./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/clever.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/clever.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 f1b460e4dbdd0bf3097d690d1720c7a2141566e2aa4ca1ed003c7fa25661851d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:57:11,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:57:11,734 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:57:11,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:57:11,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:57:11,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:57:11,755 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:57:11,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:57:11,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:57:11,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:57:11,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:57:11,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:57:11,757 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:57:11,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:57:11,757 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:57:11,758 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:57:11,758 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:57:11,758 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:57:11,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:57:11,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:57:11,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:57:11,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:57:11,762 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:57:11,763 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:57:11,763 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:57:11,763 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:57:11,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:57:11,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:57:11,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:57:11,764 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:57:11,764 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:57:11,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:57:11,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:57:11,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:57:11,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:57:11,765 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:57:11,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:57:11,767 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:57:11,767 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:57:11,767 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:57:11,767 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:57:11,768 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1b460e4dbdd0bf3097d690d1720c7a2141566e2aa4ca1ed003c7fa25661851d [2024-11-22 17:57:11,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:57:12,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:57:12,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:57:12,017 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:57:12,017 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:57:12,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/clever.wvr.c [2024-11-22 17:57:13,160 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:57:13,311 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:57:13,312 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/clever.wvr.c [2024-11-22 17:57:13,318 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64fa457a4/aef9782df22541f39fceb71946a86d59/FLAG75536a60c [2024-11-22 17:57:13,327 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64fa457a4/aef9782df22541f39fceb71946a86d59 [2024-11-22 17:57:13,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:57:13,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:57:13,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:57:13,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:57:13,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:57:13,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:57:13" (1/1) ... [2024-11-22 17:57:13,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d742757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:13, skipping insertion in model container [2024-11-22 17:57:13,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:57:13" (1/1) ... [2024-11-22 17:57:13,351 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:57:13,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:57:13,503 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:57:13,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:57:13,536 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:57:13,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:13 WrapperNode [2024-11-22 17:57:13,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:57:13,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:57:13,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:57:13,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:57:13,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:13" (1/1) ... [2024-11-22 17:57:13,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:13" (1/1) ... [2024-11-22 17:57:13,569 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2024-11-22 17:57:13,570 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:57:13,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:57:13,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:57:13,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:57:13,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:13" (1/1) ... [2024-11-22 17:57:13,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:13" (1/1) ... [2024-11-22 17:57:13,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:13" (1/1) ... [2024-11-22 17:57:13,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:13" (1/1) ... [2024-11-22 17:57:13,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:13" (1/1) ... [2024-11-22 17:57:13,590 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:13" (1/1) ... [2024-11-22 17:57:13,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:13" (1/1) ... [2024-11-22 17:57:13,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:13" (1/1) ... [2024-11-22 17:57:13,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:57:13,594 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:57:13,594 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:57:13,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:57:13,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:13" (1/1) ... [2024-11-22 17:57:13,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:57:13,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:57:13,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 17:57:13,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 17:57:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:57:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-22 17:57:13,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-22 17:57:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-22 17:57:13,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-22 17:57:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:57:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:57:13,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:57:13,674 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:57:13,768 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:57:13,770 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:57:14,093 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:57:14,093 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:57:14,110 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:57:14,110 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-22 17:57:14,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:57:14 BoogieIcfgContainer [2024-11-22 17:57:14,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:57:14,112 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:57:14,112 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:57:14,114 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:57:14,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:57:13" (1/3) ... [2024-11-22 17:57:14,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7067424d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:57:14, skipping insertion in model container [2024-11-22 17:57:14,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:13" (2/3) ... [2024-11-22 17:57:14,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7067424d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:57:14, skipping insertion in model container [2024-11-22 17:57:14,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:57:14" (3/3) ... [2024-11-22 17:57:14,116 INFO L112 eAbstractionObserver]: Analyzing ICFG clever.wvr.c [2024-11-22 17:57:14,128 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:57:14,128 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2024-11-22 17:57:14,128 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:57:14,192 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-22 17:57:14,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 261 places, 266 transitions, 546 flow [2024-11-22 17:57:14,301 INFO L124 PetriNetUnfolderBase]: 12/264 cut-off events. [2024-11-22 17:57:14,301 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:57:14,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 264 events. 12/264 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 440 event pairs, 0 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 204. Up to 2 conditions per place. [2024-11-22 17:57:14,310 INFO L82 GeneralOperation]: Start removeDead. Operand has 261 places, 266 transitions, 546 flow [2024-11-22 17:57:14,317 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 243 places, 247 transitions, 506 flow [2024-11-22 17:57:14,329 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:57:14,337 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;@4eeb313, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:57:14,338 INFO L334 AbstractCegarLoop]: Starting to check reachability of 55 error locations. [2024-11-22 17:57:14,344 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:57:14,344 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-22 17:57:14,344 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:57:14,344 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:14,345 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] [2024-11-22 17:57:14,345 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:14,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:14,349 INFO L85 PathProgramCache]: Analyzing trace with hash 578639531, now seen corresponding path program 1 times [2024-11-22 17:57:14,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:14,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666480150] [2024-11-22 17:57:14,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:14,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:14,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:14,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:14,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666480150] [2024-11-22 17:57:14,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666480150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:14,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:14,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:14,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138310215] [2024-11-22 17:57:14,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:14,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:14,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:14,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:14,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:14,563 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 266 [2024-11-22 17:57:14,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 247 transitions, 506 flow. Second operand has 3 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:14,570 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:14,570 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 266 [2024-11-22 17:57:14,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:14,640 INFO L124 PetriNetUnfolderBase]: 13/361 cut-off events. [2024-11-22 17:57:14,640 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-22 17:57:14,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 393 conditions, 361 events. 13/361 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1009 event pairs, 3 based on Foata normal form. 13/306 useless extension candidates. Maximal degree in co-relation 231. Up to 18 conditions per place. [2024-11-22 17:57:14,644 INFO L140 encePairwiseOnDemand]: 258/266 looper letters, 9 selfloop transitions, 2 changer transitions 2/241 dead transitions. [2024-11-22 17:57:14,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 241 transitions, 516 flow [2024-11-22 17:57:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:14,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:14,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 755 transitions. [2024-11-22 17:57:14,656 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9461152882205514 [2024-11-22 17:57:14,657 INFO L175 Difference]: Start difference. First operand has 243 places, 247 transitions, 506 flow. Second operand 3 states and 755 transitions. [2024-11-22 17:57:14,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 241 transitions, 516 flow [2024-11-22 17:57:14,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 241 transitions, 508 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-22 17:57:14,664 INFO L231 Difference]: Finished difference. Result has 240 places, 239 transitions, 486 flow [2024-11-22 17:57:14,666 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=486, PETRI_PLACES=240, PETRI_TRANSITIONS=239} [2024-11-22 17:57:14,669 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -3 predicate places. [2024-11-22 17:57:14,669 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 239 transitions, 486 flow [2024-11-22 17:57:14,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:14,669 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:14,670 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] [2024-11-22 17:57:14,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:57:14,670 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:14,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:14,671 INFO L85 PathProgramCache]: Analyzing trace with hash 917335090, now seen corresponding path program 1 times [2024-11-22 17:57:14,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:14,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876869685] [2024-11-22 17:57:14,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:14,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:14,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:14,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:14,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876869685] [2024-11-22 17:57:14,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876869685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:14,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:14,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:14,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253831354] [2024-11-22 17:57:14,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:14,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:14,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:14,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:14,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:14,739 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 266 [2024-11-22 17:57:14,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 239 transitions, 486 flow. Second operand has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:14,741 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:14,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 266 [2024-11-22 17:57:14,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:14,781 INFO L124 PetriNetUnfolderBase]: 10/279 cut-off events. [2024-11-22 17:57:14,781 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-22 17:57:14,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 279 events. 10/279 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 591 event pairs, 3 based on Foata normal form. 0/232 useless extension candidates. Maximal degree in co-relation 274. Up to 17 conditions per place. [2024-11-22 17:57:14,783 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 10 selfloop transitions, 2 changer transitions 0/238 dead transitions. [2024-11-22 17:57:14,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 238 transitions, 508 flow [2024-11-22 17:57:14,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:14,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:14,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 748 transitions. [2024-11-22 17:57:14,785 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9373433583959899 [2024-11-22 17:57:14,785 INFO L175 Difference]: Start difference. First operand has 240 places, 239 transitions, 486 flow. Second operand 3 states and 748 transitions. [2024-11-22 17:57:14,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 238 transitions, 508 flow [2024-11-22 17:57:14,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 238 transitions, 504 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:14,788 INFO L231 Difference]: Finished difference. Result has 237 places, 238 transitions, 484 flow [2024-11-22 17:57:14,789 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=484, PETRI_PLACES=237, PETRI_TRANSITIONS=238} [2024-11-22 17:57:14,789 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -6 predicate places. [2024-11-22 17:57:14,789 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 238 transitions, 484 flow [2024-11-22 17:57:14,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:14,790 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:14,790 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] [2024-11-22 17:57:14,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:57:14,790 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:14,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:14,791 INFO L85 PathProgramCache]: Analyzing trace with hash -385693522, now seen corresponding path program 1 times [2024-11-22 17:57:14,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:14,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043266268] [2024-11-22 17:57:14,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:14,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:14,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:14,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:14,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043266268] [2024-11-22 17:57:14,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043266268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:14,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:14,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:14,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333387034] [2024-11-22 17:57:14,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:14,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:14,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:14,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:14,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:14,895 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 266 [2024-11-22 17:57:14,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 238 transitions, 484 flow. Second operand has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:14,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:14,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 266 [2024-11-22 17:57:14,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:14,926 INFO L124 PetriNetUnfolderBase]: 11/298 cut-off events. [2024-11-22 17:57:14,927 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:57:14,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 298 events. 11/298 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 688 event pairs, 3 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 292. Up to 22 conditions per place. [2024-11-22 17:57:14,929 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 14 selfloop transitions, 2 changer transitions 0/237 dead transitions. [2024-11-22 17:57:14,929 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 237 transitions, 514 flow [2024-11-22 17:57:14,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:14,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:14,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 740 transitions. [2024-11-22 17:57:14,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9273182957393483 [2024-11-22 17:57:14,932 INFO L175 Difference]: Start difference. First operand has 237 places, 238 transitions, 484 flow. Second operand 3 states and 740 transitions. [2024-11-22 17:57:14,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 237 transitions, 514 flow [2024-11-22 17:57:14,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 237 transitions, 510 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:14,936 INFO L231 Difference]: Finished difference. Result has 236 places, 237 transitions, 482 flow [2024-11-22 17:57:14,937 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=236, PETRI_TRANSITIONS=237} [2024-11-22 17:57:14,937 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -7 predicate places. [2024-11-22 17:57:14,937 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 237 transitions, 482 flow [2024-11-22 17:57:14,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:14,938 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:14,938 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] [2024-11-22 17:57:14,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:57:14,938 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:14,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:14,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1229539445, now seen corresponding path program 1 times [2024-11-22 17:57:14,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:14,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020979820] [2024-11-22 17:57:14,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:14,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:14,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:14,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:14,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020979820] [2024-11-22 17:57:14,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020979820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:14,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:14,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:14,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570844953] [2024-11-22 17:57:14,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:14,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:14,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:14,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:14,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:15,011 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 266 [2024-11-22 17:57:15,012 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 237 transitions, 482 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:15,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:15,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 266 [2024-11-22 17:57:15,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:15,046 INFO L124 PetriNetUnfolderBase]: 10/273 cut-off events. [2024-11-22 17:57:15,046 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-22 17:57:15,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 273 events. 10/273 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 571 event pairs, 3 based on Foata normal form. 0/228 useless extension candidates. Maximal degree in co-relation 253. Up to 19 conditions per place. [2024-11-22 17:57:15,047 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 11 selfloop transitions, 2 changer transitions 0/236 dead transitions. [2024-11-22 17:57:15,047 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 236 transitions, 506 flow [2024-11-22 17:57:15,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:15,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:15,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 746 transitions. [2024-11-22 17:57:15,049 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9348370927318296 [2024-11-22 17:57:15,049 INFO L175 Difference]: Start difference. First operand has 236 places, 237 transitions, 482 flow. Second operand 3 states and 746 transitions. [2024-11-22 17:57:15,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 236 transitions, 506 flow [2024-11-22 17:57:15,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 236 transitions, 502 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:15,054 INFO L231 Difference]: Finished difference. Result has 235 places, 236 transitions, 480 flow [2024-11-22 17:57:15,054 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=480, PETRI_PLACES=235, PETRI_TRANSITIONS=236} [2024-11-22 17:57:15,056 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -8 predicate places. [2024-11-22 17:57:15,056 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 236 transitions, 480 flow [2024-11-22 17:57:15,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:15,057 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:15,057 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] [2024-11-22 17:57:15,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:57:15,057 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:15,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:15,058 INFO L85 PathProgramCache]: Analyzing trace with hash 578115641, now seen corresponding path program 1 times [2024-11-22 17:57:15,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:15,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97173612] [2024-11-22 17:57:15,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:15,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:15,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:15,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:15,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97173612] [2024-11-22 17:57:15,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97173612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:15,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:15,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:15,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751646733] [2024-11-22 17:57:15,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:15,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:15,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:15,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:15,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:15,124 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 266 [2024-11-22 17:57:15,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 236 transitions, 480 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:15,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:15,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 266 [2024-11-22 17:57:15,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:15,172 INFO L124 PetriNetUnfolderBase]: 14/387 cut-off events. [2024-11-22 17:57:15,173 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2024-11-22 17:57:15,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 387 events. 14/387 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1032 event pairs, 4 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 364. Up to 20 conditions per place. [2024-11-22 17:57:15,175 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 11 selfloop transitions, 2 changer transitions 0/235 dead transitions. [2024-11-22 17:57:15,175 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 235 transitions, 504 flow [2024-11-22 17:57:15,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:15,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:15,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 746 transitions. [2024-11-22 17:57:15,178 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9348370927318296 [2024-11-22 17:57:15,178 INFO L175 Difference]: Start difference. First operand has 235 places, 236 transitions, 480 flow. Second operand 3 states and 746 transitions. [2024-11-22 17:57:15,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 235 transitions, 504 flow [2024-11-22 17:57:15,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 235 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:15,182 INFO L231 Difference]: Finished difference. Result has 234 places, 235 transitions, 478 flow [2024-11-22 17:57:15,182 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=478, PETRI_PLACES=234, PETRI_TRANSITIONS=235} [2024-11-22 17:57:15,183 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -9 predicate places. [2024-11-22 17:57:15,184 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 235 transitions, 478 flow [2024-11-22 17:57:15,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:15,185 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:15,185 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:15,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:57:15,185 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:15,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:15,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1185114072, now seen corresponding path program 1 times [2024-11-22 17:57:15,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:15,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691002494] [2024-11-22 17:57:15,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:15,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:15,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:15,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:15,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691002494] [2024-11-22 17:57:15,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691002494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:15,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:15,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:15,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331170200] [2024-11-22 17:57:15,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:15,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:15,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:15,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:15,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:15,255 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 266 [2024-11-22 17:57:15,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 235 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:15,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:15,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 266 [2024-11-22 17:57:15,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:15,296 INFO L124 PetriNetUnfolderBase]: 10/310 cut-off events. [2024-11-22 17:57:15,296 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2024-11-22 17:57:15,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 310 events. 10/310 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 643 event pairs, 2 based on Foata normal form. 0/259 useless extension candidates. Maximal degree in co-relation 273. Up to 16 conditions per place. [2024-11-22 17:57:15,299 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 11 selfloop transitions, 2 changer transitions 0/234 dead transitions. [2024-11-22 17:57:15,299 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 234 transitions, 502 flow [2024-11-22 17:57:15,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:15,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:15,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 746 transitions. [2024-11-22 17:57:15,301 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9348370927318296 [2024-11-22 17:57:15,301 INFO L175 Difference]: Start difference. First operand has 234 places, 235 transitions, 478 flow. Second operand 3 states and 746 transitions. [2024-11-22 17:57:15,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 234 transitions, 502 flow [2024-11-22 17:57:15,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 234 transitions, 498 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:15,304 INFO L231 Difference]: Finished difference. Result has 233 places, 234 transitions, 476 flow [2024-11-22 17:57:15,304 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=233, PETRI_TRANSITIONS=234} [2024-11-22 17:57:15,305 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -10 predicate places. [2024-11-22 17:57:15,305 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 234 transitions, 476 flow [2024-11-22 17:57:15,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:15,305 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:15,306 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:15,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:57:15,306 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:15,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:15,306 INFO L85 PathProgramCache]: Analyzing trace with hash 443216440, now seen corresponding path program 1 times [2024-11-22 17:57:15,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:15,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366339772] [2024-11-22 17:57:15,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:15,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:15,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:15,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:15,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366339772] [2024-11-22 17:57:15,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366339772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:15,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:15,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:15,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889866392] [2024-11-22 17:57:15,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:15,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:15,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:15,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:15,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:15,375 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 266 [2024-11-22 17:57:15,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 234 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:15,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:15,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 266 [2024-11-22 17:57:15,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:15,397 INFO L124 PetriNetUnfolderBase]: 8/237 cut-off events. [2024-11-22 17:57:15,398 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-22 17:57:15,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 237 events. 8/237 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 430 event pairs, 2 based on Foata normal form. 0/204 useless extension candidates. Maximal degree in co-relation 191. Up to 16 conditions per place. [2024-11-22 17:57:15,399 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 11 selfloop transitions, 2 changer transitions 0/233 dead transitions. [2024-11-22 17:57:15,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 233 transitions, 500 flow [2024-11-22 17:57:15,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:15,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:15,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 746 transitions. [2024-11-22 17:57:15,401 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9348370927318296 [2024-11-22 17:57:15,401 INFO L175 Difference]: Start difference. First operand has 233 places, 234 transitions, 476 flow. Second operand 3 states and 746 transitions. [2024-11-22 17:57:15,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 233 transitions, 500 flow [2024-11-22 17:57:15,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 233 transitions, 496 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:15,403 INFO L231 Difference]: Finished difference. Result has 232 places, 233 transitions, 474 flow [2024-11-22 17:57:15,404 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=474, PETRI_PLACES=232, PETRI_TRANSITIONS=233} [2024-11-22 17:57:15,405 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -11 predicate places. [2024-11-22 17:57:15,405 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 233 transitions, 474 flow [2024-11-22 17:57:15,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:15,406 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:15,406 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:15,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 17:57:15,406 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:15,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:15,407 INFO L85 PathProgramCache]: Analyzing trace with hash 732440509, now seen corresponding path program 1 times [2024-11-22 17:57:15,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:15,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096346476] [2024-11-22 17:57:15,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:15,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:15,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:15,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:15,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096346476] [2024-11-22 17:57:15,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096346476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:15,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:15,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:15,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525256356] [2024-11-22 17:57:15,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:15,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:15,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:15,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:15,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:15,482 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 266 [2024-11-22 17:57:15,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 233 transitions, 474 flow. Second operand has 3 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:15,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:15,483 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 266 [2024-11-22 17:57:15,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:15,511 INFO L124 PetriNetUnfolderBase]: 13/289 cut-off events. [2024-11-22 17:57:15,511 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:57:15,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 289 events. 13/289 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 688 event pairs, 4 based on Foata normal form. 0/249 useless extension candidates. Maximal degree in co-relation 254. Up to 26 conditions per place. [2024-11-22 17:57:15,513 INFO L140 encePairwiseOnDemand]: 257/266 looper letters, 17 selfloop transitions, 3 changer transitions 0/229 dead transitions. [2024-11-22 17:57:15,513 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 229 transitions, 507 flow [2024-11-22 17:57:15,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:15,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:15,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 731 transitions. [2024-11-22 17:57:15,515 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9160401002506265 [2024-11-22 17:57:15,515 INFO L175 Difference]: Start difference. First operand has 232 places, 233 transitions, 474 flow. Second operand 3 states and 731 transitions. [2024-11-22 17:57:15,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 229 transitions, 507 flow [2024-11-22 17:57:15,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 229 transitions, 503 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:15,521 INFO L231 Difference]: Finished difference. Result has 227 places, 228 transitions, 471 flow [2024-11-22 17:57:15,521 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=471, PETRI_PLACES=227, PETRI_TRANSITIONS=228} [2024-11-22 17:57:15,522 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -16 predicate places. [2024-11-22 17:57:15,522 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 228 transitions, 471 flow [2024-11-22 17:57:15,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:15,524 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:15,524 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:15,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 17:57:15,524 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:15,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:15,525 INFO L85 PathProgramCache]: Analyzing trace with hash -499292250, now seen corresponding path program 1 times [2024-11-22 17:57:15,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:15,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247705186] [2024-11-22 17:57:15,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:15,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:15,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:15,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:15,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247705186] [2024-11-22 17:57:15,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247705186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:15,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:15,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:15,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541474683] [2024-11-22 17:57:15,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:15,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:15,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:15,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:15,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:15,590 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 266 [2024-11-22 17:57:15,591 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 228 transitions, 471 flow. Second operand has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:15,591 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:15,591 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 266 [2024-11-22 17:57:15,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:15,617 INFO L124 PetriNetUnfolderBase]: 12/263 cut-off events. [2024-11-22 17:57:15,617 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-22 17:57:15,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 298 conditions, 263 events. 12/263 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 568 event pairs, 4 based on Foata normal form. 0/232 useless extension candidates. Maximal degree in co-relation 211. Up to 20 conditions per place. [2024-11-22 17:57:15,618 INFO L140 encePairwiseOnDemand]: 260/266 looper letters, 11 selfloop transitions, 3 changer transitions 0/227 dead transitions. [2024-11-22 17:57:15,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 227 transitions, 498 flow [2024-11-22 17:57:15,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:15,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:15,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 749 transitions. [2024-11-22 17:57:15,620 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9385964912280702 [2024-11-22 17:57:15,621 INFO L175 Difference]: Start difference. First operand has 227 places, 228 transitions, 471 flow. Second operand 3 states and 749 transitions. [2024-11-22 17:57:15,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 227 transitions, 498 flow [2024-11-22 17:57:15,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 227 transitions, 495 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:57:15,624 INFO L231 Difference]: Finished difference. Result has 226 places, 226 transitions, 475 flow [2024-11-22 17:57:15,624 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=475, PETRI_PLACES=226, PETRI_TRANSITIONS=226} [2024-11-22 17:57:15,624 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -17 predicate places. [2024-11-22 17:57:15,625 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 226 transitions, 475 flow [2024-11-22 17:57:15,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:15,625 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:15,625 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:15,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 17:57:15,626 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:15,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:15,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1625983613, now seen corresponding path program 1 times [2024-11-22 17:57:15,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:15,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106845675] [2024-11-22 17:57:15,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:15,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:15,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:15,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:15,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106845675] [2024-11-22 17:57:15,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106845675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:15,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:15,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:15,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133161059] [2024-11-22 17:57:15,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:15,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:15,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:15,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:15,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:15,662 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 266 [2024-11-22 17:57:15,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 226 transitions, 475 flow. Second operand has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:15,663 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:15,663 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 266 [2024-11-22 17:57:15,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:15,697 INFO L124 PetriNetUnfolderBase]: 16/385 cut-off events. [2024-11-22 17:57:15,697 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2024-11-22 17:57:15,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 442 conditions, 385 events. 16/385 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1129 event pairs, 1 based on Foata normal form. 0/339 useless extension candidates. Maximal degree in co-relation 333. Up to 17 conditions per place. [2024-11-22 17:57:15,699 INFO L140 encePairwiseOnDemand]: 259/266 looper letters, 14 selfloop transitions, 4 changer transitions 0/229 dead transitions. [2024-11-22 17:57:15,699 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 229 transitions, 521 flow [2024-11-22 17:57:15,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:15,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:15,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2024-11-22 17:57:15,700 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.943609022556391 [2024-11-22 17:57:15,700 INFO L175 Difference]: Start difference. First operand has 226 places, 226 transitions, 475 flow. Second operand 3 states and 753 transitions. [2024-11-22 17:57:15,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 229 transitions, 521 flow [2024-11-22 17:57:15,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 229 transitions, 518 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:57:15,703 INFO L231 Difference]: Finished difference. Result has 225 places, 225 transitions, 486 flow [2024-11-22 17:57:15,703 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=486, PETRI_PLACES=225, PETRI_TRANSITIONS=225} [2024-11-22 17:57:15,704 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -18 predicate places. [2024-11-22 17:57:15,704 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 225 transitions, 486 flow [2024-11-22 17:57:15,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:15,705 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:15,706 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:15,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 17:57:15,706 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:15,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:15,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1498306685, now seen corresponding path program 1 times [2024-11-22 17:57:15,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:15,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943544757] [2024-11-22 17:57:15,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:15,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:15,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:15,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:15,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943544757] [2024-11-22 17:57:15,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943544757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:15,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:15,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:15,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089584986] [2024-11-22 17:57:15,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:15,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:15,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:15,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:15,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:15,757 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 266 [2024-11-22 17:57:15,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 225 transitions, 486 flow. Second operand has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:15,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:15,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 266 [2024-11-22 17:57:15,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:15,802 INFO L124 PetriNetUnfolderBase]: 27/553 cut-off events. [2024-11-22 17:57:15,802 INFO L125 PetriNetUnfolderBase]: For 12/16 co-relation queries the response was YES. [2024-11-22 17:57:15,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 649 conditions, 553 events. 27/553 cut-off events. For 12/16 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2637 event pairs, 2 based on Foata normal form. 1/493 useless extension candidates. Maximal degree in co-relation 407. Up to 30 conditions per place. [2024-11-22 17:57:15,804 INFO L140 encePairwiseOnDemand]: 259/266 looper letters, 10 selfloop transitions, 3 changer transitions 7/228 dead transitions. [2024-11-22 17:57:15,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 228 transitions, 530 flow [2024-11-22 17:57:15,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:15,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:15,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 752 transitions. [2024-11-22 17:57:15,806 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9423558897243107 [2024-11-22 17:57:15,806 INFO L175 Difference]: Start difference. First operand has 225 places, 225 transitions, 486 flow. Second operand 3 states and 752 transitions. [2024-11-22 17:57:15,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 228 transitions, 530 flow [2024-11-22 17:57:15,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 228 transitions, 526 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:57:15,809 INFO L231 Difference]: Finished difference. Result has 224 places, 218 transitions, 474 flow [2024-11-22 17:57:15,809 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=474, PETRI_PLACES=224, PETRI_TRANSITIONS=218} [2024-11-22 17:57:15,809 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -19 predicate places. [2024-11-22 17:57:15,810 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 218 transitions, 474 flow [2024-11-22 17:57:15,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:15,810 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:15,810 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:15,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 17:57:15,810 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:15,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:15,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1127054599, now seen corresponding path program 1 times [2024-11-22 17:57:15,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:15,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800162269] [2024-11-22 17:57:15,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:15,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:15,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:15,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:15,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800162269] [2024-11-22 17:57:15,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800162269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:15,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:15,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:15,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578449314] [2024-11-22 17:57:15,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:15,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:15,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:15,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:15,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:15,858 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 266 [2024-11-22 17:57:15,859 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 218 transitions, 474 flow. Second operand has 3 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:15,859 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:15,859 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 266 [2024-11-22 17:57:15,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:15,938 INFO L124 PetriNetUnfolderBase]: 66/1009 cut-off events. [2024-11-22 17:57:15,938 INFO L125 PetriNetUnfolderBase]: For 24/28 co-relation queries the response was YES. [2024-11-22 17:57:15,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1222 conditions, 1009 events. 66/1009 cut-off events. For 24/28 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5988 event pairs, 20 based on Foata normal form. 0/877 useless extension candidates. Maximal degree in co-relation 658. Up to 92 conditions per place. [2024-11-22 17:57:15,943 INFO L140 encePairwiseOnDemand]: 262/266 looper letters, 9 selfloop transitions, 1 changer transitions 0/215 dead transitions. [2024-11-22 17:57:15,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 215 transitions, 488 flow [2024-11-22 17:57:15,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:15,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:15,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 748 transitions. [2024-11-22 17:57:15,945 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9373433583959899 [2024-11-22 17:57:15,945 INFO L175 Difference]: Start difference. First operand has 224 places, 218 transitions, 474 flow. Second operand 3 states and 748 transitions. [2024-11-22 17:57:15,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 215 transitions, 488 flow [2024-11-22 17:57:15,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 215 transitions, 485 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:57:15,948 INFO L231 Difference]: Finished difference. Result has 218 places, 215 transitions, 467 flow [2024-11-22 17:57:15,949 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=218, PETRI_TRANSITIONS=215} [2024-11-22 17:57:15,949 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -25 predicate places. [2024-11-22 17:57:15,949 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 215 transitions, 467 flow [2024-11-22 17:57:15,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:15,950 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:15,950 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:15,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 17:57:15,950 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:15,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:15,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1772561207, now seen corresponding path program 1 times [2024-11-22 17:57:15,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:15,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396495976] [2024-11-22 17:57:15,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:15,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:15,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:15,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:15,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396495976] [2024-11-22 17:57:15,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396495976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:15,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:15,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:15,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566411930] [2024-11-22 17:57:15,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:15,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:15,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:15,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:15,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:15,992 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 266 [2024-11-22 17:57:15,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 215 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:15,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:15,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 266 [2024-11-22 17:57:15,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:16,069 INFO L124 PetriNetUnfolderBase]: 80/1099 cut-off events. [2024-11-22 17:57:16,069 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-22 17:57:16,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1338 conditions, 1099 events. 80/1099 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 7313 event pairs, 16 based on Foata normal form. 0/974 useless extension candidates. Maximal degree in co-relation 636. Up to 108 conditions per place. [2024-11-22 17:57:16,074 INFO L140 encePairwiseOnDemand]: 262/266 looper letters, 9 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2024-11-22 17:57:16,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 216 transitions, 492 flow [2024-11-22 17:57:16,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:16,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:16,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 757 transitions. [2024-11-22 17:57:16,075 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9486215538847118 [2024-11-22 17:57:16,075 INFO L175 Difference]: Start difference. First operand has 218 places, 215 transitions, 467 flow. Second operand 3 states and 757 transitions. [2024-11-22 17:57:16,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 216 transitions, 492 flow [2024-11-22 17:57:16,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 216 transitions, 491 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:57:16,078 INFO L231 Difference]: Finished difference. Result has 218 places, 215 transitions, 476 flow [2024-11-22 17:57:16,079 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=218, PETRI_TRANSITIONS=215} [2024-11-22 17:57:16,079 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -25 predicate places. [2024-11-22 17:57:16,079 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 215 transitions, 476 flow [2024-11-22 17:57:16,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:16,080 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:16,080 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:16,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 17:57:16,080 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:16,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:16,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1046373861, now seen corresponding path program 1 times [2024-11-22 17:57:16,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:16,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517873330] [2024-11-22 17:57:16,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:16,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:16,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:16,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517873330] [2024-11-22 17:57:16,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517873330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:16,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:16,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:16,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382868420] [2024-11-22 17:57:16,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:16,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:16,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:16,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:16,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:16,134 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 266 [2024-11-22 17:57:16,135 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 215 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:16,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:16,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 266 [2024-11-22 17:57:16,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:16,196 INFO L124 PetriNetUnfolderBase]: 72/875 cut-off events. [2024-11-22 17:57:16,196 INFO L125 PetriNetUnfolderBase]: For 8/12 co-relation queries the response was YES. [2024-11-22 17:57:16,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1134 conditions, 875 events. 72/875 cut-off events. For 8/12 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 5238 event pairs, 16 based on Foata normal form. 0/792 useless extension candidates. Maximal degree in co-relation 740. Up to 70 conditions per place. [2024-11-22 17:57:16,200 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 10 selfloop transitions, 2 changer transitions 0/215 dead transitions. [2024-11-22 17:57:16,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 215 transitions, 501 flow [2024-11-22 17:57:16,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:16,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:16,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 751 transitions. [2024-11-22 17:57:16,202 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9411027568922306 [2024-11-22 17:57:16,202 INFO L175 Difference]: Start difference. First operand has 218 places, 215 transitions, 476 flow. Second operand 3 states and 751 transitions. [2024-11-22 17:57:16,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 215 transitions, 501 flow [2024-11-22 17:57:16,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 215 transitions, 501 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:57:16,205 INFO L231 Difference]: Finished difference. Result has 219 places, 214 transitions, 478 flow [2024-11-22 17:57:16,206 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=478, PETRI_PLACES=219, PETRI_TRANSITIONS=214} [2024-11-22 17:57:16,206 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -24 predicate places. [2024-11-22 17:57:16,207 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 214 transitions, 478 flow [2024-11-22 17:57:16,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:16,207 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:16,207 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:16,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 17:57:16,208 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:16,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:16,208 INFO L85 PathProgramCache]: Analyzing trace with hash 349565981, now seen corresponding path program 1 times [2024-11-22 17:57:16,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:16,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762461126] [2024-11-22 17:57:16,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:16,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:16,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:16,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:16,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762461126] [2024-11-22 17:57:16,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762461126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:16,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:16,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:16,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984147577] [2024-11-22 17:57:16,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:16,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:16,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:16,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:16,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:16,253 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 266 [2024-11-22 17:57:16,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 214 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:16,254 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:16,254 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 266 [2024-11-22 17:57:16,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:16,338 INFO L124 PetriNetUnfolderBase]: 62/985 cut-off events. [2024-11-22 17:57:16,338 INFO L125 PetriNetUnfolderBase]: For 24/28 co-relation queries the response was YES. [2024-11-22 17:57:16,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1266 conditions, 985 events. 62/985 cut-off events. For 24/28 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5805 event pairs, 10 based on Foata normal form. 0/900 useless extension candidates. Maximal degree in co-relation 744. Up to 44 conditions per place. [2024-11-22 17:57:16,342 INFO L140 encePairwiseOnDemand]: 261/266 looper letters, 10 selfloop transitions, 3 changer transitions 0/215 dead transitions. [2024-11-22 17:57:16,342 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 215 transitions, 510 flow [2024-11-22 17:57:16,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:16,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:16,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2024-11-22 17:57:16,344 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.943609022556391 [2024-11-22 17:57:16,344 INFO L175 Difference]: Start difference. First operand has 219 places, 214 transitions, 478 flow. Second operand 3 states and 753 transitions. [2024-11-22 17:57:16,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 215 transitions, 510 flow [2024-11-22 17:57:16,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 215 transitions, 504 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:16,349 INFO L231 Difference]: Finished difference. Result has 218 places, 213 transitions, 483 flow [2024-11-22 17:57:16,350 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=483, PETRI_PLACES=218, PETRI_TRANSITIONS=213} [2024-11-22 17:57:16,350 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -25 predicate places. [2024-11-22 17:57:16,350 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 213 transitions, 483 flow [2024-11-22 17:57:16,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:16,351 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:16,352 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:16,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 17:57:16,352 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:16,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:16,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1064476230, now seen corresponding path program 1 times [2024-11-22 17:57:16,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:16,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67498736] [2024-11-22 17:57:16,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:16,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:16,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:16,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:16,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67498736] [2024-11-22 17:57:16,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67498736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:16,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:16,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:16,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671777545] [2024-11-22 17:57:16,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:16,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:16,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:16,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:16,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:16,412 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 266 [2024-11-22 17:57:16,414 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 213 transitions, 483 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:16,414 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:16,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 266 [2024-11-22 17:57:16,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:16,481 INFO L124 PetriNetUnfolderBase]: 60/811 cut-off events. [2024-11-22 17:57:16,481 INFO L125 PetriNetUnfolderBase]: For 60/68 co-relation queries the response was YES. [2024-11-22 17:57:16,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1082 conditions, 811 events. 60/811 cut-off events. For 60/68 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4064 event pairs, 16 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 669. Up to 76 conditions per place. [2024-11-22 17:57:16,485 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 10 selfloop transitions, 2 changer transitions 0/213 dead transitions. [2024-11-22 17:57:16,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 213 transitions, 508 flow [2024-11-22 17:57:16,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:16,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:16,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 750 transitions. [2024-11-22 17:57:16,488 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9398496240601504 [2024-11-22 17:57:16,488 INFO L175 Difference]: Start difference. First operand has 218 places, 213 transitions, 483 flow. Second operand 3 states and 750 transitions. [2024-11-22 17:57:16,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 213 transitions, 508 flow [2024-11-22 17:57:16,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 213 transitions, 505 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:57:16,492 INFO L231 Difference]: Finished difference. Result has 218 places, 212 transitions, 482 flow [2024-11-22 17:57:16,492 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=218, PETRI_TRANSITIONS=212} [2024-11-22 17:57:16,493 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -25 predicate places. [2024-11-22 17:57:16,493 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 212 transitions, 482 flow [2024-11-22 17:57:16,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:16,494 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:16,494 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:16,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 17:57:16,494 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:16,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:16,495 INFO L85 PathProgramCache]: Analyzing trace with hash -702215671, now seen corresponding path program 1 times [2024-11-22 17:57:16,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:16,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668425343] [2024-11-22 17:57:16,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:16,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:16,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:16,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:16,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668425343] [2024-11-22 17:57:16,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668425343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:16,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:16,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:16,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490634006] [2024-11-22 17:57:16,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:16,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:16,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:16,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:16,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:16,541 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 266 [2024-11-22 17:57:16,542 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 212 transitions, 482 flow. Second operand has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:16,542 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:16,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 266 [2024-11-22 17:57:16,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:16,601 INFO L124 PetriNetUnfolderBase]: 58/877 cut-off events. [2024-11-22 17:57:16,602 INFO L125 PetriNetUnfolderBase]: For 31/39 co-relation queries the response was YES. [2024-11-22 17:57:16,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1135 conditions, 877 events. 58/877 cut-off events. For 31/39 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4636 event pairs, 10 based on Foata normal form. 0/810 useless extension candidates. Maximal degree in co-relation 956. Up to 45 conditions per place. [2024-11-22 17:57:16,605 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 10 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2024-11-22 17:57:16,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 212 transitions, 507 flow [2024-11-22 17:57:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:16,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:16,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 750 transitions. [2024-11-22 17:57:16,607 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9398496240601504 [2024-11-22 17:57:16,607 INFO L175 Difference]: Start difference. First operand has 218 places, 212 transitions, 482 flow. Second operand 3 states and 750 transitions. [2024-11-22 17:57:16,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 212 transitions, 507 flow [2024-11-22 17:57:16,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 212 transitions, 503 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:16,610 INFO L231 Difference]: Finished difference. Result has 217 places, 211 transitions, 480 flow [2024-11-22 17:57:16,611 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=480, PETRI_PLACES=217, PETRI_TRANSITIONS=211} [2024-11-22 17:57:16,611 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -26 predicate places. [2024-11-22 17:57:16,611 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 211 transitions, 480 flow [2024-11-22 17:57:16,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:16,612 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:16,612 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:16,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 17:57:16,612 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:16,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:16,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1453595937, now seen corresponding path program 1 times [2024-11-22 17:57:16,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:16,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412862635] [2024-11-22 17:57:16,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:16,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:16,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:16,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:16,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412862635] [2024-11-22 17:57:16,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412862635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:16,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:16,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:16,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43259210] [2024-11-22 17:57:16,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:16,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:16,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:16,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:16,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:16,674 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 266 [2024-11-22 17:57:16,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 211 transitions, 480 flow. Second operand has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:16,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:16,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 266 [2024-11-22 17:57:16,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:16,736 INFO L124 PetriNetUnfolderBase]: 68/901 cut-off events. [2024-11-22 17:57:16,737 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-22 17:57:16,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1224 conditions, 901 events. 68/901 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5048 event pairs, 24 based on Foata normal form. 0/840 useless extension candidates. Maximal degree in co-relation 1143. Up to 86 conditions per place. [2024-11-22 17:57:16,740 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 14 selfloop transitions, 2 changer transitions 0/211 dead transitions. [2024-11-22 17:57:16,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 211 transitions, 513 flow [2024-11-22 17:57:16,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:16,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:16,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 745 transitions. [2024-11-22 17:57:16,742 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9335839598997494 [2024-11-22 17:57:16,742 INFO L175 Difference]: Start difference. First operand has 217 places, 211 transitions, 480 flow. Second operand 3 states and 745 transitions. [2024-11-22 17:57:16,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 211 transitions, 513 flow [2024-11-22 17:57:16,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 211 transitions, 509 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:16,745 INFO L231 Difference]: Finished difference. Result has 216 places, 210 transitions, 478 flow [2024-11-22 17:57:16,746 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=478, PETRI_PLACES=216, PETRI_TRANSITIONS=210} [2024-11-22 17:57:16,746 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -27 predicate places. [2024-11-22 17:57:16,746 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 210 transitions, 478 flow [2024-11-22 17:57:16,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:16,747 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:16,747 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:16,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 17:57:16,747 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:16,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:16,747 INFO L85 PathProgramCache]: Analyzing trace with hash 432440363, now seen corresponding path program 1 times [2024-11-22 17:57:16,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:16,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621425553] [2024-11-22 17:57:16,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:16,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:16,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:16,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:16,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621425553] [2024-11-22 17:57:16,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621425553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:16,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:16,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:16,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582896972] [2024-11-22 17:57:16,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:16,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:16,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:16,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:16,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:16,790 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 266 [2024-11-22 17:57:16,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 210 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:16,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:16,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 266 [2024-11-22 17:57:16,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:16,846 INFO L124 PetriNetUnfolderBase]: 72/847 cut-off events. [2024-11-22 17:57:16,846 INFO L125 PetriNetUnfolderBase]: For 57/65 co-relation queries the response was YES. [2024-11-22 17:57:16,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1147 conditions, 847 events. 72/847 cut-off events. For 57/65 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4553 event pairs, 24 based on Foata normal form. 0/794 useless extension candidates. Maximal degree in co-relation 804. Up to 95 conditions per place. [2024-11-22 17:57:16,850 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 10 selfloop transitions, 2 changer transitions 1/210 dead transitions. [2024-11-22 17:57:16,850 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 210 transitions, 505 flow [2024-11-22 17:57:16,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:16,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:16,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 751 transitions. [2024-11-22 17:57:16,851 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9411027568922306 [2024-11-22 17:57:16,852 INFO L175 Difference]: Start difference. First operand has 216 places, 210 transitions, 478 flow. Second operand 3 states and 751 transitions. [2024-11-22 17:57:16,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 210 transitions, 505 flow [2024-11-22 17:57:16,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 210 transitions, 501 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:16,854 INFO L231 Difference]: Finished difference. Result has 215 places, 209 transitions, 476 flow [2024-11-22 17:57:16,855 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=215, PETRI_TRANSITIONS=209} [2024-11-22 17:57:16,855 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -28 predicate places. [2024-11-22 17:57:16,856 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 209 transitions, 476 flow [2024-11-22 17:57:16,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:16,857 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:16,857 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:16,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 17:57:16,857 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-22 17:57:16,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:16,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1556478479, now seen corresponding path program 1 times [2024-11-22 17:57:16,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:16,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633987477] [2024-11-22 17:57:16,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:16,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:16,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:16,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633987477] [2024-11-22 17:57:16,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633987477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:16,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:16,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:16,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897418232] [2024-11-22 17:57:16,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:16,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:16,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:16,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:16,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:16,911 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 266 [2024-11-22 17:57:16,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 209 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 248.66666666666666) internal successors, (746), 3 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:16,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:16,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 266 [2024-11-22 17:57:16,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:16,997 INFO L124 PetriNetUnfolderBase]: 66/963 cut-off events. [2024-11-22 17:57:16,997 INFO L125 PetriNetUnfolderBase]: For 46/54 co-relation queries the response was YES. [2024-11-22 17:57:16,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1286 conditions, 963 events. 66/963 cut-off events. For 46/54 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5652 event pairs, 16 based on Foata normal form. 0/906 useless extension candidates. Maximal degree in co-relation 1151. Up to 68 conditions per place. [2024-11-22 17:57:17,000 INFO L140 encePairwiseOnDemand]: 263/266 looper letters, 0 selfloop transitions, 0 changer transitions 209/209 dead transitions. [2024-11-22 17:57:17,000 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 209 transitions, 503 flow [2024-11-22 17:57:17,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:17,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:17,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 751 transitions. [2024-11-22 17:57:17,002 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9411027568922306 [2024-11-22 17:57:17,002 INFO L175 Difference]: Start difference. First operand has 215 places, 209 transitions, 476 flow. Second operand 3 states and 751 transitions. [2024-11-22 17:57:17,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 209 transitions, 503 flow [2024-11-22 17:57:17,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 209 transitions, 499 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:17,004 INFO L231 Difference]: Finished difference. Result has 214 places, 0 transitions, 0 flow [2024-11-22 17:57:17,005 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=214, PETRI_TRANSITIONS=0} [2024-11-22 17:57:17,005 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -29 predicate places. [2024-11-22 17:57:17,005 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 0 transitions, 0 flow [2024-11-22 17:57:17,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.66666666666666) internal successors, (746), 3 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:17,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (54 of 55 remaining) [2024-11-22 17:57:17,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (53 of 55 remaining) [2024-11-22 17:57:17,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (52 of 55 remaining) [2024-11-22 17:57:17,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (51 of 55 remaining) [2024-11-22 17:57:17,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (50 of 55 remaining) [2024-11-22 17:57:17,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (49 of 55 remaining) [2024-11-22 17:57:17,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 55 remaining) [2024-11-22 17:57:17,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (47 of 55 remaining) [2024-11-22 17:57:17,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (46 of 55 remaining) [2024-11-22 17:57:17,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (45 of 55 remaining) [2024-11-22 17:57:17,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (44 of 55 remaining) [2024-11-22 17:57:17,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 55 remaining) [2024-11-22 17:57:17,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 55 remaining) [2024-11-22 17:57:17,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 55 remaining) [2024-11-22 17:57:17,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 55 remaining) [2024-11-22 17:57:17,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 55 remaining) [2024-11-22 17:57:17,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (38 of 55 remaining) [2024-11-22 17:57:17,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (37 of 55 remaining) [2024-11-22 17:57:17,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (36 of 55 remaining) [2024-11-22 17:57:17,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (35 of 55 remaining) [2024-11-22 17:57:17,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (34 of 55 remaining) [2024-11-22 17:57:17,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (33 of 55 remaining) [2024-11-22 17:57:17,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (32 of 55 remaining) [2024-11-22 17:57:17,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (31 of 55 remaining) [2024-11-22 17:57:17,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (30 of 55 remaining) [2024-11-22 17:57:17,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (29 of 55 remaining) [2024-11-22 17:57:17,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (28 of 55 remaining) [2024-11-22 17:57:17,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (27 of 55 remaining) [2024-11-22 17:57:17,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (26 of 55 remaining) [2024-11-22 17:57:17,011 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (25 of 55 remaining) [2024-11-22 17:57:17,011 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (24 of 55 remaining) [2024-11-22 17:57:17,011 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (23 of 55 remaining) [2024-11-22 17:57:17,011 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (22 of 55 remaining) [2024-11-22 17:57:17,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (21 of 55 remaining) [2024-11-22 17:57:17,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (20 of 55 remaining) [2024-11-22 17:57:17,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 55 remaining) [2024-11-22 17:57:17,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 55 remaining) [2024-11-22 17:57:17,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 55 remaining) [2024-11-22 17:57:17,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 55 remaining) [2024-11-22 17:57:17,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 55 remaining) [2024-11-22 17:57:17,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 55 remaining) [2024-11-22 17:57:17,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (13 of 55 remaining) [2024-11-22 17:57:17,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 55 remaining) [2024-11-22 17:57:17,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (11 of 55 remaining) [2024-11-22 17:57:17,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (10 of 55 remaining) [2024-11-22 17:57:17,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (9 of 55 remaining) [2024-11-22 17:57:17,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (8 of 55 remaining) [2024-11-22 17:57:17,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (7 of 55 remaining) [2024-11-22 17:57:17,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 55 remaining) [2024-11-22 17:57:17,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 55 remaining) [2024-11-22 17:57:17,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (4 of 55 remaining) [2024-11-22 17:57:17,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 55 remaining) [2024-11-22 17:57:17,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (2 of 55 remaining) [2024-11-22 17:57:17,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 55 remaining) [2024-11-22 17:57:17,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (0 of 55 remaining) [2024-11-22 17:57:17,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 17:57:17,014 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:17,018 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:57:17,019 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:57:17,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:57:17 BasicIcfg [2024-11-22 17:57:17,023 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:57:17,023 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:57:17,023 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:57:17,023 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:57:17,024 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:57:14" (3/4) ... [2024-11-22 17:57:17,025 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 17:57:17,027 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-22 17:57:17,027 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-22 17:57:17,032 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-22 17:57:17,032 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 17:57:17,032 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 17:57:17,032 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 17:57:17,108 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:57:17,111 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 17:57:17,111 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:57:17,112 INFO L158 Benchmark]: Toolchain (without parser) took 3781.36ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 113.6MB in the beginning and 141.8MB in the end (delta: -28.1MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2024-11-22 17:57:17,112 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:57:17,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.26ms. Allocated memory is still 155.2MB. Free memory was 113.2MB in the beginning and 100.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 17:57:17,112 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.62ms. Allocated memory is still 155.2MB. Free memory was 100.0MB in the beginning and 98.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:57:17,112 INFO L158 Benchmark]: Boogie Preprocessor took 23.62ms. Allocated memory is still 155.2MB. Free memory was 98.0MB in the beginning and 96.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:57:17,112 INFO L158 Benchmark]: RCFGBuilder took 516.02ms. Allocated memory is still 155.2MB. Free memory was 96.4MB in the beginning and 112.7MB in the end (delta: -16.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 17:57:17,113 INFO L158 Benchmark]: TraceAbstraction took 2910.92ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 112.2MB in the beginning and 148.1MB in the end (delta: -35.8MB). Peak memory consumption was 124.3MB. Max. memory is 16.1GB. [2024-11-22 17:57:17,113 INFO L158 Benchmark]: Witness Printer took 88.19ms. Allocated memory is still 224.4MB. Free memory was 147.0MB in the beginning and 141.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 17:57:17,114 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.26ms. Allocated memory is still 155.2MB. Free memory was 113.2MB in the beginning and 100.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.62ms. Allocated memory is still 155.2MB. Free memory was 100.0MB in the beginning and 98.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.62ms. Allocated memory is still 155.2MB. Free memory was 98.0MB in the beginning and 96.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 516.02ms. Allocated memory is still 155.2MB. Free memory was 96.4MB in the beginning and 112.7MB in the end (delta: -16.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2910.92ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 112.2MB in the beginning and 148.1MB in the end (delta: -35.8MB). Peak memory consumption was 124.3MB. Max. memory is 16.1GB. * Witness Printer took 88.19ms. Allocated memory is still 224.4MB. Free memory was 147.0MB in the beginning and 141.8MB 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: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 348 locations, 55 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: 2.8s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 640 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 197 mSDsluCounter, 82 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 610 IncrementalHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 82 mSDtfsCounter, 610 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=506occurred in iteration=0, InterpolantAutomatonStates: 60, 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, 0.5s InterpolantComputationTime, 1700 NumberOfCodeBlocks, 1700 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1680 ConstructedInterpolants, 0 QuantifiedInterpolants, 1720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-22 17:57:17,130 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