./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-simpl-str-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f 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-simpl-str-trans.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 f7b74cf7a2419cab3ab4545eb4bb4cb738b0dd565da7b17a0ca0e4253475f1b6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:37:20,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:37:20,935 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:37:20,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:37:20,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:37:20,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:37:20,975 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:37:20,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:37:20,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:37:20,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:37:20,978 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:37:20,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:37:20,979 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:37:20,979 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:37:20,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:37:20,981 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:37:20,982 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:37:20,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:37:20,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:37:20,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:37:20,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:37:20,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:37:20,987 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:37:20,987 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:37:20,988 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:37:20,988 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:37:20,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:37:20,989 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:37:20,989 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:37:20,989 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:37:20,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:37:20,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:37:20,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:37:20,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:37:20,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:37:20,991 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:37:20,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:37:20,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:37:20,992 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:37:20,992 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:37:20,992 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:37:20,994 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7b74cf7a2419cab3ab4545eb4bb4cb738b0dd565da7b17a0ca0e4253475f1b6 [2024-11-10 14:37:21,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:37:21,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:37:21,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:37:21,292 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:37:21,292 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:37:21,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-simpl-str-trans.wvr.c [2024-11-10 14:37:22,722 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:37:22,940 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:37:22,940 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-simpl-str-trans.wvr.c [2024-11-10 14:37:22,951 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35087fa49/fe5aec96c67c440f9573f2e711e05e49/FLAGf73fd0112 [2024-11-10 14:37:23,287 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35087fa49/fe5aec96c67c440f9573f2e711e05e49 [2024-11-10 14:37:23,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:37:23,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:37:23,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:37:23,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:37:23,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:37:23,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:37:23" (1/1) ... [2024-11-10 14:37:23,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8061377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23, skipping insertion in model container [2024-11-10 14:37:23,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:37:23" (1/1) ... [2024-11-10 14:37:23,318 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:37:23,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:37:23,571 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:37:23,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:37:23,615 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:37:23,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23 WrapperNode [2024-11-10 14:37:23,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:37:23,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:37:23,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:37:23,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:37:23,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2024-11-10 14:37:23,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2024-11-10 14:37:23,658 INFO L138 Inliner]: procedures = 22, calls = 16, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 235 [2024-11-10 14:37:23,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:37:23,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:37:23,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:37:23,660 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:37:23,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2024-11-10 14:37:23,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2024-11-10 14:37:23,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2024-11-10 14:37:23,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2024-11-10 14:37:23,677 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2024-11-10 14:37:23,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2024-11-10 14:37:23,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2024-11-10 14:37:23,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2024-11-10 14:37:23,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:37:23,685 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:37:23,685 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:37:23,685 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:37:23,686 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2024-11-10 14:37:23,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:37:23,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:37:23,722 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) [2024-11-10 14:37:23,724 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 [2024-11-10 14:37:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:37:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 14:37:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 14:37:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-10 14:37:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-10 14:37:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-10 14:37:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-10 14:37:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:37:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:37:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:37:23,780 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:37:23,885 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:37:23,887 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:37:24,331 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:37:24,332 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:37:24,359 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:37:24,359 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:37:24,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:37:24 BoogieIcfgContainer [2024-11-10 14:37:24,360 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:37:24,363 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:37:24,364 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:37:24,367 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:37:24,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:37:23" (1/3) ... [2024-11-10 14:37:24,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@226e7a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:37:24, skipping insertion in model container [2024-11-10 14:37:24,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (2/3) ... [2024-11-10 14:37:24,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@226e7a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:37:24, skipping insertion in model container [2024-11-10 14:37:24,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:37:24" (3/3) ... [2024-11-10 14:37:24,371 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-trans.wvr.c [2024-11-10 14:37:24,387 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:37:24,387 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2024-11-10 14:37:24,388 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:37:24,504 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-10 14:37:24,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 311 places, 316 transitions, 653 flow [2024-11-10 14:37:24,683 INFO L124 PetriNetUnfolderBase]: 15/313 cut-off events. [2024-11-10 14:37:24,685 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-10 14:37:24,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 313 events. 15/313 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 767 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 215. Up to 2 conditions per place. [2024-11-10 14:37:24,699 INFO L82 GeneralOperation]: Start removeDead. Operand has 311 places, 316 transitions, 653 flow [2024-11-10 14:37:24,709 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 289 places, 292 transitions, 602 flow [2024-11-10 14:37:24,722 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:37:24,730 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;@128d7a52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:37:24,731 INFO L334 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2024-11-10 14:37:24,737 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:37:24,737 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2024-11-10 14:37:24,737 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:37:24,737 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:24,738 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:24,738 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-10 14:37:24,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:24,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1269943067, now seen corresponding path program 1 times [2024-11-10 14:37:24,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:24,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547649379] [2024-11-10 14:37:24,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:24,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:24,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:24,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:24,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547649379] [2024-11-10 14:37:24,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547649379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:24,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:24,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:24,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314411261] [2024-11-10 14:37:24,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:24,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:24,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:24,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:24,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:24,992 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 316 [2024-11-10 14:37:24,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 292 transitions, 602 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:24,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:25,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 316 [2024-11-10 14:37:25,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:25,133 INFO L124 PetriNetUnfolderBase]: 18/466 cut-off events. [2024-11-10 14:37:25,137 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-10 14:37:25,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 509 conditions, 466 events. 18/466 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2044 event pairs, 5 based on Foata normal form. 18/414 useless extension candidates. Maximal degree in co-relation 386. Up to 22 conditions per place. [2024-11-10 14:37:25,148 INFO L140 encePairwiseOnDemand]: 307/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-10 14:37:25,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 285 transitions, 614 flow [2024-11-10 14:37:25,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:25,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 899 transitions. [2024-11-10 14:37:25,166 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9483122362869199 [2024-11-10 14:37:25,167 INFO L175 Difference]: Start difference. First operand has 289 places, 292 transitions, 602 flow. Second operand 3 states and 899 transitions. [2024-11-10 14:37:25,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 285 transitions, 614 flow [2024-11-10 14:37:25,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 285 transitions, 602 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-10 14:37:25,193 INFO L231 Difference]: Finished difference. Result has 284 places, 285 transitions, 580 flow [2024-11-10 14:37:25,195 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=580, PETRI_PLACES=284, PETRI_TRANSITIONS=285} [2024-11-10 14:37:25,199 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -5 predicate places. [2024-11-10 14:37:25,199 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 285 transitions, 580 flow [2024-11-10 14:37:25,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:25,200 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:25,200 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] [2024-11-10 14:37:25,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:37:25,200 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-10 14:37:25,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:25,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1509265546, now seen corresponding path program 1 times [2024-11-10 14:37:25,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:25,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367610786] [2024-11-10 14:37:25,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:25,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:25,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:25,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:25,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367610786] [2024-11-10 14:37:25,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367610786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:25,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:25,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:25,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145840846] [2024-11-10 14:37:25,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:25,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:25,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:25,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:25,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:25,304 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 316 [2024-11-10 14:37:25,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 285 transitions, 580 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:25,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:25,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 316 [2024-11-10 14:37:25,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:25,377 INFO L124 PetriNetUnfolderBase]: 16/418 cut-off events. [2024-11-10 14:37:25,378 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-10 14:37:25,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 418 events. 16/418 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1695 event pairs, 5 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 417. Up to 22 conditions per place. [2024-11-10 14:37:25,388 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/284 dead transitions. [2024-11-10 14:37:25,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 284 transitions, 604 flow [2024-11-10 14:37:25,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:25,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:25,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 893 transitions. [2024-11-10 14:37:25,393 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419831223628692 [2024-11-10 14:37:25,393 INFO L175 Difference]: Start difference. First operand has 284 places, 285 transitions, 580 flow. Second operand 3 states and 893 transitions. [2024-11-10 14:37:25,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 284 transitions, 604 flow [2024-11-10 14:37:25,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 284 transitions, 600 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:25,404 INFO L231 Difference]: Finished difference. Result has 283 places, 284 transitions, 578 flow [2024-11-10 14:37:25,404 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=578, PETRI_PLACES=283, PETRI_TRANSITIONS=284} [2024-11-10 14:37:25,405 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -6 predicate places. [2024-11-10 14:37:25,405 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 284 transitions, 578 flow [2024-11-10 14:37:25,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:25,406 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:25,406 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:25,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:37:25,407 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-10 14:37:25,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:25,409 INFO L85 PathProgramCache]: Analyzing trace with hash -741246462, now seen corresponding path program 1 times [2024-11-10 14:37:25,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:25,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800213427] [2024-11-10 14:37:25,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:25,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:25,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:25,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:25,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800213427] [2024-11-10 14:37:25,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800213427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:25,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:25,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:25,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413729117] [2024-11-10 14:37:25,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:25,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:25,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:25,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:25,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:25,514 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 316 [2024-11-10 14:37:25,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 284 transitions, 578 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:25,515 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:25,515 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 316 [2024-11-10 14:37:25,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:25,640 INFO L124 PetriNetUnfolderBase]: 33/686 cut-off events. [2024-11-10 14:37:25,642 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-10 14:37:25,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 686 events. 33/686 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3732 event pairs, 12 based on Foata normal form. 0/580 useless extension candidates. Maximal degree in co-relation 695. Up to 35 conditions per place. [2024-11-10 14:37:25,650 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 12 selfloop transitions, 2 changer transitions 0/283 dead transitions. [2024-11-10 14:37:25,651 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 283 transitions, 604 flow [2024-11-10 14:37:25,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:25,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:25,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 891 transitions. [2024-11-10 14:37:25,655 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.939873417721519 [2024-11-10 14:37:25,655 INFO L175 Difference]: Start difference. First operand has 283 places, 284 transitions, 578 flow. Second operand 3 states and 891 transitions. [2024-11-10 14:37:25,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 283 transitions, 604 flow [2024-11-10 14:37:25,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 283 transitions, 600 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:25,660 INFO L231 Difference]: Finished difference. Result has 282 places, 283 transitions, 576 flow [2024-11-10 14:37:25,660 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=282, PETRI_TRANSITIONS=283} [2024-11-10 14:37:25,662 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -7 predicate places. [2024-11-10 14:37:25,662 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 283 transitions, 576 flow [2024-11-10 14:37:25,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:25,663 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:25,663 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:25,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:37:25,664 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-10 14:37:25,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:25,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1345432039, now seen corresponding path program 1 times [2024-11-10 14:37:25,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:25,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992800493] [2024-11-10 14:37:25,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:25,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:25,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:25,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:25,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992800493] [2024-11-10 14:37:25,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992800493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:25,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:25,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:25,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573759429] [2024-11-10 14:37:25,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:25,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:25,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:25,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:25,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:25,768 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 316 [2024-11-10 14:37:25,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 283 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:25,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:25,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 316 [2024-11-10 14:37:25,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:25,852 INFO L124 PetriNetUnfolderBase]: 22/541 cut-off events. [2024-11-10 14:37:25,852 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-10 14:37:25,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 579 conditions, 541 events. 22/541 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2508 event pairs, 7 based on Foata normal form. 0/463 useless extension candidates. Maximal degree in co-relation 529. Up to 25 conditions per place. [2024-11-10 14:37:25,858 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2024-11-10 14:37:25,859 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 282 transitions, 600 flow [2024-11-10 14:37:25,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:25,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:25,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 893 transitions. [2024-11-10 14:37:25,861 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419831223628692 [2024-11-10 14:37:25,861 INFO L175 Difference]: Start difference. First operand has 282 places, 283 transitions, 576 flow. Second operand 3 states and 893 transitions. [2024-11-10 14:37:25,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 282 transitions, 600 flow [2024-11-10 14:37:25,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 282 transitions, 596 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:25,867 INFO L231 Difference]: Finished difference. Result has 281 places, 282 transitions, 574 flow [2024-11-10 14:37:25,867 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=574, PETRI_PLACES=281, PETRI_TRANSITIONS=282} [2024-11-10 14:37:25,869 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -8 predicate places. [2024-11-10 14:37:25,869 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 282 transitions, 574 flow [2024-11-10 14:37:25,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:25,870 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:25,870 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:25,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:37:25,870 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-10 14:37:25,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:25,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1971907938, now seen corresponding path program 1 times [2024-11-10 14:37:25,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:25,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013766380] [2024-11-10 14:37:25,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:25,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:25,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:25,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:25,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013766380] [2024-11-10 14:37:25,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013766380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:25,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:25,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:25,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946132826] [2024-11-10 14:37:25,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:25,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:25,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:25,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:25,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:25,968 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 316 [2024-11-10 14:37:25,970 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 282 transitions, 574 flow. Second operand has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:25,970 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:25,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 316 [2024-11-10 14:37:25,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:26,097 INFO L124 PetriNetUnfolderBase]: 43/725 cut-off events. [2024-11-10 14:37:26,098 INFO L125 PetriNetUnfolderBase]: For 13/17 co-relation queries the response was YES. [2024-11-10 14:37:26,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 725 events. 43/725 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3767 event pairs, 20 based on Foata normal form. 0/625 useless extension candidates. Maximal degree in co-relation 728. Up to 50 conditions per place. [2024-11-10 14:37:26,106 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 13 selfloop transitions, 2 changer transitions 0/281 dead transitions. [2024-11-10 14:37:26,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 281 transitions, 602 flow [2024-11-10 14:37:26,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:26,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:26,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 889 transitions. [2024-11-10 14:37:26,109 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9377637130801688 [2024-11-10 14:37:26,109 INFO L175 Difference]: Start difference. First operand has 281 places, 282 transitions, 574 flow. Second operand 3 states and 889 transitions. [2024-11-10 14:37:26,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 281 transitions, 602 flow [2024-11-10 14:37:26,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 281 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:26,114 INFO L231 Difference]: Finished difference. Result has 280 places, 281 transitions, 572 flow [2024-11-10 14:37:26,115 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=572, PETRI_PLACES=280, PETRI_TRANSITIONS=281} [2024-11-10 14:37:26,115 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -9 predicate places. [2024-11-10 14:37:26,116 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 281 transitions, 572 flow [2024-11-10 14:37:26,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:26,116 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:26,117 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] [2024-11-10 14:37:26,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:37:26,117 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-10 14:37:26,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:26,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1473595479, now seen corresponding path program 1 times [2024-11-10 14:37:26,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:26,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904620318] [2024-11-10 14:37:26,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:26,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:26,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:26,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:26,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904620318] [2024-11-10 14:37:26,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904620318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:26,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:26,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:26,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726844506] [2024-11-10 14:37:26,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:26,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:26,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:26,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:26,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:26,186 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 316 [2024-11-10 14:37:26,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 281 transitions, 572 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:26,187 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:26,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 316 [2024-11-10 14:37:26,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:26,244 INFO L124 PetriNetUnfolderBase]: 16/353 cut-off events. [2024-11-10 14:37:26,245 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2024-11-10 14:37:26,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 353 events. 16/353 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1259 event pairs, 7 based on Foata normal form. 0/309 useless extension candidates. Maximal degree in co-relation 322. Up to 25 conditions per place. [2024-11-10 14:37:26,249 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/280 dead transitions. [2024-11-10 14:37:26,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 280 transitions, 596 flow [2024-11-10 14:37:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:26,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:26,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 893 transitions. [2024-11-10 14:37:26,252 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419831223628692 [2024-11-10 14:37:26,252 INFO L175 Difference]: Start difference. First operand has 280 places, 281 transitions, 572 flow. Second operand 3 states and 893 transitions. [2024-11-10 14:37:26,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 280 transitions, 596 flow [2024-11-10 14:37:26,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 280 transitions, 592 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:26,256 INFO L231 Difference]: Finished difference. Result has 279 places, 280 transitions, 570 flow [2024-11-10 14:37:26,257 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=570, PETRI_PLACES=279, PETRI_TRANSITIONS=280} [2024-11-10 14:37:26,257 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -10 predicate places. [2024-11-10 14:37:26,257 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 280 transitions, 570 flow [2024-11-10 14:37:26,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:26,258 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:26,258 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] [2024-11-10 14:37:26,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:37:26,259 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-10 14:37:26,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:26,259 INFO L85 PathProgramCache]: Analyzing trace with hash -566201164, now seen corresponding path program 1 times [2024-11-10 14:37:26,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:26,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876887402] [2024-11-10 14:37:26,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:26,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:26,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:26,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:26,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876887402] [2024-11-10 14:37:26,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876887402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:26,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:26,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:26,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790436588] [2024-11-10 14:37:26,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:26,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:26,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:26,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:26,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:26,329 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 316 [2024-11-10 14:37:26,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 280 transitions, 570 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:26,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:26,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 316 [2024-11-10 14:37:26,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:26,438 INFO L124 PetriNetUnfolderBase]: 33/699 cut-off events. [2024-11-10 14:37:26,438 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:37:26,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 699 events. 33/699 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3904 event pairs, 8 based on Foata normal form. 0/600 useless extension candidates. Maximal degree in co-relation 672. Up to 31 conditions per place. [2024-11-10 14:37:26,447 INFO L140 encePairwiseOnDemand]: 312/316 looper letters, 13 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2024-11-10 14:37:26,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 282 transitions, 606 flow [2024-11-10 14:37:26,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:26,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:26,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2024-11-10 14:37:26,449 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9514767932489452 [2024-11-10 14:37:26,450 INFO L175 Difference]: Start difference. First operand has 279 places, 280 transitions, 570 flow. Second operand 3 states and 902 transitions. [2024-11-10 14:37:26,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 282 transitions, 606 flow [2024-11-10 14:37:26,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 282 transitions, 602 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:26,455 INFO L231 Difference]: Finished difference. Result has 278 places, 280 transitions, 576 flow [2024-11-10 14:37:26,455 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=278, PETRI_TRANSITIONS=280} [2024-11-10 14:37:26,456 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-11-10 14:37:26,456 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 280 transitions, 576 flow [2024-11-10 14:37:26,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:26,457 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:26,457 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:26,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:37:26,457 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-10 14:37:26,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:26,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1361704500, now seen corresponding path program 1 times [2024-11-10 14:37:26,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:26,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579200831] [2024-11-10 14:37:26,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:26,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:26,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:26,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:26,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579200831] [2024-11-10 14:37:26,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579200831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:26,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:26,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:26,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141018191] [2024-11-10 14:37:26,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:26,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:26,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:26,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:26,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:26,524 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 316 [2024-11-10 14:37:26,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 280 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:26,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:26,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 316 [2024-11-10 14:37:26,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:26,662 INFO L124 PetriNetUnfolderBase]: 70/1041 cut-off events. [2024-11-10 14:37:26,662 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:37:26,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1148 conditions, 1041 events. 70/1041 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 7318 event pairs, 10 based on Foata normal form. 0/896 useless extension candidates. Maximal degree in co-relation 1005. Up to 73 conditions per place. [2024-11-10 14:37:26,677 INFO L140 encePairwiseOnDemand]: 310/316 looper letters, 15 selfloop transitions, 3 changer transitions 0/282 dead transitions. [2024-11-10 14:37:26,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 282 transitions, 618 flow [2024-11-10 14:37:26,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:26,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:26,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 897 transitions. [2024-11-10 14:37:26,680 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9462025316455697 [2024-11-10 14:37:26,680 INFO L175 Difference]: Start difference. First operand has 278 places, 280 transitions, 576 flow. Second operand 3 states and 897 transitions. [2024-11-10 14:37:26,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 282 transitions, 618 flow [2024-11-10 14:37:26,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 282 transitions, 618 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:37:26,713 INFO L231 Difference]: Finished difference. Result has 278 places, 280 transitions, 591 flow [2024-11-10 14:37:26,714 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=591, PETRI_PLACES=278, PETRI_TRANSITIONS=280} [2024-11-10 14:37:26,715 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-11-10 14:37:26,716 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 280 transitions, 591 flow [2024-11-10 14:37:26,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:26,717 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:26,717 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:26,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:37:26,718 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-10 14:37:26,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:26,718 INFO L85 PathProgramCache]: Analyzing trace with hash -572038979, now seen corresponding path program 1 times [2024-11-10 14:37:26,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:26,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107126260] [2024-11-10 14:37:26,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:26,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:26,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:26,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:26,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107126260] [2024-11-10 14:37:26,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107126260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:26,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:26,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:26,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139563229] [2024-11-10 14:37:26,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:26,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:26,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:26,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:26,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:26,802 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 316 [2024-11-10 14:37:26,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 280 transitions, 591 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:26,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:26,803 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 316 [2024-11-10 14:37:26,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:26,926 INFO L124 PetriNetUnfolderBase]: 31/808 cut-off events. [2024-11-10 14:37:26,927 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2024-11-10 14:37:26,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 880 conditions, 808 events. 31/808 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4427 event pairs, 2 based on Foata normal form. 0/718 useless extension candidates. Maximal degree in co-relation 723. Up to 38 conditions per place. [2024-11-10 14:37:26,938 INFO L140 encePairwiseOnDemand]: 312/316 looper letters, 16 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-10 14:37:26,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 285 transitions, 642 flow [2024-11-10 14:37:26,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:26,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:26,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-10 14:37:26,941 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9546413502109705 [2024-11-10 14:37:26,941 INFO L175 Difference]: Start difference. First operand has 278 places, 280 transitions, 591 flow. Second operand 3 states and 905 transitions. [2024-11-10 14:37:26,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 285 transitions, 642 flow [2024-11-10 14:37:26,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 285 transitions, 642 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:37:26,946 INFO L231 Difference]: Finished difference. Result has 279 places, 280 transitions, 601 flow [2024-11-10 14:37:26,946 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=587, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=279, PETRI_TRANSITIONS=280} [2024-11-10 14:37:26,947 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -10 predicate places. [2024-11-10 14:37:26,948 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 280 transitions, 601 flow [2024-11-10 14:37:26,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:26,948 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:26,949 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] [2024-11-10 14:37:26,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:37:26,949 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-10 14:37:26,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:26,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1631861407, now seen corresponding path program 1 times [2024-11-10 14:37:26,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:26,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853121646] [2024-11-10 14:37:26,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:26,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:27,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:27,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:27,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853121646] [2024-11-10 14:37:27,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853121646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:27,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:27,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:27,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157135814] [2024-11-10 14:37:27,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:27,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:27,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:27,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:27,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:27,028 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 316 [2024-11-10 14:37:27,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 280 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:27,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:27,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 316 [2024-11-10 14:37:27,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:27,147 INFO L124 PetriNetUnfolderBase]: 39/807 cut-off events. [2024-11-10 14:37:27,148 INFO L125 PetriNetUnfolderBase]: For 3/8 co-relation queries the response was YES. [2024-11-10 14:37:27,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 913 conditions, 807 events. 39/807 cut-off events. For 3/8 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4579 event pairs, 8 based on Foata normal form. 1/711 useless extension candidates. Maximal degree in co-relation 756. Up to 32 conditions per place. [2024-11-10 14:37:27,157 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/281 dead transitions. [2024-11-10 14:37:27,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 281 transitions, 631 flow [2024-11-10 14:37:27,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:27,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:27,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2024-11-10 14:37:27,160 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9514767932489452 [2024-11-10 14:37:27,160 INFO L175 Difference]: Start difference. First operand has 279 places, 280 transitions, 601 flow. Second operand 3 states and 902 transitions. [2024-11-10 14:37:27,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 281 transitions, 631 flow [2024-11-10 14:37:27,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 281 transitions, 631 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:37:27,164 INFO L231 Difference]: Finished difference. Result has 280 places, 279 transitions, 603 flow [2024-11-10 14:37:27,165 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=599, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=603, PETRI_PLACES=280, PETRI_TRANSITIONS=279} [2024-11-10 14:37:27,165 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -9 predicate places. [2024-11-10 14:37:27,166 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 279 transitions, 603 flow [2024-11-10 14:37:27,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:27,166 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:27,166 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] [2024-11-10 14:37:27,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:37:27,167 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-10 14:37:27,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:27,167 INFO L85 PathProgramCache]: Analyzing trace with hash 26375008, now seen corresponding path program 1 times [2024-11-10 14:37:27,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:27,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704174240] [2024-11-10 14:37:27,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:27,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:27,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:27,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:27,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704174240] [2024-11-10 14:37:27,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704174240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:27,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:27,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:27,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975147296] [2024-11-10 14:37:27,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:27,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:27,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:27,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:27,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:27,215 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 316 [2024-11-10 14:37:27,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 279 transitions, 603 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:27,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:27,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 316 [2024-11-10 14:37:27,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:27,408 INFO L124 PetriNetUnfolderBase]: 43/1122 cut-off events. [2024-11-10 14:37:27,408 INFO L125 PetriNetUnfolderBase]: For 9/21 co-relation queries the response was YES. [2024-11-10 14:37:27,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1251 conditions, 1122 events. 43/1122 cut-off events. For 9/21 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7422 event pairs, 6 based on Foata normal form. 1/1006 useless extension candidates. Maximal degree in co-relation 1092. Up to 64 conditions per place. [2024-11-10 14:37:27,425 INFO L140 encePairwiseOnDemand]: 312/316 looper letters, 16 selfloop transitions, 2 changer transitions 0/284 dead transitions. [2024-11-10 14:37:27,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 284 transitions, 654 flow [2024-11-10 14:37:27,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:27,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:27,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-10 14:37:27,428 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9546413502109705 [2024-11-10 14:37:27,428 INFO L175 Difference]: Start difference. First operand has 280 places, 279 transitions, 603 flow. Second operand 3 states and 905 transitions. [2024-11-10 14:37:27,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 284 transitions, 654 flow [2024-11-10 14:37:27,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 284 transitions, 650 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:27,434 INFO L231 Difference]: Finished difference. Result has 279 places, 279 transitions, 609 flow [2024-11-10 14:37:27,435 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=595, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=609, PETRI_PLACES=279, PETRI_TRANSITIONS=279} [2024-11-10 14:37:27,435 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -10 predicate places. [2024-11-10 14:37:27,435 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 279 transitions, 609 flow [2024-11-10 14:37:27,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:27,436 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:27,436 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] [2024-11-10 14:37:27,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:37:27,437 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-10 14:37:27,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:27,438 INFO L85 PathProgramCache]: Analyzing trace with hash 145034013, now seen corresponding path program 1 times [2024-11-10 14:37:27,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:27,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565100316] [2024-11-10 14:37:27,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:27,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:27,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:27,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:27,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565100316] [2024-11-10 14:37:27,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565100316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:27,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:27,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:27,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702786708] [2024-11-10 14:37:27,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:27,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:27,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:27,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:27,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:27,499 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 316 [2024-11-10 14:37:27,500 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 279 transitions, 609 flow. Second operand has 3 states, 3 states have (on average 290.6666666666667) internal successors, (872), 3 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:27,500 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:27,500 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 316 [2024-11-10 14:37:27,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:27,829 INFO L124 PetriNetUnfolderBase]: 230/2786 cut-off events. [2024-11-10 14:37:27,829 INFO L125 PetriNetUnfolderBase]: For 71/213 co-relation queries the response was YES. [2024-11-10 14:37:27,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3267 conditions, 2786 events. 230/2786 cut-off events. For 71/213 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 25427 event pairs, 102 based on Foata normal form. 1/2484 useless extension candidates. Maximal degree in co-relation 2770. Up to 337 conditions per place. [2024-11-10 14:37:27,851 INFO L140 encePairwiseOnDemand]: 308/316 looper letters, 17 selfloop transitions, 4 changer transitions 0/281 dead transitions. [2024-11-10 14:37:27,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 281 transitions, 657 flow [2024-11-10 14:37:27,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:27,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:27,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 892 transitions. [2024-11-10 14:37:27,853 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9409282700421941 [2024-11-10 14:37:27,854 INFO L175 Difference]: Start difference. First operand has 279 places, 279 transitions, 609 flow. Second operand 3 states and 892 transitions. [2024-11-10 14:37:27,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 281 transitions, 657 flow [2024-11-10 14:37:27,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 281 transitions, 657 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:37:27,858 INFO L231 Difference]: Finished difference. Result has 278 places, 279 transitions, 629 flow [2024-11-10 14:37:27,859 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=629, PETRI_PLACES=278, PETRI_TRANSITIONS=279} [2024-11-10 14:37:27,860 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-11-10 14:37:27,860 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 279 transitions, 629 flow [2024-11-10 14:37:27,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.6666666666667) internal successors, (872), 3 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:27,861 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:27,861 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:27,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 14:37:27,862 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-10 14:37:27,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:27,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1280516692, now seen corresponding path program 1 times [2024-11-10 14:37:27,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:27,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608026024] [2024-11-10 14:37:27,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:27,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:27,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:27,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:27,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608026024] [2024-11-10 14:37:27,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608026024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:27,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:27,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:27,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006822809] [2024-11-10 14:37:27,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:27,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:27,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:27,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:27,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:27,913 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 316 [2024-11-10 14:37:27,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 279 transitions, 629 flow. Second operand has 3 states, 3 states have (on average 296.6666666666667) internal successors, (890), 3 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:27,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:27,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 316 [2024-11-10 14:37:27,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:28,217 INFO L124 PetriNetUnfolderBase]: 115/2657 cut-off events. [2024-11-10 14:37:28,217 INFO L125 PetriNetUnfolderBase]: For 36/42 co-relation queries the response was YES. [2024-11-10 14:37:28,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2959 conditions, 2657 events. 115/2657 cut-off events. For 36/42 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 23797 event pairs, 16 based on Foata normal form. 0/2401 useless extension candidates. Maximal degree in co-relation 2527. Up to 168 conditions per place. [2024-11-10 14:37:28,241 INFO L140 encePairwiseOnDemand]: 312/316 looper letters, 15 selfloop transitions, 2 changer transitions 0/283 dead transitions. [2024-11-10 14:37:28,241 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 283 transitions, 675 flow [2024-11-10 14:37:28,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:28,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:28,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2024-11-10 14:37:28,243 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9535864978902954 [2024-11-10 14:37:28,243 INFO L175 Difference]: Start difference. First operand has 278 places, 279 transitions, 629 flow. Second operand 3 states and 904 transitions. [2024-11-10 14:37:28,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 283 transitions, 675 flow [2024-11-10 14:37:28,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 283 transitions, 675 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:37:28,248 INFO L231 Difference]: Finished difference. Result has 279 places, 279 transitions, 639 flow [2024-11-10 14:37:28,249 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=639, PETRI_PLACES=279, PETRI_TRANSITIONS=279} [2024-11-10 14:37:28,249 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -10 predicate places. [2024-11-10 14:37:28,250 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 279 transitions, 639 flow [2024-11-10 14:37:28,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.6666666666667) internal successors, (890), 3 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:28,250 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:28,251 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:28,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 14:37:28,251 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-10 14:37:28,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:28,251 INFO L85 PathProgramCache]: Analyzing trace with hash 324969707, now seen corresponding path program 1 times [2024-11-10 14:37:28,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:28,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317119743] [2024-11-10 14:37:28,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:28,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:28,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:28,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:28,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317119743] [2024-11-10 14:37:28,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317119743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:28,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:28,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:28,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834319089] [2024-11-10 14:37:28,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:28,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:28,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:28,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:28,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:28,299 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 316 [2024-11-10 14:37:28,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 279 transitions, 639 flow. Second operand has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:28,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:28,300 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 316 [2024-11-10 14:37:28,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:28,620 INFO L124 PetriNetUnfolderBase]: 108/2291 cut-off events. [2024-11-10 14:37:28,621 INFO L125 PetriNetUnfolderBase]: For 24/59 co-relation queries the response was YES. [2024-11-10 14:37:28,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2687 conditions, 2291 events. 108/2291 cut-off events. For 24/59 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 19936 event pairs, 22 based on Foata normal form. 2/2086 useless extension candidates. Maximal degree in co-relation 2191. Up to 80 conditions per place. [2024-11-10 14:37:28,637 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/280 dead transitions. [2024-11-10 14:37:28,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 280 transitions, 669 flow [2024-11-10 14:37:28,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:28,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:28,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2024-11-10 14:37:28,641 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9514767932489452 [2024-11-10 14:37:28,641 INFO L175 Difference]: Start difference. First operand has 279 places, 279 transitions, 639 flow. Second operand 3 states and 902 transitions. [2024-11-10 14:37:28,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 280 transitions, 669 flow [2024-11-10 14:37:28,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 280 transitions, 669 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:37:28,647 INFO L231 Difference]: Finished difference. Result has 280 places, 278 transitions, 641 flow [2024-11-10 14:37:28,647 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=637, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=641, PETRI_PLACES=280, PETRI_TRANSITIONS=278} [2024-11-10 14:37:28,648 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -9 predicate places. [2024-11-10 14:37:28,648 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 278 transitions, 641 flow [2024-11-10 14:37:28,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:28,649 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:28,649 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] [2024-11-10 14:37:28,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 14:37:28,650 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-10 14:37:28,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:28,650 INFO L85 PathProgramCache]: Analyzing trace with hash -315354487, now seen corresponding path program 1 times [2024-11-10 14:37:28,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:28,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834623831] [2024-11-10 14:37:28,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:28,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:28,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:28,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:28,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834623831] [2024-11-10 14:37:28,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834623831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:28,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:28,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:28,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001445962] [2024-11-10 14:37:28,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:28,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:28,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:28,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:28,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:28,708 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 316 [2024-11-10 14:37:28,709 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 278 transitions, 641 flow. Second operand has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:28,709 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:28,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 316 [2024-11-10 14:37:28,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:28,956 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([770] L55-6-->L55-5: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet12#1=|v_thread3Thread1of1ForFork0_#t~nondet12#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet12#1][182], [Black: 351#true, 338#(= |#race~length_2~0| 0), Black: 355#true, 359#true, 362#true, 233#L77true, 349#(= |#race~to_int_3~0| 0), 173#L55-5true, Black: 332#true, 353#(= |#race~length_4~0| 0), Black: 336#true, 334#(= |#race~length_0~0| 0), Black: 340#true, 357#(= |#race~to_int_5~0| 0), Black: 347#true, 342#(= |#race~to_int_1~0| 0)]) [2024-11-10 14:37:28,956 INFO L294 olderBase$Statistics]: this new event has 187 ancestors and is cut-off event [2024-11-10 14:37:28,957 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is cut-off event [2024-11-10 14:37:28,957 INFO L297 olderBase$Statistics]: existing Event has 215 ancestors and is cut-off event [2024-11-10 14:37:28,957 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is cut-off event [2024-11-10 14:37:28,961 INFO L124 PetriNetUnfolderBase]: 136/1683 cut-off events. [2024-11-10 14:37:28,961 INFO L125 PetriNetUnfolderBase]: For 87/114 co-relation queries the response was YES. [2024-11-10 14:37:28,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2156 conditions, 1683 events. 136/1683 cut-off events. For 87/114 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 13824 event pairs, 36 based on Foata normal form. 1/1548 useless extension candidates. Maximal degree in co-relation 1861. Up to 160 conditions per place. [2024-11-10 14:37:28,981 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/279 dead transitions. [2024-11-10 14:37:28,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 279 transitions, 671 flow [2024-11-10 14:37:28,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:28,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:28,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2024-11-10 14:37:28,984 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9514767932489452 [2024-11-10 14:37:28,984 INFO L175 Difference]: Start difference. First operand has 280 places, 278 transitions, 641 flow. Second operand 3 states and 902 transitions. [2024-11-10 14:37:28,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 279 transitions, 671 flow [2024-11-10 14:37:28,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 279 transitions, 667 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:28,990 INFO L231 Difference]: Finished difference. Result has 279 places, 277 transitions, 639 flow [2024-11-10 14:37:28,991 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=639, PETRI_PLACES=279, PETRI_TRANSITIONS=277} [2024-11-10 14:37:28,992 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -10 predicate places. [2024-11-10 14:37:28,992 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 277 transitions, 639 flow [2024-11-10 14:37:28,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:28,993 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:28,993 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:28,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 14:37:28,994 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-10 14:37:28,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:28,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1735489604, now seen corresponding path program 1 times [2024-11-10 14:37:28,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:28,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755919325] [2024-11-10 14:37:28,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:28,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:29,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:29,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:29,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755919325] [2024-11-10 14:37:29,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755919325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:29,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:29,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:29,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307492884] [2024-11-10 14:37:29,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:29,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:29,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:29,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:29,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:29,080 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 316 [2024-11-10 14:37:29,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 277 transitions, 639 flow. Second operand has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:29,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:29,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 316 [2024-11-10 14:37:29,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:29,317 INFO L124 PetriNetUnfolderBase]: 73/1997 cut-off events. [2024-11-10 14:37:29,318 INFO L125 PetriNetUnfolderBase]: For 8/20 co-relation queries the response was YES. [2024-11-10 14:37:29,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2353 conditions, 1997 events. 73/1997 cut-off events. For 8/20 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 16231 event pairs, 4 based on Foata normal form. 0/1858 useless extension candidates. Maximal degree in co-relation 1998. Up to 66 conditions per place. [2024-11-10 14:37:29,338 INFO L140 encePairwiseOnDemand]: 314/316 looper letters, 8 selfloop transitions, 1 changer transitions 0/276 dead transitions. [2024-11-10 14:37:29,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 276 transitions, 655 flow [2024-11-10 14:37:29,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:29,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:29,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2024-11-10 14:37:29,341 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9535864978902954 [2024-11-10 14:37:29,341 INFO L175 Difference]: Start difference. First operand has 279 places, 277 transitions, 639 flow. Second operand 3 states and 904 transitions. [2024-11-10 14:37:29,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 276 transitions, 655 flow [2024-11-10 14:37:29,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 276 transitions, 651 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:29,347 INFO L231 Difference]: Finished difference. Result has 278 places, 276 transitions, 635 flow [2024-11-10 14:37:29,347 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=635, PETRI_PLACES=278, PETRI_TRANSITIONS=276} [2024-11-10 14:37:29,348 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-11-10 14:37:29,348 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 276 transitions, 635 flow [2024-11-10 14:37:29,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:29,349 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:29,349 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] [2024-11-10 14:37:29,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 14:37:29,349 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-10 14:37:29,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:29,350 INFO L85 PathProgramCache]: Analyzing trace with hash -2045964897, now seen corresponding path program 1 times [2024-11-10 14:37:29,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:29,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894055410] [2024-11-10 14:37:29,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:29,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:29,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:29,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:29,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894055410] [2024-11-10 14:37:29,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894055410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:29,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:29,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:29,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689810572] [2024-11-10 14:37:29,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:29,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:29,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:29,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:29,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:29,400 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 316 [2024-11-10 14:37:29,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 276 transitions, 635 flow. Second operand has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:29,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:29,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 316 [2024-11-10 14:37:29,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:29,633 INFO L124 PetriNetUnfolderBase]: 70/2132 cut-off events. [2024-11-10 14:37:29,633 INFO L125 PetriNetUnfolderBase]: For 8/22 co-relation queries the response was YES. [2024-11-10 14:37:29,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2431 conditions, 2132 events. 70/2132 cut-off events. For 8/22 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 17494 event pairs, 11 based on Foata normal form. 0/1985 useless extension candidates. Maximal degree in co-relation 2327. Up to 67 conditions per place. [2024-11-10 14:37:29,654 INFO L140 encePairwiseOnDemand]: 314/316 looper letters, 8 selfloop transitions, 1 changer transitions 0/275 dead transitions. [2024-11-10 14:37:29,655 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 275 transitions, 651 flow [2024-11-10 14:37:29,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:29,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:29,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2024-11-10 14:37:29,657 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9535864978902954 [2024-11-10 14:37:29,657 INFO L175 Difference]: Start difference. First operand has 278 places, 276 transitions, 635 flow. Second operand 3 states and 904 transitions. [2024-11-10 14:37:29,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 275 transitions, 651 flow [2024-11-10 14:37:29,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 275 transitions, 650 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:37:29,662 INFO L231 Difference]: Finished difference. Result has 278 places, 275 transitions, 634 flow [2024-11-10 14:37:29,662 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=278, PETRI_TRANSITIONS=275} [2024-11-10 14:37:29,663 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-11-10 14:37:29,663 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 275 transitions, 634 flow [2024-11-10 14:37:29,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:29,663 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:29,664 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] [2024-11-10 14:37:29,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 14:37:29,664 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-10 14:37:29,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:29,664 INFO L85 PathProgramCache]: Analyzing trace with hash 185470905, now seen corresponding path program 1 times [2024-11-10 14:37:29,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:29,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082608161] [2024-11-10 14:37:29,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:29,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:29,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:29,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:29,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082608161] [2024-11-10 14:37:29,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082608161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:29,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:29,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:29,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769216681] [2024-11-10 14:37:29,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:29,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:29,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:29,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:29,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:29,715 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 316 [2024-11-10 14:37:29,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 275 transitions, 634 flow. Second operand has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:29,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:29,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 316 [2024-11-10 14:37:29,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:29,886 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([774] L55-5-->L55-4: Formula: (= |v_#race~result_8~0_3| |v_thread3Thread1of1ForFork0_#t~nondet12#1_3|) InVars {thread3Thread1of1ForFork0_#t~nondet12#1=|v_thread3Thread1of1ForFork0_#t~nondet12#1_3|} OutVars{#race~result_8~0=|v_#race~result_8~0_3|, thread3Thread1of1ForFork0_#t~nondet12#1=|v_thread3Thread1of1ForFork0_#t~nondet12#1_3|} AuxVars[] AssignedVars[#race~result_8~0][189], [368#true, Black: 351#true, 338#(= |#race~length_2~0| 0), Black: 355#true, 233#L77true, 349#(= |#race~to_int_3~0| 0), 125#L55-4true, Black: 332#true, 353#(= |#race~length_4~0| 0), Black: 336#true, 334#(= |#race~length_0~0| 0), Black: 340#true, 357#(= |#race~to_int_5~0| 0), 371#true, Black: 347#true, 342#(= |#race~to_int_1~0| 0)]) [2024-11-10 14:37:29,887 INFO L294 olderBase$Statistics]: this new event has 216 ancestors and is cut-off event [2024-11-10 14:37:29,887 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is cut-off event [2024-11-10 14:37:29,887 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is cut-off event [2024-11-10 14:37:29,887 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is cut-off event [2024-11-10 14:37:29,888 INFO L124 PetriNetUnfolderBase]: 68/1501 cut-off events. [2024-11-10 14:37:29,888 INFO L125 PetriNetUnfolderBase]: For 21/36 co-relation queries the response was YES. [2024-11-10 14:37:29,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1771 conditions, 1501 events. 68/1501 cut-off events. For 21/36 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 11436 event pairs, 18 based on Foata normal form. 10/1395 useless extension candidates. Maximal degree in co-relation 1722. Up to 87 conditions per place. [2024-11-10 14:37:29,900 INFO L140 encePairwiseOnDemand]: 314/316 looper letters, 0 selfloop transitions, 0 changer transitions 274/274 dead transitions. [2024-11-10 14:37:29,900 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 274 transitions, 648 flow [2024-11-10 14:37:29,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:29,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:29,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 903 transitions. [2024-11-10 14:37:29,902 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9525316455696202 [2024-11-10 14:37:29,902 INFO L175 Difference]: Start difference. First operand has 278 places, 275 transitions, 634 flow. Second operand 3 states and 903 transitions. [2024-11-10 14:37:29,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 274 transitions, 648 flow [2024-11-10 14:37:29,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 274 transitions, 647 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:37:29,905 INFO L231 Difference]: Finished difference. Result has 278 places, 0 transitions, 0 flow [2024-11-10 14:37:29,906 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=278, PETRI_TRANSITIONS=0} [2024-11-10 14:37:29,906 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-11-10 14:37:29,906 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 0 transitions, 0 flow [2024-11-10 14:37:29,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:29,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (47 of 48 remaining) [2024-11-10 14:37:29,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 48 remaining) [2024-11-10 14:37:29,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (45 of 48 remaining) [2024-11-10 14:37:29,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 48 remaining) [2024-11-10 14:37:29,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (43 of 48 remaining) [2024-11-10 14:37:29,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (42 of 48 remaining) [2024-11-10 14:37:29,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (41 of 48 remaining) [2024-11-10 14:37:29,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (40 of 48 remaining) [2024-11-10 14:37:29,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 48 remaining) [2024-11-10 14:37:29,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (38 of 48 remaining) [2024-11-10 14:37:29,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (37 of 48 remaining) [2024-11-10 14:37:29,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 48 remaining) [2024-11-10 14:37:29,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (35 of 48 remaining) [2024-11-10 14:37:29,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (34 of 48 remaining) [2024-11-10 14:37:29,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (33 of 48 remaining) [2024-11-10 14:37:29,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (32 of 48 remaining) [2024-11-10 14:37:29,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (31 of 48 remaining) [2024-11-10 14:37:29,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (30 of 48 remaining) [2024-11-10 14:37:29,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 48 remaining) [2024-11-10 14:37:29,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 48 remaining) [2024-11-10 14:37:29,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 48 remaining) [2024-11-10 14:37:29,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 48 remaining) [2024-11-10 14:37:29,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 48 remaining) [2024-11-10 14:37:29,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (24 of 48 remaining) [2024-11-10 14:37:29,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 48 remaining) [2024-11-10 14:37:29,915 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 48 remaining) [2024-11-10 14:37:29,915 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 48 remaining) [2024-11-10 14:37:29,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 48 remaining) [2024-11-10 14:37:29,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 48 remaining) [2024-11-10 14:37:29,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 48 remaining) [2024-11-10 14:37:29,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 48 remaining) [2024-11-10 14:37:29,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 48 remaining) [2024-11-10 14:37:29,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 48 remaining) [2024-11-10 14:37:29,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 48 remaining) [2024-11-10 14:37:29,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 48 remaining) [2024-11-10 14:37:29,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (12 of 48 remaining) [2024-11-10 14:37:29,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (11 of 48 remaining) [2024-11-10 14:37:29,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 48 remaining) [2024-11-10 14:37:29,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 48 remaining) [2024-11-10 14:37:29,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 48 remaining) [2024-11-10 14:37:29,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 48 remaining) [2024-11-10 14:37:29,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 48 remaining) [2024-11-10 14:37:29,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 48 remaining) [2024-11-10 14:37:29,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 48 remaining) [2024-11-10 14:37:29,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 48 remaining) [2024-11-10 14:37:29,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 48 remaining) [2024-11-10 14:37:29,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (1 of 48 remaining) [2024-11-10 14:37:29,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (0 of 48 remaining) [2024-11-10 14:37:29,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 14:37:29,919 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:29,927 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:37:29,927 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:37:29,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:37:29 BasicIcfg [2024-11-10 14:37:29,935 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:37:29,936 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:37:29,936 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:37:29,936 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:37:29,937 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:37:24" (3/4) ... [2024-11-10 14:37:29,938 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:37:29,942 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-10 14:37:29,942 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-10 14:37:29,942 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-10 14:37:29,948 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-10 14:37:29,948 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 14:37:29,948 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:37:29,949 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:37:30,041 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:37:30,041 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:37:30,041 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:37:30,042 INFO L158 Benchmark]: Toolchain (without parser) took 6751.92ms. Allocated memory was 119.5MB in the beginning and 276.8MB in the end (delta: 157.3MB). Free memory was 60.8MB in the beginning and 148.3MB in the end (delta: -87.5MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2024-11-10 14:37:30,042 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 119.5MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:37:30,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.34ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 60.6MB in the beginning and 123.8MB in the end (delta: -63.2MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-11-10 14:37:30,043 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.70ms. Allocated memory is still 153.1MB. Free memory was 123.8MB in the beginning and 121.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:37:30,043 INFO L158 Benchmark]: Boogie Preprocessor took 24.66ms. Allocated memory is still 153.1MB. Free memory was 121.6MB in the beginning and 120.3MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:37:30,043 INFO L158 Benchmark]: IcfgBuilder took 675.06ms. Allocated memory is still 153.1MB. Free memory was 119.6MB in the beginning and 96.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 14:37:30,043 INFO L158 Benchmark]: TraceAbstraction took 5571.80ms. Allocated memory was 153.1MB in the beginning and 276.8MB in the end (delta: 123.7MB). Free memory was 95.9MB in the beginning and 153.6MB in the end (delta: -57.7MB). Peak memory consumption was 151.9MB. Max. memory is 16.1GB. [2024-11-10 14:37:30,043 INFO L158 Benchmark]: Witness Printer took 105.76ms. Allocated memory is still 276.8MB. Free memory was 153.6MB in the beginning and 148.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 14:37:30,045 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 119.5MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.34ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 60.6MB in the beginning and 123.8MB in the end (delta: -63.2MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.70ms. Allocated memory is still 153.1MB. Free memory was 123.8MB in the beginning and 121.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.66ms. Allocated memory is still 153.1MB. Free memory was 121.6MB in the beginning and 120.3MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 675.06ms. Allocated memory is still 153.1MB. Free memory was 119.6MB in the beginning and 96.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 5571.80ms. Allocated memory was 153.1MB in the beginning and 276.8MB in the end (delta: 123.7MB). Free memory was 95.9MB in the beginning and 153.6MB in the end (delta: -57.7MB). Peak memory consumption was 151.9MB. Max. memory is 16.1GB. * Witness Printer took 105.76ms. Allocated memory is still 276.8MB. Free memory was 153.6MB in the beginning and 148.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 479 locations, 48 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.4s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 314 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 482 IncrementalHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 76 mSDtfsCounter, 482 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=641occurred in iteration=14, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1469 NumberOfCodeBlocks, 1469 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1451 ConstructedInterpolants, 0 QuantifiedInterpolants, 1487 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 27 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:37:30,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE