./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-bakery-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 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-bakery-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 1cae81f1fa2e32e73e0569957bc583bbf3478ffc71be87871acb9920c44bcfd4 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:13:15,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:13:15,210 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:13:15,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:13:15,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:13:15,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:13:15,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:13:15,247 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:13:15,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:13:15,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:13:15,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:13:15,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:13:15,250 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:13:15,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:13:15,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:13:15,253 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:13:15,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:13:15,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:13:15,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:13:15,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:13:15,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:13:15,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:13:15,256 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:13:15,256 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:13:15,256 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:13:15,256 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:13:15,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:13:15,257 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:13:15,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:13:15,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:13:15,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:13:15,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:13:15,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:13:15,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:13:15,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:13:15,259 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:13:15,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:13:15,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:13:15,260 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:13:15,260 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:13:15,260 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:13:15,261 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cae81f1fa2e32e73e0569957bc583bbf3478ffc71be87871acb9920c44bcfd4 [2024-10-14 17:13:15,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:13:15,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:13:15,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:13:15,540 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:13:15,541 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:13:15,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c [2024-10-14 17:13:16,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:13:17,175 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:13:17,175 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c [2024-10-14 17:13:17,182 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/becdf76d0/9070b3e2b7574c77aa2ac355e57934ea/FLAG28d8aa68b [2024-10-14 17:13:17,197 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/becdf76d0/9070b3e2b7574c77aa2ac355e57934ea [2024-10-14 17:13:17,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:13:17,201 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:13:17,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:13:17,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:13:17,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:13:17,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:13:17" (1/1) ... [2024-10-14 17:13:17,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eebf8d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:17, skipping insertion in model container [2024-10-14 17:13:17,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:13:17" (1/1) ... [2024-10-14 17:13:17,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:13:17,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:13:17,445 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:13:17,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:13:17,498 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:13:17,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:17 WrapperNode [2024-10-14 17:13:17,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:13:17,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:13:17,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:13:17,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:13:17,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:17" (1/1) ... [2024-10-14 17:13:17,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:17" (1/1) ... [2024-10-14 17:13:17,544 INFO L138 Inliner]: procedures = 20, calls = 51, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 336 [2024-10-14 17:13:17,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:13:17,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:13:17,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:13:17,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:13:17,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:17" (1/1) ... [2024-10-14 17:13:17,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:17" (1/1) ... [2024-10-14 17:13:17,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:17" (1/1) ... [2024-10-14 17:13:17,565 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:17" (1/1) ... [2024-10-14 17:13:17,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:17" (1/1) ... [2024-10-14 17:13:17,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:17" (1/1) ... [2024-10-14 17:13:17,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:17" (1/1) ... [2024-10-14 17:13:17,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:17" (1/1) ... [2024-10-14 17:13:17,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:13:17,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:13:17,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:13:17,591 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:13:17,592 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:17" (1/1) ... [2024-10-14 17:13:17,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:13:17,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:13:17,625 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) [2024-10-14 17:13:17,632 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 [2024-10-14 17:13:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:13:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-14 17:13:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-14 17:13:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-14 17:13:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-14 17:13:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 17:13:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 17:13:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 17:13:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:13:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:13:17,682 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 17:13:17,802 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:13:17,805 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:13:18,395 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:13:18,399 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:13:18,655 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:13:18,656 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 17:13:18,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:13:18 BoogieIcfgContainer [2024-10-14 17:13:18,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:13:18,662 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:13:18,662 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:13:18,666 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:13:18,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:13:17" (1/3) ... [2024-10-14 17:13:18,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1ce11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:13:18, skipping insertion in model container [2024-10-14 17:13:18,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:17" (2/3) ... [2024-10-14 17:13:18,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1ce11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:13:18, skipping insertion in model container [2024-10-14 17:13:18,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:13:18" (3/3) ... [2024-10-14 17:13:18,670 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bakery-2.wvr.c [2024-10-14 17:13:18,689 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:13:18,690 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 53 error locations. [2024-10-14 17:13:18,690 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:13:18,773 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-14 17:13:18,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 223 places, 222 transitions, 458 flow [2024-10-14 17:13:18,904 INFO L124 PetriNetUnfolderBase]: 6/220 cut-off events. [2024-10-14 17:13:18,906 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-14 17:13:18,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 220 events. 6/220 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 269 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 166. Up to 2 conditions per place. [2024-10-14 17:13:18,914 INFO L82 GeneralOperation]: Start removeDead. Operand has 223 places, 222 transitions, 458 flow [2024-10-14 17:13:18,924 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 205 places, 203 transitions, 418 flow [2024-10-14 17:13:18,938 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:13:18,945 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;@4f49dab7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:13:18,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 95 error locations. [2024-10-14 17:13:18,950 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:13:18,951 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-10-14 17:13:18,951 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:13:18,951 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:18,952 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] [2024-10-14 17:13:18,954 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 91 more)] === [2024-10-14 17:13:18,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:18,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1723262795, now seen corresponding path program 1 times [2024-10-14 17:13:18,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:18,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376415864] [2024-10-14 17:13:18,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:18,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:19,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:19,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:19,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376415864] [2024-10-14 17:13:19,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376415864] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:19,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:19,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:19,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071302823] [2024-10-14 17:13:19,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:19,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:19,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:19,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:19,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:19,218 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 222 [2024-10-14 17:13:19,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 203 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 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) [2024-10-14 17:13:19,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:19,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 222 [2024-10-14 17:13:19,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:19,384 INFO L124 PetriNetUnfolderBase]: 103/387 cut-off events. [2024-10-14 17:13:19,384 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2024-10-14 17:13:19,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 387 events. 103/387 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1112 event pairs, 99 based on Foata normal form. 1/367 useless extension candidates. Maximal degree in co-relation 457. Up to 225 conditions per place. [2024-10-14 17:13:19,391 INFO L140 encePairwiseOnDemand]: 178/222 looper letters, 26 selfloop transitions, 2 changer transitions 1/161 dead transitions. [2024-10-14 17:13:19,392 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 161 transitions, 390 flow [2024-10-14 17:13:19,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:19,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:19,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 517 transitions. [2024-10-14 17:13:19,410 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7762762762762763 [2024-10-14 17:13:19,412 INFO L175 Difference]: Start difference. First operand has 205 places, 203 transitions, 418 flow. Second operand 3 states and 517 transitions. [2024-10-14 17:13:19,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 161 transitions, 390 flow [2024-10-14 17:13:19,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 161 transitions, 382 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-14 17:13:19,422 INFO L231 Difference]: Finished difference. Result has 162 places, 160 transitions, 328 flow [2024-10-14 17:13:19,424 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=162, PETRI_TRANSITIONS=160} [2024-10-14 17:13:19,430 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, -43 predicate places. [2024-10-14 17:13:19,431 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 160 transitions, 328 flow [2024-10-14 17:13:19,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 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) [2024-10-14 17:13:19,431 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:19,431 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] [2024-10-14 17:13:19,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:13:19,432 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 91 more)] === [2024-10-14 17:13:19,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:19,432 INFO L85 PathProgramCache]: Analyzing trace with hash -617438231, now seen corresponding path program 1 times [2024-10-14 17:13:19,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:19,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512413762] [2024-10-14 17:13:19,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:19,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:19,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:19,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:19,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512413762] [2024-10-14 17:13:19,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512413762] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:19,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:19,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:19,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746532502] [2024-10-14 17:13:19,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:19,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:19,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:19,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:19,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:19,536 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 222 [2024-10-14 17:13:19,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 160 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 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) [2024-10-14 17:13:19,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:19,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 222 [2024-10-14 17:13:19,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:19,657 INFO L124 PetriNetUnfolderBase]: 103/385 cut-off events. [2024-10-14 17:13:19,658 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-10-14 17:13:19,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 627 conditions, 385 events. 103/385 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1106 event pairs, 99 based on Foata normal form. 0/366 useless extension candidates. Maximal degree in co-relation 596. Up to 225 conditions per place. [2024-10-14 17:13:19,662 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 26 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2024-10-14 17:13:19,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 159 transitions, 382 flow [2024-10-14 17:13:19,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:19,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:19,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2024-10-14 17:13:19,665 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7147147147147147 [2024-10-14 17:13:19,665 INFO L175 Difference]: Start difference. First operand has 162 places, 160 transitions, 328 flow. Second operand 3 states and 476 transitions. [2024-10-14 17:13:19,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 159 transitions, 382 flow [2024-10-14 17:13:19,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 159 transitions, 378 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:13:19,673 INFO L231 Difference]: Finished difference. Result has 160 places, 159 transitions, 326 flow [2024-10-14 17:13:19,673 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=160, PETRI_TRANSITIONS=159} [2024-10-14 17:13:19,674 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, -45 predicate places. [2024-10-14 17:13:19,674 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 159 transitions, 326 flow [2024-10-14 17:13:19,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 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) [2024-10-14 17:13:19,675 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:19,675 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:13:19,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:13:19,676 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 91 more)] === [2024-10-14 17:13:19,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:19,677 INFO L85 PathProgramCache]: Analyzing trace with hash -441311737, now seen corresponding path program 1 times [2024-10-14 17:13:19,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:19,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503971854] [2024-10-14 17:13:19,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:19,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:19,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:19,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:19,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503971854] [2024-10-14 17:13:19,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503971854] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:19,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:19,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:19,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53102232] [2024-10-14 17:13:19,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:19,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:19,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:19,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:19,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:19,775 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 222 [2024-10-14 17:13:19,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 159 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 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) [2024-10-14 17:13:19,776 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:19,776 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 222 [2024-10-14 17:13:19,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:19,871 INFO L124 PetriNetUnfolderBase]: 103/384 cut-off events. [2024-10-14 17:13:19,871 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-10-14 17:13:19,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 384 events. 103/384 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1107 event pairs, 99 based on Foata normal form. 0/366 useless extension candidates. Maximal degree in co-relation 587. Up to 225 conditions per place. [2024-10-14 17:13:19,874 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 26 selfloop transitions, 2 changer transitions 0/158 dead transitions. [2024-10-14 17:13:19,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 158 transitions, 380 flow [2024-10-14 17:13:19,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:19,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:19,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2024-10-14 17:13:19,876 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7147147147147147 [2024-10-14 17:13:19,876 INFO L175 Difference]: Start difference. First operand has 160 places, 159 transitions, 326 flow. Second operand 3 states and 476 transitions. [2024-10-14 17:13:19,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 158 transitions, 380 flow [2024-10-14 17:13:19,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 158 transitions, 376 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:13:19,879 INFO L231 Difference]: Finished difference. Result has 159 places, 158 transitions, 324 flow [2024-10-14 17:13:19,880 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=159, PETRI_TRANSITIONS=158} [2024-10-14 17:13:19,881 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, -46 predicate places. [2024-10-14 17:13:19,881 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 158 transitions, 324 flow [2024-10-14 17:13:19,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 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) [2024-10-14 17:13:19,882 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:19,882 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] [2024-10-14 17:13:19,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:13:19,882 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 91 more)] === [2024-10-14 17:13:19,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:19,883 INFO L85 PathProgramCache]: Analyzing trace with hash -512676569, now seen corresponding path program 1 times [2024-10-14 17:13:19,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:19,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461285355] [2024-10-14 17:13:19,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:19,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:19,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:19,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:19,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461285355] [2024-10-14 17:13:19,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461285355] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:19,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:19,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:19,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464474377] [2024-10-14 17:13:19,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:19,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:19,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:19,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:19,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:19,980 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 222 [2024-10-14 17:13:19,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 158 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 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) [2024-10-14 17:13:19,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:19,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 222 [2024-10-14 17:13:19,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:20,076 INFO L124 PetriNetUnfolderBase]: 103/383 cut-off events. [2024-10-14 17:13:20,077 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-10-14 17:13:20,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 625 conditions, 383 events. 103/383 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1107 event pairs, 99 based on Foata normal form. 0/366 useless extension candidates. Maximal degree in co-relation 578. Up to 225 conditions per place. [2024-10-14 17:13:20,081 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 26 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2024-10-14 17:13:20,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 157 transitions, 378 flow [2024-10-14 17:13:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:20,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:20,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2024-10-14 17:13:20,084 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7147147147147147 [2024-10-14 17:13:20,084 INFO L175 Difference]: Start difference. First operand has 159 places, 158 transitions, 324 flow. Second operand 3 states and 476 transitions. [2024-10-14 17:13:20,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 157 transitions, 378 flow [2024-10-14 17:13:20,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 157 transitions, 374 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:13:20,089 INFO L231 Difference]: Finished difference. Result has 158 places, 157 transitions, 322 flow [2024-10-14 17:13:20,091 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=158, PETRI_TRANSITIONS=157} [2024-10-14 17:13:20,092 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, -47 predicate places. [2024-10-14 17:13:20,092 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 157 transitions, 322 flow [2024-10-14 17:13:20,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 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) [2024-10-14 17:13:20,093 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:20,093 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:13:20,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 17:13:20,093 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 91 more)] === [2024-10-14 17:13:20,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:20,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1835182307, now seen corresponding path program 1 times [2024-10-14 17:13:20,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:20,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23923496] [2024-10-14 17:13:20,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:20,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:20,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:20,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:20,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23923496] [2024-10-14 17:13:20,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23923496] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:20,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:20,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:20,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713606221] [2024-10-14 17:13:20,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:20,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:20,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:20,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:20,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:20,186 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 222 [2024-10-14 17:13:20,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 157 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 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) [2024-10-14 17:13:20,187 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:20,187 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 222 [2024-10-14 17:13:20,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:20,276 INFO L124 PetriNetUnfolderBase]: 103/382 cut-off events. [2024-10-14 17:13:20,276 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-10-14 17:13:20,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 625 conditions, 382 events. 103/382 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1119 event pairs, 99 based on Foata normal form. 0/366 useless extension candidates. Maximal degree in co-relation 570. Up to 226 conditions per place. [2024-10-14 17:13:20,279 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 27 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2024-10-14 17:13:20,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 156 transitions, 378 flow [2024-10-14 17:13:20,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:20,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:20,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-10-14 17:13:20,281 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7117117117117117 [2024-10-14 17:13:20,282 INFO L175 Difference]: Start difference. First operand has 158 places, 157 transitions, 322 flow. Second operand 3 states and 474 transitions. [2024-10-14 17:13:20,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 156 transitions, 378 flow [2024-10-14 17:13:20,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 156 transitions, 374 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:13:20,285 INFO L231 Difference]: Finished difference. Result has 157 places, 156 transitions, 320 flow [2024-10-14 17:13:20,285 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=320, PETRI_PLACES=157, PETRI_TRANSITIONS=156} [2024-10-14 17:13:20,286 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, -48 predicate places. [2024-10-14 17:13:20,286 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 156 transitions, 320 flow [2024-10-14 17:13:20,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 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) [2024-10-14 17:13:20,287 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:20,287 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] [2024-10-14 17:13:20,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 17:13:20,288 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 91 more)] === [2024-10-14 17:13:20,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:20,288 INFO L85 PathProgramCache]: Analyzing trace with hash 382139341, now seen corresponding path program 1 times [2024-10-14 17:13:20,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:20,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480274604] [2024-10-14 17:13:20,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:20,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:20,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:20,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:20,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480274604] [2024-10-14 17:13:20,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480274604] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:20,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:20,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:20,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051646460] [2024-10-14 17:13:20,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:20,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:20,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:20,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:20,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:20,359 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 222 [2024-10-14 17:13:20,360 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 156 transitions, 320 flow. Second operand has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 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) [2024-10-14 17:13:20,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:20,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 222 [2024-10-14 17:13:20,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:20,446 INFO L124 PetriNetUnfolderBase]: 103/381 cut-off events. [2024-10-14 17:13:20,446 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-10-14 17:13:20,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 622 conditions, 381 events. 103/381 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1122 event pairs, 99 based on Foata normal form. 0/366 useless extension candidates. Maximal degree in co-relation 559. Up to 224 conditions per place. [2024-10-14 17:13:20,448 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 25 selfloop transitions, 2 changer transitions 0/155 dead transitions. [2024-10-14 17:13:20,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 155 transitions, 372 flow [2024-10-14 17:13:20,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:20,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:20,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 478 transitions. [2024-10-14 17:13:20,450 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7177177177177178 [2024-10-14 17:13:20,450 INFO L175 Difference]: Start difference. First operand has 157 places, 156 transitions, 320 flow. Second operand 3 states and 478 transitions. [2024-10-14 17:13:20,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 155 transitions, 372 flow [2024-10-14 17:13:20,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 155 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:13:20,453 INFO L231 Difference]: Finished difference. Result has 156 places, 155 transitions, 318 flow [2024-10-14 17:13:20,454 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=156, PETRI_TRANSITIONS=155} [2024-10-14 17:13:20,454 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, -49 predicate places. [2024-10-14 17:13:20,454 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 155 transitions, 318 flow [2024-10-14 17:13:20,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 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) [2024-10-14 17:13:20,455 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:20,455 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:13:20,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 17:13:20,456 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 91 more)] === [2024-10-14 17:13:20,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:20,456 INFO L85 PathProgramCache]: Analyzing trace with hash 948824800, now seen corresponding path program 1 times [2024-10-14 17:13:20,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:20,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726765416] [2024-10-14 17:13:20,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:20,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:20,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:20,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:20,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726765416] [2024-10-14 17:13:20,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726765416] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:20,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:20,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:20,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762781349] [2024-10-14 17:13:20,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:20,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:20,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:20,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:20,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:20,511 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 222 [2024-10-14 17:13:20,512 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 155 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 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) [2024-10-14 17:13:20,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:20,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 222 [2024-10-14 17:13:20,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:20,589 INFO L124 PetriNetUnfolderBase]: 103/380 cut-off events. [2024-10-14 17:13:20,589 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-10-14 17:13:20,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 621 conditions, 380 events. 103/380 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1121 event pairs, 99 based on Foata normal form. 0/366 useless extension candidates. Maximal degree in co-relation 550. Up to 224 conditions per place. [2024-10-14 17:13:20,591 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 25 selfloop transitions, 2 changer transitions 0/154 dead transitions. [2024-10-14 17:13:20,591 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 154 transitions, 370 flow [2024-10-14 17:13:20,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:20,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:20,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 478 transitions. [2024-10-14 17:13:20,593 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7177177177177178 [2024-10-14 17:13:20,593 INFO L175 Difference]: Start difference. First operand has 156 places, 155 transitions, 318 flow. Second operand 3 states and 478 transitions. [2024-10-14 17:13:20,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 154 transitions, 370 flow [2024-10-14 17:13:20,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 154 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:13:20,596 INFO L231 Difference]: Finished difference. Result has 155 places, 154 transitions, 316 flow [2024-10-14 17:13:20,596 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=155, PETRI_TRANSITIONS=154} [2024-10-14 17:13:20,597 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, -50 predicate places. [2024-10-14 17:13:20,597 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 154 transitions, 316 flow [2024-10-14 17:13:20,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 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) [2024-10-14 17:13:20,598 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:20,598 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:13:20,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 17:13:20,598 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 91 more)] === [2024-10-14 17:13:20,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:20,599 INFO L85 PathProgramCache]: Analyzing trace with hash 424820609, now seen corresponding path program 1 times [2024-10-14 17:13:20,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:20,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747124112] [2024-10-14 17:13:20,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:20,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:20,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:20,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:20,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747124112] [2024-10-14 17:13:20,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747124112] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:20,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:20,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:20,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944581151] [2024-10-14 17:13:20,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:20,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:20,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:20,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:20,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:20,677 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 222 [2024-10-14 17:13:20,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 154 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 151.0) internal successors, (453), 3 states have internal predecessors, (453), 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) [2024-10-14 17:13:20,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:20,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 222 [2024-10-14 17:13:20,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:20,778 INFO L124 PetriNetUnfolderBase]: 106/394 cut-off events. [2024-10-14 17:13:20,778 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-10-14 17:13:20,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 642 conditions, 394 events. 106/394 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1210 event pairs, 60 based on Foata normal form. 1/383 useless extension candidates. Maximal degree in co-relation 563. Up to 139 conditions per place. [2024-10-14 17:13:20,780 INFO L140 encePairwiseOnDemand]: 214/222 looper letters, 2 selfloop transitions, 1 changer transitions 72/172 dead transitions. [2024-10-14 17:13:20,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 172 transitions, 446 flow [2024-10-14 17:13:20,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:20,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:20,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 498 transitions. [2024-10-14 17:13:20,782 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7477477477477478 [2024-10-14 17:13:20,782 INFO L175 Difference]: Start difference. First operand has 155 places, 154 transitions, 316 flow. Second operand 3 states and 498 transitions. [2024-10-14 17:13:20,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 172 transitions, 446 flow [2024-10-14 17:13:20,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 172 transitions, 442 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:13:20,785 INFO L231 Difference]: Finished difference. Result has 153 places, 100 transitions, 202 flow [2024-10-14 17:13:20,785 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=153, PETRI_TRANSITIONS=100} [2024-10-14 17:13:20,788 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, -52 predicate places. [2024-10-14 17:13:20,788 INFO L471 AbstractCegarLoop]: Abstraction has has 153 places, 100 transitions, 202 flow [2024-10-14 17:13:20,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.0) internal successors, (453), 3 states have internal predecessors, (453), 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) [2024-10-14 17:13:20,788 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:20,789 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] [2024-10-14 17:13:20,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 17:13:20,789 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 91 more)] === [2024-10-14 17:13:20,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:20,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1594815367, now seen corresponding path program 1 times [2024-10-14 17:13:20,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:20,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264714438] [2024-10-14 17:13:20,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:20,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:20,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:20,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:20,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264714438] [2024-10-14 17:13:20,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264714438] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:20,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:20,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:20,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867062201] [2024-10-14 17:13:20,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:20,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:20,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:20,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:20,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:20,849 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 222 [2024-10-14 17:13:20,849 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 100 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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) [2024-10-14 17:13:20,850 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:20,850 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 222 [2024-10-14 17:13:20,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:20,858 INFO L124 PetriNetUnfolderBase]: 4/117 cut-off events. [2024-10-14 17:13:20,859 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:13:20,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 117 events. 4/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 88 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 75. Up to 4 conditions per place. [2024-10-14 17:13:20,859 INFO L140 encePairwiseOnDemand]: 220/222 looper letters, 2 selfloop transitions, 1 changer transitions 0/99 dead transitions. [2024-10-14 17:13:20,859 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 99 transitions, 206 flow [2024-10-14 17:13:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:20,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:20,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 463 transitions. [2024-10-14 17:13:20,861 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6951951951951952 [2024-10-14 17:13:20,861 INFO L175 Difference]: Start difference. First operand has 153 places, 100 transitions, 202 flow. Second operand 3 states and 463 transitions. [2024-10-14 17:13:20,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 99 transitions, 206 flow [2024-10-14 17:13:20,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 99 transitions, 205 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:13:20,863 INFO L231 Difference]: Finished difference. Result has 100 places, 99 transitions, 201 flow [2024-10-14 17:13:20,863 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=199, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=201, PETRI_PLACES=100, PETRI_TRANSITIONS=99} [2024-10-14 17:13:20,864 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, -105 predicate places. [2024-10-14 17:13:20,864 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 99 transitions, 201 flow [2024-10-14 17:13:20,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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) [2024-10-14 17:13:20,865 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:20,865 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:13:20,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 17:13:20,865 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 91 more)] === [2024-10-14 17:13:20,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:20,865 INFO L85 PathProgramCache]: Analyzing trace with hash 680363781, now seen corresponding path program 1 times [2024-10-14 17:13:20,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:20,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965817641] [2024-10-14 17:13:20,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:20,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:20,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:20,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965817641] [2024-10-14 17:13:20,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965817641] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:20,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:20,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:20,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799747512] [2024-10-14 17:13:20,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:20,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:20,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:20,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:20,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:20,944 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 222 [2024-10-14 17:13:20,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 99 transitions, 201 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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) [2024-10-14 17:13:20,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:20,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 222 [2024-10-14 17:13:20,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:20,958 INFO L124 PetriNetUnfolderBase]: 4/137 cut-off events. [2024-10-14 17:13:20,958 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:13:20,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 137 events. 4/137 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 189 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 110. Up to 8 conditions per place. [2024-10-14 17:13:20,959 INFO L140 encePairwiseOnDemand]: 220/222 looper letters, 2 selfloop transitions, 1 changer transitions 0/98 dead transitions. [2024-10-14 17:13:20,959 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 98 transitions, 205 flow [2024-10-14 17:13:20,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:20,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:20,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 463 transitions. [2024-10-14 17:13:20,961 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6951951951951952 [2024-10-14 17:13:20,961 INFO L175 Difference]: Start difference. First operand has 100 places, 99 transitions, 201 flow. Second operand 3 states and 463 transitions. [2024-10-14 17:13:20,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 98 transitions, 205 flow [2024-10-14 17:13:20,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 98 transitions, 204 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:13:20,963 INFO L231 Difference]: Finished difference. Result has 100 places, 98 transitions, 200 flow [2024-10-14 17:13:20,964 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=200, PETRI_PLACES=100, PETRI_TRANSITIONS=98} [2024-10-14 17:13:20,964 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, -105 predicate places. [2024-10-14 17:13:20,964 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 98 transitions, 200 flow [2024-10-14 17:13:20,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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) [2024-10-14 17:13:20,965 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:20,965 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:13:20,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 17:13:20,965 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 91 more)] === [2024-10-14 17:13:20,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:20,966 INFO L85 PathProgramCache]: Analyzing trace with hash 995125515, now seen corresponding path program 1 times [2024-10-14 17:13:20,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:20,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47103275] [2024-10-14 17:13:20,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:20,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:21,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:21,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:21,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47103275] [2024-10-14 17:13:21,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47103275] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:21,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:21,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:21,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345388273] [2024-10-14 17:13:21,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:21,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:21,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:21,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:21,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:21,027 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 222 [2024-10-14 17:13:21,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 98 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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) [2024-10-14 17:13:21,028 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:21,028 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 222 [2024-10-14 17:13:21,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:21,040 INFO L124 PetriNetUnfolderBase]: 0/149 cut-off events. [2024-10-14 17:13:21,041 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:13:21,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 149 events. 0/149 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 251 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2024-10-14 17:13:21,041 INFO L140 encePairwiseOnDemand]: 220/222 looper letters, 2 selfloop transitions, 1 changer transitions 0/97 dead transitions. [2024-10-14 17:13:21,041 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 97 transitions, 204 flow [2024-10-14 17:13:21,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:21,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:21,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 463 transitions. [2024-10-14 17:13:21,043 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6951951951951952 [2024-10-14 17:13:21,043 INFO L175 Difference]: Start difference. First operand has 100 places, 98 transitions, 200 flow. Second operand 3 states and 463 transitions. [2024-10-14 17:13:21,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 97 transitions, 204 flow [2024-10-14 17:13:21,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 97 transitions, 203 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:13:21,045 INFO L231 Difference]: Finished difference. Result has 100 places, 97 transitions, 199 flow [2024-10-14 17:13:21,046 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=199, PETRI_PLACES=100, PETRI_TRANSITIONS=97} [2024-10-14 17:13:21,046 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, -105 predicate places. [2024-10-14 17:13:21,047 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 97 transitions, 199 flow [2024-10-14 17:13:21,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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) [2024-10-14 17:13:21,048 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:21,048 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] [2024-10-14 17:13:21,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 17:13:21,049 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 91 more)] === [2024-10-14 17:13:21,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:21,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1462824814, now seen corresponding path program 1 times [2024-10-14 17:13:21,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:21,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85128283] [2024-10-14 17:13:21,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:21,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:21,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:21,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:21,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85128283] [2024-10-14 17:13:21,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85128283] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:21,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:21,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:21,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779834318] [2024-10-14 17:13:21,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:21,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:21,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:21,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:21,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:21,108 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 222 [2024-10-14 17:13:21,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 97 transitions, 199 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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) [2024-10-14 17:13:21,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:21,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 222 [2024-10-14 17:13:21,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:21,116 INFO L124 PetriNetUnfolderBase]: 0/141 cut-off events. [2024-10-14 17:13:21,117 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:13:21,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 141 events. 0/141 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 213 event pairs, 0 based on Foata normal form. 8/142 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2024-10-14 17:13:21,117 INFO L140 encePairwiseOnDemand]: 220/222 looper letters, 0 selfloop transitions, 0 changer transitions 96/96 dead transitions. [2024-10-14 17:13:21,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 96 transitions, 201 flow [2024-10-14 17:13:21,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:21,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:21,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 462 transitions. [2024-10-14 17:13:21,119 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6936936936936937 [2024-10-14 17:13:21,119 INFO L175 Difference]: Start difference. First operand has 100 places, 97 transitions, 199 flow. Second operand 3 states and 462 transitions. [2024-10-14 17:13:21,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 96 transitions, 201 flow [2024-10-14 17:13:21,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 96 transitions, 200 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:13:21,121 INFO L231 Difference]: Finished difference. Result has 100 places, 0 transitions, 0 flow [2024-10-14 17:13:21,121 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=100, PETRI_TRANSITIONS=0} [2024-10-14 17:13:21,122 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, -105 predicate places. [2024-10-14 17:13:21,122 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 0 transitions, 0 flow [2024-10-14 17:13:21,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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) [2024-10-14 17:13:21,125 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (94 of 95 remaining) [2024-10-14 17:13:21,126 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (93 of 95 remaining) [2024-10-14 17:13:21,126 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (92 of 95 remaining) [2024-10-14 17:13:21,126 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (91 of 95 remaining) [2024-10-14 17:13:21,126 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (90 of 95 remaining) [2024-10-14 17:13:21,126 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (89 of 95 remaining) [2024-10-14 17:13:21,127 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (88 of 95 remaining) [2024-10-14 17:13:21,127 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (87 of 95 remaining) [2024-10-14 17:13:21,127 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (86 of 95 remaining) [2024-10-14 17:13:21,127 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (85 of 95 remaining) [2024-10-14 17:13:21,127 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (84 of 95 remaining) [2024-10-14 17:13:21,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (83 of 95 remaining) [2024-10-14 17:13:21,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (82 of 95 remaining) [2024-10-14 17:13:21,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (81 of 95 remaining) [2024-10-14 17:13:21,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (80 of 95 remaining) [2024-10-14 17:13:21,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (79 of 95 remaining) [2024-10-14 17:13:21,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (78 of 95 remaining) [2024-10-14 17:13:21,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (77 of 95 remaining) [2024-10-14 17:13:21,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (76 of 95 remaining) [2024-10-14 17:13:21,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (75 of 95 remaining) [2024-10-14 17:13:21,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (74 of 95 remaining) [2024-10-14 17:13:21,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (73 of 95 remaining) [2024-10-14 17:13:21,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (72 of 95 remaining) [2024-10-14 17:13:21,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (71 of 95 remaining) [2024-10-14 17:13:21,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (70 of 95 remaining) [2024-10-14 17:13:21,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (69 of 95 remaining) [2024-10-14 17:13:21,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (68 of 95 remaining) [2024-10-14 17:13:21,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (67 of 95 remaining) [2024-10-14 17:13:21,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (66 of 95 remaining) [2024-10-14 17:13:21,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (65 of 95 remaining) [2024-10-14 17:13:21,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (64 of 95 remaining) [2024-10-14 17:13:21,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (63 of 95 remaining) [2024-10-14 17:13:21,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (62 of 95 remaining) [2024-10-14 17:13:21,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (61 of 95 remaining) [2024-10-14 17:13:21,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (60 of 95 remaining) [2024-10-14 17:13:21,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (59 of 95 remaining) [2024-10-14 17:13:21,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (58 of 95 remaining) [2024-10-14 17:13:21,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (57 of 95 remaining) [2024-10-14 17:13:21,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (56 of 95 remaining) [2024-10-14 17:13:21,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (55 of 95 remaining) [2024-10-14 17:13:21,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (54 of 95 remaining) [2024-10-14 17:13:21,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (53 of 95 remaining) [2024-10-14 17:13:21,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (52 of 95 remaining) [2024-10-14 17:13:21,132 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (51 of 95 remaining) [2024-10-14 17:13:21,132 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (50 of 95 remaining) [2024-10-14 17:13:21,132 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (49 of 95 remaining) [2024-10-14 17:13:21,132 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (48 of 95 remaining) [2024-10-14 17:13:21,132 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (47 of 95 remaining) [2024-10-14 17:13:21,132 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (46 of 95 remaining) [2024-10-14 17:13:21,132 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (45 of 95 remaining) [2024-10-14 17:13:21,132 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (44 of 95 remaining) [2024-10-14 17:13:21,133 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (43 of 95 remaining) [2024-10-14 17:13:21,133 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (42 of 95 remaining) [2024-10-14 17:13:21,133 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 95 remaining) [2024-10-14 17:13:21,133 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 95 remaining) [2024-10-14 17:13:21,133 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (39 of 95 remaining) [2024-10-14 17:13:21,133 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (38 of 95 remaining) [2024-10-14 17:13:21,133 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (37 of 95 remaining) [2024-10-14 17:13:21,133 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (36 of 95 remaining) [2024-10-14 17:13:21,133 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (35 of 95 remaining) [2024-10-14 17:13:21,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (34 of 95 remaining) [2024-10-14 17:13:21,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (33 of 95 remaining) [2024-10-14 17:13:21,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (32 of 95 remaining) [2024-10-14 17:13:21,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (31 of 95 remaining) [2024-10-14 17:13:21,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (30 of 95 remaining) [2024-10-14 17:13:21,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (29 of 95 remaining) [2024-10-14 17:13:21,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (28 of 95 remaining) [2024-10-14 17:13:21,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (27 of 95 remaining) [2024-10-14 17:13:21,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (26 of 95 remaining) [2024-10-14 17:13:21,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (25 of 95 remaining) [2024-10-14 17:13:21,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (24 of 95 remaining) [2024-10-14 17:13:21,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (23 of 95 remaining) [2024-10-14 17:13:21,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (22 of 95 remaining) [2024-10-14 17:13:21,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (21 of 95 remaining) [2024-10-14 17:13:21,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (20 of 95 remaining) [2024-10-14 17:13:21,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 95 remaining) [2024-10-14 17:13:21,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 95 remaining) [2024-10-14 17:13:21,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (17 of 95 remaining) [2024-10-14 17:13:21,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (16 of 95 remaining) [2024-10-14 17:13:21,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (15 of 95 remaining) [2024-10-14 17:13:21,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 95 remaining) [2024-10-14 17:13:21,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 95 remaining) [2024-10-14 17:13:21,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (12 of 95 remaining) [2024-10-14 17:13:21,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 95 remaining) [2024-10-14 17:13:21,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (10 of 95 remaining) [2024-10-14 17:13:21,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (9 of 95 remaining) [2024-10-14 17:13:21,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (8 of 95 remaining) [2024-10-14 17:13:21,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (7 of 95 remaining) [2024-10-14 17:13:21,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (6 of 95 remaining) [2024-10-14 17:13:21,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (5 of 95 remaining) [2024-10-14 17:13:21,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (4 of 95 remaining) [2024-10-14 17:13:21,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (3 of 95 remaining) [2024-10-14 17:13:21,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (2 of 95 remaining) [2024-10-14 17:13:21,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (1 of 95 remaining) [2024-10-14 17:13:21,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (0 of 95 remaining) [2024-10-14 17:13:21,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 17:13:21,138 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:13:21,147 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 17:13:21,147 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 17:13:21,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:13:21 BasicIcfg [2024-10-14 17:13:21,155 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 17:13:21,155 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 17:13:21,156 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 17:13:21,156 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 17:13:21,156 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:13:18" (3/4) ... [2024-10-14 17:13:21,158 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 17:13:21,165 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-14 17:13:21,166 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-14 17:13:21,171 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-14 17:13:21,171 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 17:13:21,172 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 17:13:21,172 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 17:13:21,269 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 17:13:21,269 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 17:13:21,269 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 17:13:21,270 INFO L158 Benchmark]: Toolchain (without parser) took 4068.63ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 87.9MB in the beginning and 108.4MB in the end (delta: -20.6MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-10-14 17:13:21,270 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:13:21,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.85ms. Allocated memory is still 138.4MB. Free memory was 87.5MB in the beginning and 74.7MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 17:13:21,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.20ms. Allocated memory is still 138.4MB. Free memory was 74.7MB in the beginning and 72.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:13:21,270 INFO L158 Benchmark]: Boogie Preprocessor took 42.07ms. Allocated memory is still 138.4MB. Free memory was 72.1MB in the beginning and 70.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:13:21,271 INFO L158 Benchmark]: RCFGBuilder took 1068.62ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 70.3MB in the beginning and 133.3MB in the end (delta: -63.0MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-10-14 17:13:21,271 INFO L158 Benchmark]: TraceAbstraction took 2493.08ms. Allocated memory is still 203.4MB. Free memory was 132.2MB in the beginning and 113.7MB in the end (delta: 18.6MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-10-14 17:13:21,271 INFO L158 Benchmark]: Witness Printer took 113.67ms. Allocated memory is still 203.4MB. Free memory was 113.7MB in the beginning and 108.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 17:13:21,272 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.85ms. Allocated memory is still 138.4MB. Free memory was 87.5MB in the beginning and 74.7MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.20ms. Allocated memory is still 138.4MB. Free memory was 74.7MB in the beginning and 72.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.07ms. Allocated memory is still 138.4MB. Free memory was 72.1MB in the beginning and 70.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1068.62ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 70.3MB in the beginning and 133.3MB in the end (delta: -63.0MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2493.08ms. Allocated memory is still 203.4MB. Free memory was 132.2MB in the beginning and 113.7MB in the end (delta: 18.6MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Witness Printer took 113.67ms. Allocated memory is still 203.4MB. Free memory was 113.7MB in the beginning and 108.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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: 83]: 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: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: 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, 285 locations, 95 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: 2.3s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 154 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 482 IncrementalHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 56 mSDtfsCounter, 482 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=418occurred in iteration=0, InterpolantAutomatonStates: 36, 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, 0.6s InterpolantComputationTime, 732 NumberOfCodeBlocks, 732 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 720 ConstructedInterpolants, 0 QuantifiedInterpolants, 744 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 53 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 17:13:21,302 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