./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-match-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-match-subst.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c931aeff3bd4feb775048ea000220a43a3b08d8a3667f51cb57a0babc9201aa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:56:15,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:56:15,468 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:56:15,474 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:56:15,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:56:15,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:56:15,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:56:15,498 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:56:15,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:56:15,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:56:15,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:56:15,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:56:15,501 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:56:15,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:56:15,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:56:15,503 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:56:15,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:56:15,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:56:15,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:56:15,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:56:15,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:56:15,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:56:15,507 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:56:15,507 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:56:15,507 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:56:15,507 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:56:15,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:56:15,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:56:15,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:56:15,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:56:15,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:56:15,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:56:15,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:56:15,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:56:15,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:56:15,510 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:56:15,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:56:15,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:56:15,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:56:15,511 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:56:15,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:56:15,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c931aeff3bd4feb775048ea000220a43a3b08d8a3667f51cb57a0babc9201aa [2024-11-22 17:56:15,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:56:15,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:56:15,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:56:15,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:56:15,766 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:56:15,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-match-subst.wvr.c [2024-11-22 17:56:16,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:56:17,094 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:56:17,098 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-subst.wvr.c [2024-11-22 17:56:17,107 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da25b870a/7912683d04be4de09b6669f1c4911add/FLAGa4bd92345 [2024-11-22 17:56:17,121 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da25b870a/7912683d04be4de09b6669f1c4911add [2024-11-22 17:56:17,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:56:17,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:56:17,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:56:17,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:56:17,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:56:17,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:56:17" (1/1) ... [2024-11-22 17:56:17,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54d29fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:17, skipping insertion in model container [2024-11-22 17:56:17,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:56:17" (1/1) ... [2024-11-22 17:56:17,154 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:56:17,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:56:17,321 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:56:17,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:56:17,359 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:56:17,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:17 WrapperNode [2024-11-22 17:56:17,360 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:56:17,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:56:17,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:56:17,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:56:17,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:17" (1/1) ... [2024-11-22 17:56:17,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:17" (1/1) ... [2024-11-22 17:56:17,405 INFO L138 Inliner]: procedures = 22, calls = 20, calls flagged for inlining = 13, calls inlined = 23, statements flattened = 323 [2024-11-22 17:56:17,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:56:17,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:56:17,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:56:17,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:56:17,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:17" (1/1) ... [2024-11-22 17:56:17,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:17" (1/1) ... [2024-11-22 17:56:17,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:17" (1/1) ... [2024-11-22 17:56:17,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:17" (1/1) ... [2024-11-22 17:56:17,423 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:17" (1/1) ... [2024-11-22 17:56:17,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:17" (1/1) ... [2024-11-22 17:56:17,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:17" (1/1) ... [2024-11-22 17:56:17,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:17" (1/1) ... [2024-11-22 17:56:17,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:56:17,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:56:17,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:56:17,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:56:17,431 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:17" (1/1) ... [2024-11-22 17:56:17,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:56:17,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:56:17,461 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) [2024-11-22 17:56:17,463 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 [2024-11-22 17:56:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:56:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-22 17:56:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-22 17:56:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-22 17:56:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-22 17:56:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-22 17:56:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-22 17:56:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:56:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:56:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:56:17,496 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:56:17,601 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:56:17,602 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:56:17,987 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:56:17,987 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:56:18,014 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:56:18,015 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 17:56:18,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:56:18 BoogieIcfgContainer [2024-11-22 17:56:18,015 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:56:18,017 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:56:18,018 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:56:18,021 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:56:18,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:56:17" (1/3) ... [2024-11-22 17:56:18,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483fbd54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:56:18, skipping insertion in model container [2024-11-22 17:56:18,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:17" (2/3) ... [2024-11-22 17:56:18,022 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483fbd54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:56:18, skipping insertion in model container [2024-11-22 17:56:18,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:56:18" (3/3) ... [2024-11-22 17:56:18,023 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-subst.wvr.c [2024-11-22 17:56:18,034 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:56:18,034 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2024-11-22 17:56:18,034 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:56:18,117 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-22 17:56:18,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 446 places, 454 transitions, 929 flow [2024-11-22 17:56:18,290 INFO L124 PetriNetUnfolderBase]: 18/451 cut-off events. [2024-11-22 17:56:18,291 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:56:18,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 464 conditions, 451 events. 18/451 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 777 event pairs, 0 based on Foata normal form. 0/392 useless extension candidates. Maximal degree in co-relation 311. Up to 2 conditions per place. [2024-11-22 17:56:18,305 INFO L82 GeneralOperation]: Start removeDead. Operand has 446 places, 454 transitions, 929 flow [2024-11-22 17:56:18,314 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 425 places, 431 transitions, 880 flow [2024-11-22 17:56:18,323 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:56:18,328 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;@110eb867, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:56:18,328 INFO L334 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2024-11-22 17:56:18,333 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:56:18,335 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-11-22 17:56:18,335 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:56:18,335 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:18,336 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] [2024-11-22 17:56:18,336 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:18,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:18,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1481465963, now seen corresponding path program 1 times [2024-11-22 17:56:18,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:18,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74115135] [2024-11-22 17:56:18,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:18,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:18,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:18,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:18,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74115135] [2024-11-22 17:56:18,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74115135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:18,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:18,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:18,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256483362] [2024-11-22 17:56:18,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:18,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:18,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:18,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:18,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:18,612 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 454 [2024-11-22 17:56:18,617 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 431 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:18,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:18,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 454 [2024-11-22 17:56:18,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:18,895 INFO L124 PetriNetUnfolderBase]: 33/1375 cut-off events. [2024-11-22 17:56:18,895 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2024-11-22 17:56:18,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1462 conditions, 1375 events. 33/1375 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6213 event pairs, 20 based on Foata normal form. 76/1250 useless extension candidates. Maximal degree in co-relation 1300. Up to 50 conditions per place. [2024-11-22 17:56:18,907 INFO L140 encePairwiseOnDemand]: 438/454 looper letters, 13 selfloop transitions, 2 changer transitions 1/417 dead transitions. [2024-11-22 17:56:18,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 417 transitions, 882 flow [2024-11-22 17:56:18,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:18,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:18,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-11-22 17:56:18,928 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-11-22 17:56:18,930 INFO L175 Difference]: Start difference. First operand has 425 places, 431 transitions, 880 flow. Second operand 3 states and 1295 transitions. [2024-11-22 17:56:18,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 417 transitions, 882 flow [2024-11-22 17:56:18,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 417 transitions, 870 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-22 17:56:18,944 INFO L231 Difference]: Finished difference. Result has 420 places, 416 transitions, 842 flow [2024-11-22 17:56:18,946 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=840, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=842, PETRI_PLACES=420, PETRI_TRANSITIONS=416} [2024-11-22 17:56:18,950 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -5 predicate places. [2024-11-22 17:56:18,950 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 416 transitions, 842 flow [2024-11-22 17:56:18,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:18,951 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:18,951 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:18,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:56:18,952 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:18,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:18,953 INFO L85 PathProgramCache]: Analyzing trace with hash -666654298, now seen corresponding path program 1 times [2024-11-22 17:56:18,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:18,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701361250] [2024-11-22 17:56:18,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:18,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:19,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:19,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:19,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701361250] [2024-11-22 17:56:19,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701361250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:19,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:19,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:19,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180927667] [2024-11-22 17:56:19,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:19,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:19,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:19,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:19,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:19,053 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-11-22 17:56:19,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 416 transitions, 842 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:19,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:19,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-11-22 17:56:19,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:19,235 INFO L124 PetriNetUnfolderBase]: 16/956 cut-off events. [2024-11-22 17:56:19,235 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:56:19,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 994 conditions, 956 events. 16/956 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4028 event pairs, 7 based on Foata normal form. 0/814 useless extension candidates. Maximal degree in co-relation 957. Up to 25 conditions per place. [2024-11-22 17:56:19,244 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/415 dead transitions. [2024-11-22 17:56:19,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 415 transitions, 866 flow [2024-11-22 17:56:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:19,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:19,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-11-22 17:56:19,248 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-11-22 17:56:19,248 INFO L175 Difference]: Start difference. First operand has 420 places, 416 transitions, 842 flow. Second operand 3 states and 1286 transitions. [2024-11-22 17:56:19,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 415 transitions, 866 flow [2024-11-22 17:56:19,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 415 transitions, 862 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:19,253 INFO L231 Difference]: Finished difference. Result has 418 places, 415 transitions, 840 flow [2024-11-22 17:56:19,254 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=836, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=840, PETRI_PLACES=418, PETRI_TRANSITIONS=415} [2024-11-22 17:56:19,254 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -7 predicate places. [2024-11-22 17:56:19,255 INFO L471 AbstractCegarLoop]: Abstraction has has 418 places, 415 transitions, 840 flow [2024-11-22 17:56:19,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:19,255 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:19,256 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:19,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:56:19,256 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:19,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:19,257 INFO L85 PathProgramCache]: Analyzing trace with hash -2102967575, now seen corresponding path program 1 times [2024-11-22 17:56:19,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:19,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139434056] [2024-11-22 17:56:19,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:19,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:19,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:19,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:19,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139434056] [2024-11-22 17:56:19,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139434056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:19,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:19,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:19,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720689206] [2024-11-22 17:56:19,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:19,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:19,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:19,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:19,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:19,332 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-11-22 17:56:19,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 415 transitions, 840 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:19,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:19,334 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-11-22 17:56:19,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:19,448 INFO L124 PetriNetUnfolderBase]: 16/937 cut-off events. [2024-11-22 17:56:19,448 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:56:19,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 975 conditions, 937 events. 16/937 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3931 event pairs, 7 based on Foata normal form. 0/803 useless extension candidates. Maximal degree in co-relation 930. Up to 25 conditions per place. [2024-11-22 17:56:19,460 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/414 dead transitions. [2024-11-22 17:56:19,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 414 transitions, 864 flow [2024-11-22 17:56:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:19,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:19,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-11-22 17:56:19,464 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-11-22 17:56:19,464 INFO L175 Difference]: Start difference. First operand has 418 places, 415 transitions, 840 flow. Second operand 3 states and 1286 transitions. [2024-11-22 17:56:19,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 414 transitions, 864 flow [2024-11-22 17:56:19,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 414 transitions, 860 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:19,469 INFO L231 Difference]: Finished difference. Result has 417 places, 414 transitions, 838 flow [2024-11-22 17:56:19,470 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=838, PETRI_PLACES=417, PETRI_TRANSITIONS=414} [2024-11-22 17:56:19,471 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -8 predicate places. [2024-11-22 17:56:19,471 INFO L471 AbstractCegarLoop]: Abstraction has has 417 places, 414 transitions, 838 flow [2024-11-22 17:56:19,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:19,472 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:19,472 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:19,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:56:19,473 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:19,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:19,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1511710481, now seen corresponding path program 1 times [2024-11-22 17:56:19,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:19,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756650001] [2024-11-22 17:56:19,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:19,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:19,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:19,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:19,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756650001] [2024-11-22 17:56:19,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756650001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:19,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:19,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:19,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042005331] [2024-11-22 17:56:19,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:19,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:19,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:19,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:19,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:19,548 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 454 [2024-11-22 17:56:19,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 414 transitions, 838 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:19,550 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:19,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 454 [2024-11-22 17:56:19,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:19,661 INFO L124 PetriNetUnfolderBase]: 19/807 cut-off events. [2024-11-22 17:56:19,661 INFO L125 PetriNetUnfolderBase]: For 4/8 co-relation queries the response was YES. [2024-11-22 17:56:19,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 858 conditions, 807 events. 19/807 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2820 event pairs, 12 based on Foata normal form. 0/697 useless extension candidates. Maximal degree in co-relation 805. Up to 38 conditions per place. [2024-11-22 17:56:19,670 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/413 dead transitions. [2024-11-22 17:56:19,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 413 transitions, 866 flow [2024-11-22 17:56:19,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:19,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:19,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1282 transitions. [2024-11-22 17:56:19,673 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9412628487518355 [2024-11-22 17:56:19,673 INFO L175 Difference]: Start difference. First operand has 417 places, 414 transitions, 838 flow. Second operand 3 states and 1282 transitions. [2024-11-22 17:56:19,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 413 transitions, 866 flow [2024-11-22 17:56:19,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 413 transitions, 862 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:19,678 INFO L231 Difference]: Finished difference. Result has 416 places, 413 transitions, 836 flow [2024-11-22 17:56:19,679 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=836, PETRI_PLACES=416, PETRI_TRANSITIONS=413} [2024-11-22 17:56:19,680 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -9 predicate places. [2024-11-22 17:56:19,681 INFO L471 AbstractCegarLoop]: Abstraction has has 416 places, 413 transitions, 836 flow [2024-11-22 17:56:19,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:19,682 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:19,682 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] [2024-11-22 17:56:19,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:56:19,683 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:19,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:19,684 INFO L85 PathProgramCache]: Analyzing trace with hash 805669637, now seen corresponding path program 1 times [2024-11-22 17:56:19,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:19,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19750284] [2024-11-22 17:56:19,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:19,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:19,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:19,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:19,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19750284] [2024-11-22 17:56:19,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19750284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:19,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:19,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:19,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874820559] [2024-11-22 17:56:19,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:19,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:19,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:19,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:19,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:19,747 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-11-22 17:56:19,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 413 transitions, 836 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:19,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:19,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-11-22 17:56:19,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:19,846 INFO L124 PetriNetUnfolderBase]: 12/784 cut-off events. [2024-11-22 17:56:19,846 INFO L125 PetriNetUnfolderBase]: For 5/10 co-relation queries the response was YES. [2024-11-22 17:56:19,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 817 conditions, 784 events. 12/784 cut-off events. For 5/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2122 event pairs, 5 based on Foata normal form. 0/673 useless extension candidates. Maximal degree in co-relation 756. Up to 22 conditions per place. [2024-11-22 17:56:19,853 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/412 dead transitions. [2024-11-22 17:56:19,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 412 transitions, 860 flow [2024-11-22 17:56:19,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:19,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:19,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-11-22 17:56:19,855 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-11-22 17:56:19,855 INFO L175 Difference]: Start difference. First operand has 416 places, 413 transitions, 836 flow. Second operand 3 states and 1286 transitions. [2024-11-22 17:56:19,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 412 transitions, 860 flow [2024-11-22 17:56:19,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 412 transitions, 856 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:19,861 INFO L231 Difference]: Finished difference. Result has 415 places, 412 transitions, 834 flow [2024-11-22 17:56:19,862 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=834, PETRI_PLACES=415, PETRI_TRANSITIONS=412} [2024-11-22 17:56:19,863 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -10 predicate places. [2024-11-22 17:56:19,863 INFO L471 AbstractCegarLoop]: Abstraction has has 415 places, 412 transitions, 834 flow [2024-11-22 17:56:19,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:19,864 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:19,865 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] [2024-11-22 17:56:19,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:56:19,865 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:19,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:19,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1067874234, now seen corresponding path program 1 times [2024-11-22 17:56:19,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:19,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372938011] [2024-11-22 17:56:19,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:19,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:19,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:19,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:19,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372938011] [2024-11-22 17:56:19,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372938011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:19,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:19,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:19,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284562616] [2024-11-22 17:56:19,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:19,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:19,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:19,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:19,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:19,923 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-11-22 17:56:19,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 412 transitions, 834 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:19,925 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:19,925 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-11-22 17:56:19,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:20,007 INFO L124 PetriNetUnfolderBase]: 12/777 cut-off events. [2024-11-22 17:56:20,008 INFO L125 PetriNetUnfolderBase]: For 5/10 co-relation queries the response was YES. [2024-11-22 17:56:20,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 810 conditions, 777 events. 12/777 cut-off events. For 5/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2081 event pairs, 5 based on Foata normal form. 0/669 useless extension candidates. Maximal degree in co-relation 741. Up to 22 conditions per place. [2024-11-22 17:56:20,015 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/411 dead transitions. [2024-11-22 17:56:20,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 411 transitions, 858 flow [2024-11-22 17:56:20,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:20,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:20,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-11-22 17:56:20,017 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-11-22 17:56:20,018 INFO L175 Difference]: Start difference. First operand has 415 places, 412 transitions, 834 flow. Second operand 3 states and 1286 transitions. [2024-11-22 17:56:20,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 411 transitions, 858 flow [2024-11-22 17:56:20,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 411 transitions, 854 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:20,023 INFO L231 Difference]: Finished difference. Result has 414 places, 411 transitions, 832 flow [2024-11-22 17:56:20,024 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=832, PETRI_PLACES=414, PETRI_TRANSITIONS=411} [2024-11-22 17:56:20,025 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -11 predicate places. [2024-11-22 17:56:20,025 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 411 transitions, 832 flow [2024-11-22 17:56:20,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:20,026 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:20,026 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:20,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:56:20,026 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:20,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:20,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1914240621, now seen corresponding path program 1 times [2024-11-22 17:56:20,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:20,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252249260] [2024-11-22 17:56:20,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:20,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:20,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:20,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:20,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252249260] [2024-11-22 17:56:20,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252249260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:20,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:20,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:20,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928275544] [2024-11-22 17:56:20,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:20,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:20,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:20,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:20,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:20,082 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 454 [2024-11-22 17:56:20,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 411 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:20,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:20,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 454 [2024-11-22 17:56:20,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:20,162 INFO L124 PetriNetUnfolderBase]: 25/626 cut-off events. [2024-11-22 17:56:20,162 INFO L125 PetriNetUnfolderBase]: For 9/13 co-relation queries the response was YES. [2024-11-22 17:56:20,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 687 conditions, 626 events. 25/626 cut-off events. For 9/13 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2198 event pairs, 20 based on Foata normal form. 0/549 useless extension candidates. Maximal degree in co-relation 610. Up to 50 conditions per place. [2024-11-22 17:56:20,168 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-11-22 17:56:20,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 410 transitions, 860 flow [2024-11-22 17:56:20,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:20,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:20,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1282 transitions. [2024-11-22 17:56:20,171 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9412628487518355 [2024-11-22 17:56:20,171 INFO L175 Difference]: Start difference. First operand has 414 places, 411 transitions, 832 flow. Second operand 3 states and 1282 transitions. [2024-11-22 17:56:20,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 410 transitions, 860 flow [2024-11-22 17:56:20,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 410 transitions, 856 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:20,175 INFO L231 Difference]: Finished difference. Result has 413 places, 410 transitions, 830 flow [2024-11-22 17:56:20,176 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=830, PETRI_PLACES=413, PETRI_TRANSITIONS=410} [2024-11-22 17:56:20,176 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-11-22 17:56:20,176 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 410 transitions, 830 flow [2024-11-22 17:56:20,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:20,177 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:20,177 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] [2024-11-22 17:56:20,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 17:56:20,177 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:20,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:20,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1935635487, now seen corresponding path program 1 times [2024-11-22 17:56:20,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:20,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371470336] [2024-11-22 17:56:20,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:20,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:20,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:20,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:20,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371470336] [2024-11-22 17:56:20,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371470336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:20,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:20,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:20,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022649526] [2024-11-22 17:56:20,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:20,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:20,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:20,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:20,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:20,239 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-11-22 17:56:20,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 410 transitions, 830 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:20,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:20,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-11-22 17:56:20,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:20,308 INFO L124 PetriNetUnfolderBase]: 14/681 cut-off events. [2024-11-22 17:56:20,309 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-22 17:56:20,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 681 events. 14/681 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1754 event pairs, 7 based on Foata normal form. 0/587 useless extension candidates. Maximal degree in co-relation 631. Up to 25 conditions per place. [2024-11-22 17:56:20,315 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/409 dead transitions. [2024-11-22 17:56:20,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 409 transitions, 854 flow [2024-11-22 17:56:20,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:20,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:20,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-11-22 17:56:20,317 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-11-22 17:56:20,317 INFO L175 Difference]: Start difference. First operand has 413 places, 410 transitions, 830 flow. Second operand 3 states and 1286 transitions. [2024-11-22 17:56:20,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 409 transitions, 854 flow [2024-11-22 17:56:20,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 409 transitions, 850 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:20,322 INFO L231 Difference]: Finished difference. Result has 412 places, 409 transitions, 828 flow [2024-11-22 17:56:20,322 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=828, PETRI_PLACES=412, PETRI_TRANSITIONS=409} [2024-11-22 17:56:20,323 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-11-22 17:56:20,323 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 409 transitions, 828 flow [2024-11-22 17:56:20,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:20,324 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:20,324 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] [2024-11-22 17:56:20,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 17:56:20,324 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:20,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:20,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1967425806, now seen corresponding path program 1 times [2024-11-22 17:56:20,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:20,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009223841] [2024-11-22 17:56:20,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:20,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:20,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:20,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:20,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009223841] [2024-11-22 17:56:20,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009223841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:20,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:20,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:20,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174171860] [2024-11-22 17:56:20,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:20,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:20,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:20,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:20,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:20,384 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-11-22 17:56:20,385 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 409 transitions, 828 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:20,386 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:20,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-11-22 17:56:20,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:20,489 INFO L124 PetriNetUnfolderBase]: 14/671 cut-off events. [2024-11-22 17:56:20,489 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-22 17:56:20,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 706 conditions, 671 events. 14/671 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1727 event pairs, 7 based on Foata normal form. 0/581 useless extension candidates. Maximal degree in co-relation 613. Up to 25 conditions per place. [2024-11-22 17:56:20,497 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/408 dead transitions. [2024-11-22 17:56:20,497 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 408 transitions, 852 flow [2024-11-22 17:56:20,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:20,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:20,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-11-22 17:56:20,500 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-11-22 17:56:20,500 INFO L175 Difference]: Start difference. First operand has 412 places, 409 transitions, 828 flow. Second operand 3 states and 1286 transitions. [2024-11-22 17:56:20,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 408 transitions, 852 flow [2024-11-22 17:56:20,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 408 transitions, 848 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:20,506 INFO L231 Difference]: Finished difference. Result has 411 places, 408 transitions, 826 flow [2024-11-22 17:56:20,506 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=411, PETRI_TRANSITIONS=408} [2024-11-22 17:56:20,507 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -14 predicate places. [2024-11-22 17:56:20,507 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 408 transitions, 826 flow [2024-11-22 17:56:20,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:20,508 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:20,508 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] [2024-11-22 17:56:20,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 17:56:20,508 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:20,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:20,508 INFO L85 PathProgramCache]: Analyzing trace with hash -224796327, now seen corresponding path program 1 times [2024-11-22 17:56:20,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:20,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214515391] [2024-11-22 17:56:20,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:20,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:20,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:20,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:20,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214515391] [2024-11-22 17:56:20,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214515391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:20,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:20,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:20,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041685493] [2024-11-22 17:56:20,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:20,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:20,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:20,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:20,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:20,566 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-22 17:56:20,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 408 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:20,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:20,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-22 17:56:20,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:20,702 INFO L124 PetriNetUnfolderBase]: 34/1406 cut-off events. [2024-11-22 17:56:20,702 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:56:20,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1471 conditions, 1406 events. 34/1406 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 8143 event pairs, 13 based on Foata normal form. 0/1207 useless extension candidates. Maximal degree in co-relation 1370. Up to 43 conditions per place. [2024-11-22 17:56:20,716 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-11-22 17:56:20,716 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 410 transitions, 862 flow [2024-11-22 17:56:20,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:20,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:20,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-11-22 17:56:20,718 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-11-22 17:56:20,719 INFO L175 Difference]: Start difference. First operand has 411 places, 408 transitions, 826 flow. Second operand 3 states and 1295 transitions. [2024-11-22 17:56:20,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 410 transitions, 862 flow [2024-11-22 17:56:20,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 410 transitions, 858 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:20,740 INFO L231 Difference]: Finished difference. Result has 410 places, 408 transitions, 832 flow [2024-11-22 17:56:20,741 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=832, PETRI_PLACES=410, PETRI_TRANSITIONS=408} [2024-11-22 17:56:20,741 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -15 predicate places. [2024-11-22 17:56:20,741 INFO L471 AbstractCegarLoop]: Abstraction has has 410 places, 408 transitions, 832 flow [2024-11-22 17:56:20,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:20,742 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:20,742 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] [2024-11-22 17:56:20,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 17:56:20,743 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:20,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:20,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1280872901, now seen corresponding path program 1 times [2024-11-22 17:56:20,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:20,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420024556] [2024-11-22 17:56:20,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:20,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:20,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:20,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:20,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420024556] [2024-11-22 17:56:20,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420024556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:20,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:20,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:20,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673789338] [2024-11-22 17:56:20,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:20,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:20,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:20,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:20,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:20,786 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-22 17:56:20,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 408 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:20,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:20,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-22 17:56:20,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:20,931 INFO L124 PetriNetUnfolderBase]: 40/1646 cut-off events. [2024-11-22 17:56:20,931 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:56:20,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1724 conditions, 1646 events. 40/1646 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10640 event pairs, 14 based on Foata normal form. 0/1421 useless extension candidates. Maximal degree in co-relation 1337. Up to 49 conditions per place. [2024-11-22 17:56:20,948 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-11-22 17:56:20,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 410 transitions, 868 flow [2024-11-22 17:56:20,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:20,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:20,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-11-22 17:56:20,952 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-11-22 17:56:20,953 INFO L175 Difference]: Start difference. First operand has 410 places, 408 transitions, 832 flow. Second operand 3 states and 1295 transitions. [2024-11-22 17:56:20,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 410 transitions, 868 flow [2024-11-22 17:56:20,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 410 transitions, 868 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:20,958 INFO L231 Difference]: Finished difference. Result has 411 places, 408 transitions, 842 flow [2024-11-22 17:56:20,959 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=842, PETRI_PLACES=411, PETRI_TRANSITIONS=408} [2024-11-22 17:56:20,959 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -14 predicate places. [2024-11-22 17:56:20,960 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 408 transitions, 842 flow [2024-11-22 17:56:20,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:20,961 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:20,961 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] [2024-11-22 17:56:20,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 17:56:20,962 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:20,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:20,962 INFO L85 PathProgramCache]: Analyzing trace with hash -137455449, now seen corresponding path program 1 times [2024-11-22 17:56:20,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:20,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863083635] [2024-11-22 17:56:20,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:20,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:20,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:20,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:20,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863083635] [2024-11-22 17:56:20,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863083635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:20,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:20,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:20,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102260287] [2024-11-22 17:56:20,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:20,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:20,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:20,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:20,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:21,005 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-22 17:56:21,007 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 408 transitions, 842 flow. Second operand has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:21,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:21,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-22 17:56:21,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:21,124 INFO L124 PetriNetUnfolderBase]: 24/902 cut-off events. [2024-11-22 17:56:21,124 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:56:21,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 962 conditions, 902 events. 24/902 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4377 event pairs, 4 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 759. Up to 31 conditions per place. [2024-11-22 17:56:21,137 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-11-22 17:56:21,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 410 transitions, 878 flow [2024-11-22 17:56:21,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:21,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:21,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-11-22 17:56:21,139 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-11-22 17:56:21,139 INFO L175 Difference]: Start difference. First operand has 411 places, 408 transitions, 842 flow. Second operand 3 states and 1295 transitions. [2024-11-22 17:56:21,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 410 transitions, 878 flow [2024-11-22 17:56:21,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 410 transitions, 878 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:21,145 INFO L231 Difference]: Finished difference. Result has 412 places, 408 transitions, 852 flow [2024-11-22 17:56:21,145 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=838, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=852, PETRI_PLACES=412, PETRI_TRANSITIONS=408} [2024-11-22 17:56:21,146 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-11-22 17:56:21,147 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 408 transitions, 852 flow [2024-11-22 17:56:21,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:21,148 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:21,148 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:21,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 17:56:21,148 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:21,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:21,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1049338249, now seen corresponding path program 1 times [2024-11-22 17:56:21,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:21,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562714008] [2024-11-22 17:56:21,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:21,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:21,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:21,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:21,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562714008] [2024-11-22 17:56:21,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562714008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:21,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:21,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:21,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52508498] [2024-11-22 17:56:21,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:21,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:21,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:21,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:21,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:21,186 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-22 17:56:21,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 408 transitions, 852 flow. Second operand has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:21,187 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:21,187 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-22 17:56:21,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:21,294 INFO L124 PetriNetUnfolderBase]: 26/943 cut-off events. [2024-11-22 17:56:21,294 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:56:21,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1014 conditions, 943 events. 26/943 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4688 event pairs, 4 based on Foata normal form. 0/826 useless extension candidates. Maximal degree in co-relation 810. Up to 35 conditions per place. [2024-11-22 17:56:21,317 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-11-22 17:56:21,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 410 transitions, 888 flow [2024-11-22 17:56:21,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:21,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:21,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-11-22 17:56:21,321 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-11-22 17:56:21,321 INFO L175 Difference]: Start difference. First operand has 412 places, 408 transitions, 852 flow. Second operand 3 states and 1295 transitions. [2024-11-22 17:56:21,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 410 transitions, 888 flow [2024-11-22 17:56:21,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 410 transitions, 888 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:21,325 INFO L231 Difference]: Finished difference. Result has 413 places, 408 transitions, 862 flow [2024-11-22 17:56:21,326 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=848, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=862, PETRI_PLACES=413, PETRI_TRANSITIONS=408} [2024-11-22 17:56:21,327 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-11-22 17:56:21,327 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 408 transitions, 862 flow [2024-11-22 17:56:21,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:21,328 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:21,328 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] [2024-11-22 17:56:21,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 17:56:21,328 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:21,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:21,328 INFO L85 PathProgramCache]: Analyzing trace with hash -200193379, now seen corresponding path program 1 times [2024-11-22 17:56:21,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:21,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587603157] [2024-11-22 17:56:21,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:21,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:21,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:21,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587603157] [2024-11-22 17:56:21,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587603157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:21,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:21,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:21,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089180226] [2024-11-22 17:56:21,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:21,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:21,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:21,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:21,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:21,376 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-22 17:56:21,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 408 transitions, 862 flow. Second operand has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:21,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:21,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-22 17:56:21,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:21,565 INFO L124 PetriNetUnfolderBase]: 66/1778 cut-off events. [2024-11-22 17:56:21,566 INFO L125 PetriNetUnfolderBase]: For 21/25 co-relation queries the response was YES. [2024-11-22 17:56:21,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1908 conditions, 1778 events. 66/1778 cut-off events. For 21/25 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 10935 event pairs, 10 based on Foata normal form. 0/1515 useless extension candidates. Maximal degree in co-relation 1461. Up to 80 conditions per place. [2024-11-22 17:56:21,584 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-11-22 17:56:21,585 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 410 transitions, 898 flow [2024-11-22 17:56:21,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:21,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:21,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-11-22 17:56:21,587 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-11-22 17:56:21,587 INFO L175 Difference]: Start difference. First operand has 413 places, 408 transitions, 862 flow. Second operand 3 states and 1295 transitions. [2024-11-22 17:56:21,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 410 transitions, 898 flow [2024-11-22 17:56:21,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 410 transitions, 898 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:21,617 INFO L231 Difference]: Finished difference. Result has 414 places, 408 transitions, 872 flow [2024-11-22 17:56:21,618 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=872, PETRI_PLACES=414, PETRI_TRANSITIONS=408} [2024-11-22 17:56:21,619 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -11 predicate places. [2024-11-22 17:56:21,619 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 408 transitions, 872 flow [2024-11-22 17:56:21,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:21,620 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:21,620 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:21,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 17:56:21,620 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:21,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:21,621 INFO L85 PathProgramCache]: Analyzing trace with hash 887727743, now seen corresponding path program 1 times [2024-11-22 17:56:21,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:21,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50881478] [2024-11-22 17:56:21,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:21,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:21,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:21,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:21,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50881478] [2024-11-22 17:56:21,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50881478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:21,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:21,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:21,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523018449] [2024-11-22 17:56:21,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:21,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:21,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:21,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:21,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:21,656 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-22 17:56:21,658 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 408 transitions, 872 flow. Second operand has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:21,658 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:21,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-22 17:56:21,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:21,871 INFO L124 PetriNetUnfolderBase]: 75/1940 cut-off events. [2024-11-22 17:56:21,871 INFO L125 PetriNetUnfolderBase]: For 23/27 co-relation queries the response was YES. [2024-11-22 17:56:21,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2095 conditions, 1940 events. 75/1940 cut-off events. For 23/27 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 12063 event pairs, 19 based on Foata normal form. 0/1662 useless extension candidates. Maximal degree in co-relation 1659. Up to 90 conditions per place. [2024-11-22 17:56:21,885 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-11-22 17:56:21,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 410 transitions, 908 flow [2024-11-22 17:56:21,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:21,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:21,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-11-22 17:56:21,888 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-11-22 17:56:21,888 INFO L175 Difference]: Start difference. First operand has 414 places, 408 transitions, 872 flow. Second operand 3 states and 1295 transitions. [2024-11-22 17:56:21,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 410 transitions, 908 flow [2024-11-22 17:56:21,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 410 transitions, 908 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:21,894 INFO L231 Difference]: Finished difference. Result has 415 places, 408 transitions, 882 flow [2024-11-22 17:56:21,895 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=415, PETRI_TRANSITIONS=408} [2024-11-22 17:56:21,896 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -10 predicate places. [2024-11-22 17:56:21,896 INFO L471 AbstractCegarLoop]: Abstraction has has 415 places, 408 transitions, 882 flow [2024-11-22 17:56:21,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:21,897 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:21,897 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:21,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 17:56:21,897 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:21,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:21,898 INFO L85 PathProgramCache]: Analyzing trace with hash -89474115, now seen corresponding path program 1 times [2024-11-22 17:56:21,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:21,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964766000] [2024-11-22 17:56:21,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:21,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:21,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:21,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:21,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964766000] [2024-11-22 17:56:21,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964766000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:21,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:21,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:21,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441936338] [2024-11-22 17:56:21,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:21,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:21,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:21,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:21,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:21,959 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 454 [2024-11-22 17:56:21,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 408 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:21,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:21,960 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 454 [2024-11-22 17:56:21,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:22,208 INFO L124 PetriNetUnfolderBase]: 163/1738 cut-off events. [2024-11-22 17:56:22,208 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-22 17:56:22,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2090 conditions, 1738 events. 163/1738 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 12345 event pairs, 60 based on Foata normal form. 0/1489 useless extension candidates. Maximal degree in co-relation 1724. Up to 239 conditions per place. [2024-11-22 17:56:22,226 INFO L140 encePairwiseOnDemand]: 448/454 looper letters, 17 selfloop transitions, 2 changer transitions 0/408 dead transitions. [2024-11-22 17:56:22,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 408 transitions, 922 flow [2024-11-22 17:56:22,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:22,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:22,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2024-11-22 17:56:22,229 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419970631424376 [2024-11-22 17:56:22,229 INFO L175 Difference]: Start difference. First operand has 415 places, 408 transitions, 882 flow. Second operand 3 states and 1283 transitions. [2024-11-22 17:56:22,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 408 transitions, 922 flow [2024-11-22 17:56:22,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 408 transitions, 922 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:22,234 INFO L231 Difference]: Finished difference. Result has 414 places, 406 transitions, 888 flow [2024-11-22 17:56:22,234 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=888, PETRI_PLACES=414, PETRI_TRANSITIONS=406} [2024-11-22 17:56:22,234 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -11 predicate places. [2024-11-22 17:56:22,235 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 406 transitions, 888 flow [2024-11-22 17:56:22,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:22,235 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:22,236 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:22,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 17:56:22,236 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:22,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:22,236 INFO L85 PathProgramCache]: Analyzing trace with hash -85243873, now seen corresponding path program 1 times [2024-11-22 17:56:22,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:22,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053483193] [2024-11-22 17:56:22,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:22,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:22,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:22,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:22,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053483193] [2024-11-22 17:56:22,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053483193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:22,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:22,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:22,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479616095] [2024-11-22 17:56:22,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:22,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:22,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:22,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:22,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:22,280 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 454 [2024-11-22 17:56:22,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 406 transitions, 888 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:22,281 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:22,281 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 454 [2024-11-22 17:56:22,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:22,468 INFO L124 PetriNetUnfolderBase]: 121/1554 cut-off events. [2024-11-22 17:56:22,468 INFO L125 PetriNetUnfolderBase]: For 21/45 co-relation queries the response was YES. [2024-11-22 17:56:22,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1849 conditions, 1554 events. 121/1554 cut-off events. For 21/45 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 9833 event pairs, 52 based on Foata normal form. 3/1362 useless extension candidates. Maximal degree in co-relation 1555. Up to 191 conditions per place. [2024-11-22 17:56:22,484 INFO L140 encePairwiseOnDemand]: 448/454 looper letters, 17 selfloop transitions, 2 changer transitions 0/406 dead transitions. [2024-11-22 17:56:22,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 406 transitions, 928 flow [2024-11-22 17:56:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:22,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:22,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2024-11-22 17:56:22,487 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419970631424376 [2024-11-22 17:56:22,487 INFO L175 Difference]: Start difference. First operand has 414 places, 406 transitions, 888 flow. Second operand 3 states and 1283 transitions. [2024-11-22 17:56:22,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 406 transitions, 928 flow [2024-11-22 17:56:22,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 406 transitions, 928 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:22,491 INFO L231 Difference]: Finished difference. Result has 413 places, 404 transitions, 894 flow [2024-11-22 17:56:22,492 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=413, PETRI_TRANSITIONS=404} [2024-11-22 17:56:22,492 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-11-22 17:56:22,492 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 404 transitions, 894 flow [2024-11-22 17:56:22,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:22,494 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:22,494 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:22,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 17:56:22,494 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:22,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:22,494 INFO L85 PathProgramCache]: Analyzing trace with hash 845672241, now seen corresponding path program 1 times [2024-11-22 17:56:22,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:22,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641119452] [2024-11-22 17:56:22,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:22,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:22,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:22,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:22,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641119452] [2024-11-22 17:56:22,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641119452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:22,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:22,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:22,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580697094] [2024-11-22 17:56:22,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:22,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:22,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:22,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:22,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:22,541 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 454 [2024-11-22 17:56:22,542 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 404 transitions, 894 flow. Second operand has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:22,542 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:22,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 454 [2024-11-22 17:56:22,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:22,775 INFO L124 PetriNetUnfolderBase]: 231/1986 cut-off events. [2024-11-22 17:56:22,775 INFO L125 PetriNetUnfolderBase]: For 51/53 co-relation queries the response was YES. [2024-11-22 17:56:22,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2492 conditions, 1986 events. 231/1986 cut-off events. For 51/53 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 13110 event pairs, 76 based on Foata normal form. 0/1789 useless extension candidates. Maximal degree in co-relation 2096. Up to 364 conditions per place. [2024-11-22 17:56:22,787 INFO L140 encePairwiseOnDemand]: 448/454 looper letters, 17 selfloop transitions, 2 changer transitions 0/404 dead transitions. [2024-11-22 17:56:22,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 404 transitions, 934 flow [2024-11-22 17:56:22,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:22,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:22,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2024-11-22 17:56:22,792 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419970631424376 [2024-11-22 17:56:22,792 INFO L175 Difference]: Start difference. First operand has 413 places, 404 transitions, 894 flow. Second operand 3 states and 1283 transitions. [2024-11-22 17:56:22,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 404 transitions, 934 flow [2024-11-22 17:56:22,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 404 transitions, 934 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:22,797 INFO L231 Difference]: Finished difference. Result has 412 places, 402 transitions, 900 flow [2024-11-22 17:56:22,797 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=900, PETRI_PLACES=412, PETRI_TRANSITIONS=402} [2024-11-22 17:56:22,798 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-11-22 17:56:22,798 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 402 transitions, 900 flow [2024-11-22 17:56:22,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:22,798 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:22,799 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:22,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 17:56:22,799 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:22,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:22,799 INFO L85 PathProgramCache]: Analyzing trace with hash -2049955640, now seen corresponding path program 1 times [2024-11-22 17:56:22,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:22,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729853472] [2024-11-22 17:56:22,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:22,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:22,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:22,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:22,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729853472] [2024-11-22 17:56:22,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729853472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:22,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:22,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:22,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946478647] [2024-11-22 17:56:22,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:22,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:22,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:22,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:22,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:22,843 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 454 [2024-11-22 17:56:22,846 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 402 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:22,846 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:22,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 454 [2024-11-22 17:56:22,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:22,987 INFO L124 PetriNetUnfolderBase]: 55/1300 cut-off events. [2024-11-22 17:56:22,987 INFO L125 PetriNetUnfolderBase]: For 7/31 co-relation queries the response was YES. [2024-11-22 17:56:22,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1519 conditions, 1300 events. 55/1300 cut-off events. For 7/31 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6941 event pairs, 4 based on Foata normal form. 4/1205 useless extension candidates. Maximal degree in co-relation 1196. Up to 30 conditions per place. [2024-11-22 17:56:22,999 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2024-11-22 17:56:22,999 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 403 transitions, 930 flow [2024-11-22 17:56:22,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:22,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:23,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-11-22 17:56:23,001 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-11-22 17:56:23,001 INFO L175 Difference]: Start difference. First operand has 412 places, 402 transitions, 900 flow. Second operand 3 states and 1295 transitions. [2024-11-22 17:56:23,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 403 transitions, 930 flow [2024-11-22 17:56:23,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 403 transitions, 930 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:23,006 INFO L231 Difference]: Finished difference. Result has 413 places, 401 transitions, 902 flow [2024-11-22 17:56:23,007 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=902, PETRI_PLACES=413, PETRI_TRANSITIONS=401} [2024-11-22 17:56:23,007 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-11-22 17:56:23,007 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 401 transitions, 902 flow [2024-11-22 17:56:23,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:23,008 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:23,008 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:23,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 17:56:23,008 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:23,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:23,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1092350566, now seen corresponding path program 1 times [2024-11-22 17:56:23,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:23,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926878431] [2024-11-22 17:56:23,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:23,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:23,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:23,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:23,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926878431] [2024-11-22 17:56:23,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926878431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:23,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:23,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:23,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827356650] [2024-11-22 17:56:23,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:23,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:23,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:23,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:23,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:23,059 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-22 17:56:23,060 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 401 transitions, 902 flow. Second operand has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:23,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:23,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-22 17:56:23,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:23,228 INFO L124 PetriNetUnfolderBase]: 81/1576 cut-off events. [2024-11-22 17:56:23,229 INFO L125 PetriNetUnfolderBase]: For 19/31 co-relation queries the response was YES. [2024-11-22 17:56:23,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1889 conditions, 1576 events. 81/1576 cut-off events. For 19/31 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 9341 event pairs, 14 based on Foata normal form. 1/1465 useless extension candidates. Maximal degree in co-relation 1758. Up to 53 conditions per place. [2024-11-22 17:56:23,241 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 12 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-11-22 17:56:23,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 402 transitions, 934 flow [2024-11-22 17:56:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:23,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:23,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1293 transitions. [2024-11-22 17:56:23,244 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9493392070484582 [2024-11-22 17:56:23,244 INFO L175 Difference]: Start difference. First operand has 413 places, 401 transitions, 902 flow. Second operand 3 states and 1293 transitions. [2024-11-22 17:56:23,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 402 transitions, 934 flow [2024-11-22 17:56:23,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 402 transitions, 930 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:23,249 INFO L231 Difference]: Finished difference. Result has 412 places, 400 transitions, 900 flow [2024-11-22 17:56:23,250 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=896, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=900, PETRI_PLACES=412, PETRI_TRANSITIONS=400} [2024-11-22 17:56:23,250 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-11-22 17:56:23,250 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 400 transitions, 900 flow [2024-11-22 17:56:23,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:23,251 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:23,251 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:23,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 17:56:23,251 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:23,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:23,251 INFO L85 PathProgramCache]: Analyzing trace with hash -370909162, now seen corresponding path program 1 times [2024-11-22 17:56:23,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:23,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377230217] [2024-11-22 17:56:23,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:23,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:23,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:23,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:23,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377230217] [2024-11-22 17:56:23,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377230217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:23,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:23,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:23,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029939046] [2024-11-22 17:56:23,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:23,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:23,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:23,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:23,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:23,302 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-22 17:56:23,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 400 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:23,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:23,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-22 17:56:23,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:23,472 INFO L124 PetriNetUnfolderBase]: 65/1219 cut-off events. [2024-11-22 17:56:23,472 INFO L125 PetriNetUnfolderBase]: For 25/31 co-relation queries the response was YES. [2024-11-22 17:56:23,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1506 conditions, 1219 events. 65/1219 cut-off events. For 25/31 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6137 event pairs, 10 based on Foata normal form. 0/1146 useless extension candidates. Maximal degree in co-relation 1397. Up to 63 conditions per place. [2024-11-22 17:56:23,480 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 12 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2024-11-22 17:56:23,480 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 401 transitions, 932 flow [2024-11-22 17:56:23,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:23,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:23,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1293 transitions. [2024-11-22 17:56:23,483 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9493392070484582 [2024-11-22 17:56:23,483 INFO L175 Difference]: Start difference. First operand has 412 places, 400 transitions, 900 flow. Second operand 3 states and 1293 transitions. [2024-11-22 17:56:23,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 401 transitions, 932 flow [2024-11-22 17:56:23,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 401 transitions, 928 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:23,489 INFO L231 Difference]: Finished difference. Result has 411 places, 399 transitions, 898 flow [2024-11-22 17:56:23,489 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=898, PETRI_PLACES=411, PETRI_TRANSITIONS=399} [2024-11-22 17:56:23,489 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -14 predicate places. [2024-11-22 17:56:23,490 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 399 transitions, 898 flow [2024-11-22 17:56:23,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:23,490 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:23,490 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:23,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 17:56:23,491 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:23,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:23,491 INFO L85 PathProgramCache]: Analyzing trace with hash -433715592, now seen corresponding path program 1 times [2024-11-22 17:56:23,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:23,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291296326] [2024-11-22 17:56:23,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:23,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:23,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:23,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:23,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291296326] [2024-11-22 17:56:23,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291296326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:23,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:23,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:23,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594655128] [2024-11-22 17:56:23,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:23,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:23,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:23,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:23,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:23,578 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 454 [2024-11-22 17:56:23,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 399 transitions, 898 flow. Second operand has 3 states, 3 states have (on average 432.0) internal successors, (1296), 3 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:23,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:23,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 454 [2024-11-22 17:56:23,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:23,776 INFO L124 PetriNetUnfolderBase]: 49/1259 cut-off events. [2024-11-22 17:56:23,777 INFO L125 PetriNetUnfolderBase]: For 7/16 co-relation queries the response was YES. [2024-11-22 17:56:23,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1483 conditions, 1259 events. 49/1259 cut-off events. For 7/16 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6503 event pairs, 2 based on Foata normal form. 0/1185 useless extension candidates. Maximal degree in co-relation 1326. Up to 30 conditions per place. [2024-11-22 17:56:23,789 INFO L140 encePairwiseOnDemand]: 452/454 looper letters, 8 selfloop transitions, 1 changer transitions 0/398 dead transitions. [2024-11-22 17:56:23,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 398 transitions, 914 flow [2024-11-22 17:56:23,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:23,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:23,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1297 transitions. [2024-11-22 17:56:23,792 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9522760646108663 [2024-11-22 17:56:23,792 INFO L175 Difference]: Start difference. First operand has 411 places, 399 transitions, 898 flow. Second operand 3 states and 1297 transitions. [2024-11-22 17:56:23,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 398 transitions, 914 flow [2024-11-22 17:56:23,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 398 transitions, 910 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:23,798 INFO L231 Difference]: Finished difference. Result has 410 places, 398 transitions, 894 flow [2024-11-22 17:56:23,799 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=410, PETRI_TRANSITIONS=398} [2024-11-22 17:56:23,799 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -15 predicate places. [2024-11-22 17:56:23,799 INFO L471 AbstractCegarLoop]: Abstraction has has 410 places, 398 transitions, 894 flow [2024-11-22 17:56:23,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.0) internal successors, (1296), 3 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:23,800 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:23,800 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:23,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-22 17:56:23,800 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:23,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:23,801 INFO L85 PathProgramCache]: Analyzing trace with hash 41553439, now seen corresponding path program 1 times [2024-11-22 17:56:23,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:23,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167910077] [2024-11-22 17:56:23,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:23,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:23,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:23,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:23,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167910077] [2024-11-22 17:56:23,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167910077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:23,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:23,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:23,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153742765] [2024-11-22 17:56:23,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:23,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:23,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:23,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:23,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:23,882 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-22 17:56:23,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 398 transitions, 894 flow. Second operand has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:23,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:23,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-22 17:56:23,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:24,075 INFO L124 PetriNetUnfolderBase]: 60/1492 cut-off events. [2024-11-22 17:56:24,075 INFO L125 PetriNetUnfolderBase]: For 7/13 co-relation queries the response was YES. [2024-11-22 17:56:24,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1730 conditions, 1492 events. 60/1492 cut-off events. For 7/13 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 8525 event pairs, 7 based on Foata normal form. 0/1401 useless extension candidates. Maximal degree in co-relation 1694. Up to 36 conditions per place. [2024-11-22 17:56:24,088 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 10 selfloop transitions, 1 changer transitions 0/396 dead transitions. [2024-11-22 17:56:24,088 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 396 transitions, 912 flow [2024-11-22 17:56:24,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:24,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1291 transitions. [2024-11-22 17:56:24,090 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478707782672541 [2024-11-22 17:56:24,090 INFO L175 Difference]: Start difference. First operand has 410 places, 398 transitions, 894 flow. Second operand 3 states and 1291 transitions. [2024-11-22 17:56:24,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 396 transitions, 912 flow [2024-11-22 17:56:24,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 396 transitions, 911 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:56:24,095 INFO L231 Difference]: Finished difference. Result has 409 places, 396 transitions, 891 flow [2024-11-22 17:56:24,095 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=889, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=891, PETRI_PLACES=409, PETRI_TRANSITIONS=396} [2024-11-22 17:56:24,096 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -16 predicate places. [2024-11-22 17:56:24,096 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 396 transitions, 891 flow [2024-11-22 17:56:24,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:24,096 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:24,097 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:24,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-22 17:56:24,097 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-22 17:56:24,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:24,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1033353884, now seen corresponding path program 1 times [2024-11-22 17:56:24,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:24,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678272200] [2024-11-22 17:56:24,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:24,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:24,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:24,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:24,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678272200] [2024-11-22 17:56:24,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678272200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:24,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:24,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:24,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141853876] [2024-11-22 17:56:24,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:24,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:24,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:24,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:24,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:24,159 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-22 17:56:24,160 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 396 transitions, 891 flow. Second operand has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:24,160 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:24,160 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-22 17:56:24,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:24,289 INFO L124 PetriNetUnfolderBase]: 50/1171 cut-off events. [2024-11-22 17:56:24,290 INFO L125 PetriNetUnfolderBase]: For 10/16 co-relation queries the response was YES. [2024-11-22 17:56:24,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1374 conditions, 1171 events. 50/1171 cut-off events. For 10/16 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5851 event pairs, 5 based on Foata normal form. 1/1103 useless extension candidates. Maximal degree in co-relation 1349. Up to 36 conditions per place. [2024-11-22 17:56:24,299 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 0 selfloop transitions, 0 changer transitions 394/394 dead transitions. [2024-11-22 17:56:24,299 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 394 transitions, 907 flow [2024-11-22 17:56:24,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:24,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:24,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1290 transitions. [2024-11-22 17:56:24,301 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.947136563876652 [2024-11-22 17:56:24,302 INFO L175 Difference]: Start difference. First operand has 409 places, 396 transitions, 891 flow. Second operand 3 states and 1290 transitions. [2024-11-22 17:56:24,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 394 transitions, 907 flow [2024-11-22 17:56:24,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 394 transitions, 906 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:56:24,305 INFO L231 Difference]: Finished difference. Result has 408 places, 0 transitions, 0 flow [2024-11-22 17:56:24,305 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=408, PETRI_TRANSITIONS=0} [2024-11-22 17:56:24,306 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -17 predicate places. [2024-11-22 17:56:24,306 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 0 transitions, 0 flow [2024-11-22 17:56:24,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:24,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (70 of 71 remaining) [2024-11-22 17:56:24,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (69 of 71 remaining) [2024-11-22 17:56:24,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (68 of 71 remaining) [2024-11-22 17:56:24,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (67 of 71 remaining) [2024-11-22 17:56:24,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (66 of 71 remaining) [2024-11-22 17:56:24,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (65 of 71 remaining) [2024-11-22 17:56:24,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (64 of 71 remaining) [2024-11-22 17:56:24,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (63 of 71 remaining) [2024-11-22 17:56:24,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (62 of 71 remaining) [2024-11-22 17:56:24,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (61 of 71 remaining) [2024-11-22 17:56:24,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (60 of 71 remaining) [2024-11-22 17:56:24,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (59 of 71 remaining) [2024-11-22 17:56:24,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (58 of 71 remaining) [2024-11-22 17:56:24,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (57 of 71 remaining) [2024-11-22 17:56:24,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (56 of 71 remaining) [2024-11-22 17:56:24,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (55 of 71 remaining) [2024-11-22 17:56:24,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (54 of 71 remaining) [2024-11-22 17:56:24,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (53 of 71 remaining) [2024-11-22 17:56:24,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (52 of 71 remaining) [2024-11-22 17:56:24,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (51 of 71 remaining) [2024-11-22 17:56:24,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (50 of 71 remaining) [2024-11-22 17:56:24,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (49 of 71 remaining) [2024-11-22 17:56:24,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (48 of 71 remaining) [2024-11-22 17:56:24,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (47 of 71 remaining) [2024-11-22 17:56:24,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (46 of 71 remaining) [2024-11-22 17:56:24,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (45 of 71 remaining) [2024-11-22 17:56:24,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (44 of 71 remaining) [2024-11-22 17:56:24,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (43 of 71 remaining) [2024-11-22 17:56:24,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (42 of 71 remaining) [2024-11-22 17:56:24,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (41 of 71 remaining) [2024-11-22 17:56:24,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (40 of 71 remaining) [2024-11-22 17:56:24,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (39 of 71 remaining) [2024-11-22 17:56:24,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 71 remaining) [2024-11-22 17:56:24,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (37 of 71 remaining) [2024-11-22 17:56:24,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (36 of 71 remaining) [2024-11-22 17:56:24,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (35 of 71 remaining) [2024-11-22 17:56:24,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (34 of 71 remaining) [2024-11-22 17:56:24,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (33 of 71 remaining) [2024-11-22 17:56:24,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (32 of 71 remaining) [2024-11-22 17:56:24,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (31 of 71 remaining) [2024-11-22 17:56:24,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (30 of 71 remaining) [2024-11-22 17:56:24,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 71 remaining) [2024-11-22 17:56:24,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 71 remaining) [2024-11-22 17:56:24,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 71 remaining) [2024-11-22 17:56:24,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 71 remaining) [2024-11-22 17:56:24,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 71 remaining) [2024-11-22 17:56:24,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 71 remaining) [2024-11-22 17:56:24,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 71 remaining) [2024-11-22 17:56:24,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 71 remaining) [2024-11-22 17:56:24,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 71 remaining) [2024-11-22 17:56:24,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (20 of 71 remaining) [2024-11-22 17:56:24,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (19 of 71 remaining) [2024-11-22 17:56:24,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (18 of 71 remaining) [2024-11-22 17:56:24,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 71 remaining) [2024-11-22 17:56:24,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 71 remaining) [2024-11-22 17:56:24,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 71 remaining) [2024-11-22 17:56:24,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 71 remaining) [2024-11-22 17:56:24,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 71 remaining) [2024-11-22 17:56:24,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 71 remaining) [2024-11-22 17:56:24,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 71 remaining) [2024-11-22 17:56:24,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 71 remaining) [2024-11-22 17:56:24,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 71 remaining) [2024-11-22 17:56:24,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 71 remaining) [2024-11-22 17:56:24,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 71 remaining) [2024-11-22 17:56:24,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 71 remaining) [2024-11-22 17:56:24,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 71 remaining) [2024-11-22 17:56:24,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 71 remaining) [2024-11-22 17:56:24,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 71 remaining) [2024-11-22 17:56:24,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 71 remaining) [2024-11-22 17:56:24,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 71 remaining) [2024-11-22 17:56:24,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 71 remaining) [2024-11-22 17:56:24,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-22 17:56:24,317 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, 1] [2024-11-22 17:56:24,321 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:56:24,322 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:56:24,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:56:24 BasicIcfg [2024-11-22 17:56:24,326 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:56:24,326 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:56:24,326 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:56:24,326 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:56:24,327 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:56:18" (3/4) ... [2024-11-22 17:56:24,328 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 17:56:24,330 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-22 17:56:24,330 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-22 17:56:24,330 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-22 17:56:24,335 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-22 17:56:24,335 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 17:56:24,336 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 17:56:24,336 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 17:56:24,413 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:56:24,413 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 17:56:24,413 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:56:24,414 INFO L158 Benchmark]: Toolchain (without parser) took 7288.90ms. Allocated memory was 180.4MB in the beginning and 666.9MB in the end (delta: 486.5MB). Free memory was 142.2MB in the beginning and 523.6MB in the end (delta: -381.5MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. [2024-11-22 17:56:24,414 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:56:24,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.21ms. Allocated memory is still 180.4MB. Free memory was 142.2MB in the beginning and 128.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 17:56:24,414 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.55ms. Allocated memory is still 180.4MB. Free memory was 128.0MB in the beginning and 124.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:56:24,414 INFO L158 Benchmark]: Boogie Preprocessor took 23.02ms. Allocated memory is still 180.4MB. Free memory was 124.9MB in the beginning and 123.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:56:24,415 INFO L158 Benchmark]: RCFGBuilder took 584.86ms. Allocated memory is still 180.4MB. Free memory was 123.3MB in the beginning and 127.7MB in the end (delta: -4.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-22 17:56:24,415 INFO L158 Benchmark]: TraceAbstraction took 6308.24ms. Allocated memory was 180.4MB in the beginning and 666.9MB in the end (delta: 486.5MB). Free memory was 127.0MB in the beginning and 528.9MB in the end (delta: -401.9MB). Peak memory consumption was 386.4MB. Max. memory is 16.1GB. [2024-11-22 17:56:24,415 INFO L158 Benchmark]: Witness Printer took 87.37ms. Allocated memory is still 666.9MB. Free memory was 528.9MB in the beginning and 523.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 17:56:24,416 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.21ms. Allocated memory is still 180.4MB. Free memory was 142.2MB in the beginning and 128.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.55ms. Allocated memory is still 180.4MB. Free memory was 128.0MB in the beginning and 124.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.02ms. Allocated memory is still 180.4MB. Free memory was 124.9MB in the beginning and 123.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 584.86ms. Allocated memory is still 180.4MB. Free memory was 123.3MB in the beginning and 127.7MB in the end (delta: -4.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 6308.24ms. Allocated memory was 180.4MB in the beginning and 666.9MB in the end (delta: 486.5MB). Free memory was 127.0MB in the beginning and 528.9MB in the end (delta: -401.9MB). Peak memory consumption was 386.4MB. Max. memory is 16.1GB. * Witness Printer took 87.37ms. Allocated memory is still 666.9MB. Free memory was 528.9MB in the beginning and 523.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 710 locations, 71 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: 6.2s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 527 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 129 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 642 IncrementalHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 129 mSDtfsCounter, 642 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=902occurred in iteration=19, InterpolantAutomatonStates: 72, 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, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 3270 NumberOfCodeBlocks, 3270 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3246 ConstructedInterpolants, 0 QuantifiedInterpolants, 3294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-22 17:56:24,437 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