./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/array-eq-symm.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/array-eq-symm.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 6897befed0dbbae24492a1e82d50fcd0be6b3857b241d882a904d02a513d7a6d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:35:34,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:35:34,479 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:35:34,482 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:35:34,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:35:34,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:35:34,509 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:35:34,509 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:35:34,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:35:34,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:35:34,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:35:34,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:35:34,514 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:35:34,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:35:34,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:35:34,514 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:35:34,514 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:35:34,515 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:35:34,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:35:34,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:35:34,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:35:34,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:35:34,517 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:35:34,517 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:35:34,517 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:35:34,518 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:35:34,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:35:34,518 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:35:34,518 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:35:34,518 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:35:34,519 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:35:34,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:35:34,519 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:35:34,519 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:35:34,519 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:35:34,519 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:35:34,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:35:34,520 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:35:34,520 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:35:34,520 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:35:34,521 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:35:34,521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6897befed0dbbae24492a1e82d50fcd0be6b3857b241d882a904d02a513d7a6d [2024-11-10 14:35:34,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:35:34,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:35:34,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:35:34,725 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:35:34,725 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:35:34,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/array-eq-symm.wvr.c [2024-11-10 14:35:35,898 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:35:36,034 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:35:36,035 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/array-eq-symm.wvr.c [2024-11-10 14:35:36,042 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6db4252a0/facacb615ff24d528c6819064bc9d0f1/FLAG1fafd3059 [2024-11-10 14:35:36,451 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6db4252a0/facacb615ff24d528c6819064bc9d0f1 [2024-11-10 14:35:36,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:35:36,454 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:35:36,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:35:36,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:35:36,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:35:36,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:35:36" (1/1) ... [2024-11-10 14:35:36,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77077bf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:36, skipping insertion in model container [2024-11-10 14:35:36,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:35:36" (1/1) ... [2024-11-10 14:35:36,498 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:35:36,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:35:36,715 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:35:36,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:35:36,761 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:35:36,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:36 WrapperNode [2024-11-10 14:35:36,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:35:36,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:35:36,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:35:36,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:35:36,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:36" (1/1) ... [2024-11-10 14:35:36,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:36" (1/1) ... [2024-11-10 14:35:36,806 INFO L138 Inliner]: procedures = 22, calls = 20, calls flagged for inlining = 8, calls inlined = 10, statements flattened = 143 [2024-11-10 14:35:36,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:35:36,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:35:36,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:35:36,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:35:36,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:36" (1/1) ... [2024-11-10 14:35:36,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:36" (1/1) ... [2024-11-10 14:35:36,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:36" (1/1) ... [2024-11-10 14:35:36,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:36" (1/1) ... [2024-11-10 14:35:36,832 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:36" (1/1) ... [2024-11-10 14:35:36,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:36" (1/1) ... [2024-11-10 14:35:36,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:36" (1/1) ... [2024-11-10 14:35:36,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:36" (1/1) ... [2024-11-10 14:35:36,841 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:35:36,842 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:35:36,843 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:35:36,843 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:35:36,843 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:36" (1/1) ... [2024-11-10 14:35:36,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:35:36,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:35:36,874 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 14:35:36,876 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 14:35:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:35:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 14:35:36,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 14:35:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-10 14:35:36,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-10 14:35:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:35:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:35:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:35:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:35:36,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:35:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:35:36,915 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 14:35:36,987 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:35:36,989 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:35:37,314 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:35:37,315 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:35:37,334 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:35:37,335 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:35:37,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:35:37 BoogieIcfgContainer [2024-11-10 14:35:37,335 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:35:37,338 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:35:37,338 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:35:37,340 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:35:37,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:35:36" (1/3) ... [2024-11-10 14:35:37,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35104b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:35:37, skipping insertion in model container [2024-11-10 14:35:37,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:36" (2/3) ... [2024-11-10 14:35:37,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35104b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:35:37, skipping insertion in model container [2024-11-10 14:35:37,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:35:37" (3/3) ... [2024-11-10 14:35:37,343 INFO L112 eAbstractionObserver]: Analyzing ICFG array-eq-symm.wvr.c [2024-11-10 14:35:37,355 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:35:37,355 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-11-10 14:35:37,356 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:35:37,426 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 14:35:37,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 312 places, 322 transitions, 658 flow [2024-11-10 14:35:37,536 INFO L124 PetriNetUnfolderBase]: 17/320 cut-off events. [2024-11-10 14:35:37,537 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:35:37,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 320 events. 17/320 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 573 event pairs, 0 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 228. Up to 3 conditions per place. [2024-11-10 14:35:37,546 INFO L82 GeneralOperation]: Start removeDead. Operand has 312 places, 322 transitions, 658 flow [2024-11-10 14:35:37,553 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 294 places, 303 transitions, 618 flow [2024-11-10 14:35:37,562 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:35:37,568 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;@107d84ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:35:37,568 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2024-11-10 14:35:37,573 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:35:37,573 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-10 14:35:37,573 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:35:37,573 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:37,574 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] [2024-11-10 14:35:37,575 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:37,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:37,579 INFO L85 PathProgramCache]: Analyzing trace with hash -2027366899, now seen corresponding path program 1 times [2024-11-10 14:35:37,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:37,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923222107] [2024-11-10 14:35:37,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:37,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:37,728 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 14:35:37,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:37,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923222107] [2024-11-10 14:35:37,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923222107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:37,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:37,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:35:37,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965315089] [2024-11-10 14:35:37,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:37,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:35:37,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:37,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:35:37,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:35:37,791 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2024-11-10 14:35:37,798 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 303 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states 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 14:35:37,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:37,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2024-11-10 14:35:37,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:37,928 INFO L124 PetriNetUnfolderBase]: 17/430 cut-off events. [2024-11-10 14:35:37,928 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-10 14:35:37,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 463 conditions, 430 events. 17/430 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1225 event pairs, 3 based on Foata normal form. 14/368 useless extension candidates. Maximal degree in co-relation 287. Up to 19 conditions per place. [2024-11-10 14:35:37,934 INFO L140 encePairwiseOnDemand]: 311/322 looper letters, 10 selfloop transitions, 2 changer transitions 4/294 dead transitions. [2024-11-10 14:35:37,934 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 294 transitions, 624 flow [2024-11-10 14:35:37,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:35:37,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:35:37,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 915 transitions. [2024-11-10 14:35:37,951 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9472049689440993 [2024-11-10 14:35:37,952 INFO L175 Difference]: Start difference. First operand has 294 places, 303 transitions, 618 flow. Second operand 3 states and 915 transitions. [2024-11-10 14:35:37,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 294 transitions, 624 flow [2024-11-10 14:35:37,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 294 transitions, 616 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 14:35:37,961 INFO L231 Difference]: Finished difference. Result has 291 places, 290 transitions, 588 flow [2024-11-10 14:35:37,963 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=592, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=588, PETRI_PLACES=291, PETRI_TRANSITIONS=290} [2024-11-10 14:35:37,967 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -3 predicate places. [2024-11-10 14:35:37,968 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 290 transitions, 588 flow [2024-11-10 14:35:37,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states 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 14:35:37,968 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:37,969 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] [2024-11-10 14:35:37,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:35:37,969 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:37,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:37,970 INFO L85 PathProgramCache]: Analyzing trace with hash -262228875, now seen corresponding path program 1 times [2024-11-10 14:35:37,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:37,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247526406] [2024-11-10 14:35:37,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:37,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:38,032 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 14:35:38,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:38,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247526406] [2024-11-10 14:35:38,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247526406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:38,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:38,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:35:38,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539366897] [2024-11-10 14:35:38,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:38,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:35:38,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:38,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:35:38,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:35:38,056 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2024-11-10 14:35:38,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 290 transitions, 588 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states 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 14:35:38,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:38,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2024-11-10 14:35:38,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:38,102 INFO L124 PetriNetUnfolderBase]: 17/427 cut-off events. [2024-11-10 14:35:38,102 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-10 14:35:38,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 454 conditions, 427 events. 17/427 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1172 event pairs, 3 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 424. Up to 18 conditions per place. [2024-11-10 14:35:38,105 INFO L140 encePairwiseOnDemand]: 319/322 looper letters, 10 selfloop transitions, 2 changer transitions 0/289 dead transitions. [2024-11-10 14:35:38,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 289 transitions, 610 flow [2024-11-10 14:35:38,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:35:38,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:35:38,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 907 transitions. [2024-11-10 14:35:38,109 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9389233954451346 [2024-11-10 14:35:38,109 INFO L175 Difference]: Start difference. First operand has 291 places, 290 transitions, 588 flow. Second operand 3 states and 907 transitions. [2024-11-10 14:35:38,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 289 transitions, 610 flow [2024-11-10 14:35:38,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 289 transitions, 606 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:35:38,115 INFO L231 Difference]: Finished difference. Result has 286 places, 289 transitions, 586 flow [2024-11-10 14:35:38,116 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=582, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=586, PETRI_PLACES=286, PETRI_TRANSITIONS=289} [2024-11-10 14:35:38,116 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -8 predicate places. [2024-11-10 14:35:38,116 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 289 transitions, 586 flow [2024-11-10 14:35:38,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states 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 14:35:38,117 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:38,117 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] [2024-11-10 14:35:38,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:35:38,118 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:38,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:38,118 INFO L85 PathProgramCache]: Analyzing trace with hash -2129593555, now seen corresponding path program 1 times [2024-11-10 14:35:38,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:38,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486473368] [2024-11-10 14:35:38,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:38,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:38,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:35:38,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:38,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486473368] [2024-11-10 14:35:38,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486473368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:38,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:38,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:35:38,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047047390] [2024-11-10 14:35:38,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:38,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:35:38,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:38,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:35:38,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:35:38,189 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2024-11-10 14:35:38,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 289 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states 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 14:35:38,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:38,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2024-11-10 14:35:38,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:38,268 INFO L124 PetriNetUnfolderBase]: 33/619 cut-off events. [2024-11-10 14:35:38,268 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:35:38,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 662 conditions, 619 events. 33/619 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2353 event pairs, 8 based on Foata normal form. 0/507 useless extension candidates. Maximal degree in co-relation 624. Up to 33 conditions per place. [2024-11-10 14:35:38,272 INFO L140 encePairwiseOnDemand]: 318/322 looper letters, 10 selfloop transitions, 1 changer transitions 0/286 dead transitions. [2024-11-10 14:35:38,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 286 transitions, 602 flow [2024-11-10 14:35:38,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:35:38,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:35:38,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 908 transitions. [2024-11-10 14:35:38,274 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9399585921325052 [2024-11-10 14:35:38,274 INFO L175 Difference]: Start difference. First operand has 286 places, 289 transitions, 586 flow. Second operand 3 states and 908 transitions. [2024-11-10 14:35:38,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 286 transitions, 602 flow [2024-11-10 14:35:38,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 286 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:35:38,277 INFO L231 Difference]: Finished difference. Result has 283 places, 286 transitions, 578 flow [2024-11-10 14:35:38,277 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=578, PETRI_PLACES=283, PETRI_TRANSITIONS=286} [2024-11-10 14:35:38,278 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -11 predicate places. [2024-11-10 14:35:38,279 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 286 transitions, 578 flow [2024-11-10 14:35:38,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states 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 14:35:38,279 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:38,279 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:35:38,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:35:38,280 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:38,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:38,280 INFO L85 PathProgramCache]: Analyzing trace with hash 849199055, now seen corresponding path program 1 times [2024-11-10 14:35:38,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:38,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189466635] [2024-11-10 14:35:38,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:38,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:38,335 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 14:35:38,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:38,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189466635] [2024-11-10 14:35:38,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189466635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:38,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:38,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:35:38,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955455600] [2024-11-10 14:35:38,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:38,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:35:38,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:38,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:35:38,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:35:38,358 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 322 [2024-11-10 14:35:38,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 286 transitions, 578 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states 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 14:35:38,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:38,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 322 [2024-11-10 14:35:38,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:38,393 INFO L124 PetriNetUnfolderBase]: 14/357 cut-off events. [2024-11-10 14:35:38,393 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-10 14:35:38,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 357 events. 14/357 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 861 event pairs, 3 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 343. Up to 16 conditions per place. [2024-11-10 14:35:38,399 INFO L140 encePairwiseOnDemand]: 319/322 looper letters, 9 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-10 14:35:38,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 285 transitions, 598 flow [2024-11-10 14:35:38,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:35:38,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:35:38,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 909 transitions. [2024-11-10 14:35:38,401 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9409937888198758 [2024-11-10 14:35:38,401 INFO L175 Difference]: Start difference. First operand has 283 places, 286 transitions, 578 flow. Second operand 3 states and 909 transitions. [2024-11-10 14:35:38,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 285 transitions, 598 flow [2024-11-10 14:35:38,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 285 transitions, 597 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:35:38,404 INFO L231 Difference]: Finished difference. Result has 283 places, 285 transitions, 579 flow [2024-11-10 14:35:38,404 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=281, 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=579, PETRI_PLACES=283, PETRI_TRANSITIONS=285} [2024-11-10 14:35:38,405 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -11 predicate places. [2024-11-10 14:35:38,405 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 285 transitions, 579 flow [2024-11-10 14:35:38,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states 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 14:35:38,406 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:38,406 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:35:38,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:35:38,406 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:38,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:38,406 INFO L85 PathProgramCache]: Analyzing trace with hash 249893491, now seen corresponding path program 1 times [2024-11-10 14:35:38,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:38,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315252814] [2024-11-10 14:35:38,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:38,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:38,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:35:38,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:38,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315252814] [2024-11-10 14:35:38,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315252814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:38,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:38,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:35:38,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160976862] [2024-11-10 14:35:38,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:38,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:35:38,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:38,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:35:38,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:35:38,989 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 322 [2024-11-10 14:35:38,990 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 285 transitions, 579 flow. Second operand has 6 states, 6 states have (on average 265.5) internal successors, (1593), 6 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states 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 14:35:38,991 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:38,991 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 322 [2024-11-10 14:35:38,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:39,106 INFO L124 PetriNetUnfolderBase]: 146/1250 cut-off events. [2024-11-10 14:35:39,107 INFO L125 PetriNetUnfolderBase]: For 19/20 co-relation queries the response was YES. [2024-11-10 14:35:39,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1499 conditions, 1250 events. 146/1250 cut-off events. For 19/20 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 7443 event pairs, 80 based on Foata normal form. 0/1007 useless extension candidates. Maximal degree in co-relation 1462. Up to 224 conditions per place. [2024-11-10 14:35:39,113 INFO L140 encePairwiseOnDemand]: 310/322 looper letters, 36 selfloop transitions, 10 changer transitions 0/283 dead transitions. [2024-11-10 14:35:39,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 283 transitions, 667 flow [2024-11-10 14:35:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:35:39,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:35:39,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1632 transitions. [2024-11-10 14:35:39,116 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.84472049689441 [2024-11-10 14:35:39,116 INFO L175 Difference]: Start difference. First operand has 283 places, 285 transitions, 579 flow. Second operand 6 states and 1632 transitions. [2024-11-10 14:35:39,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 283 transitions, 667 flow [2024-11-10 14:35:39,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 283 transitions, 663 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:35:39,120 INFO L231 Difference]: Finished difference. Result has 284 places, 283 transitions, 591 flow [2024-11-10 14:35:39,120 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=571, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=591, PETRI_PLACES=284, PETRI_TRANSITIONS=283} [2024-11-10 14:35:39,121 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -10 predicate places. [2024-11-10 14:35:39,121 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 283 transitions, 591 flow [2024-11-10 14:35:39,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 265.5) internal successors, (1593), 6 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states 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 14:35:39,123 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:39,123 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:35:39,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:35:39,123 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:39,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:39,123 INFO L85 PathProgramCache]: Analyzing trace with hash 736726078, now seen corresponding path program 1 times [2024-11-10 14:35:39,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:39,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329681308] [2024-11-10 14:35:39,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:39,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:39,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:35:39,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:39,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329681308] [2024-11-10 14:35:39,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329681308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:39,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:39,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:35:39,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937897017] [2024-11-10 14:35:39,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:39,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:35:39,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:39,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:35:39,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:35:39,171 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2024-11-10 14:35:39,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 283 transitions, 591 flow. Second operand has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states 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 14:35:39,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:39,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2024-11-10 14:35:39,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:39,220 INFO L124 PetriNetUnfolderBase]: 35/612 cut-off events. [2024-11-10 14:35:39,220 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-11-10 14:35:39,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 612 events. 35/612 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2478 event pairs, 8 based on Foata normal form. 0/512 useless extension candidates. Maximal degree in co-relation 632. Up to 34 conditions per place. [2024-11-10 14:35:39,225 INFO L140 encePairwiseOnDemand]: 318/322 looper letters, 10 selfloop transitions, 1 changer transitions 0/280 dead transitions. [2024-11-10 14:35:39,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 280 transitions, 607 flow [2024-11-10 14:35:39,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:35:39,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:35:39,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 908 transitions. [2024-11-10 14:35:39,226 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9399585921325052 [2024-11-10 14:35:39,227 INFO L175 Difference]: Start difference. First operand has 284 places, 283 transitions, 591 flow. Second operand 3 states and 908 transitions. [2024-11-10 14:35:39,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 280 transitions, 607 flow [2024-11-10 14:35:39,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 280 transitions, 587 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:35:39,230 INFO L231 Difference]: Finished difference. Result has 278 places, 280 transitions, 567 flow [2024-11-10 14:35:39,231 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=567, PETRI_PLACES=278, PETRI_TRANSITIONS=280} [2024-11-10 14:35:39,232 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -16 predicate places. [2024-11-10 14:35:39,232 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 280 transitions, 567 flow [2024-11-10 14:35:39,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states 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 14:35:39,232 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:39,233 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] [2024-11-10 14:35:39,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:35:39,233 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:39,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:39,233 INFO L85 PathProgramCache]: Analyzing trace with hash -174466386, now seen corresponding path program 1 times [2024-11-10 14:35:39,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:39,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899103328] [2024-11-10 14:35:39,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:39,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:39,280 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 14:35:39,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:39,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899103328] [2024-11-10 14:35:39,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899103328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:39,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:39,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:35:39,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032461148] [2024-11-10 14:35:39,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:39,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:35:39,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:39,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:35:39,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:35:39,299 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 322 [2024-11-10 14:35:39,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 280 transitions, 567 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states 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 14:35:39,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:39,300 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 322 [2024-11-10 14:35:39,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:39,345 INFO L124 PetriNetUnfolderBase]: 14/350 cut-off events. [2024-11-10 14:35:39,345 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-10 14:35:39,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 350 events. 14/350 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 751 event pairs, 3 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 337. Up to 16 conditions per place. [2024-11-10 14:35:39,347 INFO L140 encePairwiseOnDemand]: 319/322 looper letters, 9 selfloop transitions, 2 changer transitions 0/279 dead transitions. [2024-11-10 14:35:39,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 279 transitions, 587 flow [2024-11-10 14:35:39,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:35:39,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:35:39,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 909 transitions. [2024-11-10 14:35:39,349 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9409937888198758 [2024-11-10 14:35:39,349 INFO L175 Difference]: Start difference. First operand has 278 places, 280 transitions, 567 flow. Second operand 3 states and 909 transitions. [2024-11-10 14:35:39,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 279 transitions, 587 flow [2024-11-10 14:35:39,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 279 transitions, 586 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:35:39,353 INFO L231 Difference]: Finished difference. Result has 278 places, 279 transitions, 568 flow [2024-11-10 14:35:39,354 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=276, 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=568, PETRI_PLACES=278, PETRI_TRANSITIONS=279} [2024-11-10 14:35:39,354 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -16 predicate places. [2024-11-10 14:35:39,354 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 279 transitions, 568 flow [2024-11-10 14:35:39,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states 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 14:35:39,355 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:39,355 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] [2024-11-10 14:35:39,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:35:39,355 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:39,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:39,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1220507271, now seen corresponding path program 1 times [2024-11-10 14:35:39,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:39,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770011724] [2024-11-10 14:35:39,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:39,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:39,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:35:39,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:39,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770011724] [2024-11-10 14:35:39,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770011724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:39,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:39,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:35:39,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017008719] [2024-11-10 14:35:39,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:39,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:35:39,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:39,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:35:39,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:35:39,408 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 322 [2024-11-10 14:35:39,409 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 279 transitions, 568 flow. Second operand has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 0 states have call successors, (0), 0 states 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 14:35:39,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:39,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 322 [2024-11-10 14:35:39,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:39,442 INFO L124 PetriNetUnfolderBase]: 22/343 cut-off events. [2024-11-10 14:35:39,442 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:35:39,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 403 conditions, 343 events. 22/343 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 873 event pairs, 1 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 366. Up to 35 conditions per place. [2024-11-10 14:35:39,444 INFO L140 encePairwiseOnDemand]: 314/322 looper letters, 16 selfloop transitions, 2 changer transitions 0/274 dead transitions. [2024-11-10 14:35:39,444 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 274 transitions, 595 flow [2024-11-10 14:35:39,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:35:39,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:35:39,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 891 transitions. [2024-11-10 14:35:39,446 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.922360248447205 [2024-11-10 14:35:39,446 INFO L175 Difference]: Start difference. First operand has 278 places, 279 transitions, 568 flow. Second operand 3 states and 891 transitions. [2024-11-10 14:35:39,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 274 transitions, 595 flow [2024-11-10 14:35:39,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 274 transitions, 591 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:35:39,449 INFO L231 Difference]: Finished difference. Result has 272 places, 273 transitions, 556 flow [2024-11-10 14:35:39,449 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=556, PETRI_PLACES=272, PETRI_TRANSITIONS=273} [2024-11-10 14:35:39,450 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -22 predicate places. [2024-11-10 14:35:39,450 INFO L471 AbstractCegarLoop]: Abstraction has has 272 places, 273 transitions, 556 flow [2024-11-10 14:35:39,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 0 states have call successors, (0), 0 states 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 14:35:39,450 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:39,450 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:35:39,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:35:39,451 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:39,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:39,451 INFO L85 PathProgramCache]: Analyzing trace with hash 745161929, now seen corresponding path program 1 times [2024-11-10 14:35:39,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:39,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322094420] [2024-11-10 14:35:39,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:39,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:39,476 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 14:35:39,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:39,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322094420] [2024-11-10 14:35:39,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322094420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:39,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:39,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:35:39,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304837108] [2024-11-10 14:35:39,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:39,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:35:39,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:39,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:35:39,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:35:39,496 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 322 [2024-11-10 14:35:39,497 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 273 transitions, 556 flow. Second operand has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states 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 14:35:39,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:39,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 322 [2024-11-10 14:35:39,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:39,521 INFO L124 PetriNetUnfolderBase]: 22/337 cut-off events. [2024-11-10 14:35:39,522 INFO L125 PetriNetUnfolderBase]: For 13/14 co-relation queries the response was YES. [2024-11-10 14:35:39,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 385 conditions, 337 events. 22/337 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 878 event pairs, 9 based on Foata normal form. 1/311 useless extension candidates. Maximal degree in co-relation 348. Up to 33 conditions per place. [2024-11-10 14:35:39,523 INFO L140 encePairwiseOnDemand]: 314/322 looper letters, 13 selfloop transitions, 2 changer transitions 4/268 dead transitions. [2024-11-10 14:35:39,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 268 transitions, 581 flow [2024-11-10 14:35:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:35:39,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:35:39,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 890 transitions. [2024-11-10 14:35:39,525 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9213250517598344 [2024-11-10 14:35:39,525 INFO L175 Difference]: Start difference. First operand has 272 places, 273 transitions, 556 flow. Second operand 3 states and 890 transitions. [2024-11-10 14:35:39,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 268 transitions, 581 flow [2024-11-10 14:35:39,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 268 transitions, 577 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:35:39,528 INFO L231 Difference]: Finished difference. Result has 266 places, 263 transitions, 535 flow [2024-11-10 14:35:39,529 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=535, PETRI_PLACES=266, PETRI_TRANSITIONS=263} [2024-11-10 14:35:39,529 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -28 predicate places. [2024-11-10 14:35:39,529 INFO L471 AbstractCegarLoop]: Abstraction has has 266 places, 263 transitions, 535 flow [2024-11-10 14:35:39,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states 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 14:35:39,530 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:39,530 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] [2024-11-10 14:35:39,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:35:39,530 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:39,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:39,531 INFO L85 PathProgramCache]: Analyzing trace with hash -174139900, now seen corresponding path program 1 times [2024-11-10 14:35:39,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:39,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524904305] [2024-11-10 14:35:39,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:39,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:39,555 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 14:35:39,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:39,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524904305] [2024-11-10 14:35:39,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524904305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:39,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:39,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:35:39,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498127174] [2024-11-10 14:35:39,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:39,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:35:39,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:39,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:35:39,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:35:39,567 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 322 [2024-11-10 14:35:39,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 263 transitions, 535 flow. Second operand has 3 states, 3 states have (on average 301.6666666666667) internal successors, (905), 3 states have internal predecessors, (905), 0 states have call successors, (0), 0 states 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 14:35:39,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:39,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 322 [2024-11-10 14:35:39,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:39,606 INFO L124 PetriNetUnfolderBase]: 22/393 cut-off events. [2024-11-10 14:35:39,606 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:35:39,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 442 conditions, 393 events. 22/393 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1026 event pairs, 6 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 405. Up to 23 conditions per place. [2024-11-10 14:35:39,608 INFO L140 encePairwiseOnDemand]: 318/322 looper letters, 10 selfloop transitions, 3 changer transitions 0/265 dead transitions. [2024-11-10 14:35:39,608 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 265 transitions, 566 flow [2024-11-10 14:35:39,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:35:39,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:35:39,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 914 transitions. [2024-11-10 14:35:39,610 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9461697722567288 [2024-11-10 14:35:39,610 INFO L175 Difference]: Start difference. First operand has 266 places, 263 transitions, 535 flow. Second operand 3 states and 914 transitions. [2024-11-10 14:35:39,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 265 transitions, 566 flow [2024-11-10 14:35:39,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 265 transitions, 562 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:35:39,614 INFO L231 Difference]: Finished difference. Result has 264 places, 264 transitions, 549 flow [2024-11-10 14:35:39,615 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=531, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=549, PETRI_PLACES=264, PETRI_TRANSITIONS=264} [2024-11-10 14:35:39,615 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -30 predicate places. [2024-11-10 14:35:39,615 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 264 transitions, 549 flow [2024-11-10 14:35:39,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.6666666666667) internal successors, (905), 3 states have internal predecessors, (905), 0 states have call successors, (0), 0 states 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 14:35:39,616 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:39,616 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] [2024-11-10 14:35:39,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:35:39,616 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:39,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:39,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1466416635, now seen corresponding path program 1 times [2024-11-10 14:35:39,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:39,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850759331] [2024-11-10 14:35:39,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:39,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:39,648 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 14:35:39,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:39,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850759331] [2024-11-10 14:35:39,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850759331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:39,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:39,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:35:39,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200692332] [2024-11-10 14:35:39,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:39,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:35:39,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:39,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:35:39,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:35:39,660 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 322 [2024-11-10 14:35:39,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 264 transitions, 549 flow. Second operand has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 states 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 14:35:39,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:39,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 322 [2024-11-10 14:35:39,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:39,711 INFO L124 PetriNetUnfolderBase]: 37/616 cut-off events. [2024-11-10 14:35:39,711 INFO L125 PetriNetUnfolderBase]: For 14/15 co-relation queries the response was YES. [2024-11-10 14:35:39,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 694 conditions, 616 events. 37/616 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2198 event pairs, 2 based on Foata normal form. 0/562 useless extension candidates. Maximal degree in co-relation 656. Up to 32 conditions per place. [2024-11-10 14:35:39,714 INFO L140 encePairwiseOnDemand]: 318/322 looper letters, 10 selfloop transitions, 2 changer transitions 0/266 dead transitions. [2024-11-10 14:35:39,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 266 transitions, 579 flow [2024-11-10 14:35:39,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:35:39,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:35:39,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 917 transitions. [2024-11-10 14:35:39,717 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9492753623188406 [2024-11-10 14:35:39,717 INFO L175 Difference]: Start difference. First operand has 264 places, 264 transitions, 549 flow. Second operand 3 states and 917 transitions. [2024-11-10 14:35:39,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 266 transitions, 579 flow [2024-11-10 14:35:39,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 266 transitions, 573 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:35:39,720 INFO L231 Difference]: Finished difference. Result has 263 places, 264 transitions, 553 flow [2024-11-10 14:35:39,721 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=539, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=553, PETRI_PLACES=263, PETRI_TRANSITIONS=264} [2024-11-10 14:35:39,721 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -31 predicate places. [2024-11-10 14:35:39,721 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 264 transitions, 553 flow [2024-11-10 14:35:39,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 states 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 14:35:39,722 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:39,722 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:35:39,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:35:39,722 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:39,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:39,723 INFO L85 PathProgramCache]: Analyzing trace with hash 43307732, now seen corresponding path program 1 times [2024-11-10 14:35:39,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:39,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626558195] [2024-11-10 14:35:39,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:39,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:39,750 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 14:35:39,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:39,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626558195] [2024-11-10 14:35:39,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626558195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:39,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:39,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:35:39,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861278873] [2024-11-10 14:35:39,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:39,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:35:39,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:39,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:35:39,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:35:39,760 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 322 [2024-11-10 14:35:39,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 264 transitions, 553 flow. Second operand has 3 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 0 states have call successors, (0), 0 states 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 14:35:39,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:39,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 322 [2024-11-10 14:35:39,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:39,799 INFO L124 PetriNetUnfolderBase]: 50/494 cut-off events. [2024-11-10 14:35:39,799 INFO L125 PetriNetUnfolderBase]: For 32/34 co-relation queries the response was YES. [2024-11-10 14:35:39,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 605 conditions, 494 events. 50/494 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1510 event pairs, 11 based on Foata normal form. 0/448 useless extension candidates. Maximal degree in co-relation 567. Up to 58 conditions per place. [2024-11-10 14:35:39,802 INFO L140 encePairwiseOnDemand]: 318/322 looper letters, 9 selfloop transitions, 3 changer transitions 1/266 dead transitions. [2024-11-10 14:35:39,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 266 transitions, 584 flow [2024-11-10 14:35:39,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:35:39,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:35:39,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 914 transitions. [2024-11-10 14:35:39,804 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9461697722567288 [2024-11-10 14:35:39,804 INFO L175 Difference]: Start difference. First operand has 263 places, 264 transitions, 553 flow. Second operand 3 states and 914 transitions. [2024-11-10 14:35:39,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 266 transitions, 584 flow [2024-11-10 14:35:39,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 266 transitions, 584 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:35:39,807 INFO L231 Difference]: Finished difference. Result has 267 places, 265 transitions, 571 flow [2024-11-10 14:35:39,807 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=571, PETRI_PLACES=267, PETRI_TRANSITIONS=265} [2024-11-10 14:35:39,808 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -27 predicate places. [2024-11-10 14:35:39,808 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 265 transitions, 571 flow [2024-11-10 14:35:39,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 0 states have call successors, (0), 0 states 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 14:35:39,808 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:39,809 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:35:39,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 14:35:39,809 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:39,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:39,809 INFO L85 PathProgramCache]: Analyzing trace with hash -658544968, now seen corresponding path program 1 times [2024-11-10 14:35:39,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:39,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113953206] [2024-11-10 14:35:39,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:39,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:39,841 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 14:35:39,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:39,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113953206] [2024-11-10 14:35:39,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113953206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:39,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:39,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:35:39,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780658714] [2024-11-10 14:35:39,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:39,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:35:39,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:39,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:35:39,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:35:39,857 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 322 [2024-11-10 14:35:39,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 265 transitions, 571 flow. Second operand has 3 states, 3 states have (on average 302.6666666666667) internal successors, (908), 3 states have internal predecessors, (908), 0 states have call successors, (0), 0 states 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 14:35:39,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:39,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 322 [2024-11-10 14:35:39,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:39,905 INFO L124 PetriNetUnfolderBase]: 45/678 cut-off events. [2024-11-10 14:35:39,905 INFO L125 PetriNetUnfolderBase]: For 18/19 co-relation queries the response was YES. [2024-11-10 14:35:39,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 813 conditions, 678 events. 45/678 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2657 event pairs, 3 based on Foata normal form. 0/632 useless extension candidates. Maximal degree in co-relation 773. Up to 38 conditions per place. [2024-11-10 14:35:39,908 INFO L140 encePairwiseOnDemand]: 318/322 looper letters, 10 selfloop transitions, 2 changer transitions 0/267 dead transitions. [2024-11-10 14:35:39,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 267 transitions, 601 flow [2024-11-10 14:35:39,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:35:39,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:35:39,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 917 transitions. [2024-11-10 14:35:39,910 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9492753623188406 [2024-11-10 14:35:39,910 INFO L175 Difference]: Start difference. First operand has 267 places, 265 transitions, 571 flow. Second operand 3 states and 917 transitions. [2024-11-10 14:35:39,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 267 transitions, 601 flow [2024-11-10 14:35:39,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 267 transitions, 595 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:35:39,914 INFO L231 Difference]: Finished difference. Result has 266 places, 265 transitions, 575 flow [2024-11-10 14:35:39,914 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=575, PETRI_PLACES=266, PETRI_TRANSITIONS=265} [2024-11-10 14:35:39,915 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -28 predicate places. [2024-11-10 14:35:39,915 INFO L471 AbstractCegarLoop]: Abstraction has has 266 places, 265 transitions, 575 flow [2024-11-10 14:35:39,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.6666666666667) internal successors, (908), 3 states have internal predecessors, (908), 0 states have call successors, (0), 0 states 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 14:35:39,916 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:39,916 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] [2024-11-10 14:35:39,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 14:35:39,916 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:39,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:39,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1344983703, now seen corresponding path program 1 times [2024-11-10 14:35:39,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:39,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167374626] [2024-11-10 14:35:39,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:39,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:40,049 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 14:35:40,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:40,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167374626] [2024-11-10 14:35:40,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167374626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:40,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:40,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 14:35:40,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077283001] [2024-11-10 14:35:40,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:40,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 14:35:40,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:40,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 14:35:40,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-10 14:35:40,325 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 322 [2024-11-10 14:35:40,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 265 transitions, 575 flow. Second operand has 8 states, 8 states have (on average 281.125) internal successors, (2249), 8 states have internal predecessors, (2249), 0 states have call successors, (0), 0 states 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 14:35:40,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:40,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 322 [2024-11-10 14:35:40,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:40,517 INFO L124 PetriNetUnfolderBase]: 64/1044 cut-off events. [2024-11-10 14:35:40,518 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-10 14:35:40,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1335 conditions, 1044 events. 64/1044 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4344 event pairs, 8 based on Foata normal form. 2/981 useless extension candidates. Maximal degree in co-relation 1292. Up to 35 conditions per place. [2024-11-10 14:35:40,523 INFO L140 encePairwiseOnDemand]: 305/322 looper letters, 48 selfloop transitions, 22 changer transitions 0/301 dead transitions. [2024-11-10 14:35:40,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 301 transitions, 811 flow [2024-11-10 14:35:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 14:35:40,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-10 14:35:40,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3685 transitions. [2024-11-10 14:35:40,529 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.880315336837076 [2024-11-10 14:35:40,529 INFO L175 Difference]: Start difference. First operand has 266 places, 265 transitions, 575 flow. Second operand 13 states and 3685 transitions. [2024-11-10 14:35:40,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 301 transitions, 811 flow [2024-11-10 14:35:40,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 301 transitions, 811 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:35:40,534 INFO L231 Difference]: Finished difference. Result has 283 places, 277 transitions, 688 flow [2024-11-10 14:35:40,534 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=688, PETRI_PLACES=283, PETRI_TRANSITIONS=277} [2024-11-10 14:35:40,535 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -11 predicate places. [2024-11-10 14:35:40,535 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 277 transitions, 688 flow [2024-11-10 14:35:40,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 281.125) internal successors, (2249), 8 states have internal predecessors, (2249), 0 states have call successors, (0), 0 states 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 14:35:40,536 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:40,536 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] [2024-11-10 14:35:40,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 14:35:40,537 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:40,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:40,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1832484708, now seen corresponding path program 1 times [2024-11-10 14:35:40,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:40,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286536748] [2024-11-10 14:35:40,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:40,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:40,689 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 14:35:40,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:40,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286536748] [2024-11-10 14:35:40,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286536748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:40,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:40,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 14:35:40,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994480495] [2024-11-10 14:35:40,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:40,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 14:35:40,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:40,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 14:35:40,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-10 14:35:40,946 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 322 [2024-11-10 14:35:40,948 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 277 transitions, 688 flow. Second operand has 8 states, 8 states have (on average 281.25) internal successors, (2250), 8 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states 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 14:35:40,948 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:40,948 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 322 [2024-11-10 14:35:40,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:41,149 INFO L124 PetriNetUnfolderBase]: 106/1075 cut-off events. [2024-11-10 14:35:41,150 INFO L125 PetriNetUnfolderBase]: For 93/97 co-relation queries the response was YES. [2024-11-10 14:35:41,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1480 conditions, 1075 events. 106/1075 cut-off events. For 93/97 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5173 event pairs, 25 based on Foata normal form. 0/993 useless extension candidates. Maximal degree in co-relation 1426. Up to 65 conditions per place. [2024-11-10 14:35:41,158 INFO L140 encePairwiseOnDemand]: 305/322 looper letters, 30 selfloop transitions, 16 changer transitions 29/310 dead transitions. [2024-11-10 14:35:41,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 310 transitions, 923 flow [2024-11-10 14:35:41,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 14:35:41,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-10 14:35:41,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3686 transitions. [2024-11-10 14:35:41,163 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8805542283803154 [2024-11-10 14:35:41,163 INFO L175 Difference]: Start difference. First operand has 283 places, 277 transitions, 688 flow. Second operand 13 states and 3686 transitions. [2024-11-10 14:35:41,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 310 transitions, 923 flow [2024-11-10 14:35:41,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 310 transitions, 923 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:35:41,167 INFO L231 Difference]: Finished difference. Result has 298 places, 274 transitions, 711 flow [2024-11-10 14:35:41,167 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=711, PETRI_PLACES=298, PETRI_TRANSITIONS=274} [2024-11-10 14:35:41,168 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, 4 predicate places. [2024-11-10 14:35:41,168 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 274 transitions, 711 flow [2024-11-10 14:35:41,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 281.25) internal successors, (2250), 8 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states 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 14:35:41,169 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:41,169 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:35:41,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 14:35:41,169 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:41,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:41,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1529628134, now seen corresponding path program 1 times [2024-11-10 14:35:41,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:41,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839109092] [2024-11-10 14:35:41,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:41,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:41,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:35:41,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:41,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839109092] [2024-11-10 14:35:41,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839109092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:41,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:41,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 14:35:41,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611111122] [2024-11-10 14:35:41,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:41,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 14:35:41,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:41,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 14:35:41,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 14:35:41,731 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 322 [2024-11-10 14:35:41,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 274 transitions, 711 flow. Second operand has 8 states, 8 states have (on average 281.25) internal successors, (2250), 8 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states 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 14:35:41,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:41,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 322 [2024-11-10 14:35:41,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:41,920 INFO L124 PetriNetUnfolderBase]: 72/1243 cut-off events. [2024-11-10 14:35:41,920 INFO L125 PetriNetUnfolderBase]: For 116/116 co-relation queries the response was YES. [2024-11-10 14:35:41,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1734 conditions, 1243 events. 72/1243 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 5480 event pairs, 14 based on Foata normal form. 2/1176 useless extension candidates. Maximal degree in co-relation 1671. Up to 57 conditions per place. [2024-11-10 14:35:41,926 INFO L140 encePairwiseOnDemand]: 305/322 looper letters, 44 selfloop transitions, 20 changer transitions 0/299 dead transitions. [2024-11-10 14:35:41,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 299 transitions, 925 flow [2024-11-10 14:35:41,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 14:35:41,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 14:35:41,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3398 transitions. [2024-11-10 14:35:41,931 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.879399585921325 [2024-11-10 14:35:41,931 INFO L175 Difference]: Start difference. First operand has 298 places, 274 transitions, 711 flow. Second operand 12 states and 3398 transitions. [2024-11-10 14:35:41,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 299 transitions, 925 flow [2024-11-10 14:35:41,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 299 transitions, 881 flow, removed 9 selfloop flow, removed 12 redundant places. [2024-11-10 14:35:41,936 INFO L231 Difference]: Finished difference. Result has 294 places, 283 transitions, 783 flow [2024-11-10 14:35:41,936 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=675, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=783, PETRI_PLACES=294, PETRI_TRANSITIONS=283} [2024-11-10 14:35:41,936 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, 0 predicate places. [2024-11-10 14:35:41,937 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 283 transitions, 783 flow [2024-11-10 14:35:41,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 281.25) internal successors, (2250), 8 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states 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 14:35:41,937 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:41,938 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:35:41,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 14:35:41,938 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:41,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:41,938 INFO L85 PathProgramCache]: Analyzing trace with hash -858061683, now seen corresponding path program 1 times [2024-11-10 14:35:41,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:41,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428258570] [2024-11-10 14:35:41,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:41,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:42,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:35:42,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:42,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428258570] [2024-11-10 14:35:42,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428258570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:42,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:42,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 14:35:42,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546495304] [2024-11-10 14:35:42,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:42,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 14:35:42,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:42,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 14:35:42,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 14:35:42,368 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 322 [2024-11-10 14:35:42,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 283 transitions, 783 flow. Second operand has 8 states, 8 states have (on average 281.375) internal successors, (2251), 8 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states 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 14:35:42,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:42,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 322 [2024-11-10 14:35:42,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:42,545 INFO L124 PetriNetUnfolderBase]: 102/1031 cut-off events. [2024-11-10 14:35:42,545 INFO L125 PetriNetUnfolderBase]: For 177/181 co-relation queries the response was YES. [2024-11-10 14:35:42,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1513 conditions, 1031 events. 102/1031 cut-off events. For 177/181 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5018 event pairs, 24 based on Foata normal form. 2/959 useless extension candidates. Maximal degree in co-relation 1448. Up to 86 conditions per place. [2024-11-10 14:35:42,552 INFO L140 encePairwiseOnDemand]: 305/322 looper letters, 34 selfloop transitions, 13 changer transitions 17/299 dead transitions. [2024-11-10 14:35:42,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 299 transitions, 957 flow [2024-11-10 14:35:42,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 14:35:42,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 14:35:42,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3395 transitions. [2024-11-10 14:35:42,557 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8786231884057971 [2024-11-10 14:35:42,557 INFO L175 Difference]: Start difference. First operand has 294 places, 283 transitions, 783 flow. Second operand 12 states and 3395 transitions. [2024-11-10 14:35:42,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 299 transitions, 957 flow [2024-11-10 14:35:42,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 299 transitions, 955 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:35:42,561 INFO L231 Difference]: Finished difference. Result has 306 places, 275 transitions, 756 flow [2024-11-10 14:35:42,562 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=756, PETRI_PLACES=306, PETRI_TRANSITIONS=275} [2024-11-10 14:35:42,562 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, 12 predicate places. [2024-11-10 14:35:42,562 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 275 transitions, 756 flow [2024-11-10 14:35:42,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 281.375) internal successors, (2251), 8 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states 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 14:35:42,563 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:42,563 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:35:42,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 14:35:42,563 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:42,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:42,564 INFO L85 PathProgramCache]: Analyzing trace with hash -719249486, now seen corresponding path program 1 times [2024-11-10 14:35:42,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:42,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399235690] [2024-11-10 14:35:42,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:42,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:42,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:35:42,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:42,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399235690] [2024-11-10 14:35:42,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399235690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:42,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:42,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:35:42,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223344247] [2024-11-10 14:35:42,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:42,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:35:42,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:42,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:35:42,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:35:43,105 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 322 [2024-11-10 14:35:43,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 275 transitions, 756 flow. Second operand has 6 states, 6 states have (on average 292.8333333333333) internal successors, (1757), 6 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states 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 14:35:43,107 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:43,107 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 322 [2024-11-10 14:35:43,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:43,219 INFO L124 PetriNetUnfolderBase]: 42/816 cut-off events. [2024-11-10 14:35:43,219 INFO L125 PetriNetUnfolderBase]: For 103/105 co-relation queries the response was YES. [2024-11-10 14:35:43,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1141 conditions, 816 events. 42/816 cut-off events. For 103/105 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2603 event pairs, 6 based on Foata normal form. 0/773 useless extension candidates. Maximal degree in co-relation 1071. Up to 35 conditions per place. [2024-11-10 14:35:43,226 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 20 selfloop transitions, 6 changer transitions 0/279 dead transitions. [2024-11-10 14:35:43,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 279 transitions, 821 flow [2024-11-10 14:35:43,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:35:43,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:35:43,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1766 transitions. [2024-11-10 14:35:43,229 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9140786749482401 [2024-11-10 14:35:43,229 INFO L175 Difference]: Start difference. First operand has 306 places, 275 transitions, 756 flow. Second operand 6 states and 1766 transitions. [2024-11-10 14:35:43,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 279 transitions, 821 flow [2024-11-10 14:35:43,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 279 transitions, 768 flow, removed 5 selfloop flow, removed 16 redundant places. [2024-11-10 14:35:43,233 INFO L231 Difference]: Finished difference. Result has 286 places, 274 transitions, 713 flow [2024-11-10 14:35:43,233 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=701, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=713, PETRI_PLACES=286, PETRI_TRANSITIONS=274} [2024-11-10 14:35:43,234 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -8 predicate places. [2024-11-10 14:35:43,234 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 274 transitions, 713 flow [2024-11-10 14:35:43,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 292.8333333333333) internal successors, (1757), 6 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states 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 14:35:43,235 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:43,235 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:35:43,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 14:35:43,235 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:43,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:43,236 INFO L85 PathProgramCache]: Analyzing trace with hash 226220069, now seen corresponding path program 1 times [2024-11-10 14:35:43,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:43,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026477699] [2024-11-10 14:35:43,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:43,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:35:43,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:43,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026477699] [2024-11-10 14:35:43,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026477699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:43,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:43,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:35:43,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756898527] [2024-11-10 14:35:43,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:43,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:35:43,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:43,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:35:43,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:35:43,747 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 322 [2024-11-10 14:35:43,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 274 transitions, 713 flow. Second operand has 6 states, 6 states have (on average 293.0) internal successors, (1758), 6 states have internal predecessors, (1758), 0 states have call successors, (0), 0 states 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 14:35:43,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:43,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 322 [2024-11-10 14:35:43,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:43,850 INFO L124 PetriNetUnfolderBase]: 79/1075 cut-off events. [2024-11-10 14:35:43,850 INFO L125 PetriNetUnfolderBase]: For 135/139 co-relation queries the response was YES. [2024-11-10 14:35:43,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1450 conditions, 1075 events. 79/1075 cut-off events. For 135/139 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4744 event pairs, 12 based on Foata normal form. 0/1013 useless extension candidates. Maximal degree in co-relation 1391. Up to 54 conditions per place. [2024-11-10 14:35:43,858 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 19 selfloop transitions, 6 changer transitions 0/277 dead transitions. [2024-11-10 14:35:43,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 277 transitions, 773 flow [2024-11-10 14:35:43,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:35:43,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:35:43,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1765 transitions. [2024-11-10 14:35:43,863 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9135610766045549 [2024-11-10 14:35:43,863 INFO L175 Difference]: Start difference. First operand has 286 places, 274 transitions, 713 flow. Second operand 6 states and 1765 transitions. [2024-11-10 14:35:43,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 277 transitions, 773 flow [2024-11-10 14:35:43,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 277 transitions, 761 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:35:43,867 INFO L231 Difference]: Finished difference. Result has 285 places, 273 transitions, 711 flow [2024-11-10 14:35:43,868 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=699, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=711, PETRI_PLACES=285, PETRI_TRANSITIONS=273} [2024-11-10 14:35:43,868 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -9 predicate places. [2024-11-10 14:35:43,868 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 273 transitions, 711 flow [2024-11-10 14:35:43,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 293.0) internal successors, (1758), 6 states have internal predecessors, (1758), 0 states have call successors, (0), 0 states 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 14:35:43,870 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:43,870 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:35:43,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 14:35:43,870 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:43,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:43,871 INFO L85 PathProgramCache]: Analyzing trace with hash -950042537, now seen corresponding path program 1 times [2024-11-10 14:35:43,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:43,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518998163] [2024-11-10 14:35:43,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:43,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:44,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:35:44,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:44,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518998163] [2024-11-10 14:35:44,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518998163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:44,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:44,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:35:44,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358410043] [2024-11-10 14:35:44,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:44,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:35:44,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:44,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:35:44,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:35:44,386 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 322 [2024-11-10 14:35:44,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 273 transitions, 711 flow. Second operand has 6 states, 6 states have (on average 292.8333333333333) internal successors, (1757), 6 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states 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 14:35:44,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:44,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 322 [2024-11-10 14:35:44,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:44,468 INFO L124 PetriNetUnfolderBase]: 39/791 cut-off events. [2024-11-10 14:35:44,468 INFO L125 PetriNetUnfolderBase]: For 78/80 co-relation queries the response was YES. [2024-11-10 14:35:44,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1086 conditions, 791 events. 39/791 cut-off events. For 78/80 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2489 event pairs, 6 based on Foata normal form. 0/759 useless extension candidates. Maximal degree in co-relation 1027. Up to 35 conditions per place. [2024-11-10 14:35:44,473 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 20 selfloop transitions, 6 changer transitions 0/277 dead transitions. [2024-11-10 14:35:44,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 277 transitions, 776 flow [2024-11-10 14:35:44,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:35:44,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:35:44,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1766 transitions. [2024-11-10 14:35:44,476 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9140786749482401 [2024-11-10 14:35:44,476 INFO L175 Difference]: Start difference. First operand has 285 places, 273 transitions, 711 flow. Second operand 6 states and 1766 transitions. [2024-11-10 14:35:44,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 277 transitions, 776 flow [2024-11-10 14:35:44,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 277 transitions, 764 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:35:44,479 INFO L231 Difference]: Finished difference. Result has 284 places, 272 transitions, 709 flow [2024-11-10 14:35:44,480 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=697, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=709, PETRI_PLACES=284, PETRI_TRANSITIONS=272} [2024-11-10 14:35:44,480 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -10 predicate places. [2024-11-10 14:35:44,480 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 272 transitions, 709 flow [2024-11-10 14:35:44,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 292.8333333333333) internal successors, (1757), 6 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states 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 14:35:44,481 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:44,481 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:35:44,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 14:35:44,481 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:44,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:44,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1441185514, now seen corresponding path program 1 times [2024-11-10 14:35:44,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:44,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833283825] [2024-11-10 14:35:44,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:44,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:44,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:35:44,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:44,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833283825] [2024-11-10 14:35:44,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833283825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:44,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:44,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:35:44,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827772648] [2024-11-10 14:35:44,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:44,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:35:44,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:44,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:35:44,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:35:45,032 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 322 [2024-11-10 14:35:45,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 272 transitions, 709 flow. Second operand has 6 states, 6 states have (on average 293.0) internal successors, (1758), 6 states have internal predecessors, (1758), 0 states have call successors, (0), 0 states 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 14:35:45,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:45,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 322 [2024-11-10 14:35:45,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:45,165 INFO L124 PetriNetUnfolderBase]: 79/975 cut-off events. [2024-11-10 14:35:45,165 INFO L125 PetriNetUnfolderBase]: For 135/139 co-relation queries the response was YES. [2024-11-10 14:35:45,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1364 conditions, 975 events. 79/975 cut-off events. For 135/139 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4515 event pairs, 12 based on Foata normal form. 0/933 useless extension candidates. Maximal degree in co-relation 1305. Up to 54 conditions per place. [2024-11-10 14:35:45,170 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 19 selfloop transitions, 6 changer transitions 0/275 dead transitions. [2024-11-10 14:35:45,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 275 transitions, 769 flow [2024-11-10 14:35:45,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:35:45,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:35:45,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1765 transitions. [2024-11-10 14:35:45,172 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9135610766045549 [2024-11-10 14:35:45,172 INFO L175 Difference]: Start difference. First operand has 284 places, 272 transitions, 709 flow. Second operand 6 states and 1765 transitions. [2024-11-10 14:35:45,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 275 transitions, 769 flow [2024-11-10 14:35:45,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 275 transitions, 757 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:35:45,177 INFO L231 Difference]: Finished difference. Result has 283 places, 271 transitions, 707 flow [2024-11-10 14:35:45,177 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=695, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=707, PETRI_PLACES=283, PETRI_TRANSITIONS=271} [2024-11-10 14:35:45,177 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -11 predicate places. [2024-11-10 14:35:45,177 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 271 transitions, 707 flow [2024-11-10 14:35:45,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 293.0) internal successors, (1758), 6 states have internal predecessors, (1758), 0 states have call successors, (0), 0 states 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 14:35:45,178 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:45,178 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:35:45,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 14:35:45,178 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:45,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:45,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1567483553, now seen corresponding path program 1 times [2024-11-10 14:35:45,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:45,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205819065] [2024-11-10 14:35:45,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:45,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:45,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:35:45,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:45,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205819065] [2024-11-10 14:35:45,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205819065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:45,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:45,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:35:45,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603014368] [2024-11-10 14:35:45,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:45,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:35:45,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:45,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:35:45,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:35:45,249 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 322 [2024-11-10 14:35:45,250 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 271 transitions, 707 flow. Second operand has 3 states, 3 states have (on average 300.0) internal successors, (900), 3 states have internal predecessors, (900), 0 states have call successors, (0), 0 states 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 14:35:45,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:45,250 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 322 [2024-11-10 14:35:45,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:45,320 INFO L124 PetriNetUnfolderBase]: 46/824 cut-off events. [2024-11-10 14:35:45,321 INFO L125 PetriNetUnfolderBase]: For 65/65 co-relation queries the response was YES. [2024-11-10 14:35:45,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1130 conditions, 824 events. 46/824 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2603 event pairs, 17 based on Foata normal form. 0/802 useless extension candidates. Maximal degree in co-relation 1073. Up to 64 conditions per place. [2024-11-10 14:35:45,326 INFO L140 encePairwiseOnDemand]: 319/322 looper letters, 11 selfloop transitions, 2 changer transitions 0/271 dead transitions. [2024-11-10 14:35:45,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 271 transitions, 734 flow [2024-11-10 14:35:45,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:35:45,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:35:45,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-10 14:35:45,327 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9368530020703933 [2024-11-10 14:35:45,327 INFO L175 Difference]: Start difference. First operand has 283 places, 271 transitions, 707 flow. Second operand 3 states and 905 transitions. [2024-11-10 14:35:45,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 271 transitions, 734 flow [2024-11-10 14:35:45,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 271 transitions, 722 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:35:45,330 INFO L231 Difference]: Finished difference. Result has 279 places, 270 transitions, 697 flow [2024-11-10 14:35:45,330 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=697, PETRI_PLACES=279, PETRI_TRANSITIONS=270} [2024-11-10 14:35:45,331 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -15 predicate places. [2024-11-10 14:35:45,331 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 270 transitions, 697 flow [2024-11-10 14:35:45,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.0) internal successors, (900), 3 states have internal predecessors, (900), 0 states have call successors, (0), 0 states 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 14:35:45,331 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:45,331 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:35:45,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 14:35:45,332 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-10 14:35:45,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:45,332 INFO L85 PathProgramCache]: Analyzing trace with hash 309114386, now seen corresponding path program 1 times [2024-11-10 14:35:45,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:45,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351390996] [2024-11-10 14:35:45,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:45,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:45,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:35:45,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:45,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351390996] [2024-11-10 14:35:45,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351390996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:45,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:45,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:35:45,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511335243] [2024-11-10 14:35:45,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:45,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:35:45,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:45,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:35:45,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:35:45,390 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 322 [2024-11-10 14:35:45,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 270 transitions, 697 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states 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 14:35:45,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:45,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 322 [2024-11-10 14:35:45,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:45,468 INFO L124 PetriNetUnfolderBase]: 89/972 cut-off events. [2024-11-10 14:35:45,469 INFO L125 PetriNetUnfolderBase]: For 115/118 co-relation queries the response was YES. [2024-11-10 14:35:45,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1323 conditions, 972 events. 89/972 cut-off events. For 115/118 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4239 event pairs, 33 based on Foata normal form. 0/930 useless extension candidates. Maximal degree in co-relation 1266. Up to 102 conditions per place. [2024-11-10 14:35:45,473 INFO L140 encePairwiseOnDemand]: 319/322 looper letters, 0 selfloop transitions, 0 changer transitions 270/270 dead transitions. [2024-11-10 14:35:45,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 270 transitions, 724 flow [2024-11-10 14:35:45,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:35:45,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:35:45,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-10 14:35:45,474 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9368530020703933 [2024-11-10 14:35:45,474 INFO L175 Difference]: Start difference. First operand has 279 places, 270 transitions, 697 flow. Second operand 3 states and 905 transitions. [2024-11-10 14:35:45,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 270 transitions, 724 flow [2024-11-10 14:35:45,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 270 transitions, 720 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:35:45,477 INFO L231 Difference]: Finished difference. Result has 278 places, 0 transitions, 0 flow [2024-11-10 14:35:45,477 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=691, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=278, PETRI_TRANSITIONS=0} [2024-11-10 14:35:45,477 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -16 predicate places. [2024-11-10 14:35:45,477 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 0 transitions, 0 flow [2024-11-10 14:35:45,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states 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 14:35:45,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2024-11-10 14:35:45,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2024-11-10 14:35:45,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2024-11-10 14:35:45,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2024-11-10 14:35:45,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2024-11-10 14:35:45,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2024-11-10 14:35:45,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2024-11-10 14:35:45,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2024-11-10 14:35:45,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2024-11-10 14:35:45,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2024-11-10 14:35:45,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2024-11-10 14:35:45,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2024-11-10 14:35:45,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2024-11-10 14:35:45,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2024-11-10 14:35:45,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2024-11-10 14:35:45,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2024-11-10 14:35:45,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2024-11-10 14:35:45,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2024-11-10 14:35:45,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2024-11-10 14:35:45,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2024-11-10 14:35:45,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2024-11-10 14:35:45,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2024-11-10 14:35:45,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2024-11-10 14:35:45,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2024-11-10 14:35:45,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2024-11-10 14:35:45,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2024-11-10 14:35:45,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2024-11-10 14:35:45,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2024-11-10 14:35:45,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2024-11-10 14:35:45,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2024-11-10 14:35:45,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2024-11-10 14:35:45,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2024-11-10 14:35:45,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2024-11-10 14:35:45,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2024-11-10 14:35:45,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 60 remaining) [2024-11-10 14:35:45,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 60 remaining) [2024-11-10 14:35:45,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (23 of 60 remaining) [2024-11-10 14:35:45,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (22 of 60 remaining) [2024-11-10 14:35:45,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2024-11-10 14:35:45,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2024-11-10 14:35:45,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2024-11-10 14:35:45,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2024-11-10 14:35:45,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2024-11-10 14:35:45,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2024-11-10 14:35:45,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2024-11-10 14:35:45,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2024-11-10 14:35:45,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2024-11-10 14:35:45,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2024-11-10 14:35:45,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2024-11-10 14:35:45,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2024-11-10 14:35:45,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2024-11-10 14:35:45,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2024-11-10 14:35:45,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2024-11-10 14:35:45,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2024-11-10 14:35:45,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2024-11-10 14:35:45,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2024-11-10 14:35:45,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2024-11-10 14:35:45,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2024-11-10 14:35:45,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2024-11-10 14:35:45,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2024-11-10 14:35:45,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 14:35:45,489 INFO L407 BasicCegarLoop]: Path program histogram: [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 14:35:45,493 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:35:45,493 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:35:45,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:35:45 BasicIcfg [2024-11-10 14:35:45,497 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:35:45,498 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:35:45,498 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:35:45,498 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:35:45,498 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:35:37" (3/4) ... [2024-11-10 14:35:45,499 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:35:45,502 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-10 14:35:45,502 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-10 14:35:45,506 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2024-11-10 14:35:45,506 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 14:35:45,506 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:35:45,507 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:35:45,581 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:35:45,581 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:35:45,581 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:35:45,582 INFO L158 Benchmark]: Toolchain (without parser) took 9127.13ms. Allocated memory was 130.0MB in the beginning and 371.2MB in the end (delta: 241.2MB). Free memory was 59.3MB in the beginning and 338.9MB in the end (delta: -279.6MB). Peak memory consumption was 184.6MB. Max. memory is 16.1GB. [2024-11-10 14:35:45,582 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:35:45,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.54ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 59.1MB in the beginning and 139.3MB in the end (delta: -80.2MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-10 14:35:45,582 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.36ms. Allocated memory is still 176.2MB. Free memory was 139.3MB in the beginning and 137.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:35:45,582 INFO L158 Benchmark]: Boogie Preprocessor took 32.34ms. Allocated memory is still 176.2MB. Free memory was 137.2MB in the beginning and 134.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:35:45,582 INFO L158 Benchmark]: IcfgBuilder took 492.61ms. Allocated memory is still 176.2MB. Free memory was 134.9MB in the beginning and 106.8MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-10 14:35:45,582 INFO L158 Benchmark]: TraceAbstraction took 8159.61ms. Allocated memory was 176.2MB in the beginning and 371.2MB in the end (delta: 195.0MB). Free memory was 106.8MB in the beginning and 123.4MB in the end (delta: -16.6MB). Peak memory consumption was 178.5MB. Max. memory is 16.1GB. [2024-11-10 14:35:45,583 INFO L158 Benchmark]: Witness Printer took 83.23ms. Allocated memory is still 371.2MB. Free memory was 123.4MB in the beginning and 338.9MB in the end (delta: -215.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 14:35:45,584 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.54ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 59.1MB in the beginning and 139.3MB in the end (delta: -80.2MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.36ms. Allocated memory is still 176.2MB. Free memory was 139.3MB in the beginning and 137.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.34ms. Allocated memory is still 176.2MB. Free memory was 137.2MB in the beginning and 134.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 492.61ms. Allocated memory is still 176.2MB. Free memory was 134.9MB in the beginning and 106.8MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 8159.61ms. Allocated memory was 176.2MB in the beginning and 371.2MB in the end (delta: 195.0MB). Free memory was 106.8MB in the beginning and 123.4MB in the end (delta: -16.6MB). Peak memory consumption was 178.5MB. Max. memory is 16.1GB. * Witness Printer took 83.23ms. Allocated memory is still 371.2MB. Free memory was 123.4MB in the beginning and 338.9MB in the end (delta: -215.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: 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 5 procedures, 436 locations, 60 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: 8.0s, OverallIterations: 23, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2595 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1746 mSDsluCounter, 1789 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1675 mSDsCounter, 354 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4237 IncrementalHoareTripleChecker+Invalid, 4591 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 354 mSolverCounterUnsat, 114 mSDtfsCounter, 4237 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=783occurred in iteration=16, InterpolantAutomatonStates: 122, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2713 NumberOfCodeBlocks, 2713 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2690 ConstructedInterpolants, 0 QuantifiedInterpolants, 5307 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 28/28 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 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:35:45,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE