./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2.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 387afe7095db5eeb3a9188bc3fe181fa803bb62f73944f6d781c5c9340fce39e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:32:28,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:32:28,244 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:32:28,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:32:28,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:32:28,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:32:28,287 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:32:28,287 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:32:28,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:32:28,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:32:28,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:32:28,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:32:28,291 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:32:28,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:32:28,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:32:28,292 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:32:28,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:32:28,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:32:28,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:32:28,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:32:28,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:32:28,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:32:28,297 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:32:28,297 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:32:28,298 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:32:28,298 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:32:28,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:32:28,299 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:32:28,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:32:28,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:32:28,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:32:28,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:32:28,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:32:28,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:32:28,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:32:28,302 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:32:28,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:32:28,302 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:32:28,303 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:32:28,303 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:32:28,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:32:28,304 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 387afe7095db5eeb3a9188bc3fe181fa803bb62f73944f6d781c5c9340fce39e [2024-10-24 15:32:28,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:32:28,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:32:28,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:32:28,625 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:32:28,626 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:32:28,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2.wvr.c [2024-10-24 15:32:30,071 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:32:30,298 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:32:30,298 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2.wvr.c [2024-10-24 15:32:30,308 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c8d845f2/ea3f28856f41423cb32f0a98ede5a9ed/FLAGb8a0c512a [2024-10-24 15:32:30,324 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c8d845f2/ea3f28856f41423cb32f0a98ede5a9ed [2024-10-24 15:32:30,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:32:30,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:32:30,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:32:30,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:32:30,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:32:30,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:32:30" (1/1) ... [2024-10-24 15:32:30,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b6d259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:30, skipping insertion in model container [2024-10-24 15:32:30,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:32:30" (1/1) ... [2024-10-24 15:32:30,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:32:30,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:32:30,589 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:32:30,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:32:30,635 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:32:30,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:30 WrapperNode [2024-10-24 15:32:30,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:32:30,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:32:30,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:32:30,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:32:30,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:30" (1/1) ... [2024-10-24 15:32:30,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:30" (1/1) ... [2024-10-24 15:32:30,679 INFO L138 Inliner]: procedures = 20, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 107 [2024-10-24 15:32:30,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:32:30,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:32:30,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:32:30,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:32:30,690 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:30" (1/1) ... [2024-10-24 15:32:30,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:30" (1/1) ... [2024-10-24 15:32:30,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:30" (1/1) ... [2024-10-24 15:32:30,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:30" (1/1) ... [2024-10-24 15:32:30,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:30" (1/1) ... [2024-10-24 15:32:30,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:30" (1/1) ... [2024-10-24 15:32:30,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:30" (1/1) ... [2024-10-24 15:32:30,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:30" (1/1) ... [2024-10-24 15:32:30,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:32:30,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:32:30,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:32:30,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:32:30,710 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:30" (1/1) ... [2024-10-24 15:32:30,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:32:30,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:32:30,752 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) [2024-10-24 15:32:30,755 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 [2024-10-24 15:32:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:32:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-24 15:32:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-24 15:32:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-24 15:32:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-24 15:32:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:32:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 15:32:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 15:32:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:32:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:32:30,806 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:32:30,896 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:32:30,897 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:32:31,304 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:32:31,304 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:32:31,406 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:32:31,408 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-24 15:32:31,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:32:31 BoogieIcfgContainer [2024-10-24 15:32:31,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:32:31,412 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:32:31,412 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:32:31,415 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:32:31,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:32:30" (1/3) ... [2024-10-24 15:32:31,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7dacfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:32:31, skipping insertion in model container [2024-10-24 15:32:31,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:30" (2/3) ... [2024-10-24 15:32:31,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7dacfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:32:31, skipping insertion in model container [2024-10-24 15:32:31,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:32:31" (3/3) ... [2024-10-24 15:32:31,419 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2.wvr.c [2024-10-24 15:32:31,437 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:32:31,437 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-10-24 15:32:31,439 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:32:31,522 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-24 15:32:31,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 217 places, 220 transitions, 454 flow [2024-10-24 15:32:31,649 INFO L124 PetriNetUnfolderBase]: 10/218 cut-off events. [2024-10-24 15:32:31,649 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 15:32:31,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 218 events. 10/218 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 340 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 153. Up to 2 conditions per place. [2024-10-24 15:32:31,663 INFO L82 GeneralOperation]: Start removeDead. Operand has 217 places, 220 transitions, 454 flow [2024-10-24 15:32:31,672 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 199 places, 201 transitions, 414 flow [2024-10-24 15:32:31,685 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:32:31,692 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;@56a455b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:32:31,692 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-10-24 15:32:31,697 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:32:31,698 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-10-24 15:32:31,698 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:32:31,698 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:31,699 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] [2024-10-24 15:32:31,700 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-24 15:32:31,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:31,705 INFO L85 PathProgramCache]: Analyzing trace with hash 487679865, now seen corresponding path program 1 times [2024-10-24 15:32:31,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:31,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065119004] [2024-10-24 15:32:31,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:31,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:31,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:31,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:31,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065119004] [2024-10-24 15:32:31,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065119004] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:31,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:31,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:31,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634241183] [2024-10-24 15:32:31,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:31,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:31,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:31,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:31,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:31,988 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 220 [2024-10-24 15:32:31,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 201 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:31,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:31,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 220 [2024-10-24 15:32:31,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:32,090 INFO L124 PetriNetUnfolderBase]: 14/237 cut-off events. [2024-10-24 15:32:32,091 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-24 15:32:32,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 237 events. 14/237 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 470 event pairs, 3 based on Foata normal form. 7/202 useless extension candidates. Maximal degree in co-relation 157. Up to 26 conditions per place. [2024-10-24 15:32:32,098 INFO L140 encePairwiseOnDemand]: 206/220 looper letters, 15 selfloop transitions, 2 changer transitions 1/189 dead transitions. [2024-10-24 15:32:32,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 189 transitions, 424 flow [2024-10-24 15:32:32,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:32,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:32,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 593 transitions. [2024-10-24 15:32:32,119 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8984848484848484 [2024-10-24 15:32:32,122 INFO L175 Difference]: Start difference. First operand has 199 places, 201 transitions, 414 flow. Second operand 3 states and 593 transitions. [2024-10-24 15:32:32,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 189 transitions, 424 flow [2024-10-24 15:32:32,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 189 transitions, 416 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-24 15:32:32,135 INFO L231 Difference]: Finished difference. Result has 188 places, 188 transitions, 384 flow [2024-10-24 15:32:32,137 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=188, PETRI_TRANSITIONS=188} [2024-10-24 15:32:32,143 INFO L277 CegarLoopForPetriNet]: 199 programPoint places, -11 predicate places. [2024-10-24 15:32:32,144 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 188 transitions, 384 flow [2024-10-24 15:32:32,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:32,145 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:32,146 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] [2024-10-24 15:32:32,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:32:32,146 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-24 15:32:32,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:32,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1887846002, now seen corresponding path program 1 times [2024-10-24 15:32:32,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:32,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692652414] [2024-10-24 15:32:32,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:32,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:32,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:32,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:32,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692652414] [2024-10-24 15:32:32,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692652414] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:32,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:32,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:32,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537095759] [2024-10-24 15:32:32,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:32,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:32,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:32,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:32,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:32,267 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 220 [2024-10-24 15:32:32,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 188 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:32,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:32,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 220 [2024-10-24 15:32:32,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:32,359 INFO L124 PetriNetUnfolderBase]: 24/278 cut-off events. [2024-10-24 15:32:32,359 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 15:32:32,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 278 events. 24/278 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 753 event pairs, 9 based on Foata normal form. 0/228 useless extension candidates. Maximal degree in co-relation 304. Up to 43 conditions per place. [2024-10-24 15:32:32,365 INFO L140 encePairwiseOnDemand]: 217/220 looper letters, 15 selfloop transitions, 2 changer transitions 0/187 dead transitions. [2024-10-24 15:32:32,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 187 transitions, 416 flow [2024-10-24 15:32:32,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:32,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:32,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 582 transitions. [2024-10-24 15:32:32,369 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8818181818181818 [2024-10-24 15:32:32,371 INFO L175 Difference]: Start difference. First operand has 188 places, 188 transitions, 384 flow. Second operand 3 states and 582 transitions. [2024-10-24 15:32:32,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 187 transitions, 416 flow [2024-10-24 15:32:32,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 187 transitions, 412 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:32,378 INFO L231 Difference]: Finished difference. Result has 186 places, 187 transitions, 382 flow [2024-10-24 15:32:32,379 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=382, PETRI_PLACES=186, PETRI_TRANSITIONS=187} [2024-10-24 15:32:32,379 INFO L277 CegarLoopForPetriNet]: 199 programPoint places, -13 predicate places. [2024-10-24 15:32:32,380 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 187 transitions, 382 flow [2024-10-24 15:32:32,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:32,380 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:32,381 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:32:32,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:32:32,381 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-24 15:32:32,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:32,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1182175354, now seen corresponding path program 1 times [2024-10-24 15:32:32,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:32,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805029059] [2024-10-24 15:32:32,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:32,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:32,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:32,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:32,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805029059] [2024-10-24 15:32:32,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805029059] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:32,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:32,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:32,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431298364] [2024-10-24 15:32:32,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:32,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:32,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:32,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:32,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:32,506 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 220 [2024-10-24 15:32:32,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 187 transitions, 382 flow. Second operand has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:32,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:32,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 220 [2024-10-24 15:32:32,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:32,571 INFO L124 PetriNetUnfolderBase]: 24/279 cut-off events. [2024-10-24 15:32:32,574 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-24 15:32:32,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 279 events. 24/279 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 780 event pairs, 9 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 294. Up to 42 conditions per place. [2024-10-24 15:32:32,577 INFO L140 encePairwiseOnDemand]: 217/220 looper letters, 15 selfloop transitions, 2 changer transitions 0/186 dead transitions. [2024-10-24 15:32:32,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 186 transitions, 414 flow [2024-10-24 15:32:32,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:32,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:32,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 582 transitions. [2024-10-24 15:32:32,600 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8818181818181818 [2024-10-24 15:32:32,601 INFO L175 Difference]: Start difference. First operand has 186 places, 187 transitions, 382 flow. Second operand 3 states and 582 transitions. [2024-10-24 15:32:32,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 186 transitions, 414 flow [2024-10-24 15:32:32,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 186 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:32,606 INFO L231 Difference]: Finished difference. Result has 185 places, 186 transitions, 380 flow [2024-10-24 15:32:32,608 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=185, PETRI_TRANSITIONS=186} [2024-10-24 15:32:32,609 INFO L277 CegarLoopForPetriNet]: 199 programPoint places, -14 predicate places. [2024-10-24 15:32:32,609 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 186 transitions, 380 flow [2024-10-24 15:32:32,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:32,610 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:32,610 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:32:32,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:32:32,610 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-24 15:32:32,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:32,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1676896061, now seen corresponding path program 1 times [2024-10-24 15:32:32,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:32,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995815669] [2024-10-24 15:32:32,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:32,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:32,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:32,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:32,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995815669] [2024-10-24 15:32:32,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995815669] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:32,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:32,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:32,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969245490] [2024-10-24 15:32:32,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:32,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:32,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:32,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:32,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:32,700 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 220 [2024-10-24 15:32:32,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 186 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:32,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:32,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 220 [2024-10-24 15:32:32,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:32,751 INFO L124 PetriNetUnfolderBase]: 23/312 cut-off events. [2024-10-24 15:32:32,752 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-24 15:32:32,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 312 events. 23/312 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 894 event pairs, 8 based on Foata normal form. 0/255 useless extension candidates. Maximal degree in co-relation 318. Up to 39 conditions per place. [2024-10-24 15:32:32,754 INFO L140 encePairwiseOnDemand]: 217/220 looper letters, 13 selfloop transitions, 2 changer transitions 0/185 dead transitions. [2024-10-24 15:32:32,754 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 185 transitions, 408 flow [2024-10-24 15:32:32,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:32,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:32,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 586 transitions. [2024-10-24 15:32:32,757 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8878787878787879 [2024-10-24 15:32:32,757 INFO L175 Difference]: Start difference. First operand has 185 places, 186 transitions, 380 flow. Second operand 3 states and 586 transitions. [2024-10-24 15:32:32,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 185 transitions, 408 flow [2024-10-24 15:32:32,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 185 transitions, 404 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:32,761 INFO L231 Difference]: Finished difference. Result has 184 places, 185 transitions, 378 flow [2024-10-24 15:32:32,761 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=378, PETRI_PLACES=184, PETRI_TRANSITIONS=185} [2024-10-24 15:32:32,763 INFO L277 CegarLoopForPetriNet]: 199 programPoint places, -15 predicate places. [2024-10-24 15:32:32,763 INFO L471 AbstractCegarLoop]: Abstraction has has 184 places, 185 transitions, 378 flow [2024-10-24 15:32:32,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:32,764 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:32,764 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:32:32,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:32:32,765 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-24 15:32:32,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:32,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1542119025, now seen corresponding path program 1 times [2024-10-24 15:32:32,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:32,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96949855] [2024-10-24 15:32:32,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:32,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:32,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:32,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:32,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96949855] [2024-10-24 15:32:32,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96949855] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:32,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:32,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:32,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935010379] [2024-10-24 15:32:32,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:32,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:32,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:32,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:32,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:32,851 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 220 [2024-10-24 15:32:32,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 185 transitions, 378 flow. Second operand has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:32,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:32,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 220 [2024-10-24 15:32:32,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:32,905 INFO L124 PetriNetUnfolderBase]: 28/345 cut-off events. [2024-10-24 15:32:32,906 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-24 15:32:32,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 401 conditions, 345 events. 28/345 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1077 event pairs, 9 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 351. Up to 44 conditions per place. [2024-10-24 15:32:32,908 INFO L140 encePairwiseOnDemand]: 217/220 looper letters, 14 selfloop transitions, 2 changer transitions 0/184 dead transitions. [2024-10-24 15:32:32,909 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 184 transitions, 408 flow [2024-10-24 15:32:32,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:32,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:32,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 584 transitions. [2024-10-24 15:32:32,910 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8848484848484849 [2024-10-24 15:32:32,911 INFO L175 Difference]: Start difference. First operand has 184 places, 185 transitions, 378 flow. Second operand 3 states and 584 transitions. [2024-10-24 15:32:32,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 184 transitions, 408 flow [2024-10-24 15:32:32,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 184 transitions, 404 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:32,914 INFO L231 Difference]: Finished difference. Result has 183 places, 184 transitions, 376 flow [2024-10-24 15:32:32,914 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=376, PETRI_PLACES=183, PETRI_TRANSITIONS=184} [2024-10-24 15:32:32,915 INFO L277 CegarLoopForPetriNet]: 199 programPoint places, -16 predicate places. [2024-10-24 15:32:32,915 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 184 transitions, 376 flow [2024-10-24 15:32:32,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:32,916 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:32,917 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:32:32,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:32:32,918 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-24 15:32:32,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:32,918 INFO L85 PathProgramCache]: Analyzing trace with hash 731743632, now seen corresponding path program 1 times [2024-10-24 15:32:32,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:32,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553729805] [2024-10-24 15:32:32,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:32,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:32,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:32,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:32,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553729805] [2024-10-24 15:32:32,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553729805] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:32,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:32,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:32,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917842874] [2024-10-24 15:32:32,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:32,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:32,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:32,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:32,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:33,002 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 220 [2024-10-24 15:32:33,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 184 transitions, 376 flow. Second operand has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:33,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:33,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 220 [2024-10-24 15:32:33,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:33,051 INFO L124 PetriNetUnfolderBase]: 25/273 cut-off events. [2024-10-24 15:32:33,051 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-24 15:32:33,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 273 events. 25/273 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 670 event pairs, 9 based on Foata normal form. 0/230 useless extension candidates. Maximal degree in co-relation 266. Up to 42 conditions per place. [2024-10-24 15:32:33,054 INFO L140 encePairwiseOnDemand]: 217/220 looper letters, 14 selfloop transitions, 2 changer transitions 0/183 dead transitions. [2024-10-24 15:32:33,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 183 transitions, 406 flow [2024-10-24 15:32:33,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:33,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:33,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 584 transitions. [2024-10-24 15:32:33,056 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8848484848484849 [2024-10-24 15:32:33,056 INFO L175 Difference]: Start difference. First operand has 183 places, 184 transitions, 376 flow. Second operand 3 states and 584 transitions. [2024-10-24 15:32:33,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 183 transitions, 406 flow [2024-10-24 15:32:33,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 183 transitions, 402 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:33,061 INFO L231 Difference]: Finished difference. Result has 182 places, 183 transitions, 374 flow [2024-10-24 15:32:33,061 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=374, PETRI_PLACES=182, PETRI_TRANSITIONS=183} [2024-10-24 15:32:33,064 INFO L277 CegarLoopForPetriNet]: 199 programPoint places, -17 predicate places. [2024-10-24 15:32:33,064 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 183 transitions, 374 flow [2024-10-24 15:32:33,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:33,065 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:33,065 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:32:33,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:32:33,066 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-24 15:32:33,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:33,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1879290269, now seen corresponding path program 1 times [2024-10-24 15:32:33,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:33,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856175259] [2024-10-24 15:32:33,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:33,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:33,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:33,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:33,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856175259] [2024-10-24 15:32:33,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856175259] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:33,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:33,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:33,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962560068] [2024-10-24 15:32:33,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:33,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:33,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:33,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:33,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:33,151 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 220 [2024-10-24 15:32:33,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 183 transitions, 374 flow. Second operand has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:33,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:33,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 220 [2024-10-24 15:32:33,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:33,207 INFO L124 PetriNetUnfolderBase]: 28/343 cut-off events. [2024-10-24 15:32:33,207 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-24 15:32:33,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 396 conditions, 343 events. 28/343 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 957 event pairs, 0 based on Foata normal form. 1/280 useless extension candidates. Maximal degree in co-relation 330. Up to 34 conditions per place. [2024-10-24 15:32:33,210 INFO L140 encePairwiseOnDemand]: 210/220 looper letters, 15 selfloop transitions, 5 changer transitions 4/187 dead transitions. [2024-10-24 15:32:33,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 187 transitions, 433 flow [2024-10-24 15:32:33,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:33,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:33,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 586 transitions. [2024-10-24 15:32:33,212 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8878787878787879 [2024-10-24 15:32:33,212 INFO L175 Difference]: Start difference. First operand has 182 places, 183 transitions, 374 flow. Second operand 3 states and 586 transitions. [2024-10-24 15:32:33,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 187 transitions, 433 flow [2024-10-24 15:32:33,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 187 transitions, 429 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:33,216 INFO L231 Difference]: Finished difference. Result has 179 places, 181 transitions, 388 flow [2024-10-24 15:32:33,216 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=388, PETRI_PLACES=179, PETRI_TRANSITIONS=181} [2024-10-24 15:32:33,217 INFO L277 CegarLoopForPetriNet]: 199 programPoint places, -20 predicate places. [2024-10-24 15:32:33,218 INFO L471 AbstractCegarLoop]: Abstraction has has 179 places, 181 transitions, 388 flow [2024-10-24 15:32:33,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:33,218 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:33,219 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] [2024-10-24 15:32:33,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:32:33,219 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-24 15:32:33,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:33,220 INFO L85 PathProgramCache]: Analyzing trace with hash 2111697330, now seen corresponding path program 1 times [2024-10-24 15:32:33,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:33,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269368806] [2024-10-24 15:32:33,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:33,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:33,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:33,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:33,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269368806] [2024-10-24 15:32:33,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269368806] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:33,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:33,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:33,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201465203] [2024-10-24 15:32:33,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:33,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:33,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:33,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:33,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:33,319 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 220 [2024-10-24 15:32:33,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 181 transitions, 388 flow. Second operand has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:33,321 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:33,321 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 220 [2024-10-24 15:32:33,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:33,380 INFO L124 PetriNetUnfolderBase]: 55/399 cut-off events. [2024-10-24 15:32:33,380 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2024-10-24 15:32:33,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 558 conditions, 399 events. 55/399 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1255 event pairs, 12 based on Foata normal form. 0/323 useless extension candidates. Maximal degree in co-relation 329. Up to 75 conditions per place. [2024-10-24 15:32:33,383 INFO L140 encePairwiseOnDemand]: 214/220 looper letters, 20 selfloop transitions, 3 changer transitions 0/182 dead transitions. [2024-10-24 15:32:33,383 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 182 transitions, 441 flow [2024-10-24 15:32:33,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:33,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:33,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 586 transitions. [2024-10-24 15:32:33,385 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8878787878787879 [2024-10-24 15:32:33,385 INFO L175 Difference]: Start difference. First operand has 179 places, 181 transitions, 388 flow. Second operand 3 states and 586 transitions. [2024-10-24 15:32:33,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 182 transitions, 441 flow [2024-10-24 15:32:33,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 182 transitions, 436 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:32:33,389 INFO L231 Difference]: Finished difference. Result has 176 places, 179 transitions, 390 flow [2024-10-24 15:32:33,389 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=390, PETRI_PLACES=176, PETRI_TRANSITIONS=179} [2024-10-24 15:32:33,390 INFO L277 CegarLoopForPetriNet]: 199 programPoint places, -23 predicate places. [2024-10-24 15:32:33,390 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 179 transitions, 390 flow [2024-10-24 15:32:33,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:33,391 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:33,391 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] [2024-10-24 15:32:33,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:32:33,391 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-24 15:32:33,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:33,392 INFO L85 PathProgramCache]: Analyzing trace with hash -108350526, now seen corresponding path program 1 times [2024-10-24 15:32:33,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:33,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993089606] [2024-10-24 15:32:33,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:33,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:33,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:33,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:33,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993089606] [2024-10-24 15:32:33,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993089606] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:33,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:33,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:33,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995699867] [2024-10-24 15:32:33,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:33,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:33,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:33,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:33,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:33,471 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 220 [2024-10-24 15:32:33,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 179 transitions, 390 flow. Second operand has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:33,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:33,472 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 220 [2024-10-24 15:32:33,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:33,545 INFO L124 PetriNetUnfolderBase]: 71/467 cut-off events. [2024-10-24 15:32:33,545 INFO L125 PetriNetUnfolderBase]: For 73/87 co-relation queries the response was YES. [2024-10-24 15:32:33,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 467 events. 71/467 cut-off events. For 73/87 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1810 event pairs, 4 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 413. Up to 82 conditions per place. [2024-10-24 15:32:33,549 INFO L140 encePairwiseOnDemand]: 214/220 looper letters, 24 selfloop transitions, 3 changer transitions 0/184 dead transitions. [2024-10-24 15:32:33,549 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 184 transitions, 465 flow [2024-10-24 15:32:33,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:33,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:33,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2024-10-24 15:32:33,551 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8909090909090909 [2024-10-24 15:32:33,551 INFO L175 Difference]: Start difference. First operand has 176 places, 179 transitions, 390 flow. Second operand 3 states and 588 transitions. [2024-10-24 15:32:33,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 184 transitions, 465 flow [2024-10-24 15:32:33,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 184 transitions, 462 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:32:33,555 INFO L231 Difference]: Finished difference. Result has 175 places, 177 transitions, 394 flow [2024-10-24 15:32:33,555 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=394, PETRI_PLACES=175, PETRI_TRANSITIONS=177} [2024-10-24 15:32:33,556 INFO L277 CegarLoopForPetriNet]: 199 programPoint places, -24 predicate places. [2024-10-24 15:32:33,556 INFO L471 AbstractCegarLoop]: Abstraction has has 175 places, 177 transitions, 394 flow [2024-10-24 15:32:33,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:33,557 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:33,557 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] [2024-10-24 15:32:33,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:32:33,557 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-24 15:32:33,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:33,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1142776812, now seen corresponding path program 1 times [2024-10-24 15:32:33,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:33,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614210338] [2024-10-24 15:32:33,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:33,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:33,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:33,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:33,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614210338] [2024-10-24 15:32:33,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614210338] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:33,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:33,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:33,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601203133] [2024-10-24 15:32:33,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:33,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:33,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:33,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:33,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:33,623 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 220 [2024-10-24 15:32:33,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 177 transitions, 394 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:33,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:33,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 220 [2024-10-24 15:32:33,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:33,714 INFO L124 PetriNetUnfolderBase]: 70/630 cut-off events. [2024-10-24 15:32:33,714 INFO L125 PetriNetUnfolderBase]: For 56/56 co-relation queries the response was YES. [2024-10-24 15:32:33,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 846 conditions, 630 events. 70/630 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3106 event pairs, 14 based on Foata normal form. 0/530 useless extension candidates. Maximal degree in co-relation 402. Up to 114 conditions per place. [2024-10-24 15:32:33,718 INFO L140 encePairwiseOnDemand]: 216/220 looper letters, 17 selfloop transitions, 2 changer transitions 0/178 dead transitions. [2024-10-24 15:32:33,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 178 transitions, 435 flow [2024-10-24 15:32:33,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:33,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:33,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 593 transitions. [2024-10-24 15:32:33,720 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8984848484848484 [2024-10-24 15:32:33,720 INFO L175 Difference]: Start difference. First operand has 175 places, 177 transitions, 394 flow. Second operand 3 states and 593 transitions. [2024-10-24 15:32:33,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 178 transitions, 435 flow [2024-10-24 15:32:33,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 178 transitions, 432 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:32:33,726 INFO L231 Difference]: Finished difference. Result has 175 places, 177 transitions, 401 flow [2024-10-24 15:32:33,726 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=401, PETRI_PLACES=175, PETRI_TRANSITIONS=177} [2024-10-24 15:32:33,727 INFO L277 CegarLoopForPetriNet]: 199 programPoint places, -24 predicate places. [2024-10-24 15:32:33,727 INFO L471 AbstractCegarLoop]: Abstraction has has 175 places, 177 transitions, 401 flow [2024-10-24 15:32:33,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:33,727 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:33,728 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] [2024-10-24 15:32:33,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 15:32:33,728 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-24 15:32:33,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:33,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1742335004, now seen corresponding path program 1 times [2024-10-24 15:32:33,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:33,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657689714] [2024-10-24 15:32:33,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:33,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:33,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:33,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:33,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657689714] [2024-10-24 15:32:33,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657689714] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:33,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:33,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:33,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789972319] [2024-10-24 15:32:33,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:33,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:33,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:33,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:33,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:33,804 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 220 [2024-10-24 15:32:33,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 177 transitions, 401 flow. Second operand has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:33,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:33,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 220 [2024-10-24 15:32:33,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:33,888 INFO L124 PetriNetUnfolderBase]: 73/484 cut-off events. [2024-10-24 15:32:33,888 INFO L125 PetriNetUnfolderBase]: For 59/75 co-relation queries the response was YES. [2024-10-24 15:32:33,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 717 conditions, 484 events. 73/484 cut-off events. For 59/75 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1933 event pairs, 6 based on Foata normal form. 2/418 useless extension candidates. Maximal degree in co-relation 378. Up to 80 conditions per place. [2024-10-24 15:32:33,892 INFO L140 encePairwiseOnDemand]: 216/220 looper letters, 20 selfloop transitions, 2 changer transitions 0/180 dead transitions. [2024-10-24 15:32:33,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 180 transitions, 460 flow [2024-10-24 15:32:33,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:33,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:33,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 591 transitions. [2024-10-24 15:32:33,895 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8954545454545455 [2024-10-24 15:32:33,895 INFO L175 Difference]: Start difference. First operand has 175 places, 177 transitions, 401 flow. Second operand 3 states and 591 transitions. [2024-10-24 15:32:33,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 180 transitions, 460 flow [2024-10-24 15:32:33,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 180 transitions, 460 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:32:33,900 INFO L231 Difference]: Finished difference. Result has 175 places, 175 transitions, 401 flow [2024-10-24 15:32:33,901 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=401, PETRI_PLACES=175, PETRI_TRANSITIONS=175} [2024-10-24 15:32:33,901 INFO L277 CegarLoopForPetriNet]: 199 programPoint places, -24 predicate places. [2024-10-24 15:32:33,902 INFO L471 AbstractCegarLoop]: Abstraction has has 175 places, 175 transitions, 401 flow [2024-10-24 15:32:33,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:33,903 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:33,903 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] [2024-10-24 15:32:33,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 15:32:33,904 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-24 15:32:33,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:33,905 INFO L85 PathProgramCache]: Analyzing trace with hash 24780182, now seen corresponding path program 1 times [2024-10-24 15:32:33,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:33,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602641999] [2024-10-24 15:32:33,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:33,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:33,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:33,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:33,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602641999] [2024-10-24 15:32:33,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602641999] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:33,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:33,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:33,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491141582] [2024-10-24 15:32:33,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:33,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:33,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:33,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:33,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:33,979 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 220 [2024-10-24 15:32:33,980 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 175 transitions, 401 flow. Second operand has 3 states, 3 states have (on average 192.66666666666666) internal successors, (578), 3 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:33,980 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:33,980 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 220 [2024-10-24 15:32:33,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:34,048 INFO L124 PetriNetUnfolderBase]: 57/409 cut-off events. [2024-10-24 15:32:34,049 INFO L125 PetriNetUnfolderBase]: For 56/58 co-relation queries the response was YES. [2024-10-24 15:32:34,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 599 conditions, 409 events. 57/409 cut-off events. For 56/58 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1448 event pairs, 4 based on Foata normal form. 0/367 useless extension candidates. Maximal degree in co-relation 317. Up to 57 conditions per place. [2024-10-24 15:32:34,052 INFO L140 encePairwiseOnDemand]: 216/220 looper letters, 20 selfloop transitions, 2 changer transitions 0/178 dead transitions. [2024-10-24 15:32:34,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 178 transitions, 460 flow [2024-10-24 15:32:34,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:34,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 591 transitions. [2024-10-24 15:32:34,054 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8954545454545455 [2024-10-24 15:32:34,054 INFO L175 Difference]: Start difference. First operand has 175 places, 175 transitions, 401 flow. Second operand 3 states and 591 transitions. [2024-10-24 15:32:34,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 178 transitions, 460 flow [2024-10-24 15:32:34,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 178 transitions, 456 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:34,058 INFO L231 Difference]: Finished difference. Result has 173 places, 173 transitions, 397 flow [2024-10-24 15:32:34,058 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=393, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=397, PETRI_PLACES=173, PETRI_TRANSITIONS=173} [2024-10-24 15:32:34,059 INFO L277 CegarLoopForPetriNet]: 199 programPoint places, -26 predicate places. [2024-10-24 15:32:34,059 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 173 transitions, 397 flow [2024-10-24 15:32:34,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 192.66666666666666) internal successors, (578), 3 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:34,059 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:34,060 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] [2024-10-24 15:32:34,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 15:32:34,060 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-24 15:32:34,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:34,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1826126969, now seen corresponding path program 1 times [2024-10-24 15:32:34,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:34,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343470130] [2024-10-24 15:32:34,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:34,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:34,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:34,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:34,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343470130] [2024-10-24 15:32:34,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343470130] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:34,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:34,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:34,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232704047] [2024-10-24 15:32:34,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:34,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:34,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:34,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:34,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:34,129 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 220 [2024-10-24 15:32:34,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 173 transitions, 397 flow. Second operand has 3 states, 3 states have (on average 193.66666666666666) internal successors, (581), 3 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:34,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:34,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 220 [2024-10-24 15:32:34,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:34,197 INFO L124 PetriNetUnfolderBase]: 68/533 cut-off events. [2024-10-24 15:32:34,197 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-10-24 15:32:34,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 776 conditions, 533 events. 68/533 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2413 event pairs, 18 based on Foata normal form. 0/476 useless extension candidates. Maximal degree in co-relation 499. Up to 91 conditions per place. [2024-10-24 15:32:34,201 INFO L140 encePairwiseOnDemand]: 217/220 looper letters, 19 selfloop transitions, 2 changer transitions 0/175 dead transitions. [2024-10-24 15:32:34,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 175 transitions, 448 flow [2024-10-24 15:32:34,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:34,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:34,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 591 transitions. [2024-10-24 15:32:34,203 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8954545454545455 [2024-10-24 15:32:34,203 INFO L175 Difference]: Start difference. First operand has 173 places, 173 transitions, 397 flow. Second operand 3 states and 591 transitions. [2024-10-24 15:32:34,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 175 transitions, 448 flow [2024-10-24 15:32:34,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 175 transitions, 444 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:34,207 INFO L231 Difference]: Finished difference. Result has 172 places, 172 transitions, 395 flow [2024-10-24 15:32:34,208 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=395, PETRI_PLACES=172, PETRI_TRANSITIONS=172} [2024-10-24 15:32:34,209 INFO L277 CegarLoopForPetriNet]: 199 programPoint places, -27 predicate places. [2024-10-24 15:32:34,209 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 172 transitions, 395 flow [2024-10-24 15:32:34,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.66666666666666) internal successors, (581), 3 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:34,209 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:34,209 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] [2024-10-24 15:32:34,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 15:32:34,210 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-24 15:32:34,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:34,210 INFO L85 PathProgramCache]: Analyzing trace with hash -269180799, now seen corresponding path program 1 times [2024-10-24 15:32:34,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:34,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462281477] [2024-10-24 15:32:34,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:34,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:34,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:34,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462281477] [2024-10-24 15:32:34,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462281477] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:34,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:34,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:34,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028808322] [2024-10-24 15:32:34,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:34,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:34,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:34,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:34,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:34,283 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 220 [2024-10-24 15:32:34,284 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 172 transitions, 395 flow. Second operand has 3 states, 3 states have (on average 194.0) internal successors, (582), 3 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:34,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:34,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 220 [2024-10-24 15:32:34,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:34,339 INFO L124 PetriNetUnfolderBase]: 58/422 cut-off events. [2024-10-24 15:32:34,339 INFO L125 PetriNetUnfolderBase]: For 56/58 co-relation queries the response was YES. [2024-10-24 15:32:34,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 615 conditions, 422 events. 58/422 cut-off events. For 56/58 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1514 event pairs, 10 based on Foata normal form. 0/384 useless extension candidates. Maximal degree in co-relation 481. Up to 80 conditions per place. [2024-10-24 15:32:34,342 INFO L140 encePairwiseOnDemand]: 217/220 looper letters, 19 selfloop transitions, 2 changer transitions 0/174 dead transitions. [2024-10-24 15:32:34,343 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 174 transitions, 446 flow [2024-10-24 15:32:34,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:34,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:34,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 591 transitions. [2024-10-24 15:32:34,345 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8954545454545455 [2024-10-24 15:32:34,345 INFO L175 Difference]: Start difference. First operand has 172 places, 172 transitions, 395 flow. Second operand 3 states and 591 transitions. [2024-10-24 15:32:34,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 174 transitions, 446 flow [2024-10-24 15:32:34,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 174 transitions, 442 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:34,348 INFO L231 Difference]: Finished difference. Result has 171 places, 171 transitions, 393 flow [2024-10-24 15:32:34,349 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=393, PETRI_PLACES=171, PETRI_TRANSITIONS=171} [2024-10-24 15:32:34,349 INFO L277 CegarLoopForPetriNet]: 199 programPoint places, -28 predicate places. [2024-10-24 15:32:34,350 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 171 transitions, 393 flow [2024-10-24 15:32:34,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.0) internal successors, (582), 3 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:34,350 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:34,351 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] [2024-10-24 15:32:34,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 15:32:34,351 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-24 15:32:34,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:34,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1307615764, now seen corresponding path program 1 times [2024-10-24 15:32:34,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:34,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263572042] [2024-10-24 15:32:34,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:34,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:34,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:34,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:34,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263572042] [2024-10-24 15:32:34,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263572042] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:34,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:34,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:34,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435985260] [2024-10-24 15:32:34,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:34,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:34,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:34,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:34,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:34,416 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 220 [2024-10-24 15:32:34,417 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 171 transitions, 393 flow. Second operand has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:34,417 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:34,417 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 220 [2024-10-24 15:32:34,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:34,503 INFO L124 PetriNetUnfolderBase]: 78/551 cut-off events. [2024-10-24 15:32:34,503 INFO L125 PetriNetUnfolderBase]: For 70/76 co-relation queries the response was YES. [2024-10-24 15:32:34,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 825 conditions, 551 events. 78/551 cut-off events. For 70/76 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2174 event pairs, 18 based on Foata normal form. 0/498 useless extension candidates. Maximal degree in co-relation 627. Up to 101 conditions per place. [2024-10-24 15:32:34,507 INFO L140 encePairwiseOnDemand]: 217/220 looper letters, 21 selfloop transitions, 2 changer transitions 0/173 dead transitions. [2024-10-24 15:32:34,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 173 transitions, 448 flow [2024-10-24 15:32:34,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:34,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:34,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 589 transitions. [2024-10-24 15:32:34,509 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8924242424242425 [2024-10-24 15:32:34,509 INFO L175 Difference]: Start difference. First operand has 171 places, 171 transitions, 393 flow. Second operand 3 states and 589 transitions. [2024-10-24 15:32:34,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 173 transitions, 448 flow [2024-10-24 15:32:34,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 173 transitions, 444 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:34,513 INFO L231 Difference]: Finished difference. Result has 170 places, 170 transitions, 391 flow [2024-10-24 15:32:34,513 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=391, PETRI_PLACES=170, PETRI_TRANSITIONS=170} [2024-10-24 15:32:34,514 INFO L277 CegarLoopForPetriNet]: 199 programPoint places, -29 predicate places. [2024-10-24 15:32:34,514 INFO L471 AbstractCegarLoop]: Abstraction has has 170 places, 170 transitions, 391 flow [2024-10-24 15:32:34,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:34,515 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:34,515 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] [2024-10-24 15:32:34,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 15:32:34,515 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-24 15:32:34,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:34,516 INFO L85 PathProgramCache]: Analyzing trace with hash -635050394, now seen corresponding path program 1 times [2024-10-24 15:32:34,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:34,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033911805] [2024-10-24 15:32:34,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:34,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:34,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:34,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:34,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033911805] [2024-10-24 15:32:34,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033911805] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:34,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:34,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:34,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537263697] [2024-10-24 15:32:34,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:34,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:34,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:34,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:34,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:34,588 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 220 [2024-10-24 15:32:34,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 170 transitions, 391 flow. Second operand has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:34,589 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:34,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 220 [2024-10-24 15:32:34,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:34,645 INFO L124 PetriNetUnfolderBase]: 63/432 cut-off events. [2024-10-24 15:32:34,646 INFO L125 PetriNetUnfolderBase]: For 70/72 co-relation queries the response was YES. [2024-10-24 15:32:34,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 432 events. 63/432 cut-off events. For 70/72 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1561 event pairs, 10 based on Foata normal form. 0/393 useless extension candidates. Maximal degree in co-relation 511. Up to 87 conditions per place. [2024-10-24 15:32:34,648 INFO L140 encePairwiseOnDemand]: 217/220 looper letters, 0 selfloop transitions, 0 changer transitions 172/172 dead transitions. [2024-10-24 15:32:34,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 172 transitions, 446 flow [2024-10-24 15:32:34,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:34,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:34,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 589 transitions. [2024-10-24 15:32:34,650 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8924242424242425 [2024-10-24 15:32:34,651 INFO L175 Difference]: Start difference. First operand has 170 places, 170 transitions, 391 flow. Second operand 3 states and 589 transitions. [2024-10-24 15:32:34,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 172 transitions, 446 flow [2024-10-24 15:32:34,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 172 transitions, 442 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:34,653 INFO L231 Difference]: Finished difference. Result has 169 places, 0 transitions, 0 flow [2024-10-24 15:32:34,654 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=169, PETRI_TRANSITIONS=0} [2024-10-24 15:32:34,654 INFO L277 CegarLoopForPetriNet]: 199 programPoint places, -30 predicate places. [2024-10-24 15:32:34,654 INFO L471 AbstractCegarLoop]: Abstraction has has 169 places, 0 transitions, 0 flow [2024-10-24 15:32:34,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:34,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (57 of 58 remaining) [2024-10-24 15:32:34,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (56 of 58 remaining) [2024-10-24 15:32:34,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 58 remaining) [2024-10-24 15:32:34,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (54 of 58 remaining) [2024-10-24 15:32:34,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (53 of 58 remaining) [2024-10-24 15:32:34,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (52 of 58 remaining) [2024-10-24 15:32:34,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (51 of 58 remaining) [2024-10-24 15:32:34,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (50 of 58 remaining) [2024-10-24 15:32:34,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (49 of 58 remaining) [2024-10-24 15:32:34,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (48 of 58 remaining) [2024-10-24 15:32:34,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (47 of 58 remaining) [2024-10-24 15:32:34,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (46 of 58 remaining) [2024-10-24 15:32:34,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (45 of 58 remaining) [2024-10-24 15:32:34,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (44 of 58 remaining) [2024-10-24 15:32:34,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (43 of 58 remaining) [2024-10-24 15:32:34,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (42 of 58 remaining) [2024-10-24 15:32:34,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (41 of 58 remaining) [2024-10-24 15:32:34,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (40 of 58 remaining) [2024-10-24 15:32:34,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (39 of 58 remaining) [2024-10-24 15:32:34,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (38 of 58 remaining) [2024-10-24 15:32:34,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (37 of 58 remaining) [2024-10-24 15:32:34,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (36 of 58 remaining) [2024-10-24 15:32:34,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 58 remaining) [2024-10-24 15:32:34,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 58 remaining) [2024-10-24 15:32:34,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 58 remaining) [2024-10-24 15:32:34,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 58 remaining) [2024-10-24 15:32:34,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 58 remaining) [2024-10-24 15:32:34,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 58 remaining) [2024-10-24 15:32:34,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 58 remaining) [2024-10-24 15:32:34,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 58 remaining) [2024-10-24 15:32:34,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 58 remaining) [2024-10-24 15:32:34,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 58 remaining) [2024-10-24 15:32:34,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 58 remaining) [2024-10-24 15:32:34,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 58 remaining) [2024-10-24 15:32:34,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 58 remaining) [2024-10-24 15:32:34,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 58 remaining) [2024-10-24 15:32:34,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 58 remaining) [2024-10-24 15:32:34,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 58 remaining) [2024-10-24 15:32:34,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 58 remaining) [2024-10-24 15:32:34,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 58 remaining) [2024-10-24 15:32:34,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 58 remaining) [2024-10-24 15:32:34,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 58 remaining) [2024-10-24 15:32:34,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 58 remaining) [2024-10-24 15:32:34,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (14 of 58 remaining) [2024-10-24 15:32:34,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 58 remaining) [2024-10-24 15:32:34,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (12 of 58 remaining) [2024-10-24 15:32:34,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (11 of 58 remaining) [2024-10-24 15:32:34,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 58 remaining) [2024-10-24 15:32:34,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 58 remaining) [2024-10-24 15:32:34,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 58 remaining) [2024-10-24 15:32:34,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 58 remaining) [2024-10-24 15:32:34,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 58 remaining) [2024-10-24 15:32:34,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 58 remaining) [2024-10-24 15:32:34,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 58 remaining) [2024-10-24 15:32:34,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (3 of 58 remaining) [2024-10-24 15:32:34,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 58 remaining) [2024-10-24 15:32:34,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (1 of 58 remaining) [2024-10-24 15:32:34,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (0 of 58 remaining) [2024-10-24 15:32:34,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 15:32:34,668 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:32:34,674 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:32:34,675 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:32:34,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:32:34 BasicIcfg [2024-10-24 15:32:34,680 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:32:34,681 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:32:34,681 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:32:34,681 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:32:34,681 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:32:31" (3/4) ... [2024-10-24 15:32:34,683 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:32:34,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-24 15:32:34,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-24 15:32:34,691 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-24 15:32:34,692 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 15:32:34,692 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:32:34,692 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:32:34,785 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:32:34,786 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:32:34,786 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:32:34,786 INFO L158 Benchmark]: Toolchain (without parser) took 4456.83ms. Allocated memory was 199.2MB in the beginning and 247.5MB in the end (delta: 48.2MB). Free memory was 144.8MB in the beginning and 143.9MB in the end (delta: 876.6kB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2024-10-24 15:32:34,787 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 134.2MB. Free memory was 98.0MB in the beginning and 98.0MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:32:34,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.66ms. Allocated memory is still 199.2MB. Free memory was 144.4MB in the beginning and 131.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 15:32:34,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.04ms. Allocated memory is still 199.2MB. Free memory was 131.3MB in the beginning and 129.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:32:34,789 INFO L158 Benchmark]: Boogie Preprocessor took 27.95ms. Allocated memory is still 199.2MB. Free memory was 129.2MB in the beginning and 128.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:32:34,790 INFO L158 Benchmark]: RCFGBuilder took 699.97ms. Allocated memory is still 199.2MB. Free memory was 128.0MB in the beginning and 158.9MB in the end (delta: -30.9MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-10-24 15:32:34,790 INFO L158 Benchmark]: TraceAbstraction took 3268.68ms. Allocated memory was 199.2MB in the beginning and 247.5MB in the end (delta: 48.2MB). Free memory was 158.9MB in the beginning and 149.2MB in the end (delta: 9.7MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2024-10-24 15:32:34,790 INFO L158 Benchmark]: Witness Printer took 105.15ms. Allocated memory is still 247.5MB. Free memory was 149.2MB in the beginning and 143.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:32:34,793 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 134.2MB. Free memory was 98.0MB in the beginning and 98.0MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.66ms. Allocated memory is still 199.2MB. Free memory was 144.4MB in the beginning and 131.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.04ms. Allocated memory is still 199.2MB. Free memory was 131.3MB in the beginning and 129.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.95ms. Allocated memory is still 199.2MB. Free memory was 129.2MB in the beginning and 128.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 699.97ms. Allocated memory is still 199.2MB. Free memory was 128.0MB in the beginning and 158.9MB in the end (delta: -30.9MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3268.68ms. Allocated memory was 199.2MB in the beginning and 247.5MB in the end (delta: 48.2MB). Free memory was 158.9MB in the beginning and 149.2MB in the end (delta: 9.7MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. * Witness Printer took 105.15ms. Allocated memory is still 247.5MB. Free memory was 149.2MB in the beginning and 143.9MB 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: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: 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: 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: 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: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: 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: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: 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: 69]: 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: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: 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: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 295 locations, 58 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: 3.1s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 449 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 157 mSDsluCounter, 105 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 576 IncrementalHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 105 mSDtfsCounter, 576 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=414occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1109 NumberOfCodeBlocks, 1109 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1093 ConstructedInterpolants, 0 QuantifiedInterpolants, 1125 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:32:34,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE