./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-simpl-str-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-simpl-str-trans.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 f7b74cf7a2419cab3ab4545eb4bb4cb738b0dd565da7b17a0ca0e4253475f1b6 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:53:31,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:53:31,591 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:53:31,596 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:53:31,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:53:31,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:53:31,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:53:31,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:53:31,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:53:31,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:53:31,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:53:31,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:53:31,629 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:53:31,629 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:53:31,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:53:31,630 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:53:31,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:53:31,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:53:31,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:53:31,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:53:31,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:53:31,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:53:31,636 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:53:31,636 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:53:31,636 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:53:31,636 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:53:31,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:53:31,636 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:53:31,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:53:31,637 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:53:31,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:53:31,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:53:31,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:53:31,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:53:31,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:53:31,638 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:53:31,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:53:31,638 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:53:31,638 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:53:31,638 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:53:31,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:53:31,642 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7b74cf7a2419cab3ab4545eb4bb4cb738b0dd565da7b17a0ca0e4253475f1b6 [2024-11-20 13:53:31,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:53:31,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:53:31,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:53:31,844 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:53:31,844 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:53:31,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-simpl-str-trans.wvr.c [2024-11-20 13:53:33,123 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:53:33,282 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:53:33,282 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-simpl-str-trans.wvr.c [2024-11-20 13:53:33,289 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55e074815/11bd9e9f077647a2968f4d83944bc26e/FLAGbbb6b1acc [2024-11-20 13:53:33,300 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55e074815/11bd9e9f077647a2968f4d83944bc26e [2024-11-20 13:53:33,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:53:33,304 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:53:33,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:53:33,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:53:33,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:53:33,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:53:33" (1/1) ... [2024-11-20 13:53:33,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@226413fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:33, skipping insertion in model container [2024-11-20 13:53:33,311 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:53:33" (1/1) ... [2024-11-20 13:53:33,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:53:33,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:53:33,498 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:53:33,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:53:33,529 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:53:33,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:33 WrapperNode [2024-11-20 13:53:33,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:53:33,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:53:33,531 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:53:33,531 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:53:33,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:33" (1/1) ... [2024-11-20 13:53:33,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:33" (1/1) ... [2024-11-20 13:53:33,574 INFO L138 Inliner]: procedures = 22, calls = 16, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 235 [2024-11-20 13:53:33,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:53:33,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:53:33,576 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:53:33,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:53:33,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:33" (1/1) ... [2024-11-20 13:53:33,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:33" (1/1) ... [2024-11-20 13:53:33,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:33" (1/1) ... [2024-11-20 13:53:33,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:33" (1/1) ... [2024-11-20 13:53:33,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:33" (1/1) ... [2024-11-20 13:53:33,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:33" (1/1) ... [2024-11-20 13:53:33,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:33" (1/1) ... [2024-11-20 13:53:33,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:33" (1/1) ... [2024-11-20 13:53:33,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:53:33,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:53:33,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:53:33,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:53:33,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:33" (1/1) ... [2024-11-20 13:53:33,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:53:33,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:53:33,707 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) [2024-11-20 13:53:33,711 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 [2024-11-20 13:53:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:53:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-20 13:53:33,754 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-20 13:53:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-20 13:53:33,755 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-20 13:53:33,755 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-20 13:53:33,755 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-20 13:53:33,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:53:33,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:53:33,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:53:33,757 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 13:53:33,875 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:53:33,877 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:53:34,219 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:53:34,220 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:53:34,245 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:53:34,246 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 13:53:34,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:53:34 BoogieIcfgContainer [2024-11-20 13:53:34,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:53:34,248 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:53:34,249 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:53:34,251 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:53:34,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:53:33" (1/3) ... [2024-11-20 13:53:34,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e06bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:53:34, skipping insertion in model container [2024-11-20 13:53:34,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:33" (2/3) ... [2024-11-20 13:53:34,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e06bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:53:34, skipping insertion in model container [2024-11-20 13:53:34,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:53:34" (3/3) ... [2024-11-20 13:53:34,254 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-trans.wvr.c [2024-11-20 13:53:34,267 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:53:34,268 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2024-11-20 13:53:34,268 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:53:34,368 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-20 13:53:34,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 311 places, 316 transitions, 653 flow [2024-11-20 13:53:34,492 INFO L124 PetriNetUnfolderBase]: 15/313 cut-off events. [2024-11-20 13:53:34,493 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-20 13:53:34,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 313 events. 15/313 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 739 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 215. Up to 2 conditions per place. [2024-11-20 13:53:34,505 INFO L82 GeneralOperation]: Start removeDead. Operand has 311 places, 316 transitions, 653 flow [2024-11-20 13:53:34,515 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 289 places, 292 transitions, 602 flow [2024-11-20 13:53:34,525 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:53:34,531 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;@4ade8812, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:53:34,531 INFO L334 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2024-11-20 13:53:34,535 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:53:34,536 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-20 13:53:34,536 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:53:34,536 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:34,536 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:34,537 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-20 13:53:34,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:34,541 INFO L85 PathProgramCache]: Analyzing trace with hash -67802981, now seen corresponding path program 1 times [2024-11-20 13:53:34,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:34,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998315105] [2024-11-20 13:53:34,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:34,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:34,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:34,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:34,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998315105] [2024-11-20 13:53:34,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998315105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:34,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:34,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:34,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428965954] [2024-11-20 13:53:34,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:34,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:34,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:34,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:34,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:34,734 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 316 [2024-11-20 13:53:34,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 292 transitions, 602 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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) [2024-11-20 13:53:34,738 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:34,738 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 316 [2024-11-20 13:53:34,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:34,840 INFO L124 PetriNetUnfolderBase]: 18/466 cut-off events. [2024-11-20 13:53:34,841 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-20 13:53:34,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 509 conditions, 466 events. 18/466 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2026 event pairs, 5 based on Foata normal form. 18/414 useless extension candidates. Maximal degree in co-relation 386. Up to 22 conditions per place. [2024-11-20 13:53:34,847 INFO L140 encePairwiseOnDemand]: 307/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-20 13:53:34,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 285 transitions, 614 flow [2024-11-20 13:53:34,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:34,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 899 transitions. [2024-11-20 13:53:34,860 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9483122362869199 [2024-11-20 13:53:34,862 INFO L175 Difference]: Start difference. First operand has 289 places, 292 transitions, 602 flow. Second operand 3 states and 899 transitions. [2024-11-20 13:53:34,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 285 transitions, 614 flow [2024-11-20 13:53:34,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 285 transitions, 602 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-20 13:53:34,869 INFO L231 Difference]: Finished difference. Result has 284 places, 285 transitions, 580 flow [2024-11-20 13:53:34,871 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=580, PETRI_PLACES=284, PETRI_TRANSITIONS=285} [2024-11-20 13:53:34,874 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -5 predicate places. [2024-11-20 13:53:34,875 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 285 transitions, 580 flow [2024-11-20 13:53:34,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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) [2024-11-20 13:53:34,875 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:34,875 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:34,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:53:34,876 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-20 13:53:34,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:34,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1671178864, now seen corresponding path program 1 times [2024-11-20 13:53:34,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:34,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901435112] [2024-11-20 13:53:34,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:34,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:34,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:34,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:34,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901435112] [2024-11-20 13:53:34,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901435112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:34,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:34,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:34,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919192872] [2024-11-20 13:53:34,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:34,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:34,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:34,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:34,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:34,937 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 316 [2024-11-20 13:53:34,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 285 transitions, 580 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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) [2024-11-20 13:53:34,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:34,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 316 [2024-11-20 13:53:34,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:34,994 INFO L124 PetriNetUnfolderBase]: 16/418 cut-off events. [2024-11-20 13:53:34,994 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-20 13:53:34,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 418 events. 16/418 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1709 event pairs, 5 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 417. Up to 22 conditions per place. [2024-11-20 13:53:34,999 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/284 dead transitions. [2024-11-20 13:53:34,999 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 284 transitions, 604 flow [2024-11-20 13:53:34,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:34,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:35,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 893 transitions. [2024-11-20 13:53:35,001 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419831223628692 [2024-11-20 13:53:35,001 INFO L175 Difference]: Start difference. First operand has 284 places, 285 transitions, 580 flow. Second operand 3 states and 893 transitions. [2024-11-20 13:53:35,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 284 transitions, 604 flow [2024-11-20 13:53:35,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 284 transitions, 600 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:35,007 INFO L231 Difference]: Finished difference. Result has 283 places, 284 transitions, 578 flow [2024-11-20 13:53:35,008 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=578, PETRI_PLACES=283, PETRI_TRANSITIONS=284} [2024-11-20 13:53:35,009 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -6 predicate places. [2024-11-20 13:53:35,009 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 284 transitions, 578 flow [2024-11-20 13:53:35,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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) [2024-11-20 13:53:35,009 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:35,010 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:35,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:53:35,010 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-20 13:53:35,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:35,011 INFO L85 PathProgramCache]: Analyzing trace with hash 208543711, now seen corresponding path program 1 times [2024-11-20 13:53:35,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:35,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483911769] [2024-11-20 13:53:35,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:35,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:35,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:35,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:35,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483911769] [2024-11-20 13:53:35,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483911769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:35,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:35,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:35,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157742011] [2024-11-20 13:53:35,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:35,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:35,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:35,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:35,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:35,093 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 316 [2024-11-20 13:53:35,094 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 284 transitions, 578 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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) [2024-11-20 13:53:35,095 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:35,095 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 316 [2024-11-20 13:53:35,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:35,201 INFO L124 PetriNetUnfolderBase]: 33/686 cut-off events. [2024-11-20 13:53:35,203 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-20 13:53:35,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 686 events. 33/686 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3699 event pairs, 12 based on Foata normal form. 0/582 useless extension candidates. Maximal degree in co-relation 695. Up to 35 conditions per place. [2024-11-20 13:53:35,209 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 12 selfloop transitions, 2 changer transitions 0/283 dead transitions. [2024-11-20 13:53:35,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 283 transitions, 604 flow [2024-11-20 13:53:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:35,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:35,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 891 transitions. [2024-11-20 13:53:35,212 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.939873417721519 [2024-11-20 13:53:35,212 INFO L175 Difference]: Start difference. First operand has 283 places, 284 transitions, 578 flow. Second operand 3 states and 891 transitions. [2024-11-20 13:53:35,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 283 transitions, 604 flow [2024-11-20 13:53:35,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 283 transitions, 600 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:35,216 INFO L231 Difference]: Finished difference. Result has 282 places, 283 transitions, 576 flow [2024-11-20 13:53:35,216 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=282, PETRI_TRANSITIONS=283} [2024-11-20 13:53:35,217 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -7 predicate places. [2024-11-20 13:53:35,218 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 283 transitions, 576 flow [2024-11-20 13:53:35,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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) [2024-11-20 13:53:35,218 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:35,219 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:35,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:53:35,219 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-20 13:53:35,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:35,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1053107671, now seen corresponding path program 1 times [2024-11-20 13:53:35,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:35,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922414095] [2024-11-20 13:53:35,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:35,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:35,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:35,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:35,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922414095] [2024-11-20 13:53:35,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922414095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:35,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:35,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:35,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052033240] [2024-11-20 13:53:35,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:35,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:35,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:35,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:35,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:35,305 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 316 [2024-11-20 13:53:35,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 283 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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) [2024-11-20 13:53:35,307 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:35,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 316 [2024-11-20 13:53:35,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:35,376 INFO L124 PetriNetUnfolderBase]: 22/541 cut-off events. [2024-11-20 13:53:35,376 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-20 13:53:35,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 579 conditions, 541 events. 22/541 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2512 event pairs, 7 based on Foata normal form. 0/463 useless extension candidates. Maximal degree in co-relation 529. Up to 25 conditions per place. [2024-11-20 13:53:35,381 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2024-11-20 13:53:35,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 282 transitions, 600 flow [2024-11-20 13:53:35,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:35,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:35,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 893 transitions. [2024-11-20 13:53:35,384 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419831223628692 [2024-11-20 13:53:35,384 INFO L175 Difference]: Start difference. First operand has 282 places, 283 transitions, 576 flow. Second operand 3 states and 893 transitions. [2024-11-20 13:53:35,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 282 transitions, 600 flow [2024-11-20 13:53:35,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 282 transitions, 596 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:35,388 INFO L231 Difference]: Finished difference. Result has 281 places, 282 transitions, 574 flow [2024-11-20 13:53:35,388 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=574, PETRI_PLACES=281, PETRI_TRANSITIONS=282} [2024-11-20 13:53:35,390 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -8 predicate places. [2024-11-20 13:53:35,390 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 282 transitions, 574 flow [2024-11-20 13:53:35,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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) [2024-11-20 13:53:35,391 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:35,391 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:35,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 13:53:35,391 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-20 13:53:35,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:35,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1357901507, now seen corresponding path program 1 times [2024-11-20 13:53:35,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:35,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362452666] [2024-11-20 13:53:35,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:35,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:35,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:35,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:35,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362452666] [2024-11-20 13:53:35,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362452666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:35,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:35,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:35,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128002599] [2024-11-20 13:53:35,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:35,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:35,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:35,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:35,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:35,475 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 316 [2024-11-20 13:53:35,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 282 transitions, 574 flow. Second operand has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 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) [2024-11-20 13:53:35,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:35,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 316 [2024-11-20 13:53:35,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:35,572 INFO L124 PetriNetUnfolderBase]: 43/725 cut-off events. [2024-11-20 13:53:35,572 INFO L125 PetriNetUnfolderBase]: For 13/17 co-relation queries the response was YES. [2024-11-20 13:53:35,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 725 events. 43/725 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3764 event pairs, 20 based on Foata normal form. 0/621 useless extension candidates. Maximal degree in co-relation 728. Up to 50 conditions per place. [2024-11-20 13:53:35,579 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 13 selfloop transitions, 2 changer transitions 0/281 dead transitions. [2024-11-20 13:53:35,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 281 transitions, 602 flow [2024-11-20 13:53:35,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:35,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:35,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 889 transitions. [2024-11-20 13:53:35,582 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9377637130801688 [2024-11-20 13:53:35,582 INFO L175 Difference]: Start difference. First operand has 281 places, 282 transitions, 574 flow. Second operand 3 states and 889 transitions. [2024-11-20 13:53:35,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 281 transitions, 602 flow [2024-11-20 13:53:35,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 281 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:35,587 INFO L231 Difference]: Finished difference. Result has 280 places, 281 transitions, 572 flow [2024-11-20 13:53:35,588 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=572, PETRI_PLACES=280, PETRI_TRANSITIONS=281} [2024-11-20 13:53:35,590 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -9 predicate places. [2024-11-20 13:53:35,590 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 281 transitions, 572 flow [2024-11-20 13:53:35,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 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) [2024-11-20 13:53:35,591 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:35,592 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] [2024-11-20 13:53:35,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 13:53:35,592 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-20 13:53:35,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:35,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1198956156, now seen corresponding path program 1 times [2024-11-20 13:53:35,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:35,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040923522] [2024-11-20 13:53:35,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:35,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:35,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:35,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:35,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040923522] [2024-11-20 13:53:35,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040923522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:35,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:35,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:35,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637391101] [2024-11-20 13:53:35,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:35,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:35,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:35,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:35,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:35,665 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 316 [2024-11-20 13:53:35,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 281 transitions, 572 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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) [2024-11-20 13:53:35,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:35,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 316 [2024-11-20 13:53:35,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:35,713 INFO L124 PetriNetUnfolderBase]: 16/353 cut-off events. [2024-11-20 13:53:35,714 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2024-11-20 13:53:35,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 353 events. 16/353 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1262 event pairs, 7 based on Foata normal form. 0/309 useless extension candidates. Maximal degree in co-relation 322. Up to 25 conditions per place. [2024-11-20 13:53:35,717 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/280 dead transitions. [2024-11-20 13:53:35,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 280 transitions, 596 flow [2024-11-20 13:53:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:35,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:35,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 893 transitions. [2024-11-20 13:53:35,719 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419831223628692 [2024-11-20 13:53:35,719 INFO L175 Difference]: Start difference. First operand has 280 places, 281 transitions, 572 flow. Second operand 3 states and 893 transitions. [2024-11-20 13:53:35,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 280 transitions, 596 flow [2024-11-20 13:53:35,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 280 transitions, 592 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:35,723 INFO L231 Difference]: Finished difference. Result has 279 places, 280 transitions, 570 flow [2024-11-20 13:53:35,723 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=570, PETRI_PLACES=279, PETRI_TRANSITIONS=280} [2024-11-20 13:53:35,724 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -10 predicate places. [2024-11-20 13:53:35,724 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 280 transitions, 570 flow [2024-11-20 13:53:35,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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) [2024-11-20 13:53:35,724 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:35,725 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] [2024-11-20 13:53:35,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 13:53:35,725 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-20 13:53:35,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:35,725 INFO L85 PathProgramCache]: Analyzing trace with hash -231153523, now seen corresponding path program 1 times [2024-11-20 13:53:35,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:35,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174916469] [2024-11-20 13:53:35,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:35,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:35,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:35,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:35,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174916469] [2024-11-20 13:53:35,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174916469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:35,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:35,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:35,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471407116] [2024-11-20 13:53:35,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:35,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:35,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:35,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:35,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:35,767 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 316 [2024-11-20 13:53:35,768 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 280 transitions, 570 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2024-11-20 13:53:35,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:35,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 316 [2024-11-20 13:53:35,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:35,837 INFO L124 PetriNetUnfolderBase]: 33/699 cut-off events. [2024-11-20 13:53:35,837 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-20 13:53:35,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 699 events. 33/699 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3907 event pairs, 8 based on Foata normal form. 0/600 useless extension candidates. Maximal degree in co-relation 672. Up to 31 conditions per place. [2024-11-20 13:53:35,844 INFO L140 encePairwiseOnDemand]: 312/316 looper letters, 13 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2024-11-20 13:53:35,844 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 282 transitions, 606 flow [2024-11-20 13:53:35,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:35,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:35,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2024-11-20 13:53:35,846 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9514767932489452 [2024-11-20 13:53:35,846 INFO L175 Difference]: Start difference. First operand has 279 places, 280 transitions, 570 flow. Second operand 3 states and 902 transitions. [2024-11-20 13:53:35,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 282 transitions, 606 flow [2024-11-20 13:53:35,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 282 transitions, 602 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:35,850 INFO L231 Difference]: Finished difference. Result has 278 places, 280 transitions, 576 flow [2024-11-20 13:53:35,850 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=278, PETRI_TRANSITIONS=280} [2024-11-20 13:53:35,850 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-11-20 13:53:35,851 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 280 transitions, 576 flow [2024-11-20 13:53:35,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2024-11-20 13:53:35,851 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:35,852 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] [2024-11-20 13:53:35,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 13:53:35,852 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-20 13:53:35,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:35,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1461307220, now seen corresponding path program 1 times [2024-11-20 13:53:35,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:35,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104962872] [2024-11-20 13:53:35,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:35,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:35,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:35,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:35,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104962872] [2024-11-20 13:53:35,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104962872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:35,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:35,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:35,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019546094] [2024-11-20 13:53:35,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:35,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:35,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:35,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:35,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:35,911 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 316 [2024-11-20 13:53:35,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 280 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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) [2024-11-20 13:53:35,912 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:35,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 316 [2024-11-20 13:53:35,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:35,994 INFO L124 PetriNetUnfolderBase]: 70/1041 cut-off events. [2024-11-20 13:53:35,995 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-20 13:53:35,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1148 conditions, 1041 events. 70/1041 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 7322 event pairs, 10 based on Foata normal form. 0/897 useless extension candidates. Maximal degree in co-relation 1005. Up to 73 conditions per place. [2024-11-20 13:53:36,003 INFO L140 encePairwiseOnDemand]: 310/316 looper letters, 15 selfloop transitions, 3 changer transitions 0/282 dead transitions. [2024-11-20 13:53:36,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 282 transitions, 618 flow [2024-11-20 13:53:36,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:36,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:36,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 897 transitions. [2024-11-20 13:53:36,005 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9462025316455697 [2024-11-20 13:53:36,006 INFO L175 Difference]: Start difference. First operand has 278 places, 280 transitions, 576 flow. Second operand 3 states and 897 transitions. [2024-11-20 13:53:36,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 282 transitions, 618 flow [2024-11-20 13:53:36,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 282 transitions, 618 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:53:36,009 INFO L231 Difference]: Finished difference. Result has 278 places, 280 transitions, 591 flow [2024-11-20 13:53:36,009 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=591, PETRI_PLACES=278, PETRI_TRANSITIONS=280} [2024-11-20 13:53:36,010 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-11-20 13:53:36,010 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 280 transitions, 591 flow [2024-11-20 13:53:36,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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) [2024-11-20 13:53:36,011 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:36,011 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] [2024-11-20 13:53:36,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 13:53:36,011 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-20 13:53:36,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:36,011 INFO L85 PathProgramCache]: Analyzing trace with hash 15464438, now seen corresponding path program 1 times [2024-11-20 13:53:36,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:36,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097357156] [2024-11-20 13:53:36,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:36,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:36,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:36,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:36,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097357156] [2024-11-20 13:53:36,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097357156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:36,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:36,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:36,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504734011] [2024-11-20 13:53:36,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:36,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:36,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:36,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:36,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:36,054 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 316 [2024-11-20 13:53:36,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 280 transitions, 591 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2024-11-20 13:53:36,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:36,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 316 [2024-11-20 13:53:36,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:36,135 INFO L124 PetriNetUnfolderBase]: 31/808 cut-off events. [2024-11-20 13:53:36,135 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2024-11-20 13:53:36,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 880 conditions, 808 events. 31/808 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4380 event pairs, 2 based on Foata normal form. 0/718 useless extension candidates. Maximal degree in co-relation 723. Up to 38 conditions per place. [2024-11-20 13:53:36,144 INFO L140 encePairwiseOnDemand]: 312/316 looper letters, 16 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-20 13:53:36,144 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 285 transitions, 642 flow [2024-11-20 13:53:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:36,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:36,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-20 13:53:36,165 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9546413502109705 [2024-11-20 13:53:36,165 INFO L175 Difference]: Start difference. First operand has 278 places, 280 transitions, 591 flow. Second operand 3 states and 905 transitions. [2024-11-20 13:53:36,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 285 transitions, 642 flow [2024-11-20 13:53:36,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 285 transitions, 642 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:53:36,168 INFO L231 Difference]: Finished difference. Result has 279 places, 280 transitions, 601 flow [2024-11-20 13:53:36,169 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=587, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=279, PETRI_TRANSITIONS=280} [2024-11-20 13:53:36,169 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -10 predicate places. [2024-11-20 13:53:36,170 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 280 transitions, 601 flow [2024-11-20 13:53:36,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2024-11-20 13:53:36,170 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:36,170 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] [2024-11-20 13:53:36,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 13:53:36,171 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-20 13:53:36,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:36,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1976446874, now seen corresponding path program 1 times [2024-11-20 13:53:36,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:36,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870290119] [2024-11-20 13:53:36,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:36,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:36,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:36,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:36,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870290119] [2024-11-20 13:53:36,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870290119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:36,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:36,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:36,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983049020] [2024-11-20 13:53:36,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:36,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:36,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:36,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:36,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:36,211 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 316 [2024-11-20 13:53:36,212 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 280 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2024-11-20 13:53:36,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:36,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 316 [2024-11-20 13:53:36,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:36,328 INFO L124 PetriNetUnfolderBase]: 43/1127 cut-off events. [2024-11-20 13:53:36,328 INFO L125 PetriNetUnfolderBase]: For 9/21 co-relation queries the response was YES. [2024-11-20 13:53:36,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1245 conditions, 1127 events. 43/1127 cut-off events. For 9/21 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7426 event pairs, 6 based on Foata normal form. 1/1006 useless extension candidates. Maximal degree in co-relation 1087. Up to 64 conditions per place. [2024-11-20 13:53:36,340 INFO L140 encePairwiseOnDemand]: 312/316 looper letters, 16 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-20 13:53:36,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 285 transitions, 652 flow [2024-11-20 13:53:36,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:36,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:36,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-20 13:53:36,342 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9546413502109705 [2024-11-20 13:53:36,342 INFO L175 Difference]: Start difference. First operand has 279 places, 280 transitions, 601 flow. Second operand 3 states and 905 transitions. [2024-11-20 13:53:36,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 285 transitions, 652 flow [2024-11-20 13:53:36,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 285 transitions, 652 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:53:36,346 INFO L231 Difference]: Finished difference. Result has 280 places, 280 transitions, 611 flow [2024-11-20 13:53:36,346 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=611, PETRI_PLACES=280, PETRI_TRANSITIONS=280} [2024-11-20 13:53:36,346 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -9 predicate places. [2024-11-20 13:53:36,347 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 280 transitions, 611 flow [2024-11-20 13:53:36,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2024-11-20 13:53:36,347 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:36,348 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] [2024-11-20 13:53:36,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 13:53:36,348 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-20 13:53:36,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:36,348 INFO L85 PathProgramCache]: Analyzing trace with hash -713034984, now seen corresponding path program 1 times [2024-11-20 13:53:36,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:36,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548212171] [2024-11-20 13:53:36,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:36,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:36,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:36,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:36,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548212171] [2024-11-20 13:53:36,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548212171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:36,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:36,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:36,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993504858] [2024-11-20 13:53:36,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:36,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:36,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:36,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:36,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:36,386 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 316 [2024-11-20 13:53:36,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 280 transitions, 611 flow. Second operand has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 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) [2024-11-20 13:53:36,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:36,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 316 [2024-11-20 13:53:36,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:36,510 INFO L124 PetriNetUnfolderBase]: 38/965 cut-off events. [2024-11-20 13:53:36,511 INFO L125 PetriNetUnfolderBase]: For 6/35 co-relation queries the response was YES. [2024-11-20 13:53:36,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1091 conditions, 965 events. 38/965 cut-off events. For 6/35 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 5803 event pairs, 8 based on Foata normal form. 4/859 useless extension candidates. Maximal degree in co-relation 933. Up to 38 conditions per place. [2024-11-20 13:53:36,519 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/281 dead transitions. [2024-11-20 13:53:36,520 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 281 transitions, 641 flow [2024-11-20 13:53:36,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:36,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:36,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2024-11-20 13:53:36,522 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9514767932489452 [2024-11-20 13:53:36,522 INFO L175 Difference]: Start difference. First operand has 280 places, 280 transitions, 611 flow. Second operand 3 states and 902 transitions. [2024-11-20 13:53:36,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 281 transitions, 641 flow [2024-11-20 13:53:36,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 281 transitions, 641 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:53:36,525 INFO L231 Difference]: Finished difference. Result has 281 places, 279 transitions, 613 flow [2024-11-20 13:53:36,526 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=613, PETRI_PLACES=281, PETRI_TRANSITIONS=279} [2024-11-20 13:53:36,526 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -8 predicate places. [2024-11-20 13:53:36,527 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 279 transitions, 613 flow [2024-11-20 13:53:36,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 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) [2024-11-20 13:53:36,527 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:36,527 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] [2024-11-20 13:53:36,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 13:53:36,528 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-20 13:53:36,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:36,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1229713910, now seen corresponding path program 1 times [2024-11-20 13:53:36,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:36,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459224349] [2024-11-20 13:53:36,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:36,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:36,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:36,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:36,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459224349] [2024-11-20 13:53:36,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459224349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:36,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:36,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:36,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805598401] [2024-11-20 13:53:36,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:36,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:36,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:36,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:36,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:36,570 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 316 [2024-11-20 13:53:36,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 279 transitions, 613 flow. Second operand has 3 states, 3 states have (on average 290.6666666666667) internal successors, (872), 3 states have internal predecessors, (872), 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) [2024-11-20 13:53:36,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:36,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 316 [2024-11-20 13:53:36,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:36,869 INFO L124 PetriNetUnfolderBase]: 240/3552 cut-off events. [2024-11-20 13:53:36,870 INFO L125 PetriNetUnfolderBase]: For 69/81 co-relation queries the response was YES. [2024-11-20 13:53:36,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4040 conditions, 3552 events. 240/3552 cut-off events. For 69/81 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 35374 event pairs, 60 based on Foata normal form. 1/3163 useless extension candidates. Maximal degree in co-relation 3454. Up to 331 conditions per place. [2024-11-20 13:53:36,892 INFO L140 encePairwiseOnDemand]: 308/316 looper letters, 17 selfloop transitions, 4 changer transitions 0/281 dead transitions. [2024-11-20 13:53:36,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 281 transitions, 661 flow [2024-11-20 13:53:36,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:36,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:36,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 892 transitions. [2024-11-20 13:53:36,894 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9409282700421941 [2024-11-20 13:53:36,894 INFO L175 Difference]: Start difference. First operand has 281 places, 279 transitions, 613 flow. Second operand 3 states and 892 transitions. [2024-11-20 13:53:36,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 281 transitions, 661 flow [2024-11-20 13:53:36,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 281 transitions, 657 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:36,898 INFO L231 Difference]: Finished difference. Result has 278 places, 279 transitions, 629 flow [2024-11-20 13:53:36,898 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=629, PETRI_PLACES=278, PETRI_TRANSITIONS=279} [2024-11-20 13:53:36,899 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-11-20 13:53:36,899 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 279 transitions, 629 flow [2024-11-20 13:53:36,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.6666666666667) internal successors, (872), 3 states have internal predecessors, (872), 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) [2024-11-20 13:53:36,899 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:36,899 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] [2024-11-20 13:53:36,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 13:53:36,900 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-20 13:53:36,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:36,900 INFO L85 PathProgramCache]: Analyzing trace with hash -559817681, now seen corresponding path program 1 times [2024-11-20 13:53:36,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:36,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392854785] [2024-11-20 13:53:36,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:36,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:36,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:36,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:36,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392854785] [2024-11-20 13:53:36,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392854785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:36,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:36,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:36,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262124442] [2024-11-20 13:53:36,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:36,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:36,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:36,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:36,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:36,948 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 316 [2024-11-20 13:53:36,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 279 transitions, 629 flow. Second operand has 3 states, 3 states have (on average 296.6666666666667) internal successors, (890), 3 states have internal predecessors, (890), 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) [2024-11-20 13:53:36,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:36,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 316 [2024-11-20 13:53:36,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:37,209 INFO L124 PetriNetUnfolderBase]: 115/2657 cut-off events. [2024-11-20 13:53:37,210 INFO L125 PetriNetUnfolderBase]: For 36/42 co-relation queries the response was YES. [2024-11-20 13:53:37,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2959 conditions, 2657 events. 115/2657 cut-off events. For 36/42 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 23788 event pairs, 14 based on Foata normal form. 0/2401 useless extension candidates. Maximal degree in co-relation 2527. Up to 168 conditions per place. [2024-11-20 13:53:37,234 INFO L140 encePairwiseOnDemand]: 312/316 looper letters, 15 selfloop transitions, 2 changer transitions 0/283 dead transitions. [2024-11-20 13:53:37,234 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 283 transitions, 675 flow [2024-11-20 13:53:37,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:37,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:37,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2024-11-20 13:53:37,236 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9535864978902954 [2024-11-20 13:53:37,237 INFO L175 Difference]: Start difference. First operand has 278 places, 279 transitions, 629 flow. Second operand 3 states and 904 transitions. [2024-11-20 13:53:37,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 283 transitions, 675 flow [2024-11-20 13:53:37,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 283 transitions, 675 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:53:37,244 INFO L231 Difference]: Finished difference. Result has 279 places, 279 transitions, 639 flow [2024-11-20 13:53:37,245 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=639, PETRI_PLACES=279, PETRI_TRANSITIONS=279} [2024-11-20 13:53:37,245 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -10 predicate places. [2024-11-20 13:53:37,245 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 279 transitions, 639 flow [2024-11-20 13:53:37,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.6666666666667) internal successors, (890), 3 states have internal predecessors, (890), 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) [2024-11-20 13:53:37,246 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:37,246 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] [2024-11-20 13:53:37,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 13:53:37,246 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-20 13:53:37,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:37,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1045667757, now seen corresponding path program 1 times [2024-11-20 13:53:37,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:37,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3272853] [2024-11-20 13:53:37,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:37,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:37,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:37,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3272853] [2024-11-20 13:53:37,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3272853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:37,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:37,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:37,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862267132] [2024-11-20 13:53:37,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:37,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:37,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:37,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:37,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:37,289 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 316 [2024-11-20 13:53:37,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 279 transitions, 639 flow. Second operand has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 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) [2024-11-20 13:53:37,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:37,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 316 [2024-11-20 13:53:37,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:37,494 INFO L124 PetriNetUnfolderBase]: 108/2291 cut-off events. [2024-11-20 13:53:37,494 INFO L125 PetriNetUnfolderBase]: For 24/59 co-relation queries the response was YES. [2024-11-20 13:53:37,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2687 conditions, 2291 events. 108/2291 cut-off events. For 24/59 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 19936 event pairs, 22 based on Foata normal form. 2/2086 useless extension candidates. Maximal degree in co-relation 2191. Up to 80 conditions per place. [2024-11-20 13:53:37,512 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/280 dead transitions. [2024-11-20 13:53:37,512 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 280 transitions, 669 flow [2024-11-20 13:53:37,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:37,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:37,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2024-11-20 13:53:37,514 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9514767932489452 [2024-11-20 13:53:37,514 INFO L175 Difference]: Start difference. First operand has 279 places, 279 transitions, 639 flow. Second operand 3 states and 902 transitions. [2024-11-20 13:53:37,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 280 transitions, 669 flow [2024-11-20 13:53:37,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 280 transitions, 669 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:53:37,518 INFO L231 Difference]: Finished difference. Result has 280 places, 278 transitions, 641 flow [2024-11-20 13:53:37,518 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=637, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=641, PETRI_PLACES=280, PETRI_TRANSITIONS=278} [2024-11-20 13:53:37,519 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -9 predicate places. [2024-11-20 13:53:37,519 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 278 transitions, 641 flow [2024-11-20 13:53:37,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 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) [2024-11-20 13:53:37,520 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:37,520 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] [2024-11-20 13:53:37,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 13:53:37,520 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-20 13:53:37,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:37,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1345187915, now seen corresponding path program 1 times [2024-11-20 13:53:37,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:37,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495980070] [2024-11-20 13:53:37,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:37,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:37,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:37,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:37,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495980070] [2024-11-20 13:53:37,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495980070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:37,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:37,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:37,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465331926] [2024-11-20 13:53:37,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:37,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:37,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:37,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:37,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:37,561 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 316 [2024-11-20 13:53:37,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 278 transitions, 641 flow. Second operand has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 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) [2024-11-20 13:53:37,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:37,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 316 [2024-11-20 13:53:37,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:37,743 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([832] L55-25-->L55-26: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet12#1=|v_thread3Thread1of1ForFork0_#t~nondet12#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet12#1][179], [24#L55-26true, Black: 351#true, 338#(= |#race~length_2~0| 0), Black: 355#true, 359#true, 362#true, 66#L76true, Black: 332#true, 353#(= |#race~length_4~0| 0), 346#(= |#race~to_int_3~0| 0), Black: 336#true, 334#(= |#race~length_0~0| 0), Black: 340#true, Black: 344#true, 357#(= |#race~to_int_5~0| 0), 342#(= |#race~to_int_1~0| 0)]) [2024-11-20 13:53:37,743 INFO L294 olderBase$Statistics]: this new event has 187 ancestors and is not cut-off event [2024-11-20 13:53:37,743 INFO L297 olderBase$Statistics]: existing Event has 215 ancestors and is not cut-off event [2024-11-20 13:53:37,743 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2024-11-20 13:53:37,743 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2024-11-20 13:53:37,745 INFO L124 PetriNetUnfolderBase]: 136/1683 cut-off events. [2024-11-20 13:53:37,745 INFO L125 PetriNetUnfolderBase]: For 87/114 co-relation queries the response was YES. [2024-11-20 13:53:37,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2156 conditions, 1683 events. 136/1683 cut-off events. For 87/114 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 13916 event pairs, 36 based on Foata normal form. 1/1548 useless extension candidates. Maximal degree in co-relation 1861. Up to 160 conditions per place. [2024-11-20 13:53:37,756 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/279 dead transitions. [2024-11-20 13:53:37,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 279 transitions, 671 flow [2024-11-20 13:53:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:37,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:37,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2024-11-20 13:53:37,758 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9514767932489452 [2024-11-20 13:53:37,758 INFO L175 Difference]: Start difference. First operand has 280 places, 278 transitions, 641 flow. Second operand 3 states and 902 transitions. [2024-11-20 13:53:37,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 279 transitions, 671 flow [2024-11-20 13:53:37,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 279 transitions, 667 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:37,762 INFO L231 Difference]: Finished difference. Result has 279 places, 277 transitions, 639 flow [2024-11-20 13:53:37,762 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=639, PETRI_PLACES=279, PETRI_TRANSITIONS=277} [2024-11-20 13:53:37,763 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -10 predicate places. [2024-11-20 13:53:37,763 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 277 transitions, 639 flow [2024-11-20 13:53:37,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 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) [2024-11-20 13:53:37,764 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:37,764 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:37,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 13:53:37,764 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-20 13:53:37,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:37,764 INFO L85 PathProgramCache]: Analyzing trace with hash 2048670741, now seen corresponding path program 1 times [2024-11-20 13:53:37,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:37,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134943147] [2024-11-20 13:53:37,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:37,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:37,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:37,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134943147] [2024-11-20 13:53:37,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134943147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:37,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:37,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:37,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794537601] [2024-11-20 13:53:37,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:37,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:37,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:37,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:37,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:37,810 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 316 [2024-11-20 13:53:37,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 277 transitions, 639 flow. Second operand has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 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) [2024-11-20 13:53:37,811 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:37,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 316 [2024-11-20 13:53:37,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:37,984 INFO L124 PetriNetUnfolderBase]: 73/1997 cut-off events. [2024-11-20 13:53:37,984 INFO L125 PetriNetUnfolderBase]: For 8/20 co-relation queries the response was YES. [2024-11-20 13:53:37,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2353 conditions, 1997 events. 73/1997 cut-off events. For 8/20 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 16182 event pairs, 4 based on Foata normal form. 0/1858 useless extension candidates. Maximal degree in co-relation 1998. Up to 66 conditions per place. [2024-11-20 13:53:37,995 INFO L140 encePairwiseOnDemand]: 314/316 looper letters, 8 selfloop transitions, 1 changer transitions 0/276 dead transitions. [2024-11-20 13:53:37,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 276 transitions, 655 flow [2024-11-20 13:53:37,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:37,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:37,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2024-11-20 13:53:37,998 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9535864978902954 [2024-11-20 13:53:37,998 INFO L175 Difference]: Start difference. First operand has 279 places, 277 transitions, 639 flow. Second operand 3 states and 904 transitions. [2024-11-20 13:53:37,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 276 transitions, 655 flow [2024-11-20 13:53:37,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 276 transitions, 651 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:38,001 INFO L231 Difference]: Finished difference. Result has 278 places, 276 transitions, 635 flow [2024-11-20 13:53:38,002 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=635, PETRI_PLACES=278, PETRI_TRANSITIONS=276} [2024-11-20 13:53:38,002 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-11-20 13:53:38,002 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 276 transitions, 635 flow [2024-11-20 13:53:38,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 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) [2024-11-20 13:53:38,003 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:38,003 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:38,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 13:53:38,003 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-20 13:53:38,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:38,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1221589917, now seen corresponding path program 1 times [2024-11-20 13:53:38,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:38,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123870735] [2024-11-20 13:53:38,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:38,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:38,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:38,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:38,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123870735] [2024-11-20 13:53:38,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123870735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:38,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:38,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:38,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142406132] [2024-11-20 13:53:38,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:38,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:38,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:38,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:38,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:38,066 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 316 [2024-11-20 13:53:38,067 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 276 transitions, 635 flow. Second operand has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 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) [2024-11-20 13:53:38,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:38,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 316 [2024-11-20 13:53:38,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:38,245 INFO L124 PetriNetUnfolderBase]: 70/2132 cut-off events. [2024-11-20 13:53:38,246 INFO L125 PetriNetUnfolderBase]: For 8/22 co-relation queries the response was YES. [2024-11-20 13:53:38,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2431 conditions, 2132 events. 70/2132 cut-off events. For 8/22 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 17559 event pairs, 11 based on Foata normal form. 0/1985 useless extension candidates. Maximal degree in co-relation 2327. Up to 67 conditions per place. [2024-11-20 13:53:38,256 INFO L140 encePairwiseOnDemand]: 314/316 looper letters, 8 selfloop transitions, 1 changer transitions 0/275 dead transitions. [2024-11-20 13:53:38,257 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 275 transitions, 651 flow [2024-11-20 13:53:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:38,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:38,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2024-11-20 13:53:38,258 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9535864978902954 [2024-11-20 13:53:38,259 INFO L175 Difference]: Start difference. First operand has 278 places, 276 transitions, 635 flow. Second operand 3 states and 904 transitions. [2024-11-20 13:53:38,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 275 transitions, 651 flow [2024-11-20 13:53:38,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 275 transitions, 650 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:53:38,262 INFO L231 Difference]: Finished difference. Result has 278 places, 275 transitions, 634 flow [2024-11-20 13:53:38,262 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=278, PETRI_TRANSITIONS=275} [2024-11-20 13:53:38,262 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-11-20 13:53:38,263 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 275 transitions, 634 flow [2024-11-20 13:53:38,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 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) [2024-11-20 13:53:38,264 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:38,264 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:38,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 13:53:38,264 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-20 13:53:38,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:38,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1570093863, now seen corresponding path program 1 times [2024-11-20 13:53:38,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:38,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609364262] [2024-11-20 13:53:38,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:38,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:38,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:38,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:38,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609364262] [2024-11-20 13:53:38,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609364262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:38,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:38,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:38,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545042975] [2024-11-20 13:53:38,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:38,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:38,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:38,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:38,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:38,307 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 316 [2024-11-20 13:53:38,308 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 275 transitions, 634 flow. Second operand has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 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) [2024-11-20 13:53:38,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:38,308 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 316 [2024-11-20 13:53:38,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:38,444 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([836] L55-26-->L55-27: Formula: (= |v_#race~result_8~0_1| |v_thread3Thread1of1ForFork0_#t~nondet12#1_3|) InVars {thread3Thread1of1ForFork0_#t~nondet12#1=|v_thread3Thread1of1ForFork0_#t~nondet12#1_3|} OutVars{#race~result_8~0=|v_#race~result_8~0_1|, thread3Thread1of1ForFork0_#t~nondet12#1=|v_thread3Thread1of1ForFork0_#t~nondet12#1_3|} AuxVars[] AssignedVars[#race~result_8~0][186], [368#true, Black: 351#true, 338#(= |#race~length_2~0| 0), Black: 355#true, 66#L76true, Black: 332#true, 353#(= |#race~length_4~0| 0), 346#(= |#race~to_int_3~0| 0), Black: 336#true, 334#(= |#race~length_0~0| 0), Black: 340#true, 357#(= |#race~to_int_5~0| 0), Black: 344#true, 371#true, 82#L55-27true, 342#(= |#race~to_int_1~0| 0)]) [2024-11-20 13:53:38,444 INFO L294 olderBase$Statistics]: this new event has 216 ancestors and is cut-off event [2024-11-20 13:53:38,444 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is cut-off event [2024-11-20 13:53:38,444 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is cut-off event [2024-11-20 13:53:38,444 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is cut-off event [2024-11-20 13:53:38,445 INFO L124 PetriNetUnfolderBase]: 68/1501 cut-off events. [2024-11-20 13:53:38,445 INFO L125 PetriNetUnfolderBase]: For 21/36 co-relation queries the response was YES. [2024-11-20 13:53:38,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1771 conditions, 1501 events. 68/1501 cut-off events. For 21/36 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 11457 event pairs, 18 based on Foata normal form. 10/1395 useless extension candidates. Maximal degree in co-relation 1722. Up to 87 conditions per place. [2024-11-20 13:53:38,450 INFO L140 encePairwiseOnDemand]: 314/316 looper letters, 0 selfloop transitions, 0 changer transitions 274/274 dead transitions. [2024-11-20 13:53:38,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 274 transitions, 648 flow [2024-11-20 13:53:38,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:38,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:38,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 903 transitions. [2024-11-20 13:53:38,453 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9525316455696202 [2024-11-20 13:53:38,453 INFO L175 Difference]: Start difference. First operand has 278 places, 275 transitions, 634 flow. Second operand 3 states and 903 transitions. [2024-11-20 13:53:38,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 274 transitions, 648 flow [2024-11-20 13:53:38,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 274 transitions, 647 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:53:38,455 INFO L231 Difference]: Finished difference. Result has 278 places, 0 transitions, 0 flow [2024-11-20 13:53:38,456 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=278, PETRI_TRANSITIONS=0} [2024-11-20 13:53:38,456 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-11-20 13:53:38,456 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 0 transitions, 0 flow [2024-11-20 13:53:38,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 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) [2024-11-20 13:53:38,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 48 remaining) [2024-11-20 13:53:38,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 48 remaining) [2024-11-20 13:53:38,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 48 remaining) [2024-11-20 13:53:38,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 48 remaining) [2024-11-20 13:53:38,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (43 of 48 remaining) [2024-11-20 13:53:38,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (42 of 48 remaining) [2024-11-20 13:53:38,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (41 of 48 remaining) [2024-11-20 13:53:38,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (40 of 48 remaining) [2024-11-20 13:53:38,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (39 of 48 remaining) [2024-11-20 13:53:38,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (38 of 48 remaining) [2024-11-20 13:53:38,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 48 remaining) [2024-11-20 13:53:38,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (36 of 48 remaining) [2024-11-20 13:53:38,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (35 of 48 remaining) [2024-11-20 13:53:38,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (34 of 48 remaining) [2024-11-20 13:53:38,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (33 of 48 remaining) [2024-11-20 13:53:38,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (32 of 48 remaining) [2024-11-20 13:53:38,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (31 of 48 remaining) [2024-11-20 13:53:38,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (30 of 48 remaining) [2024-11-20 13:53:38,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 48 remaining) [2024-11-20 13:53:38,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 48 remaining) [2024-11-20 13:53:38,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 48 remaining) [2024-11-20 13:53:38,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (26 of 48 remaining) [2024-11-20 13:53:38,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 48 remaining) [2024-11-20 13:53:38,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (24 of 48 remaining) [2024-11-20 13:53:38,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 48 remaining) [2024-11-20 13:53:38,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (22 of 48 remaining) [2024-11-20 13:53:38,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (21 of 48 remaining) [2024-11-20 13:53:38,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 48 remaining) [2024-11-20 13:53:38,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 48 remaining) [2024-11-20 13:53:38,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 48 remaining) [2024-11-20 13:53:38,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 48 remaining) [2024-11-20 13:53:38,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 48 remaining) [2024-11-20 13:53:38,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 48 remaining) [2024-11-20 13:53:38,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 48 remaining) [2024-11-20 13:53:38,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (13 of 48 remaining) [2024-11-20 13:53:38,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 48 remaining) [2024-11-20 13:53:38,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 48 remaining) [2024-11-20 13:53:38,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 48 remaining) [2024-11-20 13:53:38,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 48 remaining) [2024-11-20 13:53:38,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 48 remaining) [2024-11-20 13:53:38,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 48 remaining) [2024-11-20 13:53:38,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 48 remaining) [2024-11-20 13:53:38,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 48 remaining) [2024-11-20 13:53:38,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 48 remaining) [2024-11-20 13:53:38,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 48 remaining) [2024-11-20 13:53:38,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 48 remaining) [2024-11-20 13:53:38,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 48 remaining) [2024-11-20 13:53:38,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (0 of 48 remaining) [2024-11-20 13:53:38,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 13:53:38,465 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:38,470 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 13:53:38,470 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 13:53:38,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:53:38 BasicIcfg [2024-11-20 13:53:38,474 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 13:53:38,475 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 13:53:38,475 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 13:53:38,475 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 13:53:38,475 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:53:34" (3/4) ... [2024-11-20 13:53:38,477 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 13:53:38,479 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-20 13:53:38,479 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-20 13:53:38,479 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-20 13:53:38,484 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-20 13:53:38,484 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-20 13:53:38,484 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 13:53:38,484 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 13:53:38,558 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 13:53:38,558 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 13:53:38,558 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 13:53:38,559 INFO L158 Benchmark]: Toolchain (without parser) took 5254.62ms. Allocated memory was 169.9MB in the beginning and 285.2MB in the end (delta: 115.3MB). Free memory was 103.5MB in the beginning and 219.1MB in the end (delta: -115.6MB). Peak memory consumption was 970.0kB. Max. memory is 16.1GB. [2024-11-20 13:53:38,559 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:53:38,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.41ms. Allocated memory is still 169.9MB. Free memory was 103.2MB in the beginning and 89.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 13:53:38,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.42ms. Allocated memory is still 169.9MB. Free memory was 89.6MB in the beginning and 87.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:53:38,559 INFO L158 Benchmark]: Boogie Preprocessor took 73.89ms. Allocated memory is still 169.9MB. Free memory was 87.4MB in the beginning and 142.9MB in the end (delta: -55.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-20 13:53:38,560 INFO L158 Benchmark]: RCFGBuilder took 596.81ms. Allocated memory is still 169.9MB. Free memory was 142.9MB in the beginning and 119.4MB in the end (delta: 23.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-20 13:53:38,560 INFO L158 Benchmark]: TraceAbstraction took 4225.80ms. Allocated memory was 169.9MB in the beginning and 285.2MB in the end (delta: 115.3MB). Free memory was 118.7MB in the beginning and 225.4MB in the end (delta: -106.7MB). Peak memory consumption was 150.8MB. Max. memory is 16.1GB. [2024-11-20 13:53:38,560 INFO L158 Benchmark]: Witness Printer took 83.68ms. Allocated memory is still 285.2MB. Free memory was 224.4MB in the beginning and 219.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 13:53:38,561 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 104.9MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.41ms. Allocated memory is still 169.9MB. Free memory was 103.2MB in the beginning and 89.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.42ms. Allocated memory is still 169.9MB. Free memory was 89.6MB in the beginning and 87.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.89ms. Allocated memory is still 169.9MB. Free memory was 87.4MB in the beginning and 142.9MB in the end (delta: -55.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * RCFGBuilder took 596.81ms. Allocated memory is still 169.9MB. Free memory was 142.9MB in the beginning and 119.4MB in the end (delta: 23.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4225.80ms. Allocated memory was 169.9MB in the beginning and 285.2MB in the end (delta: 115.3MB). Free memory was 118.7MB in the beginning and 225.4MB in the end (delta: -106.7MB). Peak memory consumption was 150.8MB. Max. memory is 16.1GB. * Witness Printer took 83.68ms. Allocated memory is still 285.2MB. Free memory was 224.4MB in the beginning and 219.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: 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: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 479 locations, 48 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: 4.1s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 316 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 480 IncrementalHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 74 mSDtfsCounter, 480 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=641occurred in iteration=14, InterpolantAutomatonStates: 54, 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, 1469 NumberOfCodeBlocks, 1469 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1451 ConstructedInterpolants, 0 QuantifiedInterpolants, 1487 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 27 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-20 13:53:38,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE