./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-node-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-node-subst.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b43103ca9a91605874c4d895f03c4116805b9b245b91cffe9bd63255503e5a0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:43:25,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:43:25,400 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:43:25,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:43:25,406 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:43:25,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:43:25,431 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:43:25,431 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:43:25,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:43:25,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:43:25,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:43:25,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:43:25,434 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:43:25,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:43:25,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:43:25,436 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:43:25,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:43:25,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:43:25,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:43:25,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:43:25,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:43:25,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:43:25,440 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:43:25,440 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:43:25,441 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:43:25,441 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:43:25,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:43:25,441 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:43:25,441 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:43:25,442 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:43:25,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:43:25,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:43:25,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:43:25,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:43:25,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:43:25,443 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:43:25,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:43:25,443 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:43:25,443 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:43:25,443 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:43:25,444 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:43:25,444 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b43103ca9a91605874c4d895f03c4116805b9b245b91cffe9bd63255503e5a0 [2024-11-16 23:43:25,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:43:25,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:43:25,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:43:25,721 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:43:25,723 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:43:25,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-node-subst.wvr.c [2024-11-16 23:43:27,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:43:27,230 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:43:27,231 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-node-subst.wvr.c [2024-11-16 23:43:27,237 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2bdc2683/dea492a5c2da4d39b40aae135a9a46fc/FLAGede63e91a [2024-11-16 23:43:27,248 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2bdc2683/dea492a5c2da4d39b40aae135a9a46fc [2024-11-16 23:43:27,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:43:27,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:43:27,251 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:43:27,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:43:27,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:43:27,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:27" (1/1) ... [2024-11-16 23:43:27,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610f942f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:27, skipping insertion in model container [2024-11-16 23:43:27,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:27" (1/1) ... [2024-11-16 23:43:27,277 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:43:27,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:43:27,470 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:43:27,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:43:27,526 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:43:27,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:27 WrapperNode [2024-11-16 23:43:27,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:43:27,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:43:27,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:43:27,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:43:27,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:27" (1/1) ... [2024-11-16 23:43:27,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:27" (1/1) ... [2024-11-16 23:43:27,598 INFO L138 Inliner]: procedures = 26, calls = 52, calls flagged for inlining = 23, calls inlined = 35, statements flattened = 791 [2024-11-16 23:43:27,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:43:27,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:43:27,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:43:27,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:43:27,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:27" (1/1) ... [2024-11-16 23:43:27,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:27" (1/1) ... [2024-11-16 23:43:27,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:27" (1/1) ... [2024-11-16 23:43:27,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:27" (1/1) ... [2024-11-16 23:43:27,658 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:27" (1/1) ... [2024-11-16 23:43:27,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:27" (1/1) ... [2024-11-16 23:43:27,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:27" (1/1) ... [2024-11-16 23:43:27,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:27" (1/1) ... [2024-11-16 23:43:27,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:43:27,686 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:43:27,686 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:43:27,686 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:43:27,687 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:27" (1/1) ... [2024-11-16 23:43:27,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:43:27,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:43:27,728 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) [2024-11-16 23:43:27,735 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 [2024-11-16 23:43:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:43:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:43:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:43:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:43:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:43:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:43:27,771 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:43:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-16 23:43:27,799 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-16 23:43:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:43:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:43:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:43:27,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:43:27,801 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:43:27,930 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:43:27,932 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:43:28,785 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:43:28,786 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:43:28,817 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:43:28,817 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:43:28,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:43:28 BoogieIcfgContainer [2024-11-16 23:43:28,818 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:43:28,819 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:43:28,820 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:43:28,826 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:43:28,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:43:27" (1/3) ... [2024-11-16 23:43:28,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7730f504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:28, skipping insertion in model container [2024-11-16 23:43:28,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:27" (2/3) ... [2024-11-16 23:43:28,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7730f504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:28, skipping insertion in model container [2024-11-16 23:43:28,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:43:28" (3/3) ... [2024-11-16 23:43:28,828 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-subst.wvr.c [2024-11-16 23:43:28,843 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:43:28,844 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 116 error locations. [2024-11-16 23:43:28,844 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:43:29,009 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-16 23:43:29,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1022 places, 1060 transitions, 2141 flow [2024-11-16 23:43:29,403 INFO L124 PetriNetUnfolderBase]: 48/1057 cut-off events. [2024-11-16 23:43:29,404 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-16 23:43:29,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1070 conditions, 1057 events. 48/1057 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2275 event pairs, 0 based on Foata normal form. 0/893 useless extension candidates. Maximal degree in co-relation 861. Up to 2 conditions per place. [2024-11-16 23:43:29,423 INFO L82 GeneralOperation]: Start removeDead. Operand has 1022 places, 1060 transitions, 2141 flow [2024-11-16 23:43:29,440 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 999 places, 1034 transitions, 2086 flow [2024-11-16 23:43:29,452 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:43:29,458 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;@4dae93d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:43:29,458 INFO L334 AbstractCegarLoop]: Starting to check reachability of 194 error locations. [2024-11-16 23:43:29,462 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:43:29,462 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2024-11-16 23:43:29,463 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:43:29,463 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:29,464 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] [2024-11-16 23:43:29,464 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:29,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:29,469 INFO L85 PathProgramCache]: Analyzing trace with hash -127496211, now seen corresponding path program 1 times [2024-11-16 23:43:29,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:29,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361317880] [2024-11-16 23:43:29,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:29,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:29,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:29,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:29,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361317880] [2024-11-16 23:43:29,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361317880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:29,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:29,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:29,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381600379] [2024-11-16 23:43:29,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:29,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:29,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:29,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:29,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:29,763 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1007 out of 1060 [2024-11-16 23:43:29,771 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 999 places, 1034 transitions, 2086 flow. Second operand has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:29,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:29,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1007 of 1060 [2024-11-16 23:43:29,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:30,685 INFO L124 PetriNetUnfolderBase]: 86/2514 cut-off events. [2024-11-16 23:43:30,689 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-11-16 23:43:30,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2657 conditions, 2514 events. 86/2514 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 14467 event pairs, 39 based on Foata normal form. 68/2131 useless extension candidates. Maximal degree in co-relation 1937. Up to 89 conditions per place. [2024-11-16 23:43:30,791 INFO L140 encePairwiseOnDemand]: 1029/1060 looper letters, 19 selfloop transitions, 2 changer transitions 16/1005 dead transitions. [2024-11-16 23:43:30,791 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1000 places, 1005 transitions, 2070 flow [2024-11-16 23:43:30,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:30,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:30,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3071 transitions. [2024-11-16 23:43:30,809 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9657232704402515 [2024-11-16 23:43:30,810 INFO L175 Difference]: Start difference. First operand has 999 places, 1034 transitions, 2086 flow. Second operand 3 states and 3071 transitions. [2024-11-16 23:43:30,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1000 places, 1005 transitions, 2070 flow [2024-11-16 23:43:30,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 994 places, 1005 transitions, 2058 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-16 23:43:30,835 INFO L231 Difference]: Finished difference. Result has 994 places, 989 transitions, 1988 flow [2024-11-16 23:43:30,839 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=2016, PETRI_DIFFERENCE_MINUEND_PLACES=992, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1005, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1003, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1988, PETRI_PLACES=994, PETRI_TRANSITIONS=989} [2024-11-16 23:43:30,844 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -5 predicate places. [2024-11-16 23:43:30,845 INFO L471 AbstractCegarLoop]: Abstraction has has 994 places, 989 transitions, 1988 flow [2024-11-16 23:43:30,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:30,847 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:30,847 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] [2024-11-16 23:43:30,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:43:30,848 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:30,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:30,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1143080944, now seen corresponding path program 1 times [2024-11-16 23:43:30,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:30,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429535144] [2024-11-16 23:43:30,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:30,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:30,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:30,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:30,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429535144] [2024-11-16 23:43:30,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429535144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:30,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:30,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:30,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828343354] [2024-11-16 23:43:30,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:30,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:30,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:30,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:30,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:30,951 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 993 out of 1060 [2024-11-16 23:43:30,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 994 places, 989 transitions, 1988 flow. Second operand has 3 states, 3 states have (on average 994.0) internal successors, (2982), 3 states have internal predecessors, (2982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:30,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:30,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 993 of 1060 [2024-11-16 23:43:30,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:31,816 INFO L124 PetriNetUnfolderBase]: 212/3966 cut-off events. [2024-11-16 23:43:31,816 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-16 23:43:31,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4286 conditions, 3966 events. 212/3966 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 29580 event pairs, 132 based on Foata normal form. 0/3325 useless extension candidates. Maximal degree in co-relation 4243. Up to 257 conditions per place. [2024-11-16 23:43:31,868 INFO L140 encePairwiseOnDemand]: 1049/1060 looper letters, 26 selfloop transitions, 1 changer transitions 0/979 dead transitions. [2024-11-16 23:43:31,868 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 970 places, 979 transitions, 2022 flow [2024-11-16 23:43:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:31,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:31,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3016 transitions. [2024-11-16 23:43:31,876 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9484276729559749 [2024-11-16 23:43:31,876 INFO L175 Difference]: Start difference. First operand has 994 places, 989 transitions, 1988 flow. Second operand 3 states and 3016 transitions. [2024-11-16 23:43:31,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 970 places, 979 transitions, 2022 flow [2024-11-16 23:43:31,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 968 places, 979 transitions, 2018 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:31,890 INFO L231 Difference]: Finished difference. Result has 968 places, 979 transitions, 1966 flow [2024-11-16 23:43:31,891 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1964, PETRI_DIFFERENCE_MINUEND_PLACES=966, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=979, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=978, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1966, PETRI_PLACES=968, PETRI_TRANSITIONS=979} [2024-11-16 23:43:31,892 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -31 predicate places. [2024-11-16 23:43:31,892 INFO L471 AbstractCegarLoop]: Abstraction has has 968 places, 979 transitions, 1966 flow [2024-11-16 23:43:31,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 994.0) internal successors, (2982), 3 states have internal predecessors, (2982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:31,893 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:31,893 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] [2024-11-16 23:43:31,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:43:31,894 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:31,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:31,894 INFO L85 PathProgramCache]: Analyzing trace with hash 514502714, now seen corresponding path program 1 times [2024-11-16 23:43:31,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:31,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277405683] [2024-11-16 23:43:31,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:31,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:31,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:31,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:31,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277405683] [2024-11-16 23:43:31,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277405683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:31,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:31,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:31,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945959109] [2024-11-16 23:43:31,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:31,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:31,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:31,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:31,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:31,981 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1007 out of 1060 [2024-11-16 23:43:31,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 968 places, 979 transitions, 1966 flow. Second operand has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:31,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:31,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1007 of 1060 [2024-11-16 23:43:31,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:32,480 INFO L124 PetriNetUnfolderBase]: 62/2217 cut-off events. [2024-11-16 23:43:32,480 INFO L125 PetriNetUnfolderBase]: For 9/16 co-relation queries the response was YES. [2024-11-16 23:43:32,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2293 conditions, 2217 events. 62/2217 cut-off events. For 9/16 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 11284 event pairs, 21 based on Foata normal form. 0/1851 useless extension candidates. Maximal degree in co-relation 2250. Up to 62 conditions per place. [2024-11-16 23:43:32,517 INFO L140 encePairwiseOnDemand]: 1057/1060 looper letters, 19 selfloop transitions, 2 changer transitions 0/978 dead transitions. [2024-11-16 23:43:32,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 969 places, 978 transitions, 2006 flow [2024-11-16 23:43:32,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:32,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:32,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3043 transitions. [2024-11-16 23:43:32,523 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9569182389937106 [2024-11-16 23:43:32,523 INFO L175 Difference]: Start difference. First operand has 968 places, 979 transitions, 1966 flow. Second operand 3 states and 3043 transitions. [2024-11-16 23:43:32,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 969 places, 978 transitions, 2006 flow [2024-11-16 23:43:32,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 968 places, 978 transitions, 2005 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:43:32,536 INFO L231 Difference]: Finished difference. Result has 968 places, 978 transitions, 1967 flow [2024-11-16 23:43:32,537 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1963, PETRI_DIFFERENCE_MINUEND_PLACES=966, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=978, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=976, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1967, PETRI_PLACES=968, PETRI_TRANSITIONS=978} [2024-11-16 23:43:32,538 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -31 predicate places. [2024-11-16 23:43:32,538 INFO L471 AbstractCegarLoop]: Abstraction has has 968 places, 978 transitions, 1967 flow [2024-11-16 23:43:32,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:32,540 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:32,540 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] [2024-11-16 23:43:32,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:43:32,540 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:32,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:32,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1868723673, now seen corresponding path program 1 times [2024-11-16 23:43:32,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:32,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354237380] [2024-11-16 23:43:32,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:32,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:32,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:32,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354237380] [2024-11-16 23:43:32,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354237380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:32,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:32,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:32,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291580094] [2024-11-16 23:43:32,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:32,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:32,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:32,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:32,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:32,613 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 993 out of 1060 [2024-11-16 23:43:32,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 968 places, 978 transitions, 1967 flow. Second operand has 3 states, 3 states have (on average 994.0) internal successors, (2982), 3 states have internal predecessors, (2982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:32,616 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:32,616 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 993 of 1060 [2024-11-16 23:43:32,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:33,204 INFO L124 PetriNetUnfolderBase]: 116/2630 cut-off events. [2024-11-16 23:43:33,205 INFO L125 PetriNetUnfolderBase]: For 17/119 co-relation queries the response was YES. [2024-11-16 23:43:33,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2801 conditions, 2630 events. 116/2630 cut-off events. For 17/119 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 15856 event pairs, 60 based on Foata normal form. 0/2228 useless extension candidates. Maximal degree in co-relation 2759. Up to 149 conditions per place. [2024-11-16 23:43:33,256 INFO L140 encePairwiseOnDemand]: 1049/1060 looper letters, 26 selfloop transitions, 1 changer transitions 0/968 dead transitions. [2024-11-16 23:43:33,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 960 places, 968 transitions, 2001 flow [2024-11-16 23:43:33,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:33,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:33,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3016 transitions. [2024-11-16 23:43:33,261 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9484276729559749 [2024-11-16 23:43:33,261 INFO L175 Difference]: Start difference. First operand has 968 places, 978 transitions, 1967 flow. Second operand 3 states and 3016 transitions. [2024-11-16 23:43:33,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 960 places, 968 transitions, 2001 flow [2024-11-16 23:43:33,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 958 places, 968 transitions, 1997 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:33,272 INFO L231 Difference]: Finished difference. Result has 958 places, 968 transitions, 1945 flow [2024-11-16 23:43:33,273 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1943, PETRI_DIFFERENCE_MINUEND_PLACES=956, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=968, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=967, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1945, PETRI_PLACES=958, PETRI_TRANSITIONS=968} [2024-11-16 23:43:33,274 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -41 predicate places. [2024-11-16 23:43:33,274 INFO L471 AbstractCegarLoop]: Abstraction has has 958 places, 968 transitions, 1945 flow [2024-11-16 23:43:33,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 994.0) internal successors, (2982), 3 states have internal predecessors, (2982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:33,276 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:33,276 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] [2024-11-16 23:43:33,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:43:33,277 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:33,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:33,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1481445648, now seen corresponding path program 1 times [2024-11-16 23:43:33,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:33,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724162104] [2024-11-16 23:43:33,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:33,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:33,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:33,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:33,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724162104] [2024-11-16 23:43:33,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724162104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:33,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:33,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:33,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862574011] [2024-11-16 23:43:33,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:33,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:33,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:33,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:33,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:33,373 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1007 out of 1060 [2024-11-16 23:43:33,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 958 places, 968 transitions, 1945 flow. Second operand has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:33,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:33,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1007 of 1060 [2024-11-16 23:43:33,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:33,708 INFO L124 PetriNetUnfolderBase]: 74/1843 cut-off events. [2024-11-16 23:43:33,708 INFO L125 PetriNetUnfolderBase]: For 20/47 co-relation queries the response was YES. [2024-11-16 23:43:33,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1944 conditions, 1843 events. 74/1843 cut-off events. For 20/47 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 8469 event pairs, 39 based on Foata normal form. 0/1569 useless extension candidates. Maximal degree in co-relation 1901. Up to 89 conditions per place. [2024-11-16 23:43:33,733 INFO L140 encePairwiseOnDemand]: 1057/1060 looper letters, 19 selfloop transitions, 2 changer transitions 0/967 dead transitions. [2024-11-16 23:43:33,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 959 places, 967 transitions, 1985 flow [2024-11-16 23:43:33,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:33,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:33,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3043 transitions. [2024-11-16 23:43:33,737 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9569182389937106 [2024-11-16 23:43:33,738 INFO L175 Difference]: Start difference. First operand has 958 places, 968 transitions, 1945 flow. Second operand 3 states and 3043 transitions. [2024-11-16 23:43:33,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 959 places, 967 transitions, 1985 flow [2024-11-16 23:43:33,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 958 places, 967 transitions, 1984 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:43:33,747 INFO L231 Difference]: Finished difference. Result has 958 places, 967 transitions, 1946 flow [2024-11-16 23:43:33,748 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1942, PETRI_DIFFERENCE_MINUEND_PLACES=956, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=967, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=965, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1946, PETRI_PLACES=958, PETRI_TRANSITIONS=967} [2024-11-16 23:43:33,749 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -41 predicate places. [2024-11-16 23:43:33,749 INFO L471 AbstractCegarLoop]: Abstraction has has 958 places, 967 transitions, 1946 flow [2024-11-16 23:43:33,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:33,750 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:33,751 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:33,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:43:33,751 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:33,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:33,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1570078642, now seen corresponding path program 1 times [2024-11-16 23:43:33,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:33,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537147699] [2024-11-16 23:43:33,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:33,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:33,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:33,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:33,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537147699] [2024-11-16 23:43:33,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537147699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:33,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:33,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:33,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106160215] [2024-11-16 23:43:33,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:33,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:33,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:33,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:33,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:33,852 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 993 out of 1060 [2024-11-16 23:43:33,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 958 places, 967 transitions, 1946 flow. Second operand has 3 states, 3 states have (on average 994.0) internal successors, (2982), 3 states have internal predecessors, (2982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:33,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:33,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 993 of 1060 [2024-11-16 23:43:33,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:34,528 INFO L124 PetriNetUnfolderBase]: 226/3713 cut-off events. [2024-11-16 23:43:34,528 INFO L125 PetriNetUnfolderBase]: For 65/94 co-relation queries the response was YES. [2024-11-16 23:43:34,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4004 conditions, 3713 events. 226/3713 cut-off events. For 65/94 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 26749 event pairs, 132 based on Foata normal form. 0/3164 useless extension candidates. Maximal degree in co-relation 3962. Up to 274 conditions per place. [2024-11-16 23:43:34,570 INFO L140 encePairwiseOnDemand]: 1049/1060 looper letters, 26 selfloop transitions, 1 changer transitions 0/957 dead transitions. [2024-11-16 23:43:34,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 950 places, 957 transitions, 1980 flow [2024-11-16 23:43:34,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:34,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:34,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3016 transitions. [2024-11-16 23:43:34,576 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9484276729559749 [2024-11-16 23:43:34,576 INFO L175 Difference]: Start difference. First operand has 958 places, 967 transitions, 1946 flow. Second operand 3 states and 3016 transitions. [2024-11-16 23:43:34,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 950 places, 957 transitions, 1980 flow [2024-11-16 23:43:34,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 948 places, 957 transitions, 1976 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:34,586 INFO L231 Difference]: Finished difference. Result has 948 places, 957 transitions, 1924 flow [2024-11-16 23:43:34,587 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1922, PETRI_DIFFERENCE_MINUEND_PLACES=946, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=957, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=956, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1924, PETRI_PLACES=948, PETRI_TRANSITIONS=957} [2024-11-16 23:43:34,588 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -51 predicate places. [2024-11-16 23:43:34,588 INFO L471 AbstractCegarLoop]: Abstraction has has 948 places, 957 transitions, 1924 flow [2024-11-16 23:43:34,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 994.0) internal successors, (2982), 3 states have internal predecessors, (2982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:34,589 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:34,590 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:34,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:43:34,590 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:34,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:34,590 INFO L85 PathProgramCache]: Analyzing trace with hash -966080371, now seen corresponding path program 1 times [2024-11-16 23:43:34,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:34,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524668195] [2024-11-16 23:43:34,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:34,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:34,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:34,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:34,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524668195] [2024-11-16 23:43:34,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524668195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:34,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:34,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:34,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935648950] [2024-11-16 23:43:34,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:34,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:34,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:34,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:34,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:34,638 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1015 out of 1060 [2024-11-16 23:43:34,641 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 948 places, 957 transitions, 1924 flow. Second operand has 3 states, 3 states have (on average 1016.3333333333334) internal successors, (3049), 3 states have internal predecessors, (3049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:34,641 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:34,641 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1015 of 1060 [2024-11-16 23:43:34,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:34,803 INFO L124 PetriNetUnfolderBase]: 25/1257 cut-off events. [2024-11-16 23:43:34,803 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-16 23:43:34,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1285 conditions, 1257 events. 25/1257 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3302 event pairs, 2 based on Foata normal form. 0/1103 useless extension candidates. Maximal degree in co-relation 1242. Up to 16 conditions per place. [2024-11-16 23:43:34,821 INFO L140 encePairwiseOnDemand]: 1057/1060 looper letters, 11 selfloop transitions, 2 changer transitions 0/956 dead transitions. [2024-11-16 23:43:34,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 949 places, 956 transitions, 1948 flow [2024-11-16 23:43:34,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:34,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:34,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3059 transitions. [2024-11-16 23:43:34,826 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9619496855345911 [2024-11-16 23:43:34,826 INFO L175 Difference]: Start difference. First operand has 948 places, 957 transitions, 1924 flow. Second operand 3 states and 3059 transitions. [2024-11-16 23:43:34,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 949 places, 956 transitions, 1948 flow [2024-11-16 23:43:34,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 948 places, 956 transitions, 1947 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:43:34,836 INFO L231 Difference]: Finished difference. Result has 948 places, 956 transitions, 1925 flow [2024-11-16 23:43:34,837 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1921, PETRI_DIFFERENCE_MINUEND_PLACES=946, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=956, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=954, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1925, PETRI_PLACES=948, PETRI_TRANSITIONS=956} [2024-11-16 23:43:34,837 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -51 predicate places. [2024-11-16 23:43:34,838 INFO L471 AbstractCegarLoop]: Abstraction has has 948 places, 956 transitions, 1925 flow [2024-11-16 23:43:34,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1016.3333333333334) internal successors, (3049), 3 states have internal predecessors, (3049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:34,839 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:34,839 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:34,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:43:34,840 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:34,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:34,840 INFO L85 PathProgramCache]: Analyzing trace with hash 490950255, now seen corresponding path program 1 times [2024-11-16 23:43:34,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:34,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499376924] [2024-11-16 23:43:34,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:34,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:34,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:34,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:34,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499376924] [2024-11-16 23:43:34,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499376924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:34,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:34,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:34,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661760275] [2024-11-16 23:43:34,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:34,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:34,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:34,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:34,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:34,887 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1014 out of 1060 [2024-11-16 23:43:34,890 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 948 places, 956 transitions, 1925 flow. Second operand has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:34,890 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:34,890 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1014 of 1060 [2024-11-16 23:43:34,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:35,220 INFO L124 PetriNetUnfolderBase]: 41/1858 cut-off events. [2024-11-16 23:43:35,220 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-16 23:43:35,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1901 conditions, 1858 events. 41/1858 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 8358 event pairs, 6 based on Foata normal form. 0/1607 useless extension candidates. Maximal degree in co-relation 1858. Up to 25 conditions per place. [2024-11-16 23:43:35,246 INFO L140 encePairwiseOnDemand]: 1057/1060 looper letters, 12 selfloop transitions, 2 changer transitions 0/955 dead transitions. [2024-11-16 23:43:35,246 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 949 places, 955 transitions, 1951 flow [2024-11-16 23:43:35,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:35,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:35,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3057 transitions. [2024-11-16 23:43:35,252 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9613207547169811 [2024-11-16 23:43:35,252 INFO L175 Difference]: Start difference. First operand has 948 places, 956 transitions, 1925 flow. Second operand 3 states and 3057 transitions. [2024-11-16 23:43:35,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 949 places, 955 transitions, 1951 flow [2024-11-16 23:43:35,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 947 places, 955 transitions, 1947 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:35,264 INFO L231 Difference]: Finished difference. Result has 947 places, 955 transitions, 1923 flow [2024-11-16 23:43:35,266 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1919, PETRI_DIFFERENCE_MINUEND_PLACES=945, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=955, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=953, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1923, PETRI_PLACES=947, PETRI_TRANSITIONS=955} [2024-11-16 23:43:35,266 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -52 predicate places. [2024-11-16 23:43:35,267 INFO L471 AbstractCegarLoop]: Abstraction has has 947 places, 955 transitions, 1923 flow [2024-11-16 23:43:35,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:35,268 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:35,268 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:35,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:43:35,269 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:35,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:35,269 INFO L85 PathProgramCache]: Analyzing trace with hash 2005998793, now seen corresponding path program 1 times [2024-11-16 23:43:35,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:35,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55601267] [2024-11-16 23:43:35,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:35,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:35,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:35,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:35,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55601267] [2024-11-16 23:43:35,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55601267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:35,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:35,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:35,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030150922] [2024-11-16 23:43:35,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:35,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:35,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:35,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:35,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:35,323 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1014 out of 1060 [2024-11-16 23:43:35,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 947 places, 955 transitions, 1923 flow. Second operand has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:35,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:35,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1014 of 1060 [2024-11-16 23:43:35,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:35,736 INFO L124 PetriNetUnfolderBase]: 41/1857 cut-off events. [2024-11-16 23:43:35,737 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-16 23:43:35,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1900 conditions, 1857 events. 41/1857 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 8314 event pairs, 6 based on Foata normal form. 0/1607 useless extension candidates. Maximal degree in co-relation 1857. Up to 25 conditions per place. [2024-11-16 23:43:35,777 INFO L140 encePairwiseOnDemand]: 1057/1060 looper letters, 12 selfloop transitions, 2 changer transitions 0/954 dead transitions. [2024-11-16 23:43:35,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 948 places, 954 transitions, 1949 flow [2024-11-16 23:43:35,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:35,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:35,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3057 transitions. [2024-11-16 23:43:35,783 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9613207547169811 [2024-11-16 23:43:35,784 INFO L175 Difference]: Start difference. First operand has 947 places, 955 transitions, 1923 flow. Second operand 3 states and 3057 transitions. [2024-11-16 23:43:35,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 948 places, 954 transitions, 1949 flow [2024-11-16 23:43:35,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 946 places, 954 transitions, 1945 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:35,799 INFO L231 Difference]: Finished difference. Result has 946 places, 954 transitions, 1921 flow [2024-11-16 23:43:35,800 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1917, PETRI_DIFFERENCE_MINUEND_PLACES=944, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=954, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=952, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1921, PETRI_PLACES=946, PETRI_TRANSITIONS=954} [2024-11-16 23:43:35,801 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -53 predicate places. [2024-11-16 23:43:35,801 INFO L471 AbstractCegarLoop]: Abstraction has has 946 places, 954 transitions, 1921 flow [2024-11-16 23:43:35,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:35,803 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:35,803 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:35,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:43:35,803 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:35,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:35,803 INFO L85 PathProgramCache]: Analyzing trace with hash -389319815, now seen corresponding path program 1 times [2024-11-16 23:43:35,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:35,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159105581] [2024-11-16 23:43:35,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:35,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:35,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:35,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:35,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159105581] [2024-11-16 23:43:35,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159105581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:35,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:35,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:35,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115877018] [2024-11-16 23:43:35,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:35,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:35,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:35,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:35,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:35,862 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1014 out of 1060 [2024-11-16 23:43:35,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 946 places, 954 transitions, 1921 flow. Second operand has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:35,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:35,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1014 of 1060 [2024-11-16 23:43:35,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:36,089 INFO L124 PetriNetUnfolderBase]: 22/1104 cut-off events. [2024-11-16 23:43:36,090 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-16 23:43:36,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1134 conditions, 1104 events. 22/1104 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2536 event pairs, 2 based on Foata normal form. 0/978 useless extension candidates. Maximal degree in co-relation 1091. Up to 17 conditions per place. [2024-11-16 23:43:36,110 INFO L140 encePairwiseOnDemand]: 1057/1060 looper letters, 12 selfloop transitions, 2 changer transitions 0/953 dead transitions. [2024-11-16 23:43:36,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 947 places, 953 transitions, 1947 flow [2024-11-16 23:43:36,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:36,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:36,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3057 transitions. [2024-11-16 23:43:36,116 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9613207547169811 [2024-11-16 23:43:36,116 INFO L175 Difference]: Start difference. First operand has 946 places, 954 transitions, 1921 flow. Second operand 3 states and 3057 transitions. [2024-11-16 23:43:36,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 947 places, 953 transitions, 1947 flow [2024-11-16 23:43:36,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 945 places, 953 transitions, 1943 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:36,132 INFO L231 Difference]: Finished difference. Result has 945 places, 953 transitions, 1919 flow [2024-11-16 23:43:36,133 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1915, PETRI_DIFFERENCE_MINUEND_PLACES=943, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=953, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=951, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1919, PETRI_PLACES=945, PETRI_TRANSITIONS=953} [2024-11-16 23:43:36,135 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -54 predicate places. [2024-11-16 23:43:36,135 INFO L471 AbstractCegarLoop]: Abstraction has has 945 places, 953 transitions, 1919 flow [2024-11-16 23:43:36,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:36,141 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:36,141 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:36,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:43:36,142 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:36,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:36,142 INFO L85 PathProgramCache]: Analyzing trace with hash -12351071, now seen corresponding path program 1 times [2024-11-16 23:43:36,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:36,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468267044] [2024-11-16 23:43:36,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:36,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:36,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:36,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:36,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468267044] [2024-11-16 23:43:36,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468267044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:36,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:36,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:36,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415334802] [2024-11-16 23:43:36,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:36,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:36,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:36,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:36,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:36,208 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1014 out of 1060 [2024-11-16 23:43:36,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 945 places, 953 transitions, 1919 flow. Second operand has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:36,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:36,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1014 of 1060 [2024-11-16 23:43:36,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:36,531 INFO L124 PetriNetUnfolderBase]: 32/1405 cut-off events. [2024-11-16 23:43:36,531 INFO L125 PetriNetUnfolderBase]: For 4/36 co-relation queries the response was YES. [2024-11-16 23:43:36,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1445 conditions, 1405 events. 32/1405 cut-off events. For 4/36 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4872 event pairs, 6 based on Foata normal form. 0/1228 useless extension candidates. Maximal degree in co-relation 1402. Up to 25 conditions per place. [2024-11-16 23:43:36,561 INFO L140 encePairwiseOnDemand]: 1057/1060 looper letters, 12 selfloop transitions, 2 changer transitions 0/952 dead transitions. [2024-11-16 23:43:36,561 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 946 places, 952 transitions, 1945 flow [2024-11-16 23:43:36,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:36,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:36,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3057 transitions. [2024-11-16 23:43:36,567 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9613207547169811 [2024-11-16 23:43:36,567 INFO L175 Difference]: Start difference. First operand has 945 places, 953 transitions, 1919 flow. Second operand 3 states and 3057 transitions. [2024-11-16 23:43:36,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 946 places, 952 transitions, 1945 flow [2024-11-16 23:43:36,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 944 places, 952 transitions, 1941 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:36,582 INFO L231 Difference]: Finished difference. Result has 944 places, 952 transitions, 1917 flow [2024-11-16 23:43:36,583 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1913, PETRI_DIFFERENCE_MINUEND_PLACES=942, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=952, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=950, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1917, PETRI_PLACES=944, PETRI_TRANSITIONS=952} [2024-11-16 23:43:36,584 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -55 predicate places. [2024-11-16 23:43:36,584 INFO L471 AbstractCegarLoop]: Abstraction has has 944 places, 952 transitions, 1917 flow [2024-11-16 23:43:36,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:36,585 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:36,585 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:36,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:43:36,586 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:36,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:36,586 INFO L85 PathProgramCache]: Analyzing trace with hash 114645800, now seen corresponding path program 1 times [2024-11-16 23:43:36,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:36,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3496716] [2024-11-16 23:43:36,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:36,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:36,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:36,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:36,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3496716] [2024-11-16 23:43:36,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3496716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:36,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:36,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:36,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993515239] [2024-11-16 23:43:36,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:36,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:36,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:36,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:36,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:36,642 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1014 out of 1060 [2024-11-16 23:43:36,644 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 944 places, 952 transitions, 1917 flow. Second operand has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:36,644 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:36,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1014 of 1060 [2024-11-16 23:43:36,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:36,879 INFO L124 PetriNetUnfolderBase]: 32/1404 cut-off events. [2024-11-16 23:43:36,879 INFO L125 PetriNetUnfolderBase]: For 4/28 co-relation queries the response was YES. [2024-11-16 23:43:36,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1444 conditions, 1404 events. 32/1404 cut-off events. For 4/28 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4826 event pairs, 6 based on Foata normal form. 0/1229 useless extension candidates. Maximal degree in co-relation 1401. Up to 25 conditions per place. [2024-11-16 23:43:36,905 INFO L140 encePairwiseOnDemand]: 1057/1060 looper letters, 12 selfloop transitions, 2 changer transitions 0/951 dead transitions. [2024-11-16 23:43:36,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 945 places, 951 transitions, 1943 flow [2024-11-16 23:43:36,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:36,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:36,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3057 transitions. [2024-11-16 23:43:36,909 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9613207547169811 [2024-11-16 23:43:36,909 INFO L175 Difference]: Start difference. First operand has 944 places, 952 transitions, 1917 flow. Second operand 3 states and 3057 transitions. [2024-11-16 23:43:36,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 945 places, 951 transitions, 1943 flow [2024-11-16 23:43:36,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 943 places, 951 transitions, 1939 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:36,950 INFO L231 Difference]: Finished difference. Result has 943 places, 951 transitions, 1915 flow [2024-11-16 23:43:36,951 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1911, PETRI_DIFFERENCE_MINUEND_PLACES=941, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=951, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=949, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1915, PETRI_PLACES=943, PETRI_TRANSITIONS=951} [2024-11-16 23:43:36,952 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -56 predicate places. [2024-11-16 23:43:36,952 INFO L471 AbstractCegarLoop]: Abstraction has has 943 places, 951 transitions, 1915 flow [2024-11-16 23:43:36,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:36,953 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:36,953 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:36,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:43:36,953 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:36,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:36,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1379600699, now seen corresponding path program 1 times [2024-11-16 23:43:36,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:36,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905318320] [2024-11-16 23:43:36,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:36,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:36,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:36,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:36,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905318320] [2024-11-16 23:43:36,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905318320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:36,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:36,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:36,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609618851] [2024-11-16 23:43:36,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:36,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:36,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:36,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:36,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:36,997 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1014 out of 1060 [2024-11-16 23:43:36,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 943 places, 951 transitions, 1915 flow. Second operand has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:36,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:36,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1014 of 1060 [2024-11-16 23:43:36,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:37,115 INFO L124 PetriNetUnfolderBase]: 19/980 cut-off events. [2024-11-16 23:43:37,116 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-16 23:43:37,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1009 conditions, 980 events. 19/980 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2057 event pairs, 2 based on Foata normal form. 0/880 useless extension candidates. Maximal degree in co-relation 966. Up to 17 conditions per place. [2024-11-16 23:43:37,130 INFO L140 encePairwiseOnDemand]: 1057/1060 looper letters, 12 selfloop transitions, 2 changer transitions 0/950 dead transitions. [2024-11-16 23:43:37,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 944 places, 950 transitions, 1941 flow [2024-11-16 23:43:37,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:37,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:37,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3057 transitions. [2024-11-16 23:43:37,134 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9613207547169811 [2024-11-16 23:43:37,135 INFO L175 Difference]: Start difference. First operand has 943 places, 951 transitions, 1915 flow. Second operand 3 states and 3057 transitions. [2024-11-16 23:43:37,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 944 places, 950 transitions, 1941 flow [2024-11-16 23:43:37,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 942 places, 950 transitions, 1937 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:37,145 INFO L231 Difference]: Finished difference. Result has 942 places, 950 transitions, 1913 flow [2024-11-16 23:43:37,146 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1909, PETRI_DIFFERENCE_MINUEND_PLACES=940, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=950, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=948, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1913, PETRI_PLACES=942, PETRI_TRANSITIONS=950} [2024-11-16 23:43:37,147 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -57 predicate places. [2024-11-16 23:43:37,147 INFO L471 AbstractCegarLoop]: Abstraction has has 942 places, 950 transitions, 1913 flow [2024-11-16 23:43:37,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:37,148 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:37,148 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:37,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:43:37,148 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:37,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:37,149 INFO L85 PathProgramCache]: Analyzing trace with hash -2008229325, now seen corresponding path program 1 times [2024-11-16 23:43:37,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:37,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227150868] [2024-11-16 23:43:37,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:37,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:37,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:37,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:37,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227150868] [2024-11-16 23:43:37,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227150868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:37,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:37,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:37,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107071594] [2024-11-16 23:43:37,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:37,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:37,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:37,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:37,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:37,195 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1014 out of 1060 [2024-11-16 23:43:37,198 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 942 places, 950 transitions, 1913 flow. Second operand has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:37,198 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:37,198 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1014 of 1060 [2024-11-16 23:43:37,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:37,359 INFO L124 PetriNetUnfolderBase]: 29/1215 cut-off events. [2024-11-16 23:43:37,359 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2024-11-16 23:43:37,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1252 conditions, 1215 events. 29/1215 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3091 event pairs, 6 based on Foata normal form. 0/1071 useless extension candidates. Maximal degree in co-relation 1209. Up to 25 conditions per place. [2024-11-16 23:43:37,376 INFO L140 encePairwiseOnDemand]: 1057/1060 looper letters, 12 selfloop transitions, 2 changer transitions 0/949 dead transitions. [2024-11-16 23:43:37,376 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 943 places, 949 transitions, 1939 flow [2024-11-16 23:43:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:37,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:37,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3057 transitions. [2024-11-16 23:43:37,380 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9613207547169811 [2024-11-16 23:43:37,380 INFO L175 Difference]: Start difference. First operand has 942 places, 950 transitions, 1913 flow. Second operand 3 states and 3057 transitions. [2024-11-16 23:43:37,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 943 places, 949 transitions, 1939 flow [2024-11-16 23:43:37,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 941 places, 949 transitions, 1935 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:37,390 INFO L231 Difference]: Finished difference. Result has 941 places, 949 transitions, 1911 flow [2024-11-16 23:43:37,391 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1907, PETRI_DIFFERENCE_MINUEND_PLACES=939, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=949, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=947, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1911, PETRI_PLACES=941, PETRI_TRANSITIONS=949} [2024-11-16 23:43:37,392 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -58 predicate places. [2024-11-16 23:43:37,392 INFO L471 AbstractCegarLoop]: Abstraction has has 941 places, 949 transitions, 1911 flow [2024-11-16 23:43:37,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:37,393 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:37,393 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:37,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:43:37,393 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:37,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:37,394 INFO L85 PathProgramCache]: Analyzing trace with hash 21666867, now seen corresponding path program 1 times [2024-11-16 23:43:37,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:37,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761285348] [2024-11-16 23:43:37,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:37,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:37,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:37,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:37,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761285348] [2024-11-16 23:43:37,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761285348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:37,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:37,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:37,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65596375] [2024-11-16 23:43:37,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:37,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:37,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:37,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:37,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:37,439 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1014 out of 1060 [2024-11-16 23:43:37,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 941 places, 949 transitions, 1911 flow. Second operand has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:37,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:37,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1014 of 1060 [2024-11-16 23:43:37,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:37,592 INFO L124 PetriNetUnfolderBase]: 29/1176 cut-off events. [2024-11-16 23:43:37,592 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2024-11-16 23:43:37,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1213 conditions, 1176 events. 29/1176 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2953 event pairs, 6 based on Foata normal form. 0/1039 useless extension candidates. Maximal degree in co-relation 1170. Up to 25 conditions per place. [2024-11-16 23:43:37,609 INFO L140 encePairwiseOnDemand]: 1057/1060 looper letters, 12 selfloop transitions, 2 changer transitions 0/948 dead transitions. [2024-11-16 23:43:37,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 942 places, 948 transitions, 1937 flow [2024-11-16 23:43:37,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:37,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:37,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3057 transitions. [2024-11-16 23:43:37,614 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9613207547169811 [2024-11-16 23:43:37,614 INFO L175 Difference]: Start difference. First operand has 941 places, 949 transitions, 1911 flow. Second operand 3 states and 3057 transitions. [2024-11-16 23:43:37,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 942 places, 948 transitions, 1937 flow [2024-11-16 23:43:37,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 940 places, 948 transitions, 1933 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:37,630 INFO L231 Difference]: Finished difference. Result has 940 places, 948 transitions, 1909 flow [2024-11-16 23:43:37,631 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1905, PETRI_DIFFERENCE_MINUEND_PLACES=938, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=948, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=946, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1909, PETRI_PLACES=940, PETRI_TRANSITIONS=948} [2024-11-16 23:43:37,631 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -59 predicate places. [2024-11-16 23:43:37,631 INFO L471 AbstractCegarLoop]: Abstraction has has 940 places, 948 transitions, 1909 flow [2024-11-16 23:43:37,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:37,633 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:37,633 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:37,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 23:43:37,633 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:37,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:37,634 INFO L85 PathProgramCache]: Analyzing trace with hash -2049407714, now seen corresponding path program 1 times [2024-11-16 23:43:37,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:37,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052397946] [2024-11-16 23:43:37,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:37,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:37,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:37,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:37,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052397946] [2024-11-16 23:43:37,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052397946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:37,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:37,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:37,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029333675] [2024-11-16 23:43:37,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:37,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:37,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:37,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:37,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:37,691 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1013 out of 1060 [2024-11-16 23:43:37,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 940 places, 948 transitions, 1909 flow. Second operand has 3 states, 3 states have (on average 1014.3333333333334) internal successors, (3043), 3 states have internal predecessors, (3043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:37,693 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:37,693 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1013 of 1060 [2024-11-16 23:43:37,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:38,008 INFO L124 PetriNetUnfolderBase]: 61/2119 cut-off events. [2024-11-16 23:43:38,009 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:43:38,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2191 conditions, 2119 events. 61/2119 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 10777 event pairs, 20 based on Foata normal form. 0/1824 useless extension candidates. Maximal degree in co-relation 2148. Up to 50 conditions per place. [2024-11-16 23:43:38,047 INFO L140 encePairwiseOnDemand]: 1057/1060 looper letters, 13 selfloop transitions, 2 changer transitions 0/947 dead transitions. [2024-11-16 23:43:38,047 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 941 places, 947 transitions, 1937 flow [2024-11-16 23:43:38,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:38,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:38,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3055 transitions. [2024-11-16 23:43:38,051 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.960691823899371 [2024-11-16 23:43:38,051 INFO L175 Difference]: Start difference. First operand has 940 places, 948 transitions, 1909 flow. Second operand 3 states and 3055 transitions. [2024-11-16 23:43:38,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 941 places, 947 transitions, 1937 flow [2024-11-16 23:43:38,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 939 places, 947 transitions, 1933 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:38,062 INFO L231 Difference]: Finished difference. Result has 939 places, 947 transitions, 1907 flow [2024-11-16 23:43:38,063 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1903, PETRI_DIFFERENCE_MINUEND_PLACES=937, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=947, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=945, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1907, PETRI_PLACES=939, PETRI_TRANSITIONS=947} [2024-11-16 23:43:38,064 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -60 predicate places. [2024-11-16 23:43:38,064 INFO L471 AbstractCegarLoop]: Abstraction has has 939 places, 947 transitions, 1907 flow [2024-11-16 23:43:38,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1014.3333333333334) internal successors, (3043), 3 states have internal predecessors, (3043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:38,065 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:38,065 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:38,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 23:43:38,065 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:38,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:38,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1565991542, now seen corresponding path program 1 times [2024-11-16 23:43:38,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:38,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358072609] [2024-11-16 23:43:38,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:38,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:38,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:38,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:38,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358072609] [2024-11-16 23:43:38,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358072609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:38,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:38,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:43:38,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277321986] [2024-11-16 23:43:38,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:38,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:43:38,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:38,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:43:38,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:43:38,923 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 925 out of 1060 [2024-11-16 23:43:38,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 939 places, 947 transitions, 1907 flow. Second operand has 6 states, 6 states have (on average 926.5) internal successors, (5559), 6 states have internal predecessors, (5559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:38,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:38,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 925 of 1060 [2024-11-16 23:43:38,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:55,951 INFO L124 PetriNetUnfolderBase]: 15256/84673 cut-off events. [2024-11-16 23:43:55,951 INFO L125 PetriNetUnfolderBase]: For 719/719 co-relation queries the response was YES. [2024-11-16 23:43:56,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107102 conditions, 84673 events. 15256/84673 cut-off events. For 719/719 co-relation queries the response was YES. Maximal size of possible extension queue 1172. Compared 1250306 event pairs, 14040 based on Foata normal form. 0/73984 useless extension candidates. Maximal degree in co-relation 107060. Up to 22026 conditions per place. [2024-11-16 23:43:56,550 INFO L140 encePairwiseOnDemand]: 1042/1060 looper letters, 87 selfloop transitions, 15 changer transitions 0/944 dead transitions. [2024-11-16 23:43:56,551 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 941 places, 944 transitions, 2105 flow [2024-11-16 23:43:56,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:43:56,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:43:56,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5655 transitions. [2024-11-16 23:43:56,557 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8891509433962265 [2024-11-16 23:43:56,557 INFO L175 Difference]: Start difference. First operand has 939 places, 947 transitions, 1907 flow. Second operand 6 states and 5655 transitions. [2024-11-16 23:43:56,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 941 places, 944 transitions, 2105 flow [2024-11-16 23:43:56,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 939 places, 944 transitions, 2101 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:56,566 INFO L231 Difference]: Finished difference. Result has 939 places, 944 transitions, 1927 flow [2024-11-16 23:43:56,567 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1897, PETRI_DIFFERENCE_MINUEND_PLACES=934, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=944, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=929, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1927, PETRI_PLACES=939, PETRI_TRANSITIONS=944} [2024-11-16 23:43:56,567 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -60 predicate places. [2024-11-16 23:43:56,568 INFO L471 AbstractCegarLoop]: Abstraction has has 939 places, 944 transitions, 1927 flow [2024-11-16 23:43:56,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 926.5) internal successors, (5559), 6 states have internal predecessors, (5559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:56,569 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:56,569 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:56,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 23:43:56,569 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:56,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:56,570 INFO L85 PathProgramCache]: Analyzing trace with hash -437181927, now seen corresponding path program 1 times [2024-11-16 23:43:56,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:56,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441768648] [2024-11-16 23:43:56,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:56,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:56,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:56,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:56,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441768648] [2024-11-16 23:43:56,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441768648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:56,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:56,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:56,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227275177] [2024-11-16 23:43:56,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:56,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:56,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:56,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:56,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:56,637 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1013 out of 1060 [2024-11-16 23:43:56,639 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 939 places, 944 transitions, 1927 flow. Second operand has 3 states, 3 states have (on average 1014.3333333333334) internal successors, (3043), 3 states have internal predecessors, (3043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:56,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:56,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1013 of 1060 [2024-11-16 23:43:56,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:56,885 INFO L124 PetriNetUnfolderBase]: 47/1841 cut-off events. [2024-11-16 23:43:56,885 INFO L125 PetriNetUnfolderBase]: For 7/13 co-relation queries the response was YES. [2024-11-16 23:43:56,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1908 conditions, 1841 events. 47/1841 cut-off events. For 7/13 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 7514 event pairs, 12 based on Foata normal form. 0/1598 useless extension candidates. Maximal degree in co-relation 1865. Up to 38 conditions per place. [2024-11-16 23:43:56,911 INFO L140 encePairwiseOnDemand]: 1057/1060 looper letters, 13 selfloop transitions, 2 changer transitions 0/943 dead transitions. [2024-11-16 23:43:56,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 940 places, 943 transitions, 1955 flow [2024-11-16 23:43:56,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:56,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:56,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3055 transitions. [2024-11-16 23:43:56,916 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.960691823899371 [2024-11-16 23:43:56,916 INFO L175 Difference]: Start difference. First operand has 939 places, 944 transitions, 1927 flow. Second operand 3 states and 3055 transitions. [2024-11-16 23:43:56,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 940 places, 943 transitions, 1955 flow [2024-11-16 23:43:56,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 935 places, 943 transitions, 1925 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:43:56,925 INFO L231 Difference]: Finished difference. Result has 935 places, 943 transitions, 1899 flow [2024-11-16 23:43:56,925 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1895, PETRI_DIFFERENCE_MINUEND_PLACES=933, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=943, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=941, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1899, PETRI_PLACES=935, PETRI_TRANSITIONS=943} [2024-11-16 23:43:56,926 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -64 predicate places. [2024-11-16 23:43:56,926 INFO L471 AbstractCegarLoop]: Abstraction has has 935 places, 943 transitions, 1899 flow [2024-11-16 23:43:56,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1014.3333333333334) internal successors, (3043), 3 states have internal predecessors, (3043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:56,926 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:56,927 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:56,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 23:43:56,927 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:56,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:56,927 INFO L85 PathProgramCache]: Analyzing trace with hash -862369035, now seen corresponding path program 1 times [2024-11-16 23:43:56,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:56,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407398305] [2024-11-16 23:43:56,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:56,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:56,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:56,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:56,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407398305] [2024-11-16 23:43:56,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407398305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:56,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:56,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:56,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585058563] [2024-11-16 23:43:56,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:56,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:56,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:56,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:56,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:56,993 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1013 out of 1060 [2024-11-16 23:43:56,994 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 935 places, 943 transitions, 1899 flow. Second operand has 3 states, 3 states have (on average 1014.3333333333334) internal successors, (3043), 3 states have internal predecessors, (3043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:56,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:56,995 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1013 of 1060 [2024-11-16 23:43:56,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:57,305 INFO L124 PetriNetUnfolderBase]: 52/1637 cut-off events. [2024-11-16 23:43:57,305 INFO L125 PetriNetUnfolderBase]: For 12/24 co-relation queries the response was YES. [2024-11-16 23:43:57,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1701 conditions, 1637 events. 52/1637 cut-off events. For 12/24 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6123 event pairs, 20 based on Foata normal form. 0/1430 useless extension candidates. Maximal degree in co-relation 1658. Up to 50 conditions per place. [2024-11-16 23:43:57,328 INFO L140 encePairwiseOnDemand]: 1057/1060 looper letters, 13 selfloop transitions, 2 changer transitions 0/942 dead transitions. [2024-11-16 23:43:57,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 936 places, 942 transitions, 1927 flow [2024-11-16 23:43:57,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:57,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:57,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3055 transitions. [2024-11-16 23:43:57,331 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.960691823899371 [2024-11-16 23:43:57,331 INFO L175 Difference]: Start difference. First operand has 935 places, 943 transitions, 1899 flow. Second operand 3 states and 3055 transitions. [2024-11-16 23:43:57,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 936 places, 942 transitions, 1927 flow [2024-11-16 23:43:57,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 934 places, 942 transitions, 1923 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:57,340 INFO L231 Difference]: Finished difference. Result has 934 places, 942 transitions, 1897 flow [2024-11-16 23:43:57,341 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1893, PETRI_DIFFERENCE_MINUEND_PLACES=932, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=942, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=940, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1897, PETRI_PLACES=934, PETRI_TRANSITIONS=942} [2024-11-16 23:43:57,342 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -65 predicate places. [2024-11-16 23:43:57,342 INFO L471 AbstractCegarLoop]: Abstraction has has 934 places, 942 transitions, 1897 flow [2024-11-16 23:43:57,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1014.3333333333334) internal successors, (3043), 3 states have internal predecessors, (3043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:57,343 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:57,343 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:57,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 23:43:57,343 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:43:57,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:57,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1091357242, now seen corresponding path program 1 times [2024-11-16 23:43:57,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:57,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59475662] [2024-11-16 23:43:57,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:57,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:57,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:57,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:57,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59475662] [2024-11-16 23:43:57,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59475662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:57,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:57,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:57,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78762772] [2024-11-16 23:43:57,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:57,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:57,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:57,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:57,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:57,665 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 925 out of 1060 [2024-11-16 23:43:57,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 934 places, 942 transitions, 1897 flow. Second operand has 3 states, 3 states have (on average 927.0) internal successors, (2781), 3 states have internal predecessors, (2781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:57,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:57,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 925 of 1060 [2024-11-16 23:43:57,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:13,346 INFO L124 PetriNetUnfolderBase]: 15256/84668 cut-off events. [2024-11-16 23:44:13,347 INFO L125 PetriNetUnfolderBase]: For 719/719 co-relation queries the response was YES. [2024-11-16 23:44:13,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107097 conditions, 84668 events. 15256/84668 cut-off events. For 719/719 co-relation queries the response was YES. Maximal size of possible extension queue 1172. Compared 1250547 event pairs, 14040 based on Foata normal form. 0/73984 useless extension candidates. Maximal degree in co-relation 107055. Up to 22035 conditions per place. [2024-11-16 23:44:14,028 INFO L140 encePairwiseOnDemand]: 1051/1060 looper letters, 96 selfloop transitions, 6 changer transitions 0/939 dead transitions. [2024-11-16 23:44:14,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 933 places, 939 transitions, 2095 flow [2024-11-16 23:44:14,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:14,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:14,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2880 transitions. [2024-11-16 23:44:14,031 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9056603773584906 [2024-11-16 23:44:14,031 INFO L175 Difference]: Start difference. First operand has 934 places, 942 transitions, 1897 flow. Second operand 3 states and 2880 transitions. [2024-11-16 23:44:14,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 933 places, 939 transitions, 2095 flow [2024-11-16 23:44:14,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 931 places, 939 transitions, 2091 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:14,039 INFO L231 Difference]: Finished difference. Result has 931 places, 939 transitions, 1899 flow [2024-11-16 23:44:14,040 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1887, PETRI_DIFFERENCE_MINUEND_PLACES=929, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=939, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=933, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1899, PETRI_PLACES=931, PETRI_TRANSITIONS=939} [2024-11-16 23:44:14,040 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -68 predicate places. [2024-11-16 23:44:14,040 INFO L471 AbstractCegarLoop]: Abstraction has has 931 places, 939 transitions, 1899 flow [2024-11-16 23:44:14,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 927.0) internal successors, (2781), 3 states have internal predecessors, (2781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:14,041 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:14,041 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:14,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 23:44:14,042 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:44:14,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:14,042 INFO L85 PathProgramCache]: Analyzing trace with hash -16825931, now seen corresponding path program 1 times [2024-11-16 23:44:14,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:14,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537232655] [2024-11-16 23:44:14,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:14,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:14,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:14,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:14,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537232655] [2024-11-16 23:44:14,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537232655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:14,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:14,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:14,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953659271] [2024-11-16 23:44:14,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:14,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:14,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:14,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:14,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:14,104 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1015 out of 1060 [2024-11-16 23:44:14,106 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 931 places, 939 transitions, 1899 flow. Second operand has 3 states, 3 states have (on average 1016.3333333333334) internal successors, (3049), 3 states have internal predecessors, (3049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:14,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:14,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1015 of 1060 [2024-11-16 23:44:14,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:14,309 INFO L124 PetriNetUnfolderBase]: 36/1541 cut-off events. [2024-11-16 23:44:14,310 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-16 23:44:14,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1586 conditions, 1541 events. 36/1541 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 5773 event pairs, 7 based on Foata normal form. 0/1355 useless extension candidates. Maximal degree in co-relation 1556. Up to 25 conditions per place. [2024-11-16 23:44:14,333 INFO L140 encePairwiseOnDemand]: 1057/1060 looper letters, 11 selfloop transitions, 2 changer transitions 0/938 dead transitions. [2024-11-16 23:44:14,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 932 places, 938 transitions, 1923 flow [2024-11-16 23:44:14,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:14,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:14,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3059 transitions. [2024-11-16 23:44:14,336 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9619496855345911 [2024-11-16 23:44:14,336 INFO L175 Difference]: Start difference. First operand has 931 places, 939 transitions, 1899 flow. Second operand 3 states and 3059 transitions. [2024-11-16 23:44:14,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 932 places, 938 transitions, 1923 flow [2024-11-16 23:44:14,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 930 places, 938 transitions, 1911 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:14,345 INFO L231 Difference]: Finished difference. Result has 930 places, 938 transitions, 1889 flow [2024-11-16 23:44:14,345 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1885, PETRI_DIFFERENCE_MINUEND_PLACES=928, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=938, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=936, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1889, PETRI_PLACES=930, PETRI_TRANSITIONS=938} [2024-11-16 23:44:14,346 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -69 predicate places. [2024-11-16 23:44:14,346 INFO L471 AbstractCegarLoop]: Abstraction has has 930 places, 938 transitions, 1889 flow [2024-11-16 23:44:14,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1016.3333333333334) internal successors, (3049), 3 states have internal predecessors, (3049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:14,347 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:14,347 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:14,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 23:44:14,347 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:44:14,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:14,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1824505508, now seen corresponding path program 1 times [2024-11-16 23:44:14,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:14,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045452951] [2024-11-16 23:44:14,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:14,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:14,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:14,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:14,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045452951] [2024-11-16 23:44:14,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045452951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:14,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:14,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:14,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027182263] [2024-11-16 23:44:14,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:14,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:14,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:14,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:14,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:14,425 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1015 out of 1060 [2024-11-16 23:44:14,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 930 places, 938 transitions, 1889 flow. Second operand has 3 states, 3 states have (on average 1016.3333333333334) internal successors, (3049), 3 states have internal predecessors, (3049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:14,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:14,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1015 of 1060 [2024-11-16 23:44:14,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:14,615 INFO L124 PetriNetUnfolderBase]: 34/1453 cut-off events. [2024-11-16 23:44:14,615 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-16 23:44:14,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1489 conditions, 1453 events. 34/1453 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4515 event pairs, 5 based on Foata normal form. 0/1281 useless extension candidates. Maximal degree in co-relation 1446. Up to 22 conditions per place. [2024-11-16 23:44:14,635 INFO L140 encePairwiseOnDemand]: 1057/1060 looper letters, 11 selfloop transitions, 2 changer transitions 0/937 dead transitions. [2024-11-16 23:44:14,636 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 931 places, 937 transitions, 1913 flow [2024-11-16 23:44:14,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:14,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:14,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3059 transitions. [2024-11-16 23:44:14,638 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9619496855345911 [2024-11-16 23:44:14,638 INFO L175 Difference]: Start difference. First operand has 930 places, 938 transitions, 1889 flow. Second operand 3 states and 3059 transitions. [2024-11-16 23:44:14,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 931 places, 937 transitions, 1913 flow [2024-11-16 23:44:14,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 929 places, 937 transitions, 1909 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:14,647 INFO L231 Difference]: Finished difference. Result has 929 places, 937 transitions, 1887 flow [2024-11-16 23:44:14,648 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1883, PETRI_DIFFERENCE_MINUEND_PLACES=927, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=937, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=935, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1887, PETRI_PLACES=929, PETRI_TRANSITIONS=937} [2024-11-16 23:44:14,648 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -70 predicate places. [2024-11-16 23:44:14,649 INFO L471 AbstractCegarLoop]: Abstraction has has 929 places, 937 transitions, 1887 flow [2024-11-16 23:44:14,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1016.3333333333334) internal successors, (3049), 3 states have internal predecessors, (3049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:14,649 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:14,649 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:14,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 23:44:14,650 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:44:14,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:14,650 INFO L85 PathProgramCache]: Analyzing trace with hash 20714588, now seen corresponding path program 1 times [2024-11-16 23:44:14,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:14,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238766640] [2024-11-16 23:44:14,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:14,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:14,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:14,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:14,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238766640] [2024-11-16 23:44:14,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238766640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:14,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:14,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:14,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163030451] [2024-11-16 23:44:14,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:14,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:14,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:14,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:14,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:14,730 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1015 out of 1060 [2024-11-16 23:44:14,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 929 places, 937 transitions, 1887 flow. Second operand has 3 states, 3 states have (on average 1016.3333333333334) internal successors, (3049), 3 states have internal predecessors, (3049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:14,731 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:14,731 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1015 of 1060 [2024-11-16 23:44:14,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:15,034 INFO L124 PetriNetUnfolderBase]: 32/1282 cut-off events. [2024-11-16 23:44:15,034 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-16 23:44:15,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1321 conditions, 1282 events. 32/1282 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3626 event pairs, 7 based on Foata normal form. 0/1141 useless extension candidates. Maximal degree in co-relation 1278. Up to 26 conditions per place. [2024-11-16 23:44:15,053 INFO L140 encePairwiseOnDemand]: 1057/1060 looper letters, 11 selfloop transitions, 2 changer transitions 0/936 dead transitions. [2024-11-16 23:44:15,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 930 places, 936 transitions, 1911 flow [2024-11-16 23:44:15,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:15,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:15,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3059 transitions. [2024-11-16 23:44:15,055 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9619496855345911 [2024-11-16 23:44:15,055 INFO L175 Difference]: Start difference. First operand has 929 places, 937 transitions, 1887 flow. Second operand 3 states and 3059 transitions. [2024-11-16 23:44:15,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 930 places, 936 transitions, 1911 flow [2024-11-16 23:44:15,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 928 places, 936 transitions, 1907 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:15,063 INFO L231 Difference]: Finished difference. Result has 928 places, 936 transitions, 1885 flow [2024-11-16 23:44:15,064 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1881, PETRI_DIFFERENCE_MINUEND_PLACES=926, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=936, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=934, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1885, PETRI_PLACES=928, PETRI_TRANSITIONS=936} [2024-11-16 23:44:15,064 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -71 predicate places. [2024-11-16 23:44:15,064 INFO L471 AbstractCegarLoop]: Abstraction has has 928 places, 936 transitions, 1885 flow [2024-11-16 23:44:15,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1016.3333333333334) internal successors, (3049), 3 states have internal predecessors, (3049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:15,065 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:15,065 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:15,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 23:44:15,066 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:44:15,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:15,066 INFO L85 PathProgramCache]: Analyzing trace with hash -781309887, now seen corresponding path program 1 times [2024-11-16 23:44:15,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:15,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889052310] [2024-11-16 23:44:15,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:15,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:15,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:15,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889052310] [2024-11-16 23:44:15,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889052310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:15,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:15,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:15,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792874125] [2024-11-16 23:44:15,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:15,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:15,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:15,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:15,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:15,134 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1011 out of 1060 [2024-11-16 23:44:15,135 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 928 places, 936 transitions, 1885 flow. Second operand has 3 states, 3 states have (on average 1012.3333333333334) internal successors, (3037), 3 states have internal predecessors, (3037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:15,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:15,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1011 of 1060 [2024-11-16 23:44:15,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:15,625 INFO L124 PetriNetUnfolderBase]: 124/3300 cut-off events. [2024-11-16 23:44:15,626 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-16 23:44:15,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3470 conditions, 3300 events. 124/3300 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 22627 event pairs, 53 based on Foata normal form. 0/2870 useless extension candidates. Maximal degree in co-relation 3428. Up to 127 conditions per place. [2024-11-16 23:44:15,685 INFO L140 encePairwiseOnDemand]: 1054/1060 looper letters, 17 selfloop transitions, 2 changer transitions 0/936 dead transitions. [2024-11-16 23:44:15,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 926 places, 936 transitions, 1925 flow [2024-11-16 23:44:15,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:15,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:15,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3056 transitions. [2024-11-16 23:44:15,687 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9610062893081761 [2024-11-16 23:44:15,687 INFO L175 Difference]: Start difference. First operand has 928 places, 936 transitions, 1885 flow. Second operand 3 states and 3056 transitions. [2024-11-16 23:44:15,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 926 places, 936 transitions, 1925 flow [2024-11-16 23:44:15,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 924 places, 936 transitions, 1921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:15,701 INFO L231 Difference]: Finished difference. Result has 925 places, 934 transitions, 1887 flow [2024-11-16 23:44:15,702 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1873, PETRI_DIFFERENCE_MINUEND_PLACES=922, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=932, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=930, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1887, PETRI_PLACES=925, PETRI_TRANSITIONS=934} [2024-11-16 23:44:15,702 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -74 predicate places. [2024-11-16 23:44:15,702 INFO L471 AbstractCegarLoop]: Abstraction has has 925 places, 934 transitions, 1887 flow [2024-11-16 23:44:15,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1012.3333333333334) internal successors, (3037), 3 states have internal predecessors, (3037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:15,703 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:15,703 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:15,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 23:44:15,703 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:44:15,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:15,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1644597413, now seen corresponding path program 1 times [2024-11-16 23:44:15,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:15,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233143014] [2024-11-16 23:44:15,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:15,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:15,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:15,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:15,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233143014] [2024-11-16 23:44:15,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233143014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:15,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:15,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 23:44:15,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094158679] [2024-11-16 23:44:15,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:15,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 23:44:15,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:15,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 23:44:15,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 23:44:16,217 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 988 out of 1060 [2024-11-16 23:44:16,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 925 places, 934 transitions, 1887 flow. Second operand has 7 states, 7 states have (on average 992.4285714285714) internal successors, (6947), 7 states have internal predecessors, (6947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:16,220 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:16,220 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 988 of 1060 [2024-11-16 23:44:16,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:16,601 INFO L124 PetriNetUnfolderBase]: 40/2008 cut-off events. [2024-11-16 23:44:16,601 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-16 23:44:16,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2108 conditions, 2008 events. 40/2008 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 8836 event pairs, 0 based on Foata normal form. 1/1812 useless extension candidates. Maximal degree in co-relation 2063. Up to 39 conditions per place. [2024-11-16 23:44:16,638 INFO L140 encePairwiseOnDemand]: 1050/1060 looper letters, 67 selfloop transitions, 9 changer transitions 0/969 dead transitions. [2024-11-16 23:44:16,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 931 places, 969 transitions, 2115 flow [2024-11-16 23:44:16,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 23:44:16,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-16 23:44:16,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6993 transitions. [2024-11-16 23:44:16,642 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9424528301886792 [2024-11-16 23:44:16,642 INFO L175 Difference]: Start difference. First operand has 925 places, 934 transitions, 1887 flow. Second operand 7 states and 6993 transitions. [2024-11-16 23:44:16,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 931 places, 969 transitions, 2115 flow [2024-11-16 23:44:16,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 931 places, 969 transitions, 2115 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:44:16,653 INFO L231 Difference]: Finished difference. Result has 935 places, 940 transitions, 1944 flow [2024-11-16 23:44:16,654 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1887, PETRI_DIFFERENCE_MINUEND_PLACES=925, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=934, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=925, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1944, PETRI_PLACES=935, PETRI_TRANSITIONS=940} [2024-11-16 23:44:16,654 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -64 predicate places. [2024-11-16 23:44:16,654 INFO L471 AbstractCegarLoop]: Abstraction has has 935 places, 940 transitions, 1944 flow [2024-11-16 23:44:16,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 992.4285714285714) internal successors, (6947), 7 states have internal predecessors, (6947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:16,656 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:16,656 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:16,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 23:44:16,656 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:44:16,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:16,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1971154437, now seen corresponding path program 1 times [2024-11-16 23:44:16,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:16,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218175099] [2024-11-16 23:44:16,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:16,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:16,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:16,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:16,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218175099] [2024-11-16 23:44:16,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218175099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:16,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:16,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 23:44:16,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635864588] [2024-11-16 23:44:16,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:16,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 23:44:16,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:16,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 23:44:16,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-16 23:44:17,304 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 983 out of 1060 [2024-11-16 23:44:17,308 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 935 places, 940 transitions, 1944 flow. Second operand has 8 states, 8 states have (on average 987.375) internal successors, (7899), 8 states have internal predecessors, (7899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:17,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:17,308 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 983 of 1060 [2024-11-16 23:44:17,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:17,915 INFO L124 PetriNetUnfolderBase]: 58/2935 cut-off events. [2024-11-16 23:44:17,915 INFO L125 PetriNetUnfolderBase]: For 30/36 co-relation queries the response was YES. [2024-11-16 23:44:17,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3126 conditions, 2935 events. 58/2935 cut-off events. For 30/36 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 16494 event pairs, 0 based on Foata normal form. 1/2643 useless extension candidates. Maximal degree in co-relation 3077. Up to 80 conditions per place. [2024-11-16 23:44:17,951 INFO L140 encePairwiseOnDemand]: 1047/1060 looper letters, 80 selfloop transitions, 13 changer transitions 0/981 dead transitions. [2024-11-16 23:44:17,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 943 places, 981 transitions, 2232 flow [2024-11-16 23:44:17,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 23:44:17,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-16 23:44:17,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8935 transitions. [2024-11-16 23:44:17,956 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9365828092243187 [2024-11-16 23:44:17,956 INFO L175 Difference]: Start difference. First operand has 935 places, 940 transitions, 1944 flow. Second operand 9 states and 8935 transitions. [2024-11-16 23:44:17,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 943 places, 981 transitions, 2232 flow [2024-11-16 23:44:17,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 941 places, 981 transitions, 2227 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:17,965 INFO L231 Difference]: Finished difference. Result has 948 places, 951 transitions, 2033 flow [2024-11-16 23:44:17,966 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1060, PETRI_DIFFERENCE_MINUEND_FLOW=1939, PETRI_DIFFERENCE_MINUEND_PLACES=933, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=940, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=928, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2033, PETRI_PLACES=948, PETRI_TRANSITIONS=951} [2024-11-16 23:44:17,966 INFO L277 CegarLoopForPetriNet]: 999 programPoint places, -51 predicate places. [2024-11-16 23:44:17,966 INFO L471 AbstractCegarLoop]: Abstraction has has 948 places, 951 transitions, 2033 flow [2024-11-16 23:44:17,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 987.375) internal successors, (7899), 8 states have internal predecessors, (7899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:17,967 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:17,967 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:17,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-16 23:44:17,968 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-16 23:44:17,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:17,968 INFO L85 PathProgramCache]: Analyzing trace with hash 302338268, now seen corresponding path program 1 times [2024-11-16 23:44:17,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:17,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050026491] [2024-11-16 23:44:17,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:17,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:18,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:18,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:18,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050026491] [2024-11-16 23:44:18,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050026491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:18,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:18,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:44:18,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000603185] [2024-11-16 23:44:18,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:18,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:44:18,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:18,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:44:18,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:44:19,200 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 981 out of 1060 [2024-11-16 23:44:19,203 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 948 places, 951 transitions, 2033 flow. Second operand has 6 states, 6 states have (on average 982.6666666666666) internal successors, (5896), 6 states have internal predecessors, (5896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:19,203 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:19,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 981 of 1060 [2024-11-16 23:44:19,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand