions, 487 flow [2024-11-09 06:52:15,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:52:15,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:52:15,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 694 transitions. [2024-11-09 06:52:15,323 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9638888888888889 [2024-11-09 06:52:15,324 INFO L175 Difference]: Start difference. First operand has 235 places, 226 transitions, 465 flow. Second operand 3 states and 694 transitions. [2024-11-09 06:52:15,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 225 transitions, 487 flow [2024-11-09 06:52:15,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 225 transitions, 477 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:52:15,326 INFO L231 Difference]: Finished difference. Result has 231 places, 225 transitions, 457 flow [2024-11-09 06:52:15,327 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=457, PETRI_PLACES=231, PETRI_TRANSITIONS=225} [2024-11-09 06:52:15,329 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -12 predicate places. [2024-11-09 06:52:15,329 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 225 transitions, 457 flow [2024-11-09 06:52:15,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 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 06:52:15,330 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:15,330 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] [2024-11-09 06:52:15,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:52:15,330 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:52:15,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:15,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1416804218, now seen corresponding path program 1 times [2024-11-09 06:52:15,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:15,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157033951] [2024-11-09 06:52:15,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:15,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:15,388 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 06:52:15,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:15,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157033951] [2024-11-09 06:52:15,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157033951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:15,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:15,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:52:15,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662320646] [2024-11-09 06:52:15,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:15,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:52:15,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:15,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:52:15,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:52:15,400 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 240 [2024-11-09 06:52:15,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 225 transitions, 457 flow. Second operand has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 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 06:52:15,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:15,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 240 [2024-11-09 06:52:15,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:15,428 INFO L124 PetriNetUnfolderBase]: 4/286 cut-off events. [2024-11-09 06:52:15,428 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:52:15,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 286 events. 4/286 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 261 event pairs, 4 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 250. Up to 15 conditions per place. [2024-11-09 06:52:15,430 INFO L140 encePairwiseOnDemand]: 238/240 looper letters, 7 selfloop transitions, 1 changer transitions 0/224 dead transitions. [2024-11-09 06:52:15,430 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 224 transitions, 471 flow [2024-11-09 06:52:15,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:52:15,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:52:15,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 702 transitions. [2024-11-09 06:52:15,431 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.975 [2024-11-09 06:52:15,431 INFO L175 Difference]: Start difference. First operand has 231 places, 225 transitions, 457 flow. Second operand 3 states and 702 transitions. [2024-11-09 06:52:15,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 224 transitions, 471 flow [2024-11-09 06:52:15,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 224 transitions, 467 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:52:15,434 INFO L231 Difference]: Finished difference. Result has 230 places, 224 transitions, 453 flow [2024-11-09 06:52:15,435 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=453, PETRI_PLACES=230, PETRI_TRANSITIONS=224} [2024-11-09 06:52:15,436 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -13 predicate places. [2024-11-09 06:52:15,436 INFO L471 AbstractCegarLoop]: Abstraction has has 230 places, 224 transitions, 453 flow [2024-11-09 06:52:15,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 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 06:52:15,437 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:15,437 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] [2024-11-09 06:52:15,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:52:15,437 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:52:15,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:15,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1164812758, now seen corresponding path program 1 times [2024-11-09 06:52:15,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:15,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528131826] [2024-11-09 06:52:15,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:15,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:15,882 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 06:52:15,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:15,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528131826] [2024-11-09 06:52:15,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528131826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:15,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:15,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:52:15,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643371115] [2024-11-09 06:52:15,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:15,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:52:15,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:15,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:52:15,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:52:16,143 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 240 [2024-11-09 06:52:16,145 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 224 transitions, 453 flow. Second operand has 6 states, 6 states have (on average 181.33333333333334) internal successors, (1088), 6 states have internal predecessors, (1088), 0 states have call successors, (0), 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 06:52:16,145 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:16,145 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 240 [2024-11-09 06:52:16,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:16,513 INFO L124 PetriNetUnfolderBase]: 316/1522 cut-off events. [2024-11-09 06:52:16,514 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:52:16,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2262 conditions, 1522 events. 316/1522 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 9251 event pairs, 36 based on Foata normal form. 0/1432 useless extension candidates. Maximal degree in co-relation 2192. Up to 388 conditions per place. [2024-11-09 06:52:16,521 INFO L140 encePairwiseOnDemand]: 212/240 looper letters, 107 selfloop transitions, 70 changer transitions 0/336 dead transitions. [2024-11-09 06:52:16,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 336 transitions, 1031 flow [2024-11-09 06:52:16,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:52:16,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:52:16,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1229 transitions. [2024-11-09 06:52:16,524 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8534722222222222 [2024-11-09 06:52:16,524 INFO L175 Difference]: Start difference. First operand has 230 places, 224 transitions, 453 flow. Second operand 6 states and 1229 transitions. [2024-11-09 06:52:16,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 336 transitions, 1031 flow [2024-11-09 06:52:16,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 336 transitions, 1030 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:52:16,531 INFO L231 Difference]: Finished difference. Result has 238 places, 294 transitions, 930 flow [2024-11-09 06:52:16,532 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=930, PETRI_PLACES=238, PETRI_TRANSITIONS=294} [2024-11-09 06:52:16,532 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -5 predicate places. [2024-11-09 06:52:16,532 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 294 transitions, 930 flow [2024-11-09 06:52:16,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 181.33333333333334) internal successors, (1088), 6 states have internal predecessors, (1088), 0 states have call successors, (0), 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 06:52:16,533 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:16,533 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] [2024-11-09 06:52:16,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:52:16,534 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:52:16,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:16,534 INFO L85 PathProgramCache]: Analyzing trace with hash -420518204, now seen corresponding path program 1 times [2024-11-09 06:52:16,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:16,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281119181] [2024-11-09 06:52:16,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:16,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:17,070 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 06:52:17,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:17,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281119181] [2024-11-09 06:52:17,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281119181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:17,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:17,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:52:17,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261514713] [2024-11-09 06:52:17,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:17,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:52:17,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:17,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:52:17,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:52:17,592 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 240 [2024-11-09 06:52:17,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 294 transitions, 930 flow. Second operand has 6 states, 6 states have (on average 182.16666666666666) internal successors, (1093), 6 states have internal predecessors, (1093), 0 states have call successors, (0), 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 06:52:17,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:17,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 240 [2024-11-09 06:52:17,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:17,850 INFO L124 PetriNetUnfolderBase]: 588/2293 cut-off events. [2024-11-09 06:52:17,851 INFO L125 PetriNetUnfolderBase]: For 602/608 co-relation queries the response was YES. [2024-11-09 06:52:17,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4691 conditions, 2293 events. 588/2293 cut-off events. For 602/608 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 15197 event pairs, 222 based on Foata normal form. 0/2182 useless extension candidates. Maximal degree in co-relation 4619. Up to 1090 conditions per place. [2024-11-09 06:52:17,862 INFO L140 encePairwiseOnDemand]: 225/240 looper letters, 114 selfloop transitions, 48 changer transitions 0/345 dead transitions. [2024-11-09 06:52:17,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 345 transitions, 1426 flow [2024-11-09 06:52:17,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:52:17,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:52:17,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1166 transitions. [2024-11-09 06:52:17,864 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8097222222222222 [2024-11-09 06:52:17,864 INFO L175 Difference]: Start difference. First operand has 238 places, 294 transitions, 930 flow. Second operand 6 states and 1166 transitions. [2024-11-09 06:52:17,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 345 transitions, 1426 flow [2024-11-09 06:52:17,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 345 transitions, 1426 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:52:17,875 INFO L231 Difference]: Finished difference. Result has 248 places, 337 transitions, 1318 flow [2024-11-09 06:52:17,875 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=930, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1318, PETRI_PLACES=248, PETRI_TRANSITIONS=337} [2024-11-09 06:52:17,876 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 5 predicate places. [2024-11-09 06:52:17,876 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 337 transitions, 1318 flow [2024-11-09 06:52:17,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.16666666666666) internal successors, (1093), 6 states have internal predecessors, (1093), 0 states have call successors, (0), 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 06:52:17,877 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:17,877 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] [2024-11-09 06:52:17,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:52:17,878 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:52:17,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:17,878 INFO L85 PathProgramCache]: Analyzing trace with hash 678966440, now seen corresponding path program 1 times [2024-11-09 06:52:17,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:17,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678720624] [2024-11-09 06:52:17,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:17,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:18,252 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 06:52:18,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:18,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678720624] [2024-11-09 06:52:18,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678720624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:18,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:18,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:52:18,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589543094] [2024-11-09 06:52:18,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:18,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:52:18,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:18,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:52:18,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:52:18,576 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 240 [2024-11-09 06:52:18,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 337 transitions, 1318 flow. Second operand has 6 states, 6 states have (on average 187.33333333333334) internal successors, (1124), 6 states have internal predecessors, (1124), 0 states have call successors, (0), 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 06:52:18,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:18,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 240 [2024-11-09 06:52:18,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:19,007 INFO L124 PetriNetUnfolderBase]: 754/2823 cut-off events. [2024-11-09 06:52:19,007 INFO L125 PetriNetUnfolderBase]: For 1640/1696 co-relation queries the response was YES. [2024-11-09 06:52:19,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6590 conditions, 2823 events. 754/2823 cut-off events. For 1640/1696 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 19722 event pairs, 86 based on Foata normal form. 0/2729 useless extension candidates. Maximal degree in co-relation 6511. Up to 1017 conditions per place. [2024-11-09 06:52:19,024 INFO L140 encePairwiseOnDemand]: 217/240 looper letters, 136 selfloop transitions, 136 changer transitions 4/477 dead transitions. [2024-11-09 06:52:19,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 477 transitions, 2626 flow [2024-11-09 06:52:19,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:52:19,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:52:19,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1224 transitions. [2024-11-09 06:52:19,026 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.85 [2024-11-09 06:52:19,026 INFO L175 Difference]: Start difference. First operand has 248 places, 337 transitions, 1318 flow. Second operand 6 states and 1224 transitions. [2024-11-09 06:52:19,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 477 transitions, 2626 flow [2024-11-09 06:52:19,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 477 transitions, 2608 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-09 06:52:19,102 INFO L231 Difference]: Finished difference. Result has 258 places, 468 transitions, 2666 flow [2024-11-09 06:52:19,102 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=1300, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2666, PETRI_PLACES=258, PETRI_TRANSITIONS=468} [2024-11-09 06:52:19,103 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 15 predicate places. [2024-11-09 06:52:19,103 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 468 transitions, 2666 flow [2024-11-09 06:52:19,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 187.33333333333334) internal successors, (1124), 6 states have internal predecessors, (1124), 0 states have call successors, (0), 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 06:52:19,104 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:19,104 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] [2024-11-09 06:52:19,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:52:19,109 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:52:19,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:19,110 INFO L85 PathProgramCache]: Analyzing trace with hash -365900599, now seen corresponding path program 1 times [2024-11-09 06:52:19,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:19,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936392306] [2024-11-09 06:52:19,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:19,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:19,607 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 06:52:19,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:19,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936392306] [2024-11-09 06:52:19,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936392306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:19,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:19,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:52:19,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446092159] [2024-11-09 06:52:19,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:19,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:52:19,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:19,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:52:19,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:52:19,890 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 240 [2024-11-09 06:52:19,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 468 transitions, 2666 flow. Second operand has 6 states, 6 states have (on average 182.16666666666666) internal successors, (1093), 6 states have internal predecessors, (1093), 0 states have call successors, (0), 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 06:52:19,892 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:19,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 240 [2024-11-09 06:52:19,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:20,366 INFO L124 PetriNetUnfolderBase]: 968/3386 cut-off events. [2024-11-09 06:52:20,366 INFO L125 PetriNetUnfolderBase]: For 3817/3888 co-relation queries the response was YES. [2024-11-09 06:52:20,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9627 conditions, 3386 events. 968/3386 cut-off events. For 3817/3888 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 24388 event pairs, 207 based on Foata normal form. 0/3298 useless extension candidates. Maximal degree in co-relation 9545. Up to 1565 conditions per place. [2024-11-09 06:52:20,384 INFO L140 encePairwiseOnDemand]: 225/240 looper letters, 239 selfloop transitions, 62 changer transitions 0/525 dead transitions. [2024-11-09 06:52:20,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 525 transitions, 3610 flow [2024-11-09 06:52:20,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:52:20,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:52:20,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1166 transitions. [2024-11-09 06:52:20,387 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8097222222222222 [2024-11-09 06:52:20,387 INFO L175 Difference]: Start difference. First operand has 258 places, 468 transitions, 2666 flow. Second operand 6 states and 1166 transitions. [2024-11-09 06:52:20,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 525 transitions, 3610 flow [2024-11-09 06:52:20,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 525 transitions, 3574 flow, removed 18 selfloop flow, removed 0 redundant places. [2024-11-09 06:52:20,408 INFO L231 Difference]: Finished difference. Result has 268 places, 517 transitions, 3256 flow [2024-11-09 06:52:20,409 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=2630, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3256, PETRI_PLACES=268, PETRI_TRANSITIONS=517} [2024-11-09 06:52:20,409 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 25 predicate places. [2024-11-09 06:52:20,409 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 517 transitions, 3256 flow [2024-11-09 06:52:20,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.16666666666666) internal successors, (1093), 6 states have internal predecessors, (1093), 0 states have call successors, (0), 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 06:52:20,411 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:20,411 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] [2024-11-09 06:52:20,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 06:52:20,411 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:52:20,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:20,411 INFO L85 PathProgramCache]: Analyzing trace with hash 33238092, now seen corresponding path program 1 times [2024-11-09 06:52:20,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:20,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718531524] [2024-11-09 06:52:20,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:20,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:21,150 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 06:52:21,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:21,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718531524] [2024-11-09 06:52:21,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718531524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:21,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:21,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:52:21,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059198036] [2024-11-09 06:52:21,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:21,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:21,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:21,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:21,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:22,572 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-09 06:52:22,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 517 transitions, 3256 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 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 06:52:22,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:22,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-09 06:52:22,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:24,185 INFO L124 PetriNetUnfolderBase]: 1524/5131 cut-off events. [2024-11-09 06:52:24,185 INFO L125 PetriNetUnfolderBase]: For 8793/8894 co-relation queries the response was YES. [2024-11-09 06:52:24,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16430 conditions, 5131 events. 1524/5131 cut-off events. For 8793/8894 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 41536 event pairs, 111 based on Foata normal form. 47/5076 useless extension candidates. Maximal degree in co-relation 16338. Up to 1002 conditions per place. [2024-11-09 06:52:24,241 INFO L140 encePairwiseOnDemand]: 211/240 looper letters, 478 selfloop transitions, 172 changer transitions 0/843 dead transitions. [2024-11-09 06:52:24,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 843 transitions, 7206 flow [2024-11-09 06:52:24,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 06:52:24,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-09 06:52:24,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3314 transitions. [2024-11-09 06:52:24,247 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7267543859649123 [2024-11-09 06:52:24,247 INFO L175 Difference]: Start difference. First operand has 268 places, 517 transitions, 3256 flow. Second operand 19 states and 3314 transitions. [2024-11-09 06:52:24,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 843 transitions, 7206 flow [2024-11-09 06:52:24,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 843 transitions, 7024 flow, removed 91 selfloop flow, removed 0 redundant places. [2024-11-09 06:52:24,304 INFO L231 Difference]: Finished difference. Result has 295 places, 640 transitions, 4992 flow [2024-11-09 06:52:24,305 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=3144, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4992, PETRI_PLACES=295, PETRI_TRANSITIONS=640} [2024-11-09 06:52:24,305 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 52 predicate places. [2024-11-09 06:52:24,305 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 640 transitions, 4992 flow [2024-11-09 06:52:24,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 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 06:52:24,306 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:24,306 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] [2024-11-09 06:52:24,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 06:52:24,307 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:52:24,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:24,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1740036200, now seen corresponding path program 2 times [2024-11-09 06:52:24,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:24,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900383976] [2024-11-09 06:52:24,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:24,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:24,967 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 06:52:24,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:24,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900383976] [2024-11-09 06:52:24,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900383976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:24,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:24,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:52:24,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030004852] [2024-11-09 06:52:24,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:24,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:24,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:24,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:24,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:25,900 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-09 06:52:25,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 640 transitions, 4992 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 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 06:52:25,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:25,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-09 06:52:25,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:27,436 INFO L124 PetriNetUnfolderBase]: 2138/7193 cut-off events. [2024-11-09 06:52:27,436 INFO L125 PetriNetUnfolderBase]: For 17382/17602 co-relation queries the response was YES. [2024-11-09 06:52:27,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24652 conditions, 7193 events. 2138/7193 cut-off events. For 17382/17602 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 65467 event pairs, 198 based on Foata normal form. 57/7126 useless extension candidates. Maximal degree in co-relation 24547. Up to 2162 conditions per place. [2024-11-09 06:52:27,489 INFO L140 encePairwiseOnDemand]: 207/240 looper letters, 458 selfloop transitions, 189 changer transitions 1/841 dead transitions. [2024-11-09 06:52:27,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 841 transitions, 8174 flow [2024-11-09 06:52:27,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 06:52:27,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-09 06:52:27,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2614 transitions. [2024-11-09 06:52:27,500 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7261111111111112 [2024-11-09 06:52:27,500 INFO L175 Difference]: Start difference. First operand has 295 places, 640 transitions, 4992 flow. Second operand 15 states and 2614 transitions. [2024-11-09 06:52:27,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 841 transitions, 8174 flow [2024-11-09 06:52:27,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 841 transitions, 8119 flow, removed 14 selfloop flow, removed 5 redundant places. [2024-11-09 06:52:27,607 INFO L231 Difference]: Finished difference. Result has 314 places, 736 transitions, 7002 flow [2024-11-09 06:52:27,608 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=4951, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=640, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7002, PETRI_PLACES=314, PETRI_TRANSITIONS=736} [2024-11-09 06:52:27,609 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 71 predicate places. [2024-11-09 06:52:27,609 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 736 transitions, 7002 flow [2024-11-09 06:52:27,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 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 06:52:27,610 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:27,610 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] [2024-11-09 06:52:27,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 06:52:27,610 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:52:27,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:27,611 INFO L85 PathProgramCache]: Analyzing trace with hash 2011476306, now seen corresponding path program 3 times [2024-11-09 06:52:27,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:27,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589392767] [2024-11-09 06:52:27,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:27,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:28,364 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 06:52:28,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:28,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589392767] [2024-11-09 06:52:28,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589392767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:28,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:28,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:52:28,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902681235] [2024-11-09 06:52:28,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:28,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:28,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:28,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:28,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:29,620 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-09 06:52:29,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 736 transitions, 7002 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 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 06:52:29,622 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:29,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-09 06:52:29,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:32,403 INFO L124 PetriNetUnfolderBase]: 3213/10760 cut-off events. [2024-11-09 06:52:32,404 INFO L125 PetriNetUnfolderBase]: For 35505/35856 co-relation queries the response was YES. [2024-11-09 06:52:32,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38860 conditions, 10760 events. 3213/10760 cut-off events. For 35505/35856 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 108684 event pairs, 300 based on Foata normal form. 116/10688 useless extension candidates. Maximal degree in co-relation 38744. Up to 2268 conditions per place. [2024-11-09 06:52:32,482 INFO L140 encePairwiseOnDemand]: 205/240 looper letters, 525 selfloop transitions, 374 changer transitions 2/1094 dead transitions. [2024-11-09 06:52:32,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 1094 transitions, 12605 flow [2024-11-09 06:52:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 06:52:32,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-09 06:52:32,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3353 transitions. [2024-11-09 06:52:32,488 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7353070175438596 [2024-11-09 06:52:32,488 INFO L175 Difference]: Start difference. First operand has 314 places, 736 transitions, 7002 flow. Second operand 19 states and 3353 transitions. [2024-11-09 06:52:32,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 1094 transitions, 12605 flow [2024-11-09 06:52:32,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 1094 transitions, 12570 flow, removed 15 selfloop flow, removed 3 redundant places. [2024-11-09 06:52:32,648 INFO L231 Difference]: Finished difference. Result has 344 places, 884 transitions, 10755 flow [2024-11-09 06:52:32,649 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=6971, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=736, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=237, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=10755, PETRI_PLACES=344, PETRI_TRANSITIONS=884} [2024-11-09 06:52:32,650 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 101 predicate places. [2024-11-09 06:52:32,651 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 884 transitions, 10755 flow [2024-11-09 06:52:32,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 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 06:52:32,652 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:32,652 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] [2024-11-09 06:52:32,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 06:52:32,653 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:52:32,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:32,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1782067446, now seen corresponding path program 4 times [2024-11-09 06:52:32,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:32,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704628303] [2024-11-09 06:52:32,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:32,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:33,404 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 06:52:33,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:33,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704628303] [2024-11-09 06:52:33,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704628303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:33,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:33,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:52:33,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104795545] [2024-11-09 06:52:33,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:33,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:33,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:33,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:33,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:34,302 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-09 06:52:34,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 884 transitions, 10755 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 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 06:52:34,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:34,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-09 06:52:34,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:37,188 INFO L124 PetriNetUnfolderBase]: 3264/10890 cut-off events. [2024-11-09 06:52:37,188 INFO L125 PetriNetUnfolderBase]: For 53230/53665 co-relation queries the response was YES. [2024-11-09 06:52:37,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42543 conditions, 10890 events. 3264/10890 cut-off events. For 53230/53665 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 109680 event pairs, 285 based on Foata normal form. 133/10851 useless extension candidates. Maximal degree in co-relation 42411. Up to 2156 conditions per place. [2024-11-09 06:52:37,295 INFO L140 encePairwiseOnDemand]: 219/240 looper letters, 670 selfloop transitions, 215 changer transitions 0/1078 dead transitions. [2024-11-09 06:52:37,295 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 1078 transitions, 14449 flow [2024-11-09 06:52:37,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 06:52:37,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-09 06:52:37,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3289 transitions. [2024-11-09 06:52:37,300 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7212719298245615 [2024-11-09 06:52:37,301 INFO L175 Difference]: Start difference. First operand has 344 places, 884 transitions, 10755 flow. Second operand 19 states and 3289 transitions. [2024-11-09 06:52:37,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 1078 transitions, 14449 flow [2024-11-09 06:52:37,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 1078 transitions, 14358 flow, removed 43 selfloop flow, removed 3 redundant places. [2024-11-09 06:52:37,573 INFO L231 Difference]: Finished difference. Result has 368 places, 945 transitions, 12283 flow [2024-11-09 06:52:37,574 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=10664, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=884, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=154, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=688, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=12283, PETRI_PLACES=368, PETRI_TRANSITIONS=945} [2024-11-09 06:52:37,574 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 125 predicate places. [2024-11-09 06:52:37,574 INFO L471 AbstractCegarLoop]: Abstraction has has 368 places, 945 transitions, 12283 flow [2024-11-09 06:52:37,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 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 06:52:37,575 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:37,575 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] [2024-11-09 06:52:37,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 06:52:37,575 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:52:37,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:37,576 INFO L85 PathProgramCache]: Analyzing trace with hash 225848600, now seen corresponding path program 5 times [2024-11-09 06:52:37,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:37,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586088780] [2024-11-09 06:52:37,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:37,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:38,273 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 06:52:38,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:38,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586088780] [2024-11-09 06:52:38,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586088780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:38,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:38,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:52:38,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800221847] [2024-11-09 06:52:38,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:38,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:38,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:38,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:38,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:39,403 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-09 06:52:39,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 945 transitions, 12283 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 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 06:52:39,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:39,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-09 06:52:39,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:43,539 INFO L124 PetriNetUnfolderBase]: 4447/14652 cut-off events. [2024-11-09 06:52:43,539 INFO L125 PetriNetUnfolderBase]: For 82538/83171 co-relation queries the response was YES. [2024-11-09 06:52:43,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58255 conditions, 14652 events. 4447/14652 cut-off events. For 82538/83171 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 158568 event pairs, 382 based on Foata normal form. 176/14574 useless extension candidates. Maximal degree in co-relation 58113. Up to 3117 conditions per place. [2024-11-09 06:52:43,674 INFO L140 encePairwiseOnDemand]: 207/240 looper letters, 639 selfloop transitions, 413 changer transitions 3/1248 dead transitions. [2024-11-09 06:52:43,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 1248 transitions, 18249 flow [2024-11-09 06:52:43,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 06:52:43,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-09 06:52:43,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3528 transitions. [2024-11-09 06:52:43,678 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.735 [2024-11-09 06:52:43,679 INFO L175 Difference]: Start difference. First operand has 368 places, 945 transitions, 12283 flow. Second operand 20 states and 3528 transitions. [2024-11-09 06:52:43,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 1248 transitions, 18249 flow [2024-11-09 06:52:44,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 1248 transitions, 18068 flow, removed 66 selfloop flow, removed 9 redundant places. [2024-11-09 06:52:44,104 INFO L231 Difference]: Finished difference. Result has 389 places, 1060 transitions, 16157 flow [2024-11-09 06:52:44,105 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=12108, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=945, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=298, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=16157, PETRI_PLACES=389, PETRI_TRANSITIONS=1060} [2024-11-09 06:52:44,105 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 146 predicate places. [2024-11-09 06:52:44,105 INFO L471 AbstractCegarLoop]: Abstraction has has 389 places, 1060 transitions, 16157 flow [2024-11-09 06:52:44,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 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 06:52:44,106 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:44,106 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] [2024-11-09 06:52:44,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 06:52:44,106 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:52:44,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:44,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1938151713, now seen corresponding path program 1 times [2024-11-09 06:52:44,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:44,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224566] [2024-11-09 06:52:44,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:44,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:44,935 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 06:52:44,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:44,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224566] [2024-11-09 06:52:44,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:44,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:44,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:52:44,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191596579] [2024-11-09 06:52:44,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:44,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:44,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:44,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:44,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:46,354 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 240 [2024-11-09 06:52:46,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 1060 transitions, 16157 flow. Second operand has 13 states, 13 states have (on average 168.69230769230768) internal successors, (2193), 13 states have internal predecessors, (2193), 0 states have call successors, (0), 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 06:52:46,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:46,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 240 [2024-11-09 06:52:46,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:51,157 INFO L124 PetriNetUnfolderBase]: 5309/16661 cut-off events. [2024-11-09 06:52:51,157 INFO L125 PetriNetUnfolderBase]: For 101663/102170 co-relation queries the response was YES. [2024-11-09 06:52:51,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69922 conditions, 16661 events. 5309/16661 cut-off events. For 101663/102170 co-relation queries the response was YES. Maximal size of possible extension queue 548. Compared 179044 event pairs, 824 based on Foata normal form. 102/16497 useless extension candidates. Maximal degree in co-relation 69769. Up to 3950 conditions per place. [2024-11-09 06:52:51,411 INFO L140 encePairwiseOnDemand]: 219/240 looper letters, 580 selfloop transitions, 241 changer transitions 0/1214 dead transitions. [2024-11-09 06:52:51,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 1214 transitions, 19689 flow [2024-11-09 06:52:51,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:51,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:51,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2325 transitions. [2024-11-09 06:52:51,421 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7451923076923077 [2024-11-09 06:52:51,422 INFO L175 Difference]: Start difference. First operand has 389 places, 1060 transitions, 16157 flow. Second operand 13 states and 2325 transitions. [2024-11-09 06:52:51,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 1214 transitions, 19689 flow [2024-11-09 06:52:52,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 1214 transitions, 19620 flow, removed 23 selfloop flow, removed 7 redundant places. [2024-11-09 06:52:52,349 INFO L231 Difference]: Finished difference. Result has 399 places, 1078 transitions, 17259 flow [2024-11-09 06:52:52,350 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=16112, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1060, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=223, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=822, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=17259, PETRI_PLACES=399, PETRI_TRANSITIONS=1078} [2024-11-09 06:52:52,350 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 156 predicate places. [2024-11-09 06:52:52,351 INFO L471 AbstractCegarLoop]: Abstraction has has 399 places, 1078 transitions, 17259 flow [2024-11-09 06:52:52,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 168.69230769230768) internal successors, (2193), 13 states have internal predecessors, (2193), 0 states have call successors, (0), 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 06:52:52,352 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:52,356 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] [2024-11-09 06:52:52,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 06:52:52,356 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:52:52,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:52,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1493437770, now seen corresponding path program 6 times [2024-11-09 06:52:52,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:52,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342514481] [2024-11-09 06:52:52,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:52,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:53,424 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 06:52:53,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:53,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342514481] [2024-11-09 06:52:53,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342514481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:53,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:53,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:52:53,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886888482] [2024-11-09 06:52:53,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:53,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:53,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:53,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:53,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:54,576 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-09 06:52:54,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 1078 transitions, 17259 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 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 06:52:54,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:54,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-09 06:52:54,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:59,726 INFO L124 PetriNetUnfolderBase]: 5021/16520 cut-off events. [2024-11-09 06:52:59,727 INFO L125 PetriNetUnfolderBase]: For 131274/132301 co-relation queries the response was YES. [2024-11-09 06:52:59,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73367 conditions, 16520 events. 5021/16520 cut-off events. For 131274/132301 co-relation queries the response was YES. Maximal size of possible extension queue 571. Compared 183994 event pairs, 400 based on Foata normal form. 317/16572 useless extension candidates. Maximal degree in co-relation 73209. Up to 3311 conditions per place. [2024-11-09 06:52:59,924 INFO L140 encePairwiseOnDemand]: 207/240 looper letters, 706 selfloop transitions, 440 changer transitions 3/1348 dead transitions. [2024-11-09 06:52:59,924 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 1348 transitions, 23490 flow [2024-11-09 06:52:59,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 06:52:59,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-09 06:52:59,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3696 transitions. [2024-11-09 06:52:59,934 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2024-11-09 06:52:59,934 INFO L175 Difference]: Start difference. First operand has 399 places, 1078 transitions, 17259 flow. Second operand 21 states and 3696 transitions. [2024-11-09 06:52:59,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 1348 transitions, 23490 flow [2024-11-09 06:53:00,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 1348 transitions, 23298 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-11-09 06:53:00,699 INFO L231 Difference]: Finished difference. Result has 419 places, 1158 transitions, 21034 flow [2024-11-09 06:53:00,700 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=17108, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1078, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=366, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=646, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=21034, PETRI_PLACES=419, PETRI_TRANSITIONS=1158} [2024-11-09 06:53:00,701 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 176 predicate places. [2024-11-09 06:53:00,701 INFO L471 AbstractCegarLoop]: Abstraction has has 419 places, 1158 transitions, 21034 flow [2024-11-09 06:53:00,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 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 06:53:00,702 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:00,702 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] [2024-11-09 06:53:00,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 06:53:00,702 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:53:00,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:00,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1877225190, now seen corresponding path program 7 times [2024-11-09 06:53:00,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:00,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781370374] [2024-11-09 06:53:00,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:00,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:01,447 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 06:53:01,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:01,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781370374] [2024-11-09 06:53:01,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781370374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:01,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:01,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:53:01,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061339064] [2024-11-09 06:53:01,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:01,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:53:01,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:01,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:53:01,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:53:02,648 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-09 06:53:02,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 1158 transitions, 21034 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 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 06:53:02,650 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:02,650 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-09 06:53:02,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:08,220 INFO L124 PetriNetUnfolderBase]: 5383/17748 cut-off events. [2024-11-09 06:53:08,221 INFO L125 PetriNetUnfolderBase]: For 173637/174671 co-relation queries the response was YES. [2024-11-09 06:53:08,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81960 conditions, 17748 events. 5383/17748 cut-off events. For 173637/174671 co-relation queries the response was YES. Maximal size of possible extension queue 618. Compared 201050 event pairs, 416 based on Foata normal form. 351/17810 useless extension candidates. Maximal degree in co-relation 81795. Up to 3564 conditions per place. [2024-11-09 06:53:08,422 INFO L140 encePairwiseOnDemand]: 211/240 looper letters, 672 selfloop transitions, 566 changer transitions 0/1437 dead transitions. [2024-11-09 06:53:08,422 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 1437 transitions, 27948 flow [2024-11-09 06:53:08,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 06:53:08,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-09 06:53:08,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3315 transitions. [2024-11-09 06:53:08,425 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7269736842105263 [2024-11-09 06:53:08,425 INFO L175 Difference]: Start difference. First operand has 419 places, 1158 transitions, 21034 flow. Second operand 19 states and 3315 transitions. [2024-11-09 06:53:08,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 1437 transitions, 27948 flow [2024-11-09 06:53:09,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 1437 transitions, 27879 flow, removed 7 selfloop flow, removed 12 redundant places. [2024-11-09 06:53:09,246 INFO L231 Difference]: Finished difference. Result has 433 places, 1252 transitions, 25264 flow [2024-11-09 06:53:09,247 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=20965, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=474, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=599, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=25264, PETRI_PLACES=433, PETRI_TRANSITIONS=1252} [2024-11-09 06:53:09,247 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 190 predicate places. [2024-11-09 06:53:09,247 INFO L471 AbstractCegarLoop]: Abstraction has has 433 places, 1252 transitions, 25264 flow [2024-11-09 06:53:09,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 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 06:53:09,248 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:09,248 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] [2024-11-09 06:53:09,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 06:53:09,248 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:53:09,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:09,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1469722600, now seen corresponding path program 8 times [2024-11-09 06:53:09,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:09,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295718813] [2024-11-09 06:53:09,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:09,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:10,360 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 06:53:10,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:10,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295718813] [2024-11-09 06:53:10,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295718813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:10,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:10,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:53:10,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224243900] [2024-11-09 06:53:10,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:10,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:53:10,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:10,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:53:10,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:53:11,742 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-09 06:53:11,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 1252 transitions, 25264 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 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 06:53:11,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:11,744 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-09 06:53:11,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:18,523 INFO L124 PetriNetUnfolderBase]: 6105/20087 cut-off events. [2024-11-09 06:53:18,523 INFO L125 PetriNetUnfolderBase]: For 232809/233998 co-relation queries the response was YES. [2024-11-09 06:53:18,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96607 conditions, 20087 events. 6105/20087 cut-off events. For 232809/233998 co-relation queries the response was YES. Maximal size of possible extension queue 715. Compared 233722 event pairs, 557 based on Foata normal form. 399/20154 useless extension candidates. Maximal degree in co-relation 96434. Up to 4014 conditions per place. [2024-11-09 06:53:18,890 INFO L140 encePairwiseOnDemand]: 208/240 looper letters, 831 selfloop transitions, 556 changer transitions 2/1588 dead transitions. [2024-11-09 06:53:18,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 1588 transitions, 33710 flow [2024-11-09 06:53:18,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 06:53:18,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-09 06:53:18,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3686 transitions. [2024-11-09 06:53:18,894 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7313492063492063 [2024-11-09 06:53:18,894 INFO L175 Difference]: Start difference. First operand has 433 places, 1252 transitions, 25264 flow. Second operand 21 states and 3686 transitions. [2024-11-09 06:53:18,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 1588 transitions, 33710 flow [2024-11-09 06:53:20,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 1588 transitions, 33541 flow, removed 60 selfloop flow, removed 9 redundant places. [2024-11-09 06:53:20,312 INFO L231 Difference]: Finished difference. Result has 453 places, 1365 transitions, 30656 flow [2024-11-09 06:53:20,316 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=25095, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=450, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=30656, PETRI_PLACES=453, PETRI_TRANSITIONS=1365} [2024-11-09 06:53:20,316 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 210 predicate places. [2024-11-09 06:53:20,317 INFO L471 AbstractCegarLoop]: Abstraction has has 453 places, 1365 transitions, 30656 flow [2024-11-09 06:53:20,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 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 06:53:20,318 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:20,318 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] [2024-11-09 06:53:20,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 06:53:20,318 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:53:20,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:20,319 INFO L85 PathProgramCache]: Analyzing trace with hash -508116584, now seen corresponding path program 9 times [2024-11-09 06:53:20,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:20,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036590920] [2024-11-09 06:53:20,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:20,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:20,910 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 06:53:20,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:20,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036590920] [2024-11-09 06:53:20,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036590920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:20,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:20,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:53:20,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735937513] [2024-11-09 06:53:20,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:20,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:53:20,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:20,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:53:20,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:53:21,954 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-09 06:53:21,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 1365 transitions, 30656 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 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 06:53:21,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:21,960 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-09 06:53:21,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:29,015 INFO L124 PetriNetUnfolderBase]: 6435/21114 cut-off events. [2024-11-09 06:53:29,015 INFO L125 PetriNetUnfolderBase]: For 293357/294753 co-relation queries the response was YES. [2024-11-09 06:53:29,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105752 conditions, 21114 events. 6435/21114 cut-off events. For 293357/294753 co-relation queries the response was YES. Maximal size of possible extension queue 756. Compared 248532 event pairs, 435 based on Foata normal form. 456/21234 useless extension candidates. Maximal degree in co-relation 105570. Up to 4246 conditions per place. [2024-11-09 06:53:29,361 INFO L140 encePairwiseOnDemand]: 211/240 looper letters, 686 selfloop transitions, 691 changer transitions 0/1576 dead transitions. [2024-11-09 06:53:29,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 1576 transitions, 37288 flow [2024-11-09 06:53:29,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 06:53:29,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-09 06:53:29,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3139 transitions. [2024-11-09 06:53:29,364 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7266203703703704 [2024-11-09 06:53:29,364 INFO L175 Difference]: Start difference. First operand has 453 places, 1365 transitions, 30656 flow. Second operand 18 states and 3139 transitions. [2024-11-09 06:53:29,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 1576 transitions, 37288 flow [2024-11-09 06:53:31,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 1576 transitions, 37043 flow, removed 90 selfloop flow, removed 11 redundant places. [2024-11-09 06:53:31,205 INFO L231 Difference]: Finished difference. Result has 466 places, 1434 transitions, 35525 flow [2024-11-09 06:53:31,206 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=30411, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=622, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=678, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=35525, PETRI_PLACES=466, PETRI_TRANSITIONS=1434} [2024-11-09 06:53:31,207 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 223 predicate places. [2024-11-09 06:53:31,208 INFO L471 AbstractCegarLoop]: Abstraction has has 466 places, 1434 transitions, 35525 flow [2024-11-09 06:53:31,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 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 06:53:31,213 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:31,213 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] [2024-11-09 06:53:31,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 06:53:31,213 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-09 06:53:31,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:31,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1293152700, now seen corresponding path program 10 times [2024-11-09 06:53:31,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:31,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830968634] [2024-11-09 06:53:31,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:31,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:31,787 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 06:53:31,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:31,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830968634] [2024-11-09 06:53:31,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830968634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:31,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:31,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:53:31,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434110874] [2024-11-09 06:53:31,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:31,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:53:31,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:31,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:53:31,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:53:33,034 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-09 06:53:33,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 1434 transitions, 35525 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 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 06:53:33,036 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:33,036 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-09 06:53:33,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand