./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc 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/06-symbeq_15-list_entry_nr.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 a7843ed292ba7ad810f8623eae57d1bf23212a957c35d700b564dc03a7df5581 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:49:24,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:49:24,841 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:49:24,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:49:24,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:49:24,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:49:24,875 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:49:24,875 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:49:24,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:49:24,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:49:24,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:49:24,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:49:24,878 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:49:24,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:49:24,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:49:24,880 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:49:24,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:49:24,880 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:49:24,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:49:24,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:49:24,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:49:24,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:49:24,884 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:49:24,885 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:49:24,885 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:49:24,885 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:49:24,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:49:24,885 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:49:24,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:49:24,886 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:49:24,886 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:49:24,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:49:24,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:49:24,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:49:24,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:49:24,887 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:49:24,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:49:24,887 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:49:24,888 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:49:24,888 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:49:24,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:49:24,890 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7843ed292ba7ad810f8623eae57d1bf23212a957c35d700b564dc03a7df5581 [2024-11-19 05:49:25,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:49:25,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:49:25,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:49:25,113 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:49:25,113 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:49:25,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2024-11-19 05:49:26,501 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:49:26,834 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:49:26,834 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2024-11-19 05:49:26,859 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1a548d1c/8ddbea64dc3d422eb96c8c54b729ec04/FLAGe1bf10380 [2024-11-19 05:49:27,080 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1a548d1c/8ddbea64dc3d422eb96c8c54b729ec04 [2024-11-19 05:49:27,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:49:27,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:49:27,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:49:27,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:49:27,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:49:27,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:49:27" (1/1) ... [2024-11-19 05:49:27,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63ec56f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:27, skipping insertion in model container [2024-11-19 05:49:27,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:49:27" (1/1) ... [2024-11-19 05:49:27,141 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:49:27,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:49:27,787 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:49:27,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:49:27,885 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:49:27,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:27 WrapperNode [2024-11-19 05:49:27,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:49:27,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:49:27,887 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:49:27,887 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:49:27,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:27" (1/1) ... [2024-11-19 05:49:27,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:27" (1/1) ... [2024-11-19 05:49:27,928 INFO L138 Inliner]: procedures = 186, calls = 12, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2024-11-19 05:49:27,928 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:49:27,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:49:27,929 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:49:27,929 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:49:27,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:27" (1/1) ... [2024-11-19 05:49:27,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:27" (1/1) ... [2024-11-19 05:49:27,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:27" (1/1) ... [2024-11-19 05:49:27,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:27" (1/1) ... [2024-11-19 05:49:27,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:27" (1/1) ... [2024-11-19 05:49:27,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:27" (1/1) ... [2024-11-19 05:49:27,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:27" (1/1) ... [2024-11-19 05:49:27,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:27" (1/1) ... [2024-11-19 05:49:27,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:49:27,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:49:27,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:49:27,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:49:27,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:27" (1/1) ... [2024-11-19 05:49:27,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:49:27,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:49:27,980 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) [2024-11-19 05:49:27,986 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 [2024-11-19 05:49:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:49:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:49:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 05:49:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 05:49:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-19 05:49:28,027 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-19 05:49:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 05:49:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:49:28,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:49:28,028 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:49:28,143 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:49:28,145 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:49:28,307 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:49:28,307 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:49:28,344 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:49:28,348 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 05:49:28,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:49:28 BoogieIcfgContainer [2024-11-19 05:49:28,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:49:28,350 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:49:28,350 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:49:28,355 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:49:28,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:49:27" (1/3) ... [2024-11-19 05:49:28,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bdbf716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:49:28, skipping insertion in model container [2024-11-19 05:49:28,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:27" (2/3) ... [2024-11-19 05:49:28,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bdbf716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:49:28, skipping insertion in model container [2024-11-19 05:49:28,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:49:28" (3/3) ... [2024-11-19 05:49:28,357 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_15-list_entry_nr.i [2024-11-19 05:49:28,371 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:49:28,371 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2024-11-19 05:49:28,371 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:49:28,420 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:49:28,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 111 transitions, 226 flow [2024-11-19 05:49:28,496 INFO L124 PetriNetUnfolderBase]: 0/110 cut-off events. [2024-11-19 05:49:28,496 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:49:28,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 110 events. 0/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-19 05:49:28,500 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 111 transitions, 226 flow [2024-11-19 05:49:28,504 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 114 places, 110 transitions, 223 flow [2024-11-19 05:49:28,510 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:49:28,517 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;@5c2cd796, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:49:28,517 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-11-19 05:49:28,523 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:49:28,523 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-11-19 05:49:28,524 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:49:28,524 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:28,524 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:49:28,525 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:28,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:28,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1145957465, now seen corresponding path program 1 times [2024-11-19 05:49:28,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:28,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36865454] [2024-11-19 05:49:28,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:28,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:28,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:28,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:28,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36865454] [2024-11-19 05:49:28,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36865454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:28,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:28,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:49:28,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761246865] [2024-11-19 05:49:28,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:28,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:49:28,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:28,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:49:28,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:49:28,833 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 111 [2024-11-19 05:49:28,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 110 transitions, 223 flow. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:28,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:28,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 111 [2024-11-19 05:49:28,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:28,924 INFO L124 PetriNetUnfolderBase]: 12/257 cut-off events. [2024-11-19 05:49:28,925 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:49:28,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 257 events. 12/257 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 709 event pairs, 12 based on Foata normal form. 0/232 useless extension candidates. Maximal degree in co-relation 252. Up to 37 conditions per place. [2024-11-19 05:49:28,931 INFO L140 encePairwiseOnDemand]: 108/111 looper letters, 12 selfloop transitions, 2 changer transitions 0/109 dead transitions. [2024-11-19 05:49:28,931 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 109 transitions, 249 flow [2024-11-19 05:49:28,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:49:28,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:49:28,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2024-11-19 05:49:28,944 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9099099099099099 [2024-11-19 05:49:28,946 INFO L175 Difference]: Start difference. First operand has 114 places, 110 transitions, 223 flow. Second operand 3 states and 303 transitions. [2024-11-19 05:49:28,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 109 transitions, 249 flow [2024-11-19 05:49:28,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 109 transitions, 248 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:49:28,952 INFO L231 Difference]: Finished difference. Result has 114 places, 109 transitions, 224 flow [2024-11-19 05:49:28,954 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=114, PETRI_TRANSITIONS=109} [2024-11-19 05:49:28,957 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 0 predicate places. [2024-11-19 05:49:28,958 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 109 transitions, 224 flow [2024-11-19 05:49:28,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:28,959 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:28,959 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:49:28,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:49:28,959 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:28,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:28,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1477363984, now seen corresponding path program 1 times [2024-11-19 05:49:28,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:28,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130745654] [2024-11-19 05:49:28,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:28,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:29,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:29,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:29,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130745654] [2024-11-19 05:49:29,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130745654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:29,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:29,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:49:29,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218391243] [2024-11-19 05:49:29,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:29,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:49:29,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:29,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:49:29,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:49:29,053 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 111 [2024-11-19 05:49:29,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 109 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:29,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:29,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 111 [2024-11-19 05:49:29,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:29,127 INFO L124 PetriNetUnfolderBase]: 16/291 cut-off events. [2024-11-19 05:49:29,127 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:49:29,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 291 events. 16/291 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1012 event pairs, 16 based on Foata normal form. 0/272 useless extension candidates. Maximal degree in co-relation 323. Up to 43 conditions per place. [2024-11-19 05:49:29,129 INFO L140 encePairwiseOnDemand]: 107/111 looper letters, 11 selfloop transitions, 1 changer transitions 0/106 dead transitions. [2024-11-19 05:49:29,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 106 transitions, 242 flow [2024-11-19 05:49:29,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:49:29,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:49:29,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2024-11-19 05:49:29,132 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9099099099099099 [2024-11-19 05:49:29,132 INFO L175 Difference]: Start difference. First operand has 114 places, 109 transitions, 224 flow. Second operand 3 states and 303 transitions. [2024-11-19 05:49:29,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 106 transitions, 242 flow [2024-11-19 05:49:29,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 106 transitions, 238 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:49:29,134 INFO L231 Difference]: Finished difference. Result has 111 places, 106 transitions, 216 flow [2024-11-19 05:49:29,134 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=111, PETRI_TRANSITIONS=106} [2024-11-19 05:49:29,135 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, -3 predicate places. [2024-11-19 05:49:29,135 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 106 transitions, 216 flow [2024-11-19 05:49:29,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:29,136 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:29,136 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] [2024-11-19 05:49:29,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:49:29,136 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:29,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:29,137 INFO L85 PathProgramCache]: Analyzing trace with hash 227862726, now seen corresponding path program 1 times [2024-11-19 05:49:29,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:29,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065916188] [2024-11-19 05:49:29,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:29,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:29,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:29,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:29,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065916188] [2024-11-19 05:49:29,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065916188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:29,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:29,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:29,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054985988] [2024-11-19 05:49:29,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:29,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:29,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:29,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:29,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:29,902 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 111 [2024-11-19 05:49:29,903 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 106 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 80.33333333333333) internal successors, (482), 6 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:29,903 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:29,903 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 111 [2024-11-19 05:49:29,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:30,054 INFO L124 PetriNetUnfolderBase]: 100/544 cut-off events. [2024-11-19 05:49:30,058 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:49:30,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 781 conditions, 544 events. 100/544 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2874 event pairs, 100 based on Foata normal form. 0/505 useless extension candidates. Maximal degree in co-relation 763. Up to 227 conditions per place. [2024-11-19 05:49:30,069 INFO L140 encePairwiseOnDemand]: 105/111 looper letters, 26 selfloop transitions, 5 changer transitions 0/105 dead transitions. [2024-11-19 05:49:30,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 105 transitions, 276 flow [2024-11-19 05:49:30,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:49:30,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:49:30,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 506 transitions. [2024-11-19 05:49:30,077 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7597597597597597 [2024-11-19 05:49:30,077 INFO L175 Difference]: Start difference. First operand has 111 places, 106 transitions, 216 flow. Second operand 6 states and 506 transitions. [2024-11-19 05:49:30,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 105 transitions, 276 flow [2024-11-19 05:49:30,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 105 transitions, 275 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:49:30,081 INFO L231 Difference]: Finished difference. Result has 114 places, 105 transitions, 223 flow [2024-11-19 05:49:30,081 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=223, PETRI_PLACES=114, PETRI_TRANSITIONS=105} [2024-11-19 05:49:30,082 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 0 predicate places. [2024-11-19 05:49:30,082 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 105 transitions, 223 flow [2024-11-19 05:49:30,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.33333333333333) internal successors, (482), 6 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:30,083 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:30,083 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:49:30,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:49:30,084 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:30,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:30,085 INFO L85 PathProgramCache]: Analyzing trace with hash 452530334, now seen corresponding path program 1 times [2024-11-19 05:49:30,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:30,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270494413] [2024-11-19 05:49:30,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:30,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:30,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:30,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:30,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270494413] [2024-11-19 05:49:30,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270494413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:30,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:30,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:30,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308990366] [2024-11-19 05:49:30,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:30,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:30,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:30,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:30,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:30,601 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 111 [2024-11-19 05:49:30,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 105 transitions, 223 flow. Second operand has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:30,603 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:30,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 111 [2024-11-19 05:49:30,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:30,709 INFO L124 PetriNetUnfolderBase]: 114/573 cut-off events. [2024-11-19 05:49:30,709 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:49:30,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 844 conditions, 573 events. 114/573 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3160 event pairs, 61 based on Foata normal form. 0/541 useless extension candidates. Maximal degree in co-relation 826. Up to 211 conditions per place. [2024-11-19 05:49:30,713 INFO L140 encePairwiseOnDemand]: 100/111 looper letters, 34 selfloop transitions, 22 changer transitions 0/134 dead transitions. [2024-11-19 05:49:30,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 134 transitions, 393 flow [2024-11-19 05:49:30,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:49:30,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:49:30,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 561 transitions. [2024-11-19 05:49:30,718 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8423423423423423 [2024-11-19 05:49:30,718 INFO L175 Difference]: Start difference. First operand has 114 places, 105 transitions, 223 flow. Second operand 6 states and 561 transitions. [2024-11-19 05:49:30,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 134 transitions, 393 flow [2024-11-19 05:49:30,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 134 transitions, 383 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:49:30,723 INFO L231 Difference]: Finished difference. Result has 119 places, 126 transitions, 363 flow [2024-11-19 05:49:30,724 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=363, PETRI_PLACES=119, PETRI_TRANSITIONS=126} [2024-11-19 05:49:30,726 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 5 predicate places. [2024-11-19 05:49:30,727 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 126 transitions, 363 flow [2024-11-19 05:49:30,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:30,727 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:30,727 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] [2024-11-19 05:49:30,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:49:30,727 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:30,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:30,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1521815766, now seen corresponding path program 1 times [2024-11-19 05:49:30,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:30,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492278830] [2024-11-19 05:49:30,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:30,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:31,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:31,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:31,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492278830] [2024-11-19 05:49:31,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492278830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:31,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:31,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:31,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215165384] [2024-11-19 05:49:31,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:31,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:31,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:31,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:31,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:31,223 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 111 [2024-11-19 05:49:31,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 126 transitions, 363 flow. Second operand has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:31,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:31,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 111 [2024-11-19 05:49:31,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:31,433 INFO L124 PetriNetUnfolderBase]: 152/680 cut-off events. [2024-11-19 05:49:31,434 INFO L125 PetriNetUnfolderBase]: For 133/153 co-relation queries the response was YES. [2024-11-19 05:49:31,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1203 conditions, 680 events. 152/680 cut-off events. For 133/153 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 4006 event pairs, 61 based on Foata normal form. 5/655 useless extension candidates. Maximal degree in co-relation 1181. Up to 268 conditions per place. [2024-11-19 05:49:31,437 INFO L140 encePairwiseOnDemand]: 100/111 looper letters, 47 selfloop transitions, 26 changer transitions 0/155 dead transitions. [2024-11-19 05:49:31,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 155 transitions, 585 flow [2024-11-19 05:49:31,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:49:31,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:49:31,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 561 transitions. [2024-11-19 05:49:31,443 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8423423423423423 [2024-11-19 05:49:31,443 INFO L175 Difference]: Start difference. First operand has 119 places, 126 transitions, 363 flow. Second operand 6 states and 561 transitions. [2024-11-19 05:49:31,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 155 transitions, 585 flow [2024-11-19 05:49:31,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 155 transitions, 585 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:49:31,451 INFO L231 Difference]: Finished difference. Result has 129 places, 147 transitions, 547 flow [2024-11-19 05:49:31,455 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=547, PETRI_PLACES=129, PETRI_TRANSITIONS=147} [2024-11-19 05:49:31,456 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 15 predicate places. [2024-11-19 05:49:31,456 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 147 transitions, 547 flow [2024-11-19 05:49:31,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:31,457 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:31,457 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] [2024-11-19 05:49:31,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:49:31,457 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:31,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:31,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1875655331, now seen corresponding path program 1 times [2024-11-19 05:49:31,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:31,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535897861] [2024-11-19 05:49:31,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:31,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:31,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:31,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:31,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535897861] [2024-11-19 05:49:31,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535897861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:31,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:31,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:31,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882172865] [2024-11-19 05:49:31,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:31,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:31,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:31,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:31,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:31,806 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 111 [2024-11-19 05:49:31,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 147 transitions, 547 flow. Second operand has 6 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:31,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:31,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 111 [2024-11-19 05:49:31,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:31,960 INFO L124 PetriNetUnfolderBase]: 292/1078 cut-off events. [2024-11-19 05:49:31,960 INFO L125 PetriNetUnfolderBase]: For 577/599 co-relation queries the response was YES. [2024-11-19 05:49:31,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2445 conditions, 1078 events. 292/1078 cut-off events. For 577/599 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 6912 event pairs, 101 based on Foata normal form. 9/1039 useless extension candidates. Maximal degree in co-relation 2418. Up to 532 conditions per place. [2024-11-19 05:49:31,982 INFO L140 encePairwiseOnDemand]: 96/111 looper letters, 72 selfloop transitions, 53 changer transitions 4/202 dead transitions. [2024-11-19 05:49:31,983 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 202 transitions, 1049 flow [2024-11-19 05:49:31,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:49:31,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:49:31,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 547 transitions. [2024-11-19 05:49:31,985 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8213213213213213 [2024-11-19 05:49:31,985 INFO L175 Difference]: Start difference. First operand has 129 places, 147 transitions, 547 flow. Second operand 6 states and 547 transitions. [2024-11-19 05:49:31,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 202 transitions, 1049 flow [2024-11-19 05:49:31,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 202 transitions, 1049 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:49:31,991 INFO L231 Difference]: Finished difference. Result has 139 places, 194 transitions, 1029 flow [2024-11-19 05:49:31,991 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=547, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1029, PETRI_PLACES=139, PETRI_TRANSITIONS=194} [2024-11-19 05:49:31,992 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 25 predicate places. [2024-11-19 05:49:31,992 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 194 transitions, 1029 flow [2024-11-19 05:49:31,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:31,993 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:31,993 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] [2024-11-19 05:49:31,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:49:31,993 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:31,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:31,994 INFO L85 PathProgramCache]: Analyzing trace with hash 134748965, now seen corresponding path program 1 times [2024-11-19 05:49:31,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:31,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462310045] [2024-11-19 05:49:31,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:31,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:32,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:32,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:32,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462310045] [2024-11-19 05:49:32,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462310045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:32,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:32,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:32,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767155956] [2024-11-19 05:49:32,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:32,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:32,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:32,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:32,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:32,261 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 111 [2024-11-19 05:49:32,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 194 transitions, 1029 flow. Second operand has 6 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:32,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:32,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 111 [2024-11-19 05:49:32,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:32,494 INFO L124 PetriNetUnfolderBase]: 396/1383 cut-off events. [2024-11-19 05:49:32,494 INFO L125 PetriNetUnfolderBase]: For 1620/1661 co-relation queries the response was YES. [2024-11-19 05:49:32,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3760 conditions, 1383 events. 396/1383 cut-off events. For 1620/1661 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 9387 event pairs, 107 based on Foata normal form. 4/1351 useless extension candidates. Maximal degree in co-relation 3728. Up to 677 conditions per place. [2024-11-19 05:49:32,503 INFO L140 encePairwiseOnDemand]: 96/111 looper letters, 109 selfloop transitions, 61 changer transitions 10/255 dead transitions. [2024-11-19 05:49:32,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 255 transitions, 1735 flow [2024-11-19 05:49:32,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:49:32,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:49:32,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 547 transitions. [2024-11-19 05:49:32,505 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8213213213213213 [2024-11-19 05:49:32,505 INFO L175 Difference]: Start difference. First operand has 139 places, 194 transitions, 1029 flow. Second operand 6 states and 547 transitions. [2024-11-19 05:49:32,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 255 transitions, 1735 flow [2024-11-19 05:49:32,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 255 transitions, 1671 flow, removed 32 selfloop flow, removed 0 redundant places. [2024-11-19 05:49:32,516 INFO L231 Difference]: Finished difference. Result has 149 places, 241 transitions, 1551 flow [2024-11-19 05:49:32,516 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=971, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1551, PETRI_PLACES=149, PETRI_TRANSITIONS=241} [2024-11-19 05:49:32,517 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 35 predicate places. [2024-11-19 05:49:32,517 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 241 transitions, 1551 flow [2024-11-19 05:49:32,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:32,518 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:32,518 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] [2024-11-19 05:49:32,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:49:32,518 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:32,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:32,518 INFO L85 PathProgramCache]: Analyzing trace with hash -895514428, now seen corresponding path program 1 times [2024-11-19 05:49:32,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:32,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085321884] [2024-11-19 05:49:32,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:32,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:33,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:33,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:33,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085321884] [2024-11-19 05:49:33,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085321884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:33,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:33,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:49:33,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101345569] [2024-11-19 05:49:33,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:33,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:49:33,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:33,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:49:33,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:49:33,794 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:49:33,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 241 transitions, 1551 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:33,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:33,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:49:33,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:34,583 INFO L124 PetriNetUnfolderBase]: 620/2296 cut-off events. [2024-11-19 05:49:34,587 INFO L125 PetriNetUnfolderBase]: For 2949/3000 co-relation queries the response was YES. [2024-11-19 05:49:34,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6499 conditions, 2296 events. 620/2296 cut-off events. For 2949/3000 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 18424 event pairs, 36 based on Foata normal form. 6/2288 useless extension candidates. Maximal degree in co-relation 6457. Up to 368 conditions per place. [2024-11-19 05:49:34,609 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 40 selfloop transitions, 18 changer transitions 18/288 dead transitions. [2024-11-19 05:49:34,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 288 transitions, 1797 flow [2024-11-19 05:49:34,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:49:34,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:49:34,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1143 transitions. [2024-11-19 05:49:34,612 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7920997920997921 [2024-11-19 05:49:34,612 INFO L175 Difference]: Start difference. First operand has 149 places, 241 transitions, 1551 flow. Second operand 13 states and 1143 transitions. [2024-11-19 05:49:34,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 288 transitions, 1797 flow [2024-11-19 05:49:34,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 288 transitions, 1729 flow, removed 34 selfloop flow, removed 0 redundant places. [2024-11-19 05:49:34,637 INFO L231 Difference]: Finished difference. Result has 168 places, 250 transitions, 1582 flow [2024-11-19 05:49:34,638 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1483, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1582, PETRI_PLACES=168, PETRI_TRANSITIONS=250} [2024-11-19 05:49:34,640 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 54 predicate places. [2024-11-19 05:49:34,640 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 250 transitions, 1582 flow [2024-11-19 05:49:34,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:34,641 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:34,641 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] [2024-11-19 05:49:34,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:49:34,642 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:34,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:34,642 INFO L85 PathProgramCache]: Analyzing trace with hash 2121954808, now seen corresponding path program 2 times [2024-11-19 05:49:34,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:34,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165898787] [2024-11-19 05:49:34,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:49:34,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:34,669 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:49:34,673 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:49:35,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:35,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:35,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165898787] [2024-11-19 05:49:35,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165898787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:35,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:35,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:49:35,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503391867] [2024-11-19 05:49:35,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:35,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:49:35,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:35,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:49:35,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:49:35,846 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:49:35,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 250 transitions, 1582 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:35,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:35,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:49:35,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:36,355 INFO L124 PetriNetUnfolderBase]: 620/2370 cut-off events. [2024-11-19 05:49:36,356 INFO L125 PetriNetUnfolderBase]: For 3341/3420 co-relation queries the response was YES. [2024-11-19 05:49:36,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7125 conditions, 2370 events. 620/2370 cut-off events. For 3341/3420 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 19157 event pairs, 37 based on Foata normal form. 13/2374 useless extension candidates. Maximal degree in co-relation 7072. Up to 366 conditions per place. [2024-11-19 05:49:36,375 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 34 selfloop transitions, 23 changer transitions 24/293 dead transitions. [2024-11-19 05:49:36,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 293 transitions, 1914 flow [2024-11-19 05:49:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:49:36,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:49:36,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1139 transitions. [2024-11-19 05:49:36,378 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7893277893277894 [2024-11-19 05:49:36,378 INFO L175 Difference]: Start difference. First operand has 168 places, 250 transitions, 1582 flow. Second operand 13 states and 1139 transitions. [2024-11-19 05:49:36,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 293 transitions, 1914 flow [2024-11-19 05:49:36,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 293 transitions, 1889 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:49:36,404 INFO L231 Difference]: Finished difference. Result has 177 places, 250 transitions, 1625 flow [2024-11-19 05:49:36,404 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1565, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1625, PETRI_PLACES=177, PETRI_TRANSITIONS=250} [2024-11-19 05:49:36,405 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 63 predicate places. [2024-11-19 05:49:36,406 INFO L471 AbstractCegarLoop]: Abstraction has has 177 places, 250 transitions, 1625 flow [2024-11-19 05:49:36,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:36,406 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:36,406 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] [2024-11-19 05:49:36,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 05:49:36,407 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:36,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:36,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1450919672, now seen corresponding path program 3 times [2024-11-19 05:49:36,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:36,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605752079] [2024-11-19 05:49:36,408 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 05:49:36,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:36,421 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 05:49:36,422 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:49:36,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:36,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:36,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605752079] [2024-11-19 05:49:36,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605752079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:36,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:36,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:49:36,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109709095] [2024-11-19 05:49:36,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:36,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:49:36,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:36,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:49:36,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:49:37,328 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:49:37,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 250 transitions, 1625 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:37,330 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:37,330 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:49:37,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:37,869 INFO L124 PetriNetUnfolderBase]: 563/2153 cut-off events. [2024-11-19 05:49:37,869 INFO L125 PetriNetUnfolderBase]: For 3517/3608 co-relation queries the response was YES. [2024-11-19 05:49:37,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6757 conditions, 2153 events. 563/2153 cut-off events. For 3517/3608 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 17008 event pairs, 21 based on Foata normal form. 12/2159 useless extension candidates. Maximal degree in co-relation 6700. Up to 368 conditions per place. [2024-11-19 05:49:37,881 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 42 selfloop transitions, 19 changer transitions 16/289 dead transitions. [2024-11-19 05:49:37,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 289 transitions, 2009 flow [2024-11-19 05:49:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:49:37,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:49:37,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1137 transitions. [2024-11-19 05:49:37,884 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7879417879417879 [2024-11-19 05:49:37,884 INFO L175 Difference]: Start difference. First operand has 177 places, 250 transitions, 1625 flow. Second operand 13 states and 1137 transitions. [2024-11-19 05:49:37,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 289 transitions, 2009 flow [2024-11-19 05:49:37,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 289 transitions, 1909 flow, removed 9 selfloop flow, removed 11 redundant places. [2024-11-19 05:49:37,905 INFO L231 Difference]: Finished difference. Result has 182 places, 255 transitions, 1673 flow [2024-11-19 05:49:37,906 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1579, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1673, PETRI_PLACES=182, PETRI_TRANSITIONS=255} [2024-11-19 05:49:37,907 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 68 predicate places. [2024-11-19 05:49:37,907 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 255 transitions, 1673 flow [2024-11-19 05:49:37,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:37,907 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:37,908 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] [2024-11-19 05:49:37,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:49:37,908 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:37,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:37,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1466922172, now seen corresponding path program 4 times [2024-11-19 05:49:37,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:37,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356562821] [2024-11-19 05:49:37,910 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 05:49:37,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:37,932 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 05:49:37,932 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:49:38,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:38,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:38,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356562821] [2024-11-19 05:49:38,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356562821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:38,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:38,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-19 05:49:38,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121903437] [2024-11-19 05:49:38,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:38,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 05:49:38,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:38,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 05:49:38,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-19 05:49:39,059 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 111 [2024-11-19 05:49:39,060 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 255 transitions, 1673 flow. Second operand has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:39,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:39,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 111 [2024-11-19 05:49:39,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:40,428 INFO L124 PetriNetUnfolderBase]: 1519/4720 cut-off events. [2024-11-19 05:49:40,428 INFO L125 PetriNetUnfolderBase]: For 13840/14121 co-relation queries the response was YES. [2024-11-19 05:49:40,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17370 conditions, 4720 events. 1519/4720 cut-off events. For 13840/14121 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 41610 event pairs, 108 based on Foata normal form. 104/4798 useless extension candidates. Maximal degree in co-relation 17312. Up to 1137 conditions per place. [2024-11-19 05:49:40,472 INFO L140 encePairwiseOnDemand]: 86/111 looper letters, 454 selfloop transitions, 120 changer transitions 45/711 dead transitions. [2024-11-19 05:49:40,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 711 transitions, 6720 flow [2024-11-19 05:49:40,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-19 05:49:40,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-11-19 05:49:40,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 2023 transitions. [2024-11-19 05:49:40,478 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.729009009009009 [2024-11-19 05:49:40,478 INFO L175 Difference]: Start difference. First operand has 182 places, 255 transitions, 1673 flow. Second operand 25 states and 2023 transitions. [2024-11-19 05:49:40,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 711 transitions, 6720 flow [2024-11-19 05:49:40,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 711 transitions, 6577 flow, removed 61 selfloop flow, removed 9 redundant places. [2024-11-19 05:49:40,602 INFO L231 Difference]: Finished difference. Result has 215 places, 356 transitions, 3121 flow [2024-11-19 05:49:40,606 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1633, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=3121, PETRI_PLACES=215, PETRI_TRANSITIONS=356} [2024-11-19 05:49:40,606 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 101 predicate places. [2024-11-19 05:49:40,607 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 356 transitions, 3121 flow [2024-11-19 05:49:40,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:40,607 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:40,607 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] [2024-11-19 05:49:40,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 05:49:40,607 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:40,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:40,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1614284322, now seen corresponding path program 5 times [2024-11-19 05:49:40,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:40,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34355705] [2024-11-19 05:49:40,608 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 05:49:40,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:40,624 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:49:40,624 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:49:41,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:41,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:41,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34355705] [2024-11-19 05:49:41,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34355705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:41,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:41,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:49:41,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999684262] [2024-11-19 05:49:41,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:41,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:49:41,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:41,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:49:41,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:49:41,595 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:49:41,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 356 transitions, 3121 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:41,596 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:41,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:49:41,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:42,328 INFO L124 PetriNetUnfolderBase]: 1371/4716 cut-off events. [2024-11-19 05:49:42,329 INFO L125 PetriNetUnfolderBase]: For 13591/13828 co-relation queries the response was YES. [2024-11-19 05:49:42,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16669 conditions, 4716 events. 1371/4716 cut-off events. For 13591/13828 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 44986 event pairs, 57 based on Foata normal form. 38/4738 useless extension candidates. Maximal degree in co-relation 16595. Up to 884 conditions per place. [2024-11-19 05:49:42,365 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 64 selfloop transitions, 29 changer transitions 6/385 dead transitions. [2024-11-19 05:49:42,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 385 transitions, 3516 flow [2024-11-19 05:49:42,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:49:42,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:49:42,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1132 transitions. [2024-11-19 05:49:42,368 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7844767844767845 [2024-11-19 05:49:42,368 INFO L175 Difference]: Start difference. First operand has 215 places, 356 transitions, 3121 flow. Second operand 13 states and 1132 transitions. [2024-11-19 05:49:42,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 385 transitions, 3516 flow [2024-11-19 05:49:42,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 385 transitions, 3443 flow, removed 25 selfloop flow, removed 4 redundant places. [2024-11-19 05:49:42,450 INFO L231 Difference]: Finished difference. Result has 226 places, 359 transitions, 3159 flow [2024-11-19 05:49:42,451 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3061, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3159, PETRI_PLACES=226, PETRI_TRANSITIONS=359} [2024-11-19 05:49:42,451 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 112 predicate places. [2024-11-19 05:49:42,451 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 359 transitions, 3159 flow [2024-11-19 05:49:42,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:42,452 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:42,452 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] [2024-11-19 05:49:42,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 05:49:42,452 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:42,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:42,453 INFO L85 PathProgramCache]: Analyzing trace with hash -2013641010, now seen corresponding path program 6 times [2024-11-19 05:49:42,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:42,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953406672] [2024-11-19 05:49:42,453 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 05:49:42,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:42,465 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 05:49:42,465 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:49:43,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:43,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:43,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953406672] [2024-11-19 05:49:43,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953406672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:43,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:43,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:49:43,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776610062] [2024-11-19 05:49:43,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:43,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:49:43,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:43,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:49:43,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:49:43,759 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:49:43,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 359 transitions, 3159 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:43,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:43,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:49:43,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:44,643 INFO L124 PetriNetUnfolderBase]: 1642/5628 cut-off events. [2024-11-19 05:49:44,644 INFO L125 PetriNetUnfolderBase]: For 16651/16962 co-relation queries the response was YES. [2024-11-19 05:49:44,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20111 conditions, 5628 events. 1642/5628 cut-off events. For 16651/16962 co-relation queries the response was YES. Maximal size of possible extension queue 359. Compared 55780 event pairs, 76 based on Foata normal form. 31/5638 useless extension candidates. Maximal degree in co-relation 20032. Up to 1023 conditions per place. [2024-11-19 05:49:44,701 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 69 selfloop transitions, 35 changer transitions 4/394 dead transitions. [2024-11-19 05:49:44,702 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 394 transitions, 3669 flow [2024-11-19 05:49:44,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:49:44,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:49:44,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1132 transitions. [2024-11-19 05:49:44,704 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7844767844767845 [2024-11-19 05:49:44,705 INFO L175 Difference]: Start difference. First operand has 226 places, 359 transitions, 3159 flow. Second operand 13 states and 1132 transitions. [2024-11-19 05:49:44,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 394 transitions, 3669 flow [2024-11-19 05:49:44,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 394 transitions, 3596 flow, removed 6 selfloop flow, removed 9 redundant places. [2024-11-19 05:49:44,809 INFO L231 Difference]: Finished difference. Result has 234 places, 367 transitions, 3311 flow [2024-11-19 05:49:44,809 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3107, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3311, PETRI_PLACES=234, PETRI_TRANSITIONS=367} [2024-11-19 05:49:44,810 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 120 predicate places. [2024-11-19 05:49:44,810 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 367 transitions, 3311 flow [2024-11-19 05:49:44,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:44,811 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:44,811 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] [2024-11-19 05:49:44,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 05:49:44,811 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:44,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:44,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1085975770, now seen corresponding path program 7 times [2024-11-19 05:49:44,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:44,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681315914] [2024-11-19 05:49:44,812 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 05:49:44,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:45,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:45,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:45,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681315914] [2024-11-19 05:49:45,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681315914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:45,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:45,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:49:45,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490262368] [2024-11-19 05:49:45,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:45,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:49:45,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:45,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:49:45,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:49:45,679 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:49:45,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 367 transitions, 3311 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:45,680 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:45,680 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:49:45,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:46,690 INFO L124 PetriNetUnfolderBase]: 1909/6539 cut-off events. [2024-11-19 05:49:46,690 INFO L125 PetriNetUnfolderBase]: For 20656/20974 co-relation queries the response was YES. [2024-11-19 05:49:46,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23642 conditions, 6539 events. 1909/6539 cut-off events. For 20656/20974 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 66790 event pairs, 85 based on Foata normal form. 44/6558 useless extension candidates. Maximal degree in co-relation 23558. Up to 1195 conditions per place. [2024-11-19 05:49:46,737 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 72 selfloop transitions, 36 changer transitions 4/398 dead transitions. [2024-11-19 05:49:46,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 398 transitions, 3833 flow [2024-11-19 05:49:46,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:49:46,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:49:46,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1131 transitions. [2024-11-19 05:49:46,739 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7837837837837838 [2024-11-19 05:49:46,739 INFO L175 Difference]: Start difference. First operand has 234 places, 367 transitions, 3311 flow. Second operand 13 states and 1131 transitions. [2024-11-19 05:49:46,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 398 transitions, 3833 flow [2024-11-19 05:49:46,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 398 transitions, 3751 flow, removed 21 selfloop flow, removed 8 redundant places. [2024-11-19 05:49:46,853 INFO L231 Difference]: Finished difference. Result has 241 places, 375 transitions, 3463 flow [2024-11-19 05:49:46,853 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3252, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3463, PETRI_PLACES=241, PETRI_TRANSITIONS=375} [2024-11-19 05:49:46,854 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 127 predicate places. [2024-11-19 05:49:46,854 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 375 transitions, 3463 flow [2024-11-19 05:49:46,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:46,855 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:46,855 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] [2024-11-19 05:49:46,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 05:49:46,856 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:46,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:46,856 INFO L85 PathProgramCache]: Analyzing trace with hash -937140688, now seen corresponding path program 8 times [2024-11-19 05:49:46,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:46,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415180507] [2024-11-19 05:49:46,856 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:49:46,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:46,871 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:49:46,871 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:49:47,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:47,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:47,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415180507] [2024-11-19 05:49:47,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415180507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:47,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:47,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:49:47,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568140618] [2024-11-19 05:49:47,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:47,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:49:47,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:47,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:49:47,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:49:48,041 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:49:48,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 375 transitions, 3463 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:48,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:48,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:49:48,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:49,095 INFO L124 PetriNetUnfolderBase]: 1910/6540 cut-off events. [2024-11-19 05:49:49,095 INFO L125 PetriNetUnfolderBase]: For 22396/22768 co-relation queries the response was YES. [2024-11-19 05:49:49,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23914 conditions, 6540 events. 1910/6540 cut-off events. For 22396/22768 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 66813 event pairs, 83 based on Foata normal form. 48/6563 useless extension candidates. Maximal degree in co-relation 23827. Up to 1187 conditions per place. [2024-11-19 05:49:49,155 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 73 selfloop transitions, 37 changer transitions 5/401 dead transitions. [2024-11-19 05:49:49,156 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 401 transitions, 3930 flow [2024-11-19 05:49:49,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:49:49,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:49:49,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1135 transitions. [2024-11-19 05:49:49,160 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7865557865557865 [2024-11-19 05:49:49,160 INFO L175 Difference]: Start difference. First operand has 241 places, 375 transitions, 3463 flow. Second operand 13 states and 1135 transitions. [2024-11-19 05:49:49,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 401 transitions, 3930 flow [2024-11-19 05:49:49,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 401 transitions, 3847 flow, removed 18 selfloop flow, removed 8 redundant places. [2024-11-19 05:49:49,405 INFO L231 Difference]: Finished difference. Result has 249 places, 378 transitions, 3545 flow [2024-11-19 05:49:49,406 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3390, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3545, PETRI_PLACES=249, PETRI_TRANSITIONS=378} [2024-11-19 05:49:49,407 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 135 predicate places. [2024-11-19 05:49:49,407 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 378 transitions, 3545 flow [2024-11-19 05:49:49,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:49,408 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:49,408 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] [2024-11-19 05:49:49,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 05:49:49,408 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:49,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:49,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1553215992, now seen corresponding path program 9 times [2024-11-19 05:49:49,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:49,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289736787] [2024-11-19 05:49:49,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 05:49:49,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:49,422 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 05:49:49,422 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:49:49,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:49,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:49,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289736787] [2024-11-19 05:49:49,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289736787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:49,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:49,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:49:49,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264516756] [2024-11-19 05:49:49,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:49,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:49:49,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:49,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:49:49,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:49:50,224 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:49:50,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 378 transitions, 3545 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:50,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:50,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:49:50,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:51,294 INFO L124 PetriNetUnfolderBase]: 1911/6515 cut-off events. [2024-11-19 05:49:51,294 INFO L125 PetriNetUnfolderBase]: For 23505/23870 co-relation queries the response was YES. [2024-11-19 05:49:51,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24019 conditions, 6515 events. 1911/6515 cut-off events. For 23505/23870 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 66525 event pairs, 88 based on Foata normal form. 40/6528 useless extension candidates. Maximal degree in co-relation 23928. Up to 1197 conditions per place. [2024-11-19 05:49:51,337 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 77 selfloop transitions, 31 changer transitions 3/397 dead transitions. [2024-11-19 05:49:51,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 397 transitions, 3963 flow [2024-11-19 05:49:51,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:49:51,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:49:51,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1138 transitions. [2024-11-19 05:49:51,338 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7886347886347886 [2024-11-19 05:49:51,338 INFO L175 Difference]: Start difference. First operand has 249 places, 378 transitions, 3545 flow. Second operand 13 states and 1138 transitions. [2024-11-19 05:49:51,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 397 transitions, 3963 flow [2024-11-19 05:49:51,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 397 transitions, 3796 flow, removed 43 selfloop flow, removed 13 redundant places. [2024-11-19 05:49:51,459 INFO L231 Difference]: Finished difference. Result has 251 places, 381 transitions, 3555 flow [2024-11-19 05:49:51,459 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3425, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3555, PETRI_PLACES=251, PETRI_TRANSITIONS=381} [2024-11-19 05:49:51,460 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 137 predicate places. [2024-11-19 05:49:51,460 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 381 transitions, 3555 flow [2024-11-19 05:49:51,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:51,460 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:51,460 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] [2024-11-19 05:49:51,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 05:49:51,461 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:51,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:51,461 INFO L85 PathProgramCache]: Analyzing trace with hash -568278840, now seen corresponding path program 1 times [2024-11-19 05:49:51,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:51,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584611786] [2024-11-19 05:49:51,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:51,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:51,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:51,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:51,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584611786] [2024-11-19 05:49:51,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584611786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:51,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:51,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:49:51,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723789389] [2024-11-19 05:49:51,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:51,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:49:51,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:51,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:49:51,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:49:52,419 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:49:52,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 381 transitions, 3555 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:52,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:52,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:49:52,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:53,596 INFO L124 PetriNetUnfolderBase]: 2174/7382 cut-off events. [2024-11-19 05:49:53,596 INFO L125 PetriNetUnfolderBase]: For 27449/27844 co-relation queries the response was YES. [2024-11-19 05:49:53,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27098 conditions, 7382 events. 2174/7382 cut-off events. For 27449/27844 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 77223 event pairs, 97 based on Foata normal form. 42/7393 useless extension candidates. Maximal degree in co-relation 27009. Up to 1365 conditions per place. [2024-11-19 05:49:53,668 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 83 selfloop transitions, 34 changer transitions 3/406 dead transitions. [2024-11-19 05:49:53,668 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 406 transitions, 4070 flow [2024-11-19 05:49:53,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:49:53,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:49:53,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1139 transitions. [2024-11-19 05:49:53,669 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7893277893277894 [2024-11-19 05:49:53,670 INFO L175 Difference]: Start difference. First operand has 251 places, 381 transitions, 3555 flow. Second operand 13 states and 1139 transitions. [2024-11-19 05:49:53,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 406 transitions, 4070 flow [2024-11-19 05:49:53,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 406 transitions, 3962 flow, removed 32 selfloop flow, removed 8 redundant places. [2024-11-19 05:49:53,844 INFO L231 Difference]: Finished difference. Result has 258 places, 387 transitions, 3670 flow [2024-11-19 05:49:53,844 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3488, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3670, PETRI_PLACES=258, PETRI_TRANSITIONS=387} [2024-11-19 05:49:53,845 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 144 predicate places. [2024-11-19 05:49:53,845 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 387 transitions, 3670 flow [2024-11-19 05:49:53,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:53,845 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:53,845 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] [2024-11-19 05:49:53,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 05:49:53,846 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:53,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:53,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1069381706, now seen corresponding path program 2 times [2024-11-19 05:49:53,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:53,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55824791] [2024-11-19 05:49:53,846 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:49:53,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:53,857 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:49:53,857 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:49:54,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:54,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:54,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55824791] [2024-11-19 05:49:54,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55824791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:54,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:54,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:49:54,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269563159] [2024-11-19 05:49:54,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:54,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:49:54,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:54,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:49:54,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:49:54,724 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:49:54,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 387 transitions, 3670 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:54,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:54,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:49:54,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:56,091 INFO L124 PetriNetUnfolderBase]: 2174/7402 cut-off events. [2024-11-19 05:49:56,091 INFO L125 PetriNetUnfolderBase]: For 27795/28190 co-relation queries the response was YES. [2024-11-19 05:49:56,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27224 conditions, 7402 events. 2174/7402 cut-off events. For 27795/28190 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 77512 event pairs, 100 based on Foata normal form. 39/7410 useless extension candidates. Maximal degree in co-relation 27132. Up to 1368 conditions per place. [2024-11-19 05:49:56,175 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 81 selfloop transitions, 31 changer transitions 5/403 dead transitions. [2024-11-19 05:49:56,175 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 403 transitions, 4038 flow [2024-11-19 05:49:56,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:49:56,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:49:56,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1139 transitions. [2024-11-19 05:49:56,177 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7893277893277894 [2024-11-19 05:49:56,177 INFO L175 Difference]: Start difference. First operand has 258 places, 387 transitions, 3670 flow. Second operand 13 states and 1139 transitions. [2024-11-19 05:49:56,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 403 transitions, 4038 flow [2024-11-19 05:49:56,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 403 transitions, 3976 flow, removed 5 selfloop flow, removed 9 redundant places. [2024-11-19 05:49:56,381 INFO L231 Difference]: Finished difference. Result has 263 places, 387 transitions, 3691 flow [2024-11-19 05:49:56,381 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3614, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3691, PETRI_PLACES=263, PETRI_TRANSITIONS=387} [2024-11-19 05:49:56,382 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 149 predicate places. [2024-11-19 05:49:56,382 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 387 transitions, 3691 flow [2024-11-19 05:49:56,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:56,383 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:56,383 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] [2024-11-19 05:49:56,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 05:49:56,383 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:56,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:56,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1468252868, now seen corresponding path program 3 times [2024-11-19 05:49:56,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:56,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609592243] [2024-11-19 05:49:56,385 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 05:49:56,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:56,432 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 05:49:56,433 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:49:56,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:56,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:56,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609592243] [2024-11-19 05:49:56,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609592243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:56,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:56,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:49:56,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456161982] [2024-11-19 05:49:56,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:56,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:49:56,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:56,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:49:56,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:49:57,391 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:49:57,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 387 transitions, 3691 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:57,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:57,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:49:57,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:58,458 INFO L124 PetriNetUnfolderBase]: 1907/6560 cut-off events. [2024-11-19 05:49:58,458 INFO L125 PetriNetUnfolderBase]: For 24514/24870 co-relation queries the response was YES. [2024-11-19 05:49:58,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24089 conditions, 6560 events. 1907/6560 cut-off events. For 24514/24870 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 67339 event pairs, 87 based on Foata normal form. 35/6568 useless extension candidates. Maximal degree in co-relation 23995. Up to 1205 conditions per place. [2024-11-19 05:49:58,511 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 78 selfloop transitions, 28 changer transitions 9/401 dead transitions. [2024-11-19 05:49:58,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 401 transitions, 4001 flow [2024-11-19 05:49:58,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:49:58,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:49:58,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1135 transitions. [2024-11-19 05:49:58,513 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7865557865557865 [2024-11-19 05:49:58,513 INFO L175 Difference]: Start difference. First operand has 263 places, 387 transitions, 3691 flow. Second operand 13 states and 1135 transitions. [2024-11-19 05:49:58,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 401 transitions, 4001 flow [2024-11-19 05:49:58,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 401 transitions, 3918 flow, removed 8 selfloop flow, removed 12 redundant places. [2024-11-19 05:49:58,661 INFO L231 Difference]: Finished difference. Result has 264 places, 381 transitions, 3574 flow [2024-11-19 05:49:58,662 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3540, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3574, PETRI_PLACES=264, PETRI_TRANSITIONS=381} [2024-11-19 05:49:58,662 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 150 predicate places. [2024-11-19 05:49:58,662 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 381 transitions, 3574 flow [2024-11-19 05:49:58,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:58,663 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:58,663 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] [2024-11-19 05:49:58,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 05:49:58,663 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:49:58,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:58,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1571950034, now seen corresponding path program 4 times [2024-11-19 05:49:58,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:58,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751886030] [2024-11-19 05:49:58,664 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 05:49:58,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:58,682 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 05:49:58,683 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:49:59,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:59,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:59,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751886030] [2024-11-19 05:49:59,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751886030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:59,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:59,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:49:59,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741787146] [2024-11-19 05:49:59,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:59,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:49:59,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:59,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:49:59,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:49:59,967 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:49:59,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 381 transitions, 3574 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:49:59,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:59,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:49:59,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:00,974 INFO L124 PetriNetUnfolderBase]: 1906/6525 cut-off events. [2024-11-19 05:50:00,974 INFO L125 PetriNetUnfolderBase]: For 24014/24364 co-relation queries the response was YES. [2024-11-19 05:50:01,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23866 conditions, 6525 events. 1906/6525 cut-off events. For 24014/24364 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 66743 event pairs, 88 based on Foata normal form. 37/6535 useless extension candidates. Maximal degree in co-relation 23771. Up to 1193 conditions per place. [2024-11-19 05:50:01,017 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 74 selfloop transitions, 31 changer transitions 5/396 dead transitions. [2024-11-19 05:50:01,017 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 396 transitions, 3935 flow [2024-11-19 05:50:01,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:01,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:01,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1138 transitions. [2024-11-19 05:50:01,020 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7886347886347886 [2024-11-19 05:50:01,020 INFO L175 Difference]: Start difference. First operand has 264 places, 381 transitions, 3574 flow. Second operand 13 states and 1138 transitions. [2024-11-19 05:50:01,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 396 transitions, 3935 flow [2024-11-19 05:50:01,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 396 transitions, 3841 flow, removed 14 selfloop flow, removed 15 redundant places. [2024-11-19 05:50:01,147 INFO L231 Difference]: Finished difference. Result has 258 places, 381 transitions, 3570 flow [2024-11-19 05:50:01,147 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3501, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3570, PETRI_PLACES=258, PETRI_TRANSITIONS=381} [2024-11-19 05:50:01,148 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 144 predicate places. [2024-11-19 05:50:01,148 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 381 transitions, 3570 flow [2024-11-19 05:50:01,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:01,149 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:01,153 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] [2024-11-19 05:50:01,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 05:50:01,153 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:01,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:01,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1891756424, now seen corresponding path program 5 times [2024-11-19 05:50:01,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:01,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850004843] [2024-11-19 05:50:01,154 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 05:50:01,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:01,166 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:01,167 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:01,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:01,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:01,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850004843] [2024-11-19 05:50:01,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850004843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:01,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:01,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:01,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970654521] [2024-11-19 05:50:01,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:01,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:01,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:01,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:01,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:01,971 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:01,973 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 381 transitions, 3570 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:01,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:01,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:01,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:02,808 INFO L124 PetriNetUnfolderBase]: 1637/5683 cut-off events. [2024-11-19 05:50:02,809 INFO L125 PetriNetUnfolderBase]: For 20287/20597 co-relation queries the response was YES. [2024-11-19 05:50:02,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20722 conditions, 5683 events. 1637/5683 cut-off events. For 20287/20597 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 56561 event pairs, 77 based on Foata normal form. 30/5690 useless extension candidates. Maximal degree in co-relation 20630. Up to 1032 conditions per place. [2024-11-19 05:50:02,893 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 70 selfloop transitions, 23 changer transitions 10/389 dead transitions. [2024-11-19 05:50:02,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 389 transitions, 3794 flow [2024-11-19 05:50:02,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:02,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:02,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1134 transitions. [2024-11-19 05:50:02,897 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7858627858627859 [2024-11-19 05:50:02,897 INFO L175 Difference]: Start difference. First operand has 258 places, 381 transitions, 3570 flow. Second operand 13 states and 1134 transitions. [2024-11-19 05:50:02,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 389 transitions, 3794 flow [2024-11-19 05:50:03,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 389 transitions, 3691 flow, removed 10 selfloop flow, removed 14 redundant places. [2024-11-19 05:50:03,028 INFO L231 Difference]: Finished difference. Result has 255 places, 371 transitions, 3372 flow [2024-11-19 05:50:03,028 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3401, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3372, PETRI_PLACES=255, PETRI_TRANSITIONS=371} [2024-11-19 05:50:03,029 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 141 predicate places. [2024-11-19 05:50:03,029 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 371 transitions, 3372 flow [2024-11-19 05:50:03,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:03,030 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:03,030 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] [2024-11-19 05:50:03,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 05:50:03,030 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:03,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:03,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1619751972, now seen corresponding path program 6 times [2024-11-19 05:50:03,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:03,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791542024] [2024-11-19 05:50:03,032 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 05:50:03,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:03,049 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 05:50:03,049 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:03,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:03,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:03,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791542024] [2024-11-19 05:50:03,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791542024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:03,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:03,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:03,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113316555] [2024-11-19 05:50:03,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:03,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:03,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:03,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:03,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:03,984 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:03,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 371 transitions, 3372 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:03,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:03,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:03,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:04,714 INFO L124 PetriNetUnfolderBase]: 1367/4796 cut-off events. [2024-11-19 05:50:04,714 INFO L125 PetriNetUnfolderBase]: For 15450/15683 co-relation queries the response was YES. [2024-11-19 05:50:04,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17258 conditions, 4796 events. 1367/4796 cut-off events. For 15450/15683 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 45992 event pairs, 58 based on Foata normal form. 35/4812 useless extension candidates. Maximal degree in co-relation 17193. Up to 871 conditions per place. [2024-11-19 05:50:04,755 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 66 selfloop transitions, 26 changer transitions 8/386 dead transitions. [2024-11-19 05:50:04,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 386 transitions, 3618 flow [2024-11-19 05:50:04,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1127 transitions. [2024-11-19 05:50:04,756 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.781011781011781 [2024-11-19 05:50:04,756 INFO L175 Difference]: Start difference. First operand has 255 places, 371 transitions, 3372 flow. Second operand 13 states and 1127 transitions. [2024-11-19 05:50:04,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 386 transitions, 3618 flow [2024-11-19 05:50:04,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 386 transitions, 3523 flow, removed 10 selfloop flow, removed 15 redundant places. [2024-11-19 05:50:04,846 INFO L231 Difference]: Finished difference. Result has 245 places, 365 transitions, 3246 flow [2024-11-19 05:50:04,846 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3213, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3246, PETRI_PLACES=245, PETRI_TRANSITIONS=365} [2024-11-19 05:50:04,847 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 131 predicate places. [2024-11-19 05:50:04,847 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 365 transitions, 3246 flow [2024-11-19 05:50:04,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:04,847 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:04,847 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] [2024-11-19 05:50:04,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 05:50:04,848 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:04,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:04,848 INFO L85 PathProgramCache]: Analyzing trace with hash 791919810, now seen corresponding path program 7 times [2024-11-19 05:50:04,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:04,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997215827] [2024-11-19 05:50:04,848 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 05:50:04,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:05,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:05,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:05,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997215827] [2024-11-19 05:50:05,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997215827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:05,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:05,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:05,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789306270] [2024-11-19 05:50:05,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:05,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:05,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:05,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:05,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:05,674 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:05,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 365 transitions, 3246 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:05,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:05,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:05,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:06,425 INFO L124 PetriNetUnfolderBase]: 1367/4809 cut-off events. [2024-11-19 05:50:06,425 INFO L125 PetriNetUnfolderBase]: For 14509/14755 co-relation queries the response was YES. [2024-11-19 05:50:06,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17108 conditions, 4809 events. 1367/4809 cut-off events. For 14509/14755 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 46089 event pairs, 60 based on Foata normal form. 35/4825 useless extension candidates. Maximal degree in co-relation 17045. Up to 858 conditions per place. [2024-11-19 05:50:06,474 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 63 selfloop transitions, 28 changer transitions 4/381 dead transitions. [2024-11-19 05:50:06,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 381 transitions, 3548 flow [2024-11-19 05:50:06,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:06,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:06,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1131 transitions. [2024-11-19 05:50:06,478 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7837837837837838 [2024-11-19 05:50:06,478 INFO L175 Difference]: Start difference. First operand has 245 places, 365 transitions, 3246 flow. Second operand 13 states and 1131 transitions. [2024-11-19 05:50:06,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 381 transitions, 3548 flow [2024-11-19 05:50:06,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 381 transitions, 3434 flow, removed 17 selfloop flow, removed 16 redundant places. [2024-11-19 05:50:06,569 INFO L231 Difference]: Finished difference. Result has 239 places, 365 transitions, 3223 flow [2024-11-19 05:50:06,569 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3153, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3223, PETRI_PLACES=239, PETRI_TRANSITIONS=365} [2024-11-19 05:50:06,570 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 125 predicate places. [2024-11-19 05:50:06,570 INFO L471 AbstractCegarLoop]: Abstraction has has 239 places, 365 transitions, 3223 flow [2024-11-19 05:50:06,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:06,570 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:06,570 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] [2024-11-19 05:50:06,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 05:50:06,571 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:06,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:06,571 INFO L85 PathProgramCache]: Analyzing trace with hash -91655010, now seen corresponding path program 8 times [2024-11-19 05:50:06,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:06,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852500372] [2024-11-19 05:50:06,571 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:50:06,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:06,582 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:06,582 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:06,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:06,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:06,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852500372] [2024-11-19 05:50:06,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852500372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:06,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:06,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:06,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33357780] [2024-11-19 05:50:06,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:06,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:06,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:06,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:06,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:07,373 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:07,374 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 365 transitions, 3223 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:07,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:07,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:07,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:08,084 INFO L124 PetriNetUnfolderBase]: 1365/4784 cut-off events. [2024-11-19 05:50:08,085 INFO L125 PetriNetUnfolderBase]: For 14143/14373 co-relation queries the response was YES. [2024-11-19 05:50:08,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16957 conditions, 4784 events. 1365/4784 cut-off events. For 14143/14373 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 45792 event pairs, 61 based on Foata normal form. 34/4799 useless extension candidates. Maximal degree in co-relation 16897. Up to 861 conditions per place. [2024-11-19 05:50:08,133 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 60 selfloop transitions, 30 changer transitions 5/381 dead transitions. [2024-11-19 05:50:08,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 381 transitions, 3522 flow [2024-11-19 05:50:08,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:08,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:08,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1130 transitions. [2024-11-19 05:50:08,134 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7830907830907831 [2024-11-19 05:50:08,135 INFO L175 Difference]: Start difference. First operand has 239 places, 365 transitions, 3223 flow. Second operand 13 states and 1130 transitions. [2024-11-19 05:50:08,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 381 transitions, 3522 flow [2024-11-19 05:50:08,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 381 transitions, 3452 flow, removed 5 selfloop flow, removed 11 redundant places. [2024-11-19 05:50:08,224 INFO L231 Difference]: Finished difference. Result has 242 places, 366 transitions, 3255 flow [2024-11-19 05:50:08,225 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3163, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3255, PETRI_PLACES=242, PETRI_TRANSITIONS=366} [2024-11-19 05:50:08,225 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 128 predicate places. [2024-11-19 05:50:08,225 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 366 transitions, 3255 flow [2024-11-19 05:50:08,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:08,226 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:08,226 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] [2024-11-19 05:50:08,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-19 05:50:08,226 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:08,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:08,226 INFO L85 PathProgramCache]: Analyzing trace with hash 768534790, now seen corresponding path program 9 times [2024-11-19 05:50:08,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:08,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497265169] [2024-11-19 05:50:08,226 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 05:50:08,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:08,239 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 05:50:08,240 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:08,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:08,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:08,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497265169] [2024-11-19 05:50:08,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497265169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:08,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:08,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:08,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169655407] [2024-11-19 05:50:08,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:08,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:08,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:08,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:08,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:09,098 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:09,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 366 transitions, 3255 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:09,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:09,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:09,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:09,769 INFO L124 PetriNetUnfolderBase]: 1096/3968 cut-off events. [2024-11-19 05:50:09,769 INFO L125 PetriNetUnfolderBase]: For 11458/11646 co-relation queries the response was YES. [2024-11-19 05:50:09,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13959 conditions, 3968 events. 1096/3968 cut-off events. For 11458/11646 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 36392 event pairs, 50 based on Foata normal form. 28/3981 useless extension candidates. Maximal degree in co-relation 13896. Up to 697 conditions per place. [2024-11-19 05:50:09,796 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 55 selfloop transitions, 21 changer transitions 12/374 dead transitions. [2024-11-19 05:50:09,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 374 transitions, 3435 flow [2024-11-19 05:50:09,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:09,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:09,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1126 transitions. [2024-11-19 05:50:09,797 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7803187803187803 [2024-11-19 05:50:09,797 INFO L175 Difference]: Start difference. First operand has 242 places, 366 transitions, 3255 flow. Second operand 13 states and 1126 transitions. [2024-11-19 05:50:09,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 374 transitions, 3435 flow [2024-11-19 05:50:09,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 374 transitions, 3374 flow, removed 6 selfloop flow, removed 10 redundant places. [2024-11-19 05:50:09,859 INFO L231 Difference]: Finished difference. Result has 243 places, 355 transitions, 3100 flow [2024-11-19 05:50:09,860 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3128, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3100, PETRI_PLACES=243, PETRI_TRANSITIONS=355} [2024-11-19 05:50:09,860 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 129 predicate places. [2024-11-19 05:50:09,860 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 355 transitions, 3100 flow [2024-11-19 05:50:09,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:09,861 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:09,861 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] [2024-11-19 05:50:09,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-19 05:50:09,861 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:09,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:09,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1247688722, now seen corresponding path program 10 times [2024-11-19 05:50:09,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:09,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104683304] [2024-11-19 05:50:09,862 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 05:50:09,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:09,877 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 05:50:09,878 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:10,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:10,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:10,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104683304] [2024-11-19 05:50:10,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104683304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:10,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:10,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:10,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794485477] [2024-11-19 05:50:10,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:10,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:10,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:10,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:10,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:10,610 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:10,612 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 355 transitions, 3100 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:10,612 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:10,612 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:10,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:11,273 INFO L124 PetriNetUnfolderBase]: 1358/4648 cut-off events. [2024-11-19 05:50:11,273 INFO L125 PetriNetUnfolderBase]: For 13514/13767 co-relation queries the response was YES. [2024-11-19 05:50:11,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16325 conditions, 4648 events. 1358/4648 cut-off events. For 13514/13767 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 44423 event pairs, 56 based on Foata normal form. 30/4659 useless extension candidates. Maximal degree in co-relation 16263. Up to 843 conditions per place. [2024-11-19 05:50:11,308 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 54 selfloop transitions, 36 changer transitions 1/377 dead transitions. [2024-11-19 05:50:11,309 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 377 transitions, 3445 flow [2024-11-19 05:50:11,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:11,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:11,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1135 transitions. [2024-11-19 05:50:11,310 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7865557865557865 [2024-11-19 05:50:11,310 INFO L175 Difference]: Start difference. First operand has 243 places, 355 transitions, 3100 flow. Second operand 13 states and 1135 transitions. [2024-11-19 05:50:11,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 377 transitions, 3445 flow [2024-11-19 05:50:11,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 377 transitions, 3320 flow, removed 18 selfloop flow, removed 19 redundant places. [2024-11-19 05:50:11,391 INFO L231 Difference]: Finished difference. Result has 230 places, 362 transitions, 3174 flow [2024-11-19 05:50:11,391 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3008, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3174, PETRI_PLACES=230, PETRI_TRANSITIONS=362} [2024-11-19 05:50:11,392 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 116 predicate places. [2024-11-19 05:50:11,392 INFO L471 AbstractCegarLoop]: Abstraction has has 230 places, 362 transitions, 3174 flow [2024-11-19 05:50:11,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:11,393 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:11,393 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] [2024-11-19 05:50:11,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-19 05:50:11,393 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:11,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:11,393 INFO L85 PathProgramCache]: Analyzing trace with hash 160235840, now seen corresponding path program 11 times [2024-11-19 05:50:11,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:11,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762573206] [2024-11-19 05:50:11,393 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 05:50:11,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:11,404 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:11,404 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:11,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:11,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:11,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762573206] [2024-11-19 05:50:11,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762573206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:11,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:11,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:11,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893259050] [2024-11-19 05:50:11,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:11,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:11,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:11,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:11,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:12,138 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:12,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 362 transitions, 3174 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:12,139 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:12,139 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:12,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:12,868 INFO L124 PetriNetUnfolderBase]: 1356/4628 cut-off events. [2024-11-19 05:50:12,869 INFO L125 PetriNetUnfolderBase]: For 13710/13952 co-relation queries the response was YES. [2024-11-19 05:50:12,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16316 conditions, 4628 events. 1356/4628 cut-off events. For 13710/13952 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 44183 event pairs, 57 based on Foata normal form. 51/4660 useless extension candidates. Maximal degree in co-relation 16259. Up to 853 conditions per place. [2024-11-19 05:50:12,902 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 40 selfloop transitions, 51 changer transitions 3/380 dead transitions. [2024-11-19 05:50:12,902 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 380 transitions, 3474 flow [2024-11-19 05:50:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:12,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:12,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1122 transitions. [2024-11-19 05:50:12,903 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7775467775467776 [2024-11-19 05:50:12,903 INFO L175 Difference]: Start difference. First operand has 230 places, 362 transitions, 3174 flow. Second operand 13 states and 1122 transitions. [2024-11-19 05:50:12,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 380 transitions, 3474 flow [2024-11-19 05:50:12,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 380 transitions, 3410 flow, removed 3 selfloop flow, removed 8 redundant places. [2024-11-19 05:50:12,994 INFO L231 Difference]: Finished difference. Result has 236 places, 361 transitions, 3224 flow [2024-11-19 05:50:12,994 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3113, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3224, PETRI_PLACES=236, PETRI_TRANSITIONS=361} [2024-11-19 05:50:12,995 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 122 predicate places. [2024-11-19 05:50:12,995 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 361 transitions, 3224 flow [2024-11-19 05:50:12,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:12,995 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:12,995 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] [2024-11-19 05:50:12,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-19 05:50:12,996 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:12,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:12,996 INFO L85 PathProgramCache]: Analyzing trace with hash 927882332, now seen corresponding path program 12 times [2024-11-19 05:50:12,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:12,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742554843] [2024-11-19 05:50:12,996 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 05:50:12,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:13,006 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 05:50:13,007 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:13,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:13,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:13,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742554843] [2024-11-19 05:50:13,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742554843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:13,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:13,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:13,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45250239] [2024-11-19 05:50:13,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:13,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:13,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:13,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:13,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:13,875 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:13,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 361 transitions, 3224 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:13,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:13,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:13,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:14,478 INFO L124 PetriNetUnfolderBase]: 1088/3839 cut-off events. [2024-11-19 05:50:14,478 INFO L125 PetriNetUnfolderBase]: For 11591/11791 co-relation queries the response was YES. [2024-11-19 05:50:14,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13643 conditions, 3839 events. 1088/3839 cut-off events. For 11591/11791 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 35159 event pairs, 47 based on Foata normal form. 21/3845 useless extension candidates. Maximal degree in co-relation 13584. Up to 687 conditions per place. [2024-11-19 05:50:14,508 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 52 selfloop transitions, 28 changer transitions 6/372 dead transitions. [2024-11-19 05:50:14,508 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 372 transitions, 3436 flow [2024-11-19 05:50:14,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:14,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:14,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1130 transitions. [2024-11-19 05:50:14,509 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7830907830907831 [2024-11-19 05:50:14,509 INFO L175 Difference]: Start difference. First operand has 236 places, 361 transitions, 3224 flow. Second operand 13 states and 1130 transitions. [2024-11-19 05:50:14,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 372 transitions, 3436 flow [2024-11-19 05:50:14,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 372 transitions, 3353 flow, removed 4 selfloop flow, removed 11 redundant places. [2024-11-19 05:50:14,573 INFO L231 Difference]: Finished difference. Result has 237 places, 354 transitions, 3115 flow [2024-11-19 05:50:14,573 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3091, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3115, PETRI_PLACES=237, PETRI_TRANSITIONS=354} [2024-11-19 05:50:14,574 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 123 predicate places. [2024-11-19 05:50:14,574 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 354 transitions, 3115 flow [2024-11-19 05:50:14,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:14,574 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:14,575 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] [2024-11-19 05:50:14,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-19 05:50:14,575 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:14,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:14,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1537220490, now seen corresponding path program 13 times [2024-11-19 05:50:14,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:14,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438058442] [2024-11-19 05:50:14,575 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 05:50:14,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:14,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:14,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:14,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438058442] [2024-11-19 05:50:14,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438058442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:14,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:14,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:14,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242806695] [2024-11-19 05:50:14,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:14,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:14,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:14,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:14,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:15,287 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:15,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 354 transitions, 3115 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:15,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:15,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:15,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:15,861 INFO L124 PetriNetUnfolderBase]: 1085/3828 cut-off events. [2024-11-19 05:50:15,862 INFO L125 PetriNetUnfolderBase]: For 11295/11481 co-relation queries the response was YES. [2024-11-19 05:50:15,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13518 conditions, 3828 events. 1085/3828 cut-off events. For 11295/11481 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 35019 event pairs, 45 based on Foata normal form. 26/3839 useless extension candidates. Maximal degree in co-relation 13459. Up to 683 conditions per place. [2024-11-19 05:50:15,890 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 51 selfloop transitions, 37 changer transitions 2/376 dead transitions. [2024-11-19 05:50:15,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 376 transitions, 3444 flow [2024-11-19 05:50:15,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:15,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:15,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1125 transitions. [2024-11-19 05:50:15,892 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7796257796257796 [2024-11-19 05:50:15,892 INFO L175 Difference]: Start difference. First operand has 237 places, 354 transitions, 3115 flow. Second operand 13 states and 1125 transitions. [2024-11-19 05:50:15,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 376 transitions, 3444 flow [2024-11-19 05:50:15,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 376 transitions, 3365 flow, removed 10 selfloop flow, removed 13 redundant places. [2024-11-19 05:50:15,958 INFO L231 Difference]: Finished difference. Result has 234 places, 357 transitions, 3183 flow [2024-11-19 05:50:15,958 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3048, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3183, PETRI_PLACES=234, PETRI_TRANSITIONS=357} [2024-11-19 05:50:15,959 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 120 predicate places. [2024-11-19 05:50:15,959 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 357 transitions, 3183 flow [2024-11-19 05:50:15,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:15,960 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:15,960 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] [2024-11-19 05:50:15,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-19 05:50:15,960 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:15,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:15,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1561646848, now seen corresponding path program 14 times [2024-11-19 05:50:15,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:15,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574434255] [2024-11-19 05:50:15,961 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:50:15,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:15,973 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:15,973 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:16,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:16,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:16,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574434255] [2024-11-19 05:50:16,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574434255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:16,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:16,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:16,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146790568] [2024-11-19 05:50:16,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:16,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:16,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:16,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:16,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:16,713 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:16,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 357 transitions, 3183 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:16,715 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:16,715 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:16,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:17,219 INFO L124 PetriNetUnfolderBase]: 817/2991 cut-off events. [2024-11-19 05:50:17,220 INFO L125 PetriNetUnfolderBase]: For 8743/8881 co-relation queries the response was YES. [2024-11-19 05:50:17,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10571 conditions, 2991 events. 817/2991 cut-off events. For 8743/8881 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 25899 event pairs, 34 based on Foata normal form. 22/3002 useless extension candidates. Maximal degree in co-relation 10511. Up to 521 conditions per place. [2024-11-19 05:50:17,241 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 41 selfloop transitions, 36 changer transitions 8/351 dead transitions. [2024-11-19 05:50:17,241 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 351 transitions, 3102 flow [2024-11-19 05:50:17,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:17,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:17,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2024-11-19 05:50:17,242 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7782397782397782 [2024-11-19 05:50:17,242 INFO L175 Difference]: Start difference. First operand has 234 places, 357 transitions, 3183 flow. Second operand 13 states and 1123 transitions. [2024-11-19 05:50:17,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 351 transitions, 3102 flow [2024-11-19 05:50:17,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 351 transitions, 3034 flow, removed 10 selfloop flow, removed 10 redundant places. [2024-11-19 05:50:17,293 INFO L231 Difference]: Finished difference. Result has 237 places, 329 transitions, 2822 flow [2024-11-19 05:50:17,294 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2764, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2822, PETRI_PLACES=237, PETRI_TRANSITIONS=329} [2024-11-19 05:50:17,294 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 123 predicate places. [2024-11-19 05:50:17,295 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 329 transitions, 2822 flow [2024-11-19 05:50:17,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:17,295 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:17,295 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:17,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-19 05:50:17,296 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:17,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:17,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1599082624, now seen corresponding path program 15 times [2024-11-19 05:50:17,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:17,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261275306] [2024-11-19 05:50:17,296 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 05:50:17,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:17,308 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 05:50:17,308 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:17,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:17,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:17,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261275306] [2024-11-19 05:50:17,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261275306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:17,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:17,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:17,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390184637] [2024-11-19 05:50:17,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:17,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:17,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:17,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:17,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:18,063 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:18,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 329 transitions, 2822 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:18,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:18,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:18,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:18,468 INFO L124 PetriNetUnfolderBase]: 554/2141 cut-off events. [2024-11-19 05:50:18,468 INFO L125 PetriNetUnfolderBase]: For 5759/5864 co-relation queries the response was YES. [2024-11-19 05:50:18,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7407 conditions, 2141 events. 554/2141 cut-off events. For 5759/5864 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 16924 event pairs, 24 based on Foata normal form. 7/2140 useless extension candidates. Maximal degree in co-relation 7346. Up to 355 conditions per place. [2024-11-19 05:50:18,480 INFO L140 encePairwiseOnDemand]: 94/111 looper letters, 39 selfloop transitions, 20 changer transitions 8/289 dead transitions. [2024-11-19 05:50:18,480 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 289 transitions, 2287 flow [2024-11-19 05:50:18,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:18,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:18,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1115 transitions. [2024-11-19 05:50:18,482 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7726957726957727 [2024-11-19 05:50:18,482 INFO L175 Difference]: Start difference. First operand has 237 places, 329 transitions, 2822 flow. Second operand 13 states and 1115 transitions. [2024-11-19 05:50:18,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 289 transitions, 2287 flow [2024-11-19 05:50:18,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 289 transitions, 2116 flow, removed 53 selfloop flow, removed 28 redundant places. [2024-11-19 05:50:18,509 INFO L231 Difference]: Finished difference. Result has 209 places, 268 transitions, 1901 flow [2024-11-19 05:50:18,509 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1910, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1901, PETRI_PLACES=209, PETRI_TRANSITIONS=268} [2024-11-19 05:50:18,509 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 95 predicate places. [2024-11-19 05:50:18,509 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 268 transitions, 1901 flow [2024-11-19 05:50:18,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:18,510 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:18,510 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] [2024-11-19 05:50:18,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-19 05:50:18,510 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:18,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:18,511 INFO L85 PathProgramCache]: Analyzing trace with hash -800481570, now seen corresponding path program 16 times [2024-11-19 05:50:18,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:18,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117837239] [2024-11-19 05:50:18,511 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 05:50:18,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:18,526 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 05:50:18,527 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:18,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:18,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:18,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117837239] [2024-11-19 05:50:18,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117837239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:18,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:18,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-19 05:50:18,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757632825] [2024-11-19 05:50:18,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:18,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 05:50:18,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:18,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 05:50:18,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-19 05:50:19,343 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 111 [2024-11-19 05:50:19,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 268 transitions, 1901 flow. Second operand has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:19,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:19,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 111 [2024-11-19 05:50:19,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:20,278 INFO L124 PetriNetUnfolderBase]: 1178/3689 cut-off events. [2024-11-19 05:50:20,278 INFO L125 PetriNetUnfolderBase]: For 12006/12265 co-relation queries the response was YES. [2024-11-19 05:50:20,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13840 conditions, 3689 events. 1178/3689 cut-off events. For 12006/12265 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 31020 event pairs, 100 based on Foata normal form. 71/3737 useless extension candidates. Maximal degree in co-relation 13795. Up to 648 conditions per place. [2024-11-19 05:50:20,301 INFO L140 encePairwiseOnDemand]: 88/111 looper letters, 447 selfloop transitions, 112 changer transitions 34/688 dead transitions. [2024-11-19 05:50:20,301 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 688 transitions, 6797 flow [2024-11-19 05:50:20,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 05:50:20,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-19 05:50:20,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1569 transitions. [2024-11-19 05:50:20,303 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7439544807965861 [2024-11-19 05:50:20,303 INFO L175 Difference]: Start difference. First operand has 209 places, 268 transitions, 1901 flow. Second operand 19 states and 1569 transitions. [2024-11-19 05:50:20,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 688 transitions, 6797 flow [2024-11-19 05:50:20,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 688 transitions, 6661 flow, removed 9 selfloop flow, removed 14 redundant places. [2024-11-19 05:50:20,343 INFO L231 Difference]: Finished difference. Result has 214 places, 356 transitions, 3174 flow [2024-11-19 05:50:20,343 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1825, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=3174, PETRI_PLACES=214, PETRI_TRANSITIONS=356} [2024-11-19 05:50:20,343 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 100 predicate places. [2024-11-19 05:50:20,343 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 356 transitions, 3174 flow [2024-11-19 05:50:20,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:20,344 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:20,344 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] [2024-11-19 05:50:20,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-19 05:50:20,348 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:20,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:20,348 INFO L85 PathProgramCache]: Analyzing trace with hash 241982272, now seen corresponding path program 17 times [2024-11-19 05:50:20,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:20,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398831462] [2024-11-19 05:50:20,349 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 05:50:20,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:20,373 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:20,373 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:20,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:20,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:20,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398831462] [2024-11-19 05:50:20,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398831462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:20,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:20,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:20,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520473527] [2024-11-19 05:50:20,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:20,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:20,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:20,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:20,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:21,080 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:21,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 356 transitions, 3174 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:21,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:21,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:21,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:21,596 INFO L124 PetriNetUnfolderBase]: 872/3064 cut-off events. [2024-11-19 05:50:21,596 INFO L125 PetriNetUnfolderBase]: For 9144/9310 co-relation queries the response was YES. [2024-11-19 05:50:21,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10919 conditions, 3064 events. 872/3064 cut-off events. For 9144/9310 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 26487 event pairs, 35 based on Foata normal form. 27/3081 useless extension candidates. Maximal degree in co-relation 10869. Up to 536 conditions per place. [2024-11-19 05:50:21,614 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 36 selfloop transitions, 33 changer transitions 10/371 dead transitions. [2024-11-19 05:50:21,614 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 371 transitions, 3418 flow [2024-11-19 05:50:21,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:21,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:21,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1122 transitions. [2024-11-19 05:50:21,615 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7775467775467776 [2024-11-19 05:50:21,615 INFO L175 Difference]: Start difference. First operand has 214 places, 356 transitions, 3174 flow. Second operand 13 states and 1122 transitions. [2024-11-19 05:50:21,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 371 transitions, 3418 flow [2024-11-19 05:50:21,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 371 transitions, 3357 flow, removed 13 selfloop flow, removed 6 redundant places. [2024-11-19 05:50:21,656 INFO L231 Difference]: Finished difference. Result has 221 places, 350 transitions, 3123 flow [2024-11-19 05:50:21,656 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3115, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3123, PETRI_PLACES=221, PETRI_TRANSITIONS=350} [2024-11-19 05:50:21,656 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 107 predicate places. [2024-11-19 05:50:21,656 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 350 transitions, 3123 flow [2024-11-19 05:50:21,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:21,657 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:21,657 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] [2024-11-19 05:50:21,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-19 05:50:21,657 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:21,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:21,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1832667520, now seen corresponding path program 1 times [2024-11-19 05:50:21,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:21,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020981325] [2024-11-19 05:50:21,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:21,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:21,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:21,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:21,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020981325] [2024-11-19 05:50:21,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020981325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:21,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:21,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:21,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340795717] [2024-11-19 05:50:21,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:21,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:21,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:21,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:21,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:22,452 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:22,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 350 transitions, 3123 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:22,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:22,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:22,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:22,876 INFO L124 PetriNetUnfolderBase]: 552/2095 cut-off events. [2024-11-19 05:50:22,876 INFO L125 PetriNetUnfolderBase]: For 5940/6053 co-relation queries the response was YES. [2024-11-19 05:50:22,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7303 conditions, 2095 events. 552/2095 cut-off events. For 5940/6053 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 16491 event pairs, 24 based on Foata normal form. 13/2102 useless extension candidates. Maximal degree in co-relation 7252. Up to 353 conditions per place. [2024-11-19 05:50:22,889 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 34 selfloop transitions, 22 changer transitions 6/307 dead transitions. [2024-11-19 05:50:22,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 307 transitions, 2612 flow [2024-11-19 05:50:22,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:22,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:22,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1121 transitions. [2024-11-19 05:50:22,890 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7768537768537769 [2024-11-19 05:50:22,890 INFO L175 Difference]: Start difference. First operand has 221 places, 350 transitions, 3123 flow. Second operand 13 states and 1121 transitions. [2024-11-19 05:50:22,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 307 transitions, 2612 flow [2024-11-19 05:50:22,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 307 transitions, 2491 flow, removed 35 selfloop flow, removed 17 redundant places. [2024-11-19 05:50:22,942 INFO L231 Difference]: Finished difference. Result has 209 places, 292 transitions, 2316 flow [2024-11-19 05:50:22,942 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2325, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2316, PETRI_PLACES=209, PETRI_TRANSITIONS=292} [2024-11-19 05:50:22,943 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 95 predicate places. [2024-11-19 05:50:22,943 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 292 transitions, 2316 flow [2024-11-19 05:50:22,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:22,943 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:22,943 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] [2024-11-19 05:50:22,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-19 05:50:22,943 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:22,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:22,944 INFO L85 PathProgramCache]: Analyzing trace with hash 561788662, now seen corresponding path program 18 times [2024-11-19 05:50:22,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:22,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255121721] [2024-11-19 05:50:22,944 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 05:50:22,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:22,957 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 05:50:22,957 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:23,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:23,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:23,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255121721] [2024-11-19 05:50:23,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255121721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:23,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:23,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:23,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692063434] [2024-11-19 05:50:23,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:23,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:23,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:23,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:23,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:23,695 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:23,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 292 transitions, 2316 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:23,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:23,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:23,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:24,015 INFO L124 PetriNetUnfolderBase]: 281/1213 cut-off events. [2024-11-19 05:50:24,015 INFO L125 PetriNetUnfolderBase]: For 2609/2676 co-relation queries the response was YES. [2024-11-19 05:50:24,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3901 conditions, 1213 events. 281/1213 cut-off events. For 2609/2676 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 8072 event pairs, 14 based on Foata normal form. 8/1218 useless extension candidates. Maximal degree in co-relation 3857. Up to 185 conditions per place. [2024-11-19 05:50:24,021 INFO L140 encePairwiseOnDemand]: 94/111 looper letters, 27 selfloop transitions, 13 changer transitions 14/280 dead transitions. [2024-11-19 05:50:24,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 280 transitions, 2133 flow [2024-11-19 05:50:24,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:24,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:24,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1115 transitions. [2024-11-19 05:50:24,023 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7726957726957727 [2024-11-19 05:50:24,023 INFO L175 Difference]: Start difference. First operand has 209 places, 292 transitions, 2316 flow. Second operand 13 states and 1115 transitions. [2024-11-19 05:50:24,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 280 transitions, 2133 flow [2024-11-19 05:50:24,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 280 transitions, 2062 flow, removed 12 selfloop flow, removed 15 redundant places. [2024-11-19 05:50:24,036 INFO L231 Difference]: Finished difference. Result has 201 places, 258 transitions, 1841 flow [2024-11-19 05:50:24,037 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1897, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1841, PETRI_PLACES=201, PETRI_TRANSITIONS=258} [2024-11-19 05:50:24,037 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 87 predicate places. [2024-11-19 05:50:24,037 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 258 transitions, 1841 flow [2024-11-19 05:50:24,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:24,037 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:24,038 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] [2024-11-19 05:50:24,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-19 05:50:24,038 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:24,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:24,038 INFO L85 PathProgramCache]: Analyzing trace with hash -808000192, now seen corresponding path program 19 times [2024-11-19 05:50:24,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:24,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101952958] [2024-11-19 05:50:24,038 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 05:50:24,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:24,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:24,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:24,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101952958] [2024-11-19 05:50:24,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101952958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:24,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:24,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:24,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270953385] [2024-11-19 05:50:24,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:24,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:24,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:24,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:24,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:24,879 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:24,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 258 transitions, 1841 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:24,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:24,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:24,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:25,182 INFO L124 PetriNetUnfolderBase]: 284/1251 cut-off events. [2024-11-19 05:50:25,182 INFO L125 PetriNetUnfolderBase]: For 2562/2605 co-relation queries the response was YES. [2024-11-19 05:50:25,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3971 conditions, 1251 events. 284/1251 cut-off events. For 2562/2605 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 8574 event pairs, 18 based on Foata normal form. 9/1258 useless extension candidates. Maximal degree in co-relation 3931. Up to 207 conditions per place. [2024-11-19 05:50:25,187 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 29 selfloop transitions, 15 changer transitions 19/287 dead transitions. [2024-11-19 05:50:25,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 287 transitions, 2168 flow [2024-11-19 05:50:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:25,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:25,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2024-11-19 05:50:25,188 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7782397782397782 [2024-11-19 05:50:25,188 INFO L175 Difference]: Start difference. First operand has 201 places, 258 transitions, 1841 flow. Second operand 13 states and 1123 transitions. [2024-11-19 05:50:25,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 287 transitions, 2168 flow [2024-11-19 05:50:25,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 287 transitions, 1982 flow, removed 4 selfloop flow, removed 17 redundant places. [2024-11-19 05:50:25,201 INFO L231 Difference]: Finished difference. Result has 185 places, 255 transitions, 1777 flow [2024-11-19 05:50:25,201 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1755, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1777, PETRI_PLACES=185, PETRI_TRANSITIONS=255} [2024-11-19 05:50:25,202 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 71 predicate places. [2024-11-19 05:50:25,202 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 255 transitions, 1777 flow [2024-11-19 05:50:25,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:25,202 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:25,202 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] [2024-11-19 05:50:25,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-19 05:50:25,203 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:25,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:25,203 INFO L85 PathProgramCache]: Analyzing trace with hash 436745674, now seen corresponding path program 20 times [2024-11-19 05:50:25,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:25,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247340460] [2024-11-19 05:50:25,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:50:25,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:25,212 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:25,212 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:25,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:25,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:25,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247340460] [2024-11-19 05:50:25,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247340460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:25,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:25,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:25,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876982429] [2024-11-19 05:50:25,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:25,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:25,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:25,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:25,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:26,160 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:26,161 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 255 transitions, 1777 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:26,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:26,161 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:26,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:26,539 INFO L124 PetriNetUnfolderBase]: 527/1966 cut-off events. [2024-11-19 05:50:26,540 INFO L125 PetriNetUnfolderBase]: For 3861/3962 co-relation queries the response was YES. [2024-11-19 05:50:26,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6236 conditions, 1966 events. 527/1966 cut-off events. For 3861/3962 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 15113 event pairs, 21 based on Foata normal form. 11/1972 useless extension candidates. Maximal degree in co-relation 6198. Up to 341 conditions per place. [2024-11-19 05:50:26,549 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 28 selfloop transitions, 22 changer transitions 2/276 dead transitions. [2024-11-19 05:50:26,549 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 276 transitions, 1978 flow [2024-11-19 05:50:26,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:26,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:26,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1117 transitions. [2024-11-19 05:50:26,550 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.774081774081774 [2024-11-19 05:50:26,550 INFO L175 Difference]: Start difference. First operand has 185 places, 255 transitions, 1777 flow. Second operand 13 states and 1117 transitions. [2024-11-19 05:50:26,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 276 transitions, 1978 flow [2024-11-19 05:50:26,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 276 transitions, 1912 flow, removed 6 selfloop flow, removed 12 redundant places. [2024-11-19 05:50:26,566 INFO L231 Difference]: Finished difference. Result has 185 places, 261 transitions, 1837 flow [2024-11-19 05:50:26,566 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1738, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1837, PETRI_PLACES=185, PETRI_TRANSITIONS=261} [2024-11-19 05:50:26,567 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 71 predicate places. [2024-11-19 05:50:26,567 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 261 transitions, 1837 flow [2024-11-19 05:50:26,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:26,567 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:26,567 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] [2024-11-19 05:50:26,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-19 05:50:26,568 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:26,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:26,568 INFO L85 PathProgramCache]: Analyzing trace with hash 2007155008, now seen corresponding path program 10 times [2024-11-19 05:50:26,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:26,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511811804] [2024-11-19 05:50:26,568 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 05:50:26,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:26,580 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 05:50:26,580 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:26,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:26,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:26,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511811804] [2024-11-19 05:50:26,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511811804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:26,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:26,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:26,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509076557] [2024-11-19 05:50:26,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:26,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:26,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:26,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:26,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:27,342 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:27,343 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 261 transitions, 1837 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:27,343 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:27,343 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:27,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:27,812 INFO L124 PetriNetUnfolderBase]: 800/2898 cut-off events. [2024-11-19 05:50:27,812 INFO L125 PetriNetUnfolderBase]: For 6176/6306 co-relation queries the response was YES. [2024-11-19 05:50:27,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9435 conditions, 2898 events. 800/2898 cut-off events. For 6176/6306 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 24845 event pairs, 36 based on Foata normal form. 16/2908 useless extension candidates. Maximal degree in co-relation 9397. Up to 536 conditions per place. [2024-11-19 05:50:27,838 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 39 selfloop transitions, 20 changer transitions 7/290 dead transitions. [2024-11-19 05:50:27,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 290 transitions, 2133 flow [2024-11-19 05:50:27,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:27,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:27,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1121 transitions. [2024-11-19 05:50:27,839 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7768537768537769 [2024-11-19 05:50:27,839 INFO L175 Difference]: Start difference. First operand has 185 places, 261 transitions, 1837 flow. Second operand 13 states and 1121 transitions. [2024-11-19 05:50:27,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 290 transitions, 2133 flow [2024-11-19 05:50:27,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 290 transitions, 2076 flow, removed 2 selfloop flow, removed 9 redundant places. [2024-11-19 05:50:27,872 INFO L231 Difference]: Finished difference. Result has 192 places, 267 transitions, 1914 flow [2024-11-19 05:50:27,873 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1806, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1914, PETRI_PLACES=192, PETRI_TRANSITIONS=267} [2024-11-19 05:50:27,873 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 78 predicate places. [2024-11-19 05:50:27,873 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 267 transitions, 1914 flow [2024-11-19 05:50:27,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:27,874 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:27,874 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] [2024-11-19 05:50:27,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-19 05:50:27,874 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:27,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:27,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1894790072, now seen corresponding path program 11 times [2024-11-19 05:50:27,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:27,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499701735] [2024-11-19 05:50:27,875 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 05:50:27,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:27,887 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:27,887 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:28,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:28,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:28,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499701735] [2024-11-19 05:50:28,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499701735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:28,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:28,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:28,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861975755] [2024-11-19 05:50:28,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:28,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:28,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:28,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:28,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:28,545 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:28,546 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 267 transitions, 1914 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:28,546 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:28,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:28,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:29,066 INFO L124 PetriNetUnfolderBase]: 1066/3727 cut-off events. [2024-11-19 05:50:29,066 INFO L125 PetriNetUnfolderBase]: For 8777/8995 co-relation queries the response was YES. [2024-11-19 05:50:29,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12382 conditions, 3727 events. 1066/3727 cut-off events. For 8777/8995 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 33748 event pairs, 44 based on Foata normal form. 18/3736 useless extension candidates. Maximal degree in co-relation 12340. Up to 687 conditions per place. [2024-11-19 05:50:29,091 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 35 selfloop transitions, 27 changer transitions 3/289 dead transitions. [2024-11-19 05:50:29,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 289 transitions, 2193 flow [2024-11-19 05:50:29,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:29,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:29,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1121 transitions. [2024-11-19 05:50:29,092 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7768537768537769 [2024-11-19 05:50:29,092 INFO L175 Difference]: Start difference. First operand has 192 places, 267 transitions, 1914 flow. Second operand 13 states and 1121 transitions. [2024-11-19 05:50:29,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 289 transitions, 2193 flow [2024-11-19 05:50:29,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 289 transitions, 2141 flow, removed 8 selfloop flow, removed 9 redundant places. [2024-11-19 05:50:29,135 INFO L231 Difference]: Finished difference. Result has 198 places, 275 transitions, 2029 flow [2024-11-19 05:50:29,135 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1878, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2029, PETRI_PLACES=198, PETRI_TRANSITIONS=275} [2024-11-19 05:50:29,135 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 84 predicate places. [2024-11-19 05:50:29,136 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 275 transitions, 2029 flow [2024-11-19 05:50:29,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:29,136 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:29,136 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] [2024-11-19 05:50:29,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-19 05:50:29,136 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:29,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:29,137 INFO L85 PathProgramCache]: Analyzing trace with hash -916589858, now seen corresponding path program 12 times [2024-11-19 05:50:29,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:29,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549652226] [2024-11-19 05:50:29,137 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 05:50:29,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:29,148 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 05:50:29,149 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:29,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:29,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:29,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549652226] [2024-11-19 05:50:29,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549652226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:29,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:29,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:29,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781273256] [2024-11-19 05:50:29,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:29,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:29,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:29,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:29,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:29,812 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:29,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 275 transitions, 2029 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:29,814 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:29,814 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:29,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:30,431 INFO L124 PetriNetUnfolderBase]: 1341/4672 cut-off events. [2024-11-19 05:50:30,431 INFO L125 PetriNetUnfolderBase]: For 11944/12216 co-relation queries the response was YES. [2024-11-19 05:50:30,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15860 conditions, 4672 events. 1341/4672 cut-off events. For 11944/12216 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 44417 event pairs, 66 based on Foata normal form. 23/4684 useless extension candidates. Maximal degree in co-relation 15815. Up to 865 conditions per place. [2024-11-19 05:50:30,468 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 50 selfloop transitions, 25 changer transitions 6/305 dead transitions. [2024-11-19 05:50:30,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 305 transitions, 2414 flow [2024-11-19 05:50:30,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:30,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:30,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1127 transitions. [2024-11-19 05:50:30,469 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.781011781011781 [2024-11-19 05:50:30,469 INFO L175 Difference]: Start difference. First operand has 198 places, 275 transitions, 2029 flow. Second operand 13 states and 1127 transitions. [2024-11-19 05:50:30,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 305 transitions, 2414 flow [2024-11-19 05:50:30,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 305 transitions, 2357 flow, removed 8 selfloop flow, removed 8 redundant places. [2024-11-19 05:50:30,522 INFO L231 Difference]: Finished difference. Result has 207 places, 282 transitions, 2141 flow [2024-11-19 05:50:30,523 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1985, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2141, PETRI_PLACES=207, PETRI_TRANSITIONS=282} [2024-11-19 05:50:30,523 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 93 predicate places. [2024-11-19 05:50:30,523 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 282 transitions, 2141 flow [2024-11-19 05:50:30,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:30,523 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:30,523 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] [2024-11-19 05:50:30,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-19 05:50:30,524 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:30,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:30,524 INFO L85 PathProgramCache]: Analyzing trace with hash -547508598, now seen corresponding path program 13 times [2024-11-19 05:50:30,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:30,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429140465] [2024-11-19 05:50:30,524 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 05:50:30,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:30,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:30,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:30,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429140465] [2024-11-19 05:50:30,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429140465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:30,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:30,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:30,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621851572] [2024-11-19 05:50:30,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:30,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:30,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:30,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:30,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:31,221 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:31,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 282 transitions, 2141 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:31,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:31,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:31,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:31,817 INFO L124 PetriNetUnfolderBase]: 1341/4682 cut-off events. [2024-11-19 05:50:31,817 INFO L125 PetriNetUnfolderBase]: For 12670/12926 co-relation queries the response was YES. [2024-11-19 05:50:31,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16053 conditions, 4682 events. 1341/4682 cut-off events. For 12670/12926 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 44602 event pairs, 58 based on Foata normal form. 32/4704 useless extension candidates. Maximal degree in co-relation 16003. Up to 885 conditions per place. [2024-11-19 05:50:31,847 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 47 selfloop transitions, 29 changer transitions 10/308 dead transitions. [2024-11-19 05:50:31,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 308 transitions, 2517 flow [2024-11-19 05:50:31,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:31,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:31,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1120 transitions. [2024-11-19 05:50:31,848 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7761607761607762 [2024-11-19 05:50:31,848 INFO L175 Difference]: Start difference. First operand has 207 places, 282 transitions, 2141 flow. Second operand 13 states and 1120 transitions. [2024-11-19 05:50:31,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 308 transitions, 2517 flow [2024-11-19 05:50:31,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 308 transitions, 2446 flow, removed 22 selfloop flow, removed 8 redundant places. [2024-11-19 05:50:31,897 INFO L231 Difference]: Finished difference. Result has 214 places, 281 transitions, 2175 flow [2024-11-19 05:50:31,898 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2089, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2175, PETRI_PLACES=214, PETRI_TRANSITIONS=281} [2024-11-19 05:50:31,898 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 100 predicate places. [2024-11-19 05:50:31,898 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 281 transitions, 2175 flow [2024-11-19 05:50:31,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:31,899 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:31,899 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] [2024-11-19 05:50:31,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-19 05:50:31,899 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:31,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:31,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1563784084, now seen corresponding path program 14 times [2024-11-19 05:50:31,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:31,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886792155] [2024-11-19 05:50:31,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:50:31,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:31,910 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:31,910 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:32,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:32,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:32,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886792155] [2024-11-19 05:50:32,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886792155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:32,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:32,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:32,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317477077] [2024-11-19 05:50:32,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:32,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:32,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:32,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:32,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:32,557 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:32,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 281 transitions, 2175 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:32,558 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:32,558 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:32,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:33,163 INFO L124 PetriNetUnfolderBase]: 1331/4559 cut-off events. [2024-11-19 05:50:33,163 INFO L125 PetriNetUnfolderBase]: For 13041/13307 co-relation queries the response was YES. [2024-11-19 05:50:33,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15830 conditions, 4559 events. 1331/4559 cut-off events. For 13041/13307 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 43127 event pairs, 60 based on Foata normal form. 21/4570 useless extension candidates. Maximal degree in co-relation 15777. Up to 837 conditions per place. [2024-11-19 05:50:33,199 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 43 selfloop transitions, 28 changer transitions 1/294 dead transitions. [2024-11-19 05:50:33,199 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 294 transitions, 2443 flow [2024-11-19 05:50:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:33,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:33,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1122 transitions. [2024-11-19 05:50:33,201 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7775467775467776 [2024-11-19 05:50:33,201 INFO L175 Difference]: Start difference. First operand has 214 places, 281 transitions, 2175 flow. Second operand 13 states and 1122 transitions. [2024-11-19 05:50:33,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 294 transitions, 2443 flow [2024-11-19 05:50:33,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 294 transitions, 2310 flow, removed 27 selfloop flow, removed 13 redundant places. [2024-11-19 05:50:33,251 INFO L231 Difference]: Finished difference. Result has 215 places, 286 transitions, 2205 flow [2024-11-19 05:50:33,252 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2074, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2205, PETRI_PLACES=215, PETRI_TRANSITIONS=286} [2024-11-19 05:50:33,252 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 101 predicate places. [2024-11-19 05:50:33,253 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 286 transitions, 2205 flow [2024-11-19 05:50:33,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:33,253 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:33,253 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] [2024-11-19 05:50:33,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-19 05:50:33,253 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:33,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:33,254 INFO L85 PathProgramCache]: Analyzing trace with hash 711019120, now seen corresponding path program 15 times [2024-11-19 05:50:33,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:33,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525729082] [2024-11-19 05:50:33,254 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 05:50:33,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:33,264 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 05:50:33,264 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:33,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:33,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:33,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525729082] [2024-11-19 05:50:33,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525729082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:33,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:33,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:33,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640549747] [2024-11-19 05:50:33,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:33,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:33,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:33,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:33,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:33,951 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:33,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 286 transitions, 2205 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:33,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:33,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:33,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:34,621 INFO L124 PetriNetUnfolderBase]: 1595/5447 cut-off events. [2024-11-19 05:50:34,621 INFO L125 PetriNetUnfolderBase]: For 15534/15805 co-relation queries the response was YES. [2024-11-19 05:50:34,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18823 conditions, 5447 events. 1595/5447 cut-off events. For 15534/15805 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 53655 event pairs, 71 based on Foata normal form. 21/5456 useless extension candidates. Maximal degree in co-relation 18770. Up to 1016 conditions per place. [2024-11-19 05:50:34,660 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 50 selfloop transitions, 28 changer transitions 5/305 dead transitions. [2024-11-19 05:50:34,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 305 transitions, 2561 flow [2024-11-19 05:50:34,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:34,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:34,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2024-11-19 05:50:34,661 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7782397782397782 [2024-11-19 05:50:34,661 INFO L175 Difference]: Start difference. First operand has 215 places, 286 transitions, 2205 flow. Second operand 13 states and 1123 transitions. [2024-11-19 05:50:34,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 305 transitions, 2561 flow [2024-11-19 05:50:34,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 305 transitions, 2461 flow, removed 32 selfloop flow, removed 8 redundant places. [2024-11-19 05:50:34,724 INFO L231 Difference]: Finished difference. Result has 222 places, 292 transitions, 2291 flow [2024-11-19 05:50:34,724 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2144, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2291, PETRI_PLACES=222, PETRI_TRANSITIONS=292} [2024-11-19 05:50:34,724 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 108 predicate places. [2024-11-19 05:50:34,725 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 292 transitions, 2291 flow [2024-11-19 05:50:34,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:34,725 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:34,725 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] [2024-11-19 05:50:34,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-19 05:50:34,725 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:34,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:34,726 INFO L85 PathProgramCache]: Analyzing trace with hash 2081631608, now seen corresponding path program 16 times [2024-11-19 05:50:34,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:34,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224201331] [2024-11-19 05:50:34,726 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 05:50:34,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:34,736 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 05:50:34,737 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:34,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:34,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:34,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224201331] [2024-11-19 05:50:34,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224201331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:34,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:34,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-19 05:50:34,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041636045] [2024-11-19 05:50:34,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:34,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 05:50:34,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:34,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 05:50:34,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-19 05:50:35,520 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 111 [2024-11-19 05:50:35,521 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 292 transitions, 2291 flow. Second operand has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:35,521 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:35,521 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 111 [2024-11-19 05:50:35,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:36,930 INFO L124 PetriNetUnfolderBase]: 2473/7474 cut-off events. [2024-11-19 05:50:36,930 INFO L125 PetriNetUnfolderBase]: For 32229/33004 co-relation queries the response was YES. [2024-11-19 05:50:36,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29913 conditions, 7474 events. 2473/7474 cut-off events. For 32229/33004 co-relation queries the response was YES. Maximal size of possible extension queue 435. Compared 73518 event pairs, 311 based on Foata normal form. 148/7573 useless extension candidates. Maximal degree in co-relation 29857. Up to 1383 conditions per place. [2024-11-19 05:50:36,975 INFO L140 encePairwiseOnDemand]: 88/111 looper letters, 567 selfloop transitions, 140 changer transitions 27/826 dead transitions. [2024-11-19 05:50:36,975 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 826 transitions, 8775 flow [2024-11-19 05:50:36,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 05:50:36,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-19 05:50:36,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1652 transitions. [2024-11-19 05:50:36,977 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7441441441441441 [2024-11-19 05:50:36,977 INFO L175 Difference]: Start difference. First operand has 222 places, 292 transitions, 2291 flow. Second operand 20 states and 1652 transitions. [2024-11-19 05:50:36,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 826 transitions, 8775 flow [2024-11-19 05:50:37,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 826 transitions, 8721 flow, removed 5 selfloop flow, removed 9 redundant places. [2024-11-19 05:50:37,083 INFO L231 Difference]: Finished difference. Result has 241 places, 400 transitions, 4081 flow [2024-11-19 05:50:37,084 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2249, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=4081, PETRI_PLACES=241, PETRI_TRANSITIONS=400} [2024-11-19 05:50:37,084 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 127 predicate places. [2024-11-19 05:50:37,084 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 400 transitions, 4081 flow [2024-11-19 05:50:37,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:37,084 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:37,085 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] [2024-11-19 05:50:37,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-19 05:50:37,085 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:37,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:37,085 INFO L85 PathProgramCache]: Analyzing trace with hash 548065722, now seen corresponding path program 17 times [2024-11-19 05:50:37,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:37,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171350758] [2024-11-19 05:50:37,085 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 05:50:37,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:37,096 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:37,096 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:37,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:37,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:37,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171350758] [2024-11-19 05:50:37,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171350758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:37,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:37,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:37,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050848309] [2024-11-19 05:50:37,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:37,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:37,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:37,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:37,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:37,873 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:37,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 400 transitions, 4081 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:37,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:37,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:37,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:38,610 INFO L124 PetriNetUnfolderBase]: 1638/5611 cut-off events. [2024-11-19 05:50:38,610 INFO L125 PetriNetUnfolderBase]: For 20504/20818 co-relation queries the response was YES. [2024-11-19 05:50:38,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20636 conditions, 5611 events. 1638/5611 cut-off events. For 20504/20818 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 55502 event pairs, 72 based on Foata normal form. 21/5619 useless extension candidates. Maximal degree in co-relation 20571. Up to 1051 conditions per place. [2024-11-19 05:50:38,654 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 56 selfloop transitions, 24 changer transitions 9/407 dead transitions. [2024-11-19 05:50:38,654 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 407 transitions, 4283 flow [2024-11-19 05:50:38,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:38,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:38,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1119 transitions. [2024-11-19 05:50:38,655 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7754677754677755 [2024-11-19 05:50:38,655 INFO L175 Difference]: Start difference. First operand has 241 places, 400 transitions, 4081 flow. Second operand 13 states and 1119 transitions. [2024-11-19 05:50:38,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 407 transitions, 4283 flow [2024-11-19 05:50:38,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 407 transitions, 4187 flow, removed 17 selfloop flow, removed 7 redundant places. [2024-11-19 05:50:38,762 INFO L231 Difference]: Finished difference. Result has 248 places, 394 transitions, 3956 flow [2024-11-19 05:50:38,762 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3923, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3956, PETRI_PLACES=248, PETRI_TRANSITIONS=394} [2024-11-19 05:50:38,762 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 134 predicate places. [2024-11-19 05:50:38,763 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 394 transitions, 3956 flow [2024-11-19 05:50:38,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:38,763 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:38,763 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] [2024-11-19 05:50:38,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-19 05:50:38,763 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:38,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:38,764 INFO L85 PathProgramCache]: Analyzing trace with hash -591192638, now seen corresponding path program 18 times [2024-11-19 05:50:38,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:38,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917985312] [2024-11-19 05:50:38,764 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 05:50:38,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:38,774 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 05:50:38,774 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:38,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:38,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:38,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917985312] [2024-11-19 05:50:38,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917985312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:38,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:38,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:38,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193788526] [2024-11-19 05:50:38,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:38,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:38,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:38,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:38,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:39,443 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:39,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 394 transitions, 3956 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:39,444 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:39,444 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:39,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:40,245 INFO L124 PetriNetUnfolderBase]: 1637/5546 cut-off events. [2024-11-19 05:50:40,246 INFO L125 PetriNetUnfolderBase]: For 19488/19783 co-relation queries the response was YES. [2024-11-19 05:50:40,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20171 conditions, 5546 events. 1637/5546 cut-off events. For 19488/19783 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 54738 event pairs, 72 based on Foata normal form. 37/5571 useless extension candidates. Maximal degree in co-relation 20105. Up to 1049 conditions per place. [2024-11-19 05:50:40,293 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 46 selfloop transitions, 35 changer transitions 8/402 dead transitions. [2024-11-19 05:50:40,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 402 transitions, 4216 flow [2024-11-19 05:50:40,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:40,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:40,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1122 transitions. [2024-11-19 05:50:40,295 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7775467775467776 [2024-11-19 05:50:40,295 INFO L175 Difference]: Start difference. First operand has 248 places, 394 transitions, 3956 flow. Second operand 13 states and 1122 transitions. [2024-11-19 05:50:40,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 402 transitions, 4216 flow [2024-11-19 05:50:40,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 402 transitions, 4126 flow, removed 16 selfloop flow, removed 15 redundant places. [2024-11-19 05:50:40,405 INFO L231 Difference]: Finished difference. Result has 244 places, 390 transitions, 3939 flow [2024-11-19 05:50:40,405 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3887, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3939, PETRI_PLACES=244, PETRI_TRANSITIONS=390} [2024-11-19 05:50:40,406 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 130 predicate places. [2024-11-19 05:50:40,406 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 390 transitions, 3939 flow [2024-11-19 05:50:40,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:40,406 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:40,407 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] [2024-11-19 05:50:40,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-19 05:50:40,407 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:40,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:40,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1834247090, now seen corresponding path program 19 times [2024-11-19 05:50:40,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:40,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964071113] [2024-11-19 05:50:40,407 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 05:50:40,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:40,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:40,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:40,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964071113] [2024-11-19 05:50:40,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964071113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:40,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:40,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:40,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569322945] [2024-11-19 05:50:40,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:40,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:40,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:40,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:40,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:41,114 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:41,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 390 transitions, 3939 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:41,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:41,115 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:41,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:41,841 INFO L124 PetriNetUnfolderBase]: 1366/4734 cut-off events. [2024-11-19 05:50:41,842 INFO L125 PetriNetUnfolderBase]: For 16326/16573 co-relation queries the response was YES. [2024-11-19 05:50:41,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17243 conditions, 4734 events. 1366/4734 cut-off events. For 16326/16573 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 45185 event pairs, 61 based on Foata normal form. 17/4741 useless extension candidates. Maximal degree in co-relation 17178. Up to 876 conditions per place. [2024-11-19 05:50:41,866 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 46 selfloop transitions, 27 changer transitions 8/375 dead transitions. [2024-11-19 05:50:41,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 375 transitions, 3786 flow [2024-11-19 05:50:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:41,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:41,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2024-11-19 05:50:41,868 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7782397782397782 [2024-11-19 05:50:41,868 INFO L175 Difference]: Start difference. First operand has 244 places, 390 transitions, 3939 flow. Second operand 13 states and 1123 transitions. [2024-11-19 05:50:41,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 375 transitions, 3786 flow [2024-11-19 05:50:41,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 375 transitions, 3724 flow, removed 8 selfloop flow, removed 9 redundant places. [2024-11-19 05:50:41,938 INFO L231 Difference]: Finished difference. Result has 246 places, 365 transitions, 3523 flow [2024-11-19 05:50:41,938 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3526, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3523, PETRI_PLACES=246, PETRI_TRANSITIONS=365} [2024-11-19 05:50:41,939 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 132 predicate places. [2024-11-19 05:50:41,939 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 365 transitions, 3523 flow [2024-11-19 05:50:41,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:41,939 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:41,939 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:41,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-19 05:50:41,939 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:41,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:41,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1064633108, now seen corresponding path program 20 times [2024-11-19 05:50:41,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:41,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727916809] [2024-11-19 05:50:41,940 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:50:41,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:41,950 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:41,950 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:42,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:42,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:42,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727916809] [2024-11-19 05:50:42,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727916809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:42,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:42,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:42,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527593379] [2024-11-19 05:50:42,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:42,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:42,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:42,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:42,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:42,598 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:42,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 365 transitions, 3523 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:42,599 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:42,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:42,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:43,337 INFO L124 PetriNetUnfolderBase]: 1061/3738 cut-off events. [2024-11-19 05:50:43,338 INFO L125 PetriNetUnfolderBase]: For 12017/12208 co-relation queries the response was YES. [2024-11-19 05:50:43,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13371 conditions, 3738 events. 1061/3738 cut-off events. For 12017/12208 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 33894 event pairs, 52 based on Foata normal form. 14/3744 useless extension candidates. Maximal degree in co-relation 13306. Up to 680 conditions per place. [2024-11-19 05:50:43,379 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 37 selfloop transitions, 19 changer transitions 9/308 dead transitions. [2024-11-19 05:50:43,380 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 308 transitions, 2793 flow [2024-11-19 05:50:43,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:43,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:43,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1115 transitions. [2024-11-19 05:50:43,381 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7726957726957727 [2024-11-19 05:50:43,381 INFO L175 Difference]: Start difference. First operand has 246 places, 365 transitions, 3523 flow. Second operand 13 states and 1115 transitions. [2024-11-19 05:50:43,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 308 transitions, 2793 flow [2024-11-19 05:50:43,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 308 transitions, 2660 flow, removed 38 selfloop flow, removed 22 redundant places. [2024-11-19 05:50:43,474 INFO L231 Difference]: Finished difference. Result has 228 places, 298 transitions, 2472 flow [2024-11-19 05:50:43,474 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2530, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2472, PETRI_PLACES=228, PETRI_TRANSITIONS=298} [2024-11-19 05:50:43,475 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 114 predicate places. [2024-11-19 05:50:43,475 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 298 transitions, 2472 flow [2024-11-19 05:50:43,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:43,476 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:43,476 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] [2024-11-19 05:50:43,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-19 05:50:43,476 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:43,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:43,476 INFO L85 PathProgramCache]: Analyzing trace with hash -437621666, now seen corresponding path program 21 times [2024-11-19 05:50:43,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:43,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197044652] [2024-11-19 05:50:43,477 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 05:50:43,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:43,489 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 05:50:43,489 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:43,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:43,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:43,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197044652] [2024-11-19 05:50:43,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197044652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:43,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:43,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:43,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986821633] [2024-11-19 05:50:43,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:43,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:43,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:43,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:43,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:44,234 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:44,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 298 transitions, 2472 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:44,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:44,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:44,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:44,657 INFO L124 PetriNetUnfolderBase]: 791/2889 cut-off events. [2024-11-19 05:50:44,657 INFO L125 PetriNetUnfolderBase]: For 7956/8102 co-relation queries the response was YES. [2024-11-19 05:50:44,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9906 conditions, 2889 events. 791/2889 cut-off events. For 7956/8102 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 24759 event pairs, 31 based on Foata normal form. 12/2895 useless extension candidates. Maximal degree in co-relation 9851. Up to 511 conditions per place. [2024-11-19 05:50:44,676 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 35 selfloop transitions, 22 changer transitions 8/308 dead transitions. [2024-11-19 05:50:44,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 308 transitions, 2645 flow [2024-11-19 05:50:44,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:44,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:44,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1111 transitions. [2024-11-19 05:50:44,678 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7699237699237699 [2024-11-19 05:50:44,678 INFO L175 Difference]: Start difference. First operand has 228 places, 298 transitions, 2472 flow. Second operand 13 states and 1111 transitions. [2024-11-19 05:50:44,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 308 transitions, 2645 flow [2024-11-19 05:50:44,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 308 transitions, 2557 flow, removed 16 selfloop flow, removed 17 redundant places. [2024-11-19 05:50:44,710 INFO L231 Difference]: Finished difference. Result has 214 places, 292 transitions, 2373 flow [2024-11-19 05:50:44,710 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2349, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2373, PETRI_PLACES=214, PETRI_TRANSITIONS=292} [2024-11-19 05:50:44,711 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 100 predicate places. [2024-11-19 05:50:44,711 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 292 transitions, 2373 flow [2024-11-19 05:50:44,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:44,711 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:44,711 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] [2024-11-19 05:50:44,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-19 05:50:44,711 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:44,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:44,712 INFO L85 PathProgramCache]: Analyzing trace with hash 894688520, now seen corresponding path program 22 times [2024-11-19 05:50:44,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:44,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946687179] [2024-11-19 05:50:44,712 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 05:50:44,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:44,723 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 05:50:44,724 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:44,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:44,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:44,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946687179] [2024-11-19 05:50:44,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946687179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:44,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:44,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:44,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938334643] [2024-11-19 05:50:44,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:44,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:44,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:44,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:44,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:45,381 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:45,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 292 transitions, 2373 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:45,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:45,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:45,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:45,794 INFO L124 PetriNetUnfolderBase]: 793/2842 cut-off events. [2024-11-19 05:50:45,794 INFO L125 PetriNetUnfolderBase]: For 7591/7740 co-relation queries the response was YES. [2024-11-19 05:50:45,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9635 conditions, 2842 events. 793/2842 cut-off events. For 7591/7740 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 24216 event pairs, 35 based on Foata normal form. 12/2848 useless extension candidates. Maximal degree in co-relation 9586. Up to 517 conditions per place. [2024-11-19 05:50:45,810 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 29 selfloop transitions, 24 changer transitions 7/301 dead transitions. [2024-11-19 05:50:45,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 301 transitions, 2548 flow [2024-11-19 05:50:45,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:45,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:45,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1114 transitions. [2024-11-19 05:50:45,812 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.772002772002772 [2024-11-19 05:50:45,812 INFO L175 Difference]: Start difference. First operand has 214 places, 292 transitions, 2373 flow. Second operand 13 states and 1114 transitions. [2024-11-19 05:50:45,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 301 transitions, 2548 flow [2024-11-19 05:50:45,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 301 transitions, 2465 flow, removed 8 selfloop flow, removed 16 redundant places. [2024-11-19 05:50:45,843 INFO L231 Difference]: Finished difference. Result has 207 places, 289 transitions, 2322 flow [2024-11-19 05:50:45,843 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2298, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2322, PETRI_PLACES=207, PETRI_TRANSITIONS=289} [2024-11-19 05:50:45,844 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 93 predicate places. [2024-11-19 05:50:45,844 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 289 transitions, 2322 flow [2024-11-19 05:50:45,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:45,844 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:45,844 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] [2024-11-19 05:50:45,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-19 05:50:45,844 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:45,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:45,845 INFO L85 PathProgramCache]: Analyzing trace with hash -769398334, now seen corresponding path program 23 times [2024-11-19 05:50:45,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:45,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013663621] [2024-11-19 05:50:45,845 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 05:50:45,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:45,855 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:45,855 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:46,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:46,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:46,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013663621] [2024-11-19 05:50:46,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013663621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:46,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:46,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:46,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78378855] [2024-11-19 05:50:46,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:46,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:46,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:46,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:46,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:46,530 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:46,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 289 transitions, 2322 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:46,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:46,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:46,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:46,974 INFO L124 PetriNetUnfolderBase]: 790/2853 cut-off events. [2024-11-19 05:50:46,974 INFO L125 PetriNetUnfolderBase]: For 7523/7672 co-relation queries the response was YES. [2024-11-19 05:50:46,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9607 conditions, 2853 events. 790/2853 cut-off events. For 7523/7672 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 24421 event pairs, 36 based on Foata normal form. 10/2857 useless extension candidates. Maximal degree in co-relation 9562. Up to 516 conditions per place. [2024-11-19 05:50:46,992 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 30 selfloop transitions, 21 changer transitions 6/298 dead transitions. [2024-11-19 05:50:46,993 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 298 transitions, 2491 flow [2024-11-19 05:50:46,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:46,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:46,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1115 transitions. [2024-11-19 05:50:46,994 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7726957726957727 [2024-11-19 05:50:46,994 INFO L175 Difference]: Start difference. First operand has 207 places, 289 transitions, 2322 flow. Second operand 13 states and 1115 transitions. [2024-11-19 05:50:46,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 298 transitions, 2491 flow [2024-11-19 05:50:47,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 298 transitions, 2440 flow, removed 3 selfloop flow, removed 11 redundant places. [2024-11-19 05:50:47,025 INFO L231 Difference]: Finished difference. Result has 210 places, 289 transitions, 2331 flow [2024-11-19 05:50:47,025 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2276, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2331, PETRI_PLACES=210, PETRI_TRANSITIONS=289} [2024-11-19 05:50:47,025 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 96 predicate places. [2024-11-19 05:50:47,025 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 289 transitions, 2331 flow [2024-11-19 05:50:47,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:47,026 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:47,026 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] [2024-11-19 05:50:47,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-19 05:50:47,026 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:47,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:47,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1360883592, now seen corresponding path program 24 times [2024-11-19 05:50:47,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:47,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589687309] [2024-11-19 05:50:47,027 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 05:50:47,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:47,036 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 05:50:47,036 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:47,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:47,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589687309] [2024-11-19 05:50:47,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589687309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:47,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:47,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:47,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403887366] [2024-11-19 05:50:47,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:47,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:47,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:47,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:47,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:47,762 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:47,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 289 transitions, 2331 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:47,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:47,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:47,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:48,097 INFO L124 PetriNetUnfolderBase]: 525/2012 cut-off events. [2024-11-19 05:50:48,097 INFO L125 PetriNetUnfolderBase]: For 4901/5010 co-relation queries the response was YES. [2024-11-19 05:50:48,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6654 conditions, 2012 events. 525/2012 cut-off events. For 4901/5010 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 15588 event pairs, 25 based on Foata normal form. 7/2015 useless extension candidates. Maximal degree in co-relation 6607. Up to 348 conditions per place. [2024-11-19 05:50:48,108 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 23 selfloop transitions, 15 changer transitions 15/275 dead transitions. [2024-11-19 05:50:48,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 275 transitions, 2141 flow [2024-11-19 05:50:48,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:48,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:48,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1110 transitions. [2024-11-19 05:50:48,109 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7692307692307693 [2024-11-19 05:50:48,109 INFO L175 Difference]: Start difference. First operand has 210 places, 289 transitions, 2331 flow. Second operand 13 states and 1110 transitions. [2024-11-19 05:50:48,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 275 transitions, 2141 flow [2024-11-19 05:50:48,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 275 transitions, 2088 flow, removed 7 selfloop flow, removed 11 redundant places. [2024-11-19 05:50:48,129 INFO L231 Difference]: Finished difference. Result has 209 places, 259 transitions, 1881 flow [2024-11-19 05:50:48,129 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1937, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1881, PETRI_PLACES=209, PETRI_TRANSITIONS=259} [2024-11-19 05:50:48,130 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 95 predicate places. [2024-11-19 05:50:48,130 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 259 transitions, 1881 flow [2024-11-19 05:50:48,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:48,130 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:48,130 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] [2024-11-19 05:50:48,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-19 05:50:48,130 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:48,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:48,131 INFO L85 PathProgramCache]: Analyzing trace with hash -578196982, now seen corresponding path program 25 times [2024-11-19 05:50:48,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:48,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058184468] [2024-11-19 05:50:48,131 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 05:50:48,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:48,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:48,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:48,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058184468] [2024-11-19 05:50:48,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058184468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:48,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:48,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:48,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748212136] [2024-11-19 05:50:48,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:48,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:48,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:48,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:48,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:48,791 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:48,792 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 259 transitions, 1881 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:48,792 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:48,792 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:48,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:49,207 INFO L124 PetriNetUnfolderBase]: 780/2741 cut-off events. [2024-11-19 05:50:49,208 INFO L125 PetriNetUnfolderBase]: For 6703/6850 co-relation queries the response was YES. [2024-11-19 05:50:49,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9065 conditions, 2741 events. 780/2741 cut-off events. For 6703/6850 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 23348 event pairs, 31 based on Foata normal form. 15/2750 useless extension candidates. Maximal degree in co-relation 9019. Up to 507 conditions per place. [2024-11-19 05:50:49,226 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 26 selfloop transitions, 25 changer transitions 1/274 dead transitions. [2024-11-19 05:50:49,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 274 transitions, 2069 flow [2024-11-19 05:50:49,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:49,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:49,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1116 transitions. [2024-11-19 05:50:49,227 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7733887733887734 [2024-11-19 05:50:49,227 INFO L175 Difference]: Start difference. First operand has 209 places, 259 transitions, 1881 flow. Second operand 13 states and 1116 transitions. [2024-11-19 05:50:49,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 274 transitions, 2069 flow [2024-11-19 05:50:49,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 274 transitions, 1961 flow, removed 10 selfloop flow, removed 18 redundant places. [2024-11-19 05:50:49,254 INFO L231 Difference]: Finished difference. Result has 194 places, 267 transitions, 1920 flow [2024-11-19 05:50:49,254 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1796, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1920, PETRI_PLACES=194, PETRI_TRANSITIONS=267} [2024-11-19 05:50:49,254 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 80 predicate places. [2024-11-19 05:50:49,255 INFO L471 AbstractCegarLoop]: Abstraction has has 194 places, 267 transitions, 1920 flow [2024-11-19 05:50:49,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:49,255 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:49,255 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] [2024-11-19 05:50:49,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-19 05:50:49,255 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:49,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:49,256 INFO L85 PathProgramCache]: Analyzing trace with hash -709888218, now seen corresponding path program 21 times [2024-11-19 05:50:49,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:49,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30474695] [2024-11-19 05:50:49,256 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 05:50:49,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:49,265 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 05:50:49,266 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:49,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:49,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:49,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30474695] [2024-11-19 05:50:49,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30474695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:49,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:49,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:49,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685261799] [2024-11-19 05:50:49,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:49,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:49,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:49,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:49,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:50,005 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:50,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 267 transitions, 1920 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:50,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:50,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:50,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:50,465 INFO L124 PetriNetUnfolderBase]: 782/2733 cut-off events. [2024-11-19 05:50:50,465 INFO L125 PetriNetUnfolderBase]: For 6476/6649 co-relation queries the response was YES. [2024-11-19 05:50:50,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9040 conditions, 2733 events. 782/2733 cut-off events. For 6476/6649 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 23238 event pairs, 30 based on Foata normal form. 30/2757 useless extension candidates. Maximal degree in co-relation 8997. Up to 498 conditions per place. [2024-11-19 05:50:50,483 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 18 selfloop transitions, 33 changer transitions 3/276 dead transitions. [2024-11-19 05:50:50,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 276 transitions, 2100 flow [2024-11-19 05:50:50,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:50:50,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:50:50,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1103 transitions. [2024-11-19 05:50:50,485 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7643797643797644 [2024-11-19 05:50:50,485 INFO L175 Difference]: Start difference. First operand has 194 places, 267 transitions, 1920 flow. Second operand 13 states and 1103 transitions. [2024-11-19 05:50:50,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 276 transitions, 2100 flow [2024-11-19 05:50:50,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 276 transitions, 2063 flow, removed 1 selfloop flow, removed 8 redundant places. [2024-11-19 05:50:50,513 INFO L231 Difference]: Finished difference. Result has 200 places, 267 transitions, 1964 flow [2024-11-19 05:50:50,513 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1886, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1964, PETRI_PLACES=200, PETRI_TRANSITIONS=267} [2024-11-19 05:50:50,514 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 86 predicate places. [2024-11-19 05:50:50,514 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 267 transitions, 1964 flow [2024-11-19 05:50:50,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:50,514 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:50,514 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] [2024-11-19 05:50:50,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-19 05:50:50,515 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:50,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:50,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1485048612, now seen corresponding path program 22 times [2024-11-19 05:50:50,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:50,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517394094] [2024-11-19 05:50:50,515 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 05:50:50,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:50,529 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 05:50:50,529 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:50,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:50,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:50,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517394094] [2024-11-19 05:50:50,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517394094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:50,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:50,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-19 05:50:50,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256067276] [2024-11-19 05:50:50,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:50,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 05:50:50,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:50,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 05:50:50,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-19 05:50:51,536 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 111 [2024-11-19 05:50:51,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 267 transitions, 1964 flow. Second operand has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:51,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:51,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 111 [2024-11-19 05:50:51,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:52,446 INFO L124 PetriNetUnfolderBase]: 1013/3196 cut-off events. [2024-11-19 05:50:52,450 INFO L125 PetriNetUnfolderBase]: For 11893/12308 co-relation queries the response was YES. [2024-11-19 05:50:52,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12358 conditions, 3196 events. 1013/3196 cut-off events. For 11893/12308 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 26668 event pairs, 103 based on Foata normal form. 88/3267 useless extension candidates. Maximal degree in co-relation 12313. Up to 579 conditions per place. [2024-11-19 05:50:52,471 INFO L140 encePairwiseOnDemand]: 87/111 looper letters, 402 selfloop transitions, 102 changer transitions 72/669 dead transitions. [2024-11-19 05:50:52,471 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 669 transitions, 6845 flow [2024-11-19 05:50:52,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 05:50:52,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-19 05:50:52,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 1919 transitions. [2024-11-19 05:50:52,477 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7203453453453453 [2024-11-19 05:50:52,477 INFO L175 Difference]: Start difference. First operand has 200 places, 267 transitions, 1964 flow. Second operand 24 states and 1919 transitions. [2024-11-19 05:50:52,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 669 transitions, 6845 flow [2024-11-19 05:50:52,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 669 transitions, 6735 flow, removed 3 selfloop flow, removed 12 redundant places. [2024-11-19 05:50:52,552 INFO L231 Difference]: Finished difference. Result has 223 places, 342 transitions, 3139 flow [2024-11-19 05:50:52,555 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1896, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3139, PETRI_PLACES=223, PETRI_TRANSITIONS=342} [2024-11-19 05:50:52,556 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 109 predicate places. [2024-11-19 05:50:52,556 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 342 transitions, 3139 flow [2024-11-19 05:50:52,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:52,556 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:52,556 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] [2024-11-19 05:50:52,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-19 05:50:52,556 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-19 05:50:52,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:52,557 INFO L85 PathProgramCache]: Analyzing trace with hash -585176958, now seen corresponding path program 23 times [2024-11-19 05:50:52,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:52,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454835099] [2024-11-19 05:50:52,557 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 05:50:52,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:52,574 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:52,575 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:53,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:53,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:53,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454835099] [2024-11-19 05:50:53,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454835099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:53,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:53,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 05:50:53,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123241164] [2024-11-19 05:50:53,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:53,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:53,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:53,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:53,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:53,532 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-19 05:50:53,533 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 342 transitions, 3139 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 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) [2024-11-19 05:50:53,533 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:53,533 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-19 05:50:53,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand