./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-word-symm.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-word-symm.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 bf81f7b3bd1ceac2bf46c7c37f69effc0af9de17b18c7565156301fb49a6164e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:53:52,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:53:52,549 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:53:52,555 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:53:52,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:53:52,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:53:52,586 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:53:52,586 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:53:52,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:53:52,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:53:52,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:53:52,589 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:53:52,589 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:53:52,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:53:52,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:53:52,590 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:53:52,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:53:52,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:53:52,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:53:52,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:53:52,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:53:52,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:53:52,594 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:53:52,594 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:53:52,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:53:52,594 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:53:52,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:53:52,594 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:53:52,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:53:52,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:53:52,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:53:52,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:53:52,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:53:52,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:53:52,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:53:52,595 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:53:52,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:53:52,595 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:53:52,596 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:53:52,596 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:53:52,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:53:52,596 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf81f7b3bd1ceac2bf46c7c37f69effc0af9de17b18c7565156301fb49a6164e [2024-11-20 13:53:52,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:53:52,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:53:52,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:53:52,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:53:52,803 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:53:52,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-word-symm.wvr.c [2024-11-20 13:53:53,981 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:53:54,126 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:53:54,127 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-word-symm.wvr.c [2024-11-20 13:53:54,135 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4e80a5d1/2659602596714f8db4471998a14159d2/FLAGff4b036c9 [2024-11-20 13:53:54,147 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4e80a5d1/2659602596714f8db4471998a14159d2 [2024-11-20 13:53:54,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:53:54,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:53:54,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:53:54,153 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:53:54,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:53:54,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:53:54" (1/1) ... [2024-11-20 13:53:54,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35bbffcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:54, skipping insertion in model container [2024-11-20 13:53:54,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:53:54" (1/1) ... [2024-11-20 13:53:54,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:53:54,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:53:54,364 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:53:54,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:53:54,402 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:53:54,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:54 WrapperNode [2024-11-20 13:53:54,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:53:54,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:53:54,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:53:54,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:53:54,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:54" (1/1) ... [2024-11-20 13:53:54,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:54" (1/1) ... [2024-11-20 13:53:54,443 INFO L138 Inliner]: procedures = 23, calls = 26, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 191 [2024-11-20 13:53:54,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:53:54,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:53:54,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:53:54,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:53:54,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:54" (1/1) ... [2024-11-20 13:53:54,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:54" (1/1) ... [2024-11-20 13:53:54,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:54" (1/1) ... [2024-11-20 13:53:54,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:54" (1/1) ... [2024-11-20 13:53:54,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:54" (1/1) ... [2024-11-20 13:53:54,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:54" (1/1) ... [2024-11-20 13:53:54,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:54" (1/1) ... [2024-11-20 13:53:54,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:54" (1/1) ... [2024-11-20 13:53:54,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:53:54,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:53:54,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:53:54,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:53:54,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:54" (1/1) ... [2024-11-20 13:53:54,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:53:54,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:53:54,531 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 13:53:54,538 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 13:53:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:53:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-20 13:53:54,576 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-20 13:53:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-20 13:53:54,576 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-20 13:53:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:53:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-20 13:53:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 13:53:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:53:54,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:53:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-20 13:53:54,578 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 13:53:54,666 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:53:54,667 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:53:55,134 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:53:55,134 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:53:55,154 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:53:55,154 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-20 13:53:55,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:53:55 BoogieIcfgContainer [2024-11-20 13:53:55,155 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:53:55,156 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:53:55,156 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:53:55,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:53:55,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:53:54" (1/3) ... [2024-11-20 13:53:55,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b98a3a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:53:55, skipping insertion in model container [2024-11-20 13:53:55,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:54" (2/3) ... [2024-11-20 13:53:55,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b98a3a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:53:55, skipping insertion in model container [2024-11-20 13:53:55,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:53:55" (3/3) ... [2024-11-20 13:53:55,161 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-word-symm.wvr.c [2024-11-20 13:53:55,173 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:53:55,173 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 54 error locations. [2024-11-20 13:53:55,173 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:53:55,333 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-20 13:53:55,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 456 places, 475 transitions, 964 flow [2024-11-20 13:53:55,491 INFO L124 PetriNetUnfolderBase]: 26/473 cut-off events. [2024-11-20 13:53:55,492 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 13:53:55,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 482 conditions, 473 events. 26/473 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1055 event pairs, 0 based on Foata normal form. 0/393 useless extension candidates. Maximal degree in co-relation 292. Up to 3 conditions per place. [2024-11-20 13:53:55,503 INFO L82 GeneralOperation]: Start removeDead. Operand has 456 places, 475 transitions, 964 flow [2024-11-20 13:53:55,513 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 436 places, 453 transitions, 918 flow [2024-11-20 13:53:55,522 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:53:55,528 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;@686d8974, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:53:55,528 INFO L334 AbstractCegarLoop]: Starting to check reachability of 94 error locations. [2024-11-20 13:53:55,532 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:53:55,532 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-20 13:53:55,532 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:53:55,533 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:55,533 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] [2024-11-20 13:53:55,534 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:53:55,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:55,537 INFO L85 PathProgramCache]: Analyzing trace with hash 497602862, now seen corresponding path program 1 times [2024-11-20 13:53:55,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:55,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922295692] [2024-11-20 13:53:55,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:55,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:55,687 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 13:53:55,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:55,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922295692] [2024-11-20 13:53:55,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922295692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:55,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:55,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:55,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111040734] [2024-11-20 13:53:55,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:55,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:55,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:55,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:55,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:55,754 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 475 [2024-11-20 13:53:55,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 453 transitions, 918 flow. Second operand has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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 13:53:55,760 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:55,760 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 475 [2024-11-20 13:53:55,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:55,876 INFO L124 PetriNetUnfolderBase]: 37/782 cut-off events. [2024-11-20 13:53:55,876 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-20 13:53:55,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 827 conditions, 782 events. 37/782 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3399 event pairs, 8 based on Foata normal form. 15/650 useless extension candidates. Maximal degree in co-relation 591. Up to 28 conditions per place. [2024-11-20 13:53:55,886 INFO L140 encePairwiseOnDemand]: 462/475 looper letters, 11 selfloop transitions, 2 changer transitions 6/442 dead transitions. [2024-11-20 13:53:55,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 442 transitions, 922 flow [2024-11-20 13:53:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:55,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:55,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1368 transitions. [2024-11-20 13:53:55,938 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.96 [2024-11-20 13:53:55,941 INFO L175 Difference]: Start difference. First operand has 436 places, 453 transitions, 918 flow. Second operand 3 states and 1368 transitions. [2024-11-20 13:53:55,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 442 transitions, 922 flow [2024-11-20 13:53:55,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 442 transitions, 914 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-20 13:53:55,951 INFO L231 Difference]: Finished difference. Result has 433 places, 436 transitions, 880 flow [2024-11-20 13:53:55,953 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=888, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=880, PETRI_PLACES=433, PETRI_TRANSITIONS=436} [2024-11-20 13:53:55,955 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -3 predicate places. [2024-11-20 13:53:55,955 INFO L471 AbstractCegarLoop]: Abstraction has has 433 places, 436 transitions, 880 flow [2024-11-20 13:53:55,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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 13:53:55,956 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:55,957 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] [2024-11-20 13:53:55,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:53:55,957 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:53:55,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:55,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1667234327, now seen corresponding path program 1 times [2024-11-20 13:53:55,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:55,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130158357] [2024-11-20 13:53:55,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:55,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:56,012 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 13:53:56,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:56,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130158357] [2024-11-20 13:53:56,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130158357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:56,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:56,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:56,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606278429] [2024-11-20 13:53:56,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:56,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:56,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:56,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:56,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:56,047 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 475 [2024-11-20 13:53:56,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 436 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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 13:53:56,048 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:56,048 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 475 [2024-11-20 13:53:56,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:56,123 INFO L124 PetriNetUnfolderBase]: 37/766 cut-off events. [2024-11-20 13:53:56,123 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-20 13:53:56,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 804 conditions, 766 events. 37/766 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3344 event pairs, 8 based on Foata normal form. 0/631 useless extension candidates. Maximal degree in co-relation 772. Up to 28 conditions per place. [2024-11-20 13:53:56,130 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 11 selfloop transitions, 2 changer transitions 0/435 dead transitions. [2024-11-20 13:53:56,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 435 transitions, 904 flow [2024-11-20 13:53:56,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:56,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:56,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1358 transitions. [2024-11-20 13:53:56,133 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9529824561403509 [2024-11-20 13:53:56,133 INFO L175 Difference]: Start difference. First operand has 433 places, 436 transitions, 880 flow. Second operand 3 states and 1358 transitions. [2024-11-20 13:53:56,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 435 transitions, 904 flow [2024-11-20 13:53:56,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 435 transitions, 900 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:56,139 INFO L231 Difference]: Finished difference. Result has 426 places, 435 transitions, 878 flow [2024-11-20 13:53:56,139 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=878, PETRI_PLACES=426, PETRI_TRANSITIONS=435} [2024-11-20 13:53:56,140 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -10 predicate places. [2024-11-20 13:53:56,140 INFO L471 AbstractCegarLoop]: Abstraction has has 426 places, 435 transitions, 878 flow [2024-11-20 13:53:56,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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 13:53:56,141 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:56,142 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] [2024-11-20 13:53:56,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:53:56,142 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:53:56,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:56,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1874444480, now seen corresponding path program 1 times [2024-11-20 13:53:56,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:56,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929521567] [2024-11-20 13:53:56,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:56,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:56,198 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 13:53:56,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:56,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929521567] [2024-11-20 13:53:56,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929521567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:56,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:56,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:56,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759965556] [2024-11-20 13:53:56,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:56,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:56,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:56,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:56,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:56,233 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 447 out of 475 [2024-11-20 13:53:56,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 435 transitions, 878 flow. Second operand has 3 states, 3 states have (on average 448.3333333333333) internal successors, (1345), 3 states have internal predecessors, (1345), 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 13:53:56,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:56,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 447 of 475 [2024-11-20 13:53:56,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:56,300 INFO L124 PetriNetUnfolderBase]: 37/756 cut-off events. [2024-11-20 13:53:56,300 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-20 13:53:56,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 798 conditions, 756 events. 37/756 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3113 event pairs, 8 based on Foata normal form. 0/626 useless extension candidates. Maximal degree in co-relation 758. Up to 32 conditions per place. [2024-11-20 13:53:56,329 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 12 selfloop transitions, 2 changer transitions 0/434 dead transitions. [2024-11-20 13:53:56,330 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 434 transitions, 904 flow [2024-11-20 13:53:56,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:56,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:56,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1356 transitions. [2024-11-20 13:53:56,333 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9515789473684211 [2024-11-20 13:53:56,333 INFO L175 Difference]: Start difference. First operand has 426 places, 435 transitions, 878 flow. Second operand 3 states and 1356 transitions. [2024-11-20 13:53:56,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 434 transitions, 904 flow [2024-11-20 13:53:56,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 434 transitions, 900 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:56,338 INFO L231 Difference]: Finished difference. Result has 425 places, 434 transitions, 876 flow [2024-11-20 13:53:56,338 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=872, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=876, PETRI_PLACES=425, PETRI_TRANSITIONS=434} [2024-11-20 13:53:56,339 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -11 predicate places. [2024-11-20 13:53:56,339 INFO L471 AbstractCegarLoop]: Abstraction has has 425 places, 434 transitions, 876 flow [2024-11-20 13:53:56,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 448.3333333333333) internal successors, (1345), 3 states have internal predecessors, (1345), 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 13:53:56,341 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:56,341 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] [2024-11-20 13:53:56,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:53:56,342 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:53:56,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:56,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1310349700, now seen corresponding path program 1 times [2024-11-20 13:53:56,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:56,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360174140] [2024-11-20 13:53:56,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:56,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:56,394 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 13:53:56,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:56,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360174140] [2024-11-20 13:53:56,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360174140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:56,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:56,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:56,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146101131] [2024-11-20 13:53:56,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:56,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:56,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:56,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:56,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:56,425 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 447 out of 475 [2024-11-20 13:53:56,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 434 transitions, 876 flow. Second operand has 3 states, 3 states have (on average 448.3333333333333) internal successors, (1345), 3 states have internal predecessors, (1345), 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 13:53:56,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:56,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 447 of 475 [2024-11-20 13:53:56,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:56,495 INFO L124 PetriNetUnfolderBase]: 36/761 cut-off events. [2024-11-20 13:53:56,496 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-20 13:53:56,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 801 conditions, 761 events. 36/761 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3165 event pairs, 8 based on Foata normal form. 0/628 useless extension candidates. Maximal degree in co-relation 753. Up to 30 conditions per place. [2024-11-20 13:53:56,500 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 12 selfloop transitions, 2 changer transitions 0/433 dead transitions. [2024-11-20 13:53:56,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 433 transitions, 902 flow [2024-11-20 13:53:56,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:56,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:56,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1356 transitions. [2024-11-20 13:53:56,504 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9515789473684211 [2024-11-20 13:53:56,504 INFO L175 Difference]: Start difference. First operand has 425 places, 434 transitions, 876 flow. Second operand 3 states and 1356 transitions. [2024-11-20 13:53:56,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 433 transitions, 902 flow [2024-11-20 13:53:56,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 433 transitions, 898 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:56,509 INFO L231 Difference]: Finished difference. Result has 424 places, 433 transitions, 874 flow [2024-11-20 13:53:56,510 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=870, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=874, PETRI_PLACES=424, PETRI_TRANSITIONS=433} [2024-11-20 13:53:56,511 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -12 predicate places. [2024-11-20 13:53:56,511 INFO L471 AbstractCegarLoop]: Abstraction has has 424 places, 433 transitions, 874 flow [2024-11-20 13:53:56,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 448.3333333333333) internal successors, (1345), 3 states have internal predecessors, (1345), 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 13:53:56,512 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:56,512 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] [2024-11-20 13:53:56,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 13:53:56,514 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:53:56,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:56,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1664001257, now seen corresponding path program 1 times [2024-11-20 13:53:56,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:56,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589541284] [2024-11-20 13:53:56,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:56,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:56,557 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 13:53:56,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:56,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589541284] [2024-11-20 13:53:56,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589541284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:56,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:56,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:56,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692193386] [2024-11-20 13:53:56,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:56,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:56,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:56,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:56,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:56,580 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 475 [2024-11-20 13:53:56,581 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 433 transitions, 874 flow. Second operand has 3 states, 3 states have (on average 444.0) internal successors, (1332), 3 states have internal predecessors, (1332), 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 13:53:56,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:56,582 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 475 [2024-11-20 13:53:56,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:56,723 INFO L124 PetriNetUnfolderBase]: 83/1184 cut-off events. [2024-11-20 13:53:56,723 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2024-11-20 13:53:56,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1277 conditions, 1184 events. 83/1184 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6783 event pairs, 24 based on Foata normal form. 0/979 useless extension candidates. Maximal degree in co-relation 1221. Up to 81 conditions per place. [2024-11-20 13:53:56,730 INFO L140 encePairwiseOnDemand]: 469/475 looper letters, 14 selfloop transitions, 1 changer transitions 0/428 dead transitions. [2024-11-20 13:53:56,730 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 428 transitions, 894 flow [2024-11-20 13:53:56,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:56,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:56,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1349 transitions. [2024-11-20 13:53:56,734 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9466666666666667 [2024-11-20 13:53:56,734 INFO L175 Difference]: Start difference. First operand has 424 places, 433 transitions, 874 flow. Second operand 3 states and 1349 transitions. [2024-11-20 13:53:56,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 428 transitions, 894 flow [2024-11-20 13:53:56,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 428 transitions, 890 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:56,740 INFO L231 Difference]: Finished difference. Result has 419 places, 428 transitions, 862 flow [2024-11-20 13:53:56,740 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=860, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=862, PETRI_PLACES=419, PETRI_TRANSITIONS=428} [2024-11-20 13:53:56,742 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -17 predicate places. [2024-11-20 13:53:56,742 INFO L471 AbstractCegarLoop]: Abstraction has has 419 places, 428 transitions, 862 flow [2024-11-20 13:53:56,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 444.0) internal successors, (1332), 3 states have internal predecessors, (1332), 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 13:53:56,743 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:56,744 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] [2024-11-20 13:53:56,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 13:53:56,744 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:53:56,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:56,745 INFO L85 PathProgramCache]: Analyzing trace with hash -521399676, now seen corresponding path program 1 times [2024-11-20 13:53:56,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:56,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805953128] [2024-11-20 13:53:56,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:56,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:56,806 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 13:53:56,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:56,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805953128] [2024-11-20 13:53:56,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805953128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:56,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:56,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:56,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34741243] [2024-11-20 13:53:56,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:56,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:56,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:56,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:56,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:56,833 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 475 [2024-11-20 13:53:56,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 428 transitions, 862 flow. Second operand has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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 13:53:56,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:56,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 475 [2024-11-20 13:53:56,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:56,916 INFO L124 PetriNetUnfolderBase]: 32/663 cut-off events. [2024-11-20 13:53:56,917 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-20 13:53:56,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 700 conditions, 663 events. 32/663 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2468 event pairs, 8 based on Foata normal form. 0/559 useless extension candidates. Maximal degree in co-relation 644. Up to 28 conditions per place. [2024-11-20 13:53:56,922 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 11 selfloop transitions, 2 changer transitions 0/427 dead transitions. [2024-11-20 13:53:56,922 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 427 transitions, 886 flow [2024-11-20 13:53:56,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:56,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:56,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1358 transitions. [2024-11-20 13:53:56,925 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9529824561403509 [2024-11-20 13:53:56,925 INFO L175 Difference]: Start difference. First operand has 419 places, 428 transitions, 862 flow. Second operand 3 states and 1358 transitions. [2024-11-20 13:53:56,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 427 transitions, 886 flow [2024-11-20 13:53:56,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 427 transitions, 885 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:53:56,932 INFO L231 Difference]: Finished difference. Result has 419 places, 427 transitions, 863 flow [2024-11-20 13:53:56,933 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=859, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=863, PETRI_PLACES=419, PETRI_TRANSITIONS=427} [2024-11-20 13:53:56,934 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -17 predicate places. [2024-11-20 13:53:56,934 INFO L471 AbstractCegarLoop]: Abstraction has has 419 places, 427 transitions, 863 flow [2024-11-20 13:53:56,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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 13:53:56,935 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:56,935 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] [2024-11-20 13:53:56,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 13:53:56,936 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:53:56,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:56,936 INFO L85 PathProgramCache]: Analyzing trace with hash 776827097, now seen corresponding path program 1 times [2024-11-20 13:53:56,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:56,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605254586] [2024-11-20 13:53:56,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:56,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:57,358 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 13:53:57,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:57,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605254586] [2024-11-20 13:53:57,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605254586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:57,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:57,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:53:57,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936530622] [2024-11-20 13:53:57,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:57,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:53:57,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:57,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:53:57,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:53:57,666 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 475 [2024-11-20 13:53:57,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 427 transitions, 863 flow. Second operand has 6 states, 6 states have (on average 400.5) internal successors, (2403), 6 states have internal predecessors, (2403), 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 13:53:57,668 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:57,668 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 475 [2024-11-20 13:53:57,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:57,899 INFO L124 PetriNetUnfolderBase]: 429/2641 cut-off events. [2024-11-20 13:53:57,899 INFO L125 PetriNetUnfolderBase]: For 46/47 co-relation queries the response was YES. [2024-11-20 13:53:57,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3365 conditions, 2641 events. 429/2641 cut-off events. For 46/47 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 19532 event pairs, 288 based on Foata normal form. 0/2197 useless extension candidates. Maximal degree in co-relation 3310. Up to 691 conditions per place. [2024-11-20 13:53:57,911 INFO L140 encePairwiseOnDemand]: 463/475 looper letters, 52 selfloop transitions, 10 changer transitions 0/425 dead transitions. [2024-11-20 13:53:57,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 425 transitions, 983 flow [2024-11-20 13:53:57,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:53:57,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:53:57,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2458 transitions. [2024-11-20 13:53:57,915 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8624561403508771 [2024-11-20 13:53:57,916 INFO L175 Difference]: Start difference. First operand has 419 places, 427 transitions, 863 flow. Second operand 6 states and 2458 transitions. [2024-11-20 13:53:57,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 425 transitions, 983 flow [2024-11-20 13:53:57,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 425 transitions, 979 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:57,920 INFO L231 Difference]: Finished difference. Result has 420 places, 425 transitions, 875 flow [2024-11-20 13:53:57,921 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=855, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=875, PETRI_PLACES=420, PETRI_TRANSITIONS=425} [2024-11-20 13:53:57,921 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -16 predicate places. [2024-11-20 13:53:57,922 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 425 transitions, 875 flow [2024-11-20 13:53:57,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 400.5) internal successors, (2403), 6 states have internal predecessors, (2403), 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 13:53:57,923 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:57,923 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] [2024-11-20 13:53:57,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 13:53:57,924 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:53:57,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:57,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1861974171, now seen corresponding path program 1 times [2024-11-20 13:53:57,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:57,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968727308] [2024-11-20 13:53:57,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:57,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:57,963 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 13:53:57,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:57,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968727308] [2024-11-20 13:53:57,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968727308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:57,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:57,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:57,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897484449] [2024-11-20 13:53:57,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:57,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:57,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:57,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:57,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:57,981 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 475 [2024-11-20 13:53:57,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 425 transitions, 875 flow. Second operand has 3 states, 3 states have (on average 444.0) internal successors, (1332), 3 states have internal predecessors, (1332), 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 13:53:57,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:57,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 475 [2024-11-20 13:53:57,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:58,055 INFO L124 PetriNetUnfolderBase]: 80/1050 cut-off events. [2024-11-20 13:53:58,055 INFO L125 PetriNetUnfolderBase]: For 14/15 co-relation queries the response was YES. [2024-11-20 13:53:58,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1153 conditions, 1050 events. 80/1050 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5752 event pairs, 24 based on Foata normal form. 0/886 useless extension candidates. Maximal degree in co-relation 1120. Up to 82 conditions per place. [2024-11-20 13:53:58,063 INFO L140 encePairwiseOnDemand]: 469/475 looper letters, 14 selfloop transitions, 1 changer transitions 0/420 dead transitions. [2024-11-20 13:53:58,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 420 transitions, 895 flow [2024-11-20 13:53:58,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:58,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:58,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1349 transitions. [2024-11-20 13:53:58,065 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9466666666666667 [2024-11-20 13:53:58,065 INFO L175 Difference]: Start difference. First operand has 420 places, 425 transitions, 875 flow. Second operand 3 states and 1349 transitions. [2024-11-20 13:53:58,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 420 transitions, 895 flow [2024-11-20 13:53:58,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 420 transitions, 875 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:53:58,070 INFO L231 Difference]: Finished difference. Result has 412 places, 420 transitions, 847 flow [2024-11-20 13:53:58,071 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=845, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=847, PETRI_PLACES=412, PETRI_TRANSITIONS=420} [2024-11-20 13:53:58,071 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -24 predicate places. [2024-11-20 13:53:58,072 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 420 transitions, 847 flow [2024-11-20 13:53:58,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 444.0) internal successors, (1332), 3 states have internal predecessors, (1332), 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 13:53:58,073 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:58,073 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:58,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 13:53:58,073 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:53:58,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:58,073 INFO L85 PathProgramCache]: Analyzing trace with hash -33180857, now seen corresponding path program 1 times [2024-11-20 13:53:58,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:58,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786819735] [2024-11-20 13:53:58,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:58,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:58,098 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 13:53:58,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:58,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786819735] [2024-11-20 13:53:58,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786819735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:58,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:58,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:58,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905665347] [2024-11-20 13:53:58,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:58,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:58,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:58,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:58,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:58,119 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 475 [2024-11-20 13:53:58,131 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 420 transitions, 847 flow. Second operand has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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 13:53:58,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:58,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 475 [2024-11-20 13:53:58,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:58,175 INFO L124 PetriNetUnfolderBase]: 32/651 cut-off events. [2024-11-20 13:53:58,175 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-20 13:53:58,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 689 conditions, 651 events. 32/651 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2310 event pairs, 8 based on Foata normal form. 0/559 useless extension candidates. Maximal degree in co-relation 633. Up to 28 conditions per place. [2024-11-20 13:53:58,179 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 11 selfloop transitions, 2 changer transitions 0/419 dead transitions. [2024-11-20 13:53:58,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 419 transitions, 871 flow [2024-11-20 13:53:58,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:58,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:58,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1358 transitions. [2024-11-20 13:53:58,182 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9529824561403509 [2024-11-20 13:53:58,182 INFO L175 Difference]: Start difference. First operand has 412 places, 420 transitions, 847 flow. Second operand 3 states and 1358 transitions. [2024-11-20 13:53:58,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 419 transitions, 871 flow [2024-11-20 13:53:58,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 419 transitions, 870 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:53:58,186 INFO L231 Difference]: Finished difference. Result has 412 places, 419 transitions, 848 flow [2024-11-20 13:53:58,187 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=844, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=848, PETRI_PLACES=412, PETRI_TRANSITIONS=419} [2024-11-20 13:53:58,187 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -24 predicate places. [2024-11-20 13:53:58,187 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 419 transitions, 848 flow [2024-11-20 13:53:58,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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 13:53:58,188 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:58,188 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] [2024-11-20 13:53:58,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 13:53:58,189 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:53:58,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:58,189 INFO L85 PathProgramCache]: Analyzing trace with hash -407844173, now seen corresponding path program 1 times [2024-11-20 13:53:58,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:58,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412197691] [2024-11-20 13:53:58,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:58,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:58,214 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 13:53:58,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:58,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412197691] [2024-11-20 13:53:58,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412197691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:58,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:58,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:58,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258707355] [2024-11-20 13:53:58,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:58,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:58,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:58,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:58,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:58,230 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 475 [2024-11-20 13:53:58,231 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 419 transitions, 848 flow. Second operand has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 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 13:53:58,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:58,231 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 475 [2024-11-20 13:53:58,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:58,304 INFO L124 PetriNetUnfolderBase]: 73/1148 cut-off events. [2024-11-20 13:53:58,304 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-20 13:53:58,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1222 conditions, 1148 events. 73/1148 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6572 event pairs, 16 based on Foata normal form. 0/976 useless extension candidates. Maximal degree in co-relation 1166. Up to 58 conditions per place. [2024-11-20 13:53:58,309 INFO L140 encePairwiseOnDemand]: 469/475 looper letters, 14 selfloop transitions, 2 changer transitions 0/418 dead transitions. [2024-11-20 13:53:58,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 418 transitions, 879 flow [2024-11-20 13:53:58,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:58,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:58,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1358 transitions. [2024-11-20 13:53:58,312 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9529824561403509 [2024-11-20 13:53:58,312 INFO L175 Difference]: Start difference. First operand has 412 places, 419 transitions, 848 flow. Second operand 3 states and 1358 transitions. [2024-11-20 13:53:58,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 418 transitions, 879 flow [2024-11-20 13:53:58,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 418 transitions, 875 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:58,318 INFO L231 Difference]: Finished difference. Result has 409 places, 417 transitions, 850 flow [2024-11-20 13:53:58,319 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=836, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=850, PETRI_PLACES=409, PETRI_TRANSITIONS=417} [2024-11-20 13:53:58,319 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -27 predicate places. [2024-11-20 13:53:58,319 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 417 transitions, 850 flow [2024-11-20 13:53:58,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 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 13:53:58,320 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:58,321 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] [2024-11-20 13:53:58,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 13:53:58,321 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:53:58,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:58,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1096191371, now seen corresponding path program 1 times [2024-11-20 13:53:58,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:58,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947713414] [2024-11-20 13:53:58,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:58,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:58,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:58,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:58,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947713414] [2024-11-20 13:53:58,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947713414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:58,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:58,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:58,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448981748] [2024-11-20 13:53:58,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:58,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:58,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:58,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:58,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:58,362 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 475 [2024-11-20 13:53:58,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 417 transitions, 850 flow. Second operand has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 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 13:53:58,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:58,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 475 [2024-11-20 13:53:58,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:58,456 INFO L124 PetriNetUnfolderBase]: 70/1083 cut-off events. [2024-11-20 13:53:58,456 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2024-11-20 13:53:58,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1167 conditions, 1083 events. 70/1083 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 6241 event pairs, 16 based on Foata normal form. 0/939 useless extension candidates. Maximal degree in co-relation 1111. Up to 61 conditions per place. [2024-11-20 13:53:58,461 INFO L140 encePairwiseOnDemand]: 469/475 looper letters, 14 selfloop transitions, 2 changer transitions 0/416 dead transitions. [2024-11-20 13:53:58,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 416 transitions, 881 flow [2024-11-20 13:53:58,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:58,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:58,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1358 transitions. [2024-11-20 13:53:58,464 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9529824561403509 [2024-11-20 13:53:58,464 INFO L175 Difference]: Start difference. First operand has 409 places, 417 transitions, 850 flow. Second operand 3 states and 1358 transitions. [2024-11-20 13:53:58,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 416 transitions, 881 flow [2024-11-20 13:53:58,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 416 transitions, 881 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:53:58,469 INFO L231 Difference]: Finished difference. Result has 408 places, 415 transitions, 856 flow [2024-11-20 13:53:58,470 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=842, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=856, PETRI_PLACES=408, PETRI_TRANSITIONS=415} [2024-11-20 13:53:58,470 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -28 predicate places. [2024-11-20 13:53:58,470 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 415 transitions, 856 flow [2024-11-20 13:53:58,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 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 13:53:58,471 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:58,471 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] [2024-11-20 13:53:58,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 13:53:58,472 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:53:58,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:58,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1346079127, now seen corresponding path program 1 times [2024-11-20 13:53:58,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:58,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012932817] [2024-11-20 13:53:58,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:58,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:58,508 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 13:53:58,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:58,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012932817] [2024-11-20 13:53:58,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012932817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:58,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:58,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:58,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416978911] [2024-11-20 13:53:58,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:58,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:58,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:58,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:58,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:58,533 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 449 out of 475 [2024-11-20 13:53:58,535 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 415 transitions, 856 flow. Second operand has 3 states, 3 states have (on average 450.3333333333333) internal successors, (1351), 3 states have internal predecessors, (1351), 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 13:53:58,535 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:58,535 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 449 of 475 [2024-11-20 13:53:58,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:58,606 INFO L124 PetriNetUnfolderBase]: 47/946 cut-off events. [2024-11-20 13:53:58,607 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-20 13:53:58,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1004 conditions, 946 events. 47/946 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4224 event pairs, 4 based on Foata normal form. 1/824 useless extension candidates. Maximal degree in co-relation 948. Up to 20 conditions per place. [2024-11-20 13:53:58,612 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 12 selfloop transitions, 2 changer transitions 0/415 dead transitions. [2024-11-20 13:53:58,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 415 transitions, 885 flow [2024-11-20 13:53:58,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:58,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:58,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1362 transitions. [2024-11-20 13:53:58,614 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9557894736842105 [2024-11-20 13:53:58,614 INFO L175 Difference]: Start difference. First operand has 408 places, 415 transitions, 856 flow. Second operand 3 states and 1362 transitions. [2024-11-20 13:53:58,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 415 transitions, 885 flow [2024-11-20 13:53:58,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 415 transitions, 885 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:53:58,619 INFO L231 Difference]: Finished difference. Result has 409 places, 414 transitions, 858 flow [2024-11-20 13:53:58,620 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=854, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=858, PETRI_PLACES=409, PETRI_TRANSITIONS=414} [2024-11-20 13:53:58,620 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -27 predicate places. [2024-11-20 13:53:58,621 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 414 transitions, 858 flow [2024-11-20 13:53:58,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 450.3333333333333) internal successors, (1351), 3 states have internal predecessors, (1351), 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 13:53:58,621 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:58,622 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:58,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 13:53:58,622 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:53:58,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:58,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1206147859, now seen corresponding path program 1 times [2024-11-20 13:53:58,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:58,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897574180] [2024-11-20 13:53:58,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:58,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:58,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:58,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:58,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897574180] [2024-11-20 13:53:58,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897574180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:58,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:58,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 13:53:58,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881374576] [2024-11-20 13:53:58,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:58,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:58,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:58,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:58,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:58,670 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 451 out of 475 [2024-11-20 13:53:58,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 414 transitions, 858 flow. Second operand has 3 states, 3 states have (on average 452.6666666666667) internal successors, (1358), 3 states have internal predecessors, (1358), 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 13:53:58,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:58,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 451 of 475 [2024-11-20 13:53:58,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:58,728 INFO L124 PetriNetUnfolderBase]: 44/817 cut-off events. [2024-11-20 13:53:58,728 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2024-11-20 13:53:58,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 883 conditions, 817 events. 44/817 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3839 event pairs, 6 based on Foata normal form. 0/714 useless extension candidates. Maximal degree in co-relation 826. Up to 25 conditions per place. [2024-11-20 13:53:58,733 INFO L140 encePairwiseOnDemand]: 471/475 looper letters, 11 selfloop transitions, 3 changer transitions 0/416 dead transitions. [2024-11-20 13:53:58,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 416 transitions, 891 flow [2024-11-20 13:53:58,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:58,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:58,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1368 transitions. [2024-11-20 13:53:58,736 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.96 [2024-11-20 13:53:58,736 INFO L175 Difference]: Start difference. First operand has 409 places, 414 transitions, 858 flow. Second operand 3 states and 1368 transitions. [2024-11-20 13:53:58,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 416 transitions, 891 flow [2024-11-20 13:53:58,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 416 transitions, 887 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:58,741 INFO L231 Difference]: Finished difference. Result has 411 places, 415 transitions, 872 flow [2024-11-20 13:53:58,741 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=854, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=872, PETRI_PLACES=411, PETRI_TRANSITIONS=415} [2024-11-20 13:53:58,742 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -25 predicate places. [2024-11-20 13:53:58,742 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 415 transitions, 872 flow [2024-11-20 13:53:58,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 452.6666666666667) internal successors, (1358), 3 states have internal predecessors, (1358), 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 13:53:58,743 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:58,743 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] [2024-11-20 13:53:58,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 13:53:58,743 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:53:58,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:58,744 INFO L85 PathProgramCache]: Analyzing trace with hash 65142256, now seen corresponding path program 1 times [2024-11-20 13:53:58,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:58,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357124538] [2024-11-20 13:53:58,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:58,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:58,771 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 13:53:58,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:58,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357124538] [2024-11-20 13:53:58,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357124538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:58,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:58,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:58,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293097751] [2024-11-20 13:53:58,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:58,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:58,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:58,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:58,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:58,786 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 475 [2024-11-20 13:53:58,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 415 transitions, 872 flow. Second operand has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 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 13:53:58,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:58,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 475 [2024-11-20 13:53:58,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:58,908 INFO L124 PetriNetUnfolderBase]: 100/1449 cut-off events. [2024-11-20 13:53:58,909 INFO L125 PetriNetUnfolderBase]: For 23/27 co-relation queries the response was YES. [2024-11-20 13:53:58,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1602 conditions, 1449 events. 100/1449 cut-off events. For 23/27 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 8574 event pairs, 12 based on Foata normal form. 1/1264 useless extension candidates. Maximal degree in co-relation 1544. Up to 89 conditions per place. [2024-11-20 13:53:58,917 INFO L140 encePairwiseOnDemand]: 469/475 looper letters, 16 selfloop transitions, 2 changer transitions 0/416 dead transitions. [2024-11-20 13:53:58,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 416 transitions, 913 flow [2024-11-20 13:53:58,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:58,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:58,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1360 transitions. [2024-11-20 13:53:58,919 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9543859649122807 [2024-11-20 13:53:58,919 INFO L175 Difference]: Start difference. First operand has 411 places, 415 transitions, 872 flow. Second operand 3 states and 1360 transitions. [2024-11-20 13:53:58,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 416 transitions, 913 flow [2024-11-20 13:53:58,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 416 transitions, 907 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:58,924 INFO L231 Difference]: Finished difference. Result has 408 places, 413 transitions, 872 flow [2024-11-20 13:53:58,925 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=872, PETRI_PLACES=408, PETRI_TRANSITIONS=413} [2024-11-20 13:53:58,925 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -28 predicate places. [2024-11-20 13:53:58,925 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 413 transitions, 872 flow [2024-11-20 13:53:58,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 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 13:53:58,926 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:58,926 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] [2024-11-20 13:53:58,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 13:53:58,927 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:53:58,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:58,927 INFO L85 PathProgramCache]: Analyzing trace with hash -877457411, now seen corresponding path program 1 times [2024-11-20 13:53:58,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:58,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233890711] [2024-11-20 13:53:58,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:58,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:58,956 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 13:53:58,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:58,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233890711] [2024-11-20 13:53:58,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233890711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:58,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:58,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:58,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235554463] [2024-11-20 13:53:58,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:58,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:58,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:58,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:58,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:58,975 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 449 out of 475 [2024-11-20 13:53:58,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 413 transitions, 872 flow. Second operand has 3 states, 3 states have (on average 450.6666666666667) internal successors, (1352), 3 states have internal predecessors, (1352), 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 13:53:58,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:58,977 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 449 of 475 [2024-11-20 13:53:58,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:59,044 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1288] thread2EXIT-->L100: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar2_4) (= |v_ULTIMATE.start_main_~t2~0#1_6| v_thread2Thread1of1ForFork1_thidvar0_4) (= 0 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][279], [Black: 493#true, 485#(= |#race~n2~0| 0), 161#L100true, 495#(= |#race~count2~0| 0), 507#(= |#race~get1~0| 0), 509#true, Black: 502#(not |thread1Thread1of1ForFork0_#t~short1|), 491#(= |#race~count1~0| 0), Black: 505#true, Black: 489#true, 473#(= |#race~n1~0| 0)]) [2024-11-20 13:53:59,045 INFO L294 olderBase$Statistics]: this new event has 199 ancestors and is cut-off event [2024-11-20 13:53:59,045 INFO L297 olderBase$Statistics]: existing Event has 199 ancestors and is cut-off event [2024-11-20 13:53:59,045 INFO L297 olderBase$Statistics]: existing Event has 196 ancestors and is cut-off event [2024-11-20 13:53:59,045 INFO L297 olderBase$Statistics]: existing Event has 227 ancestors and is cut-off event [2024-11-20 13:53:59,048 INFO L124 PetriNetUnfolderBase]: 61/910 cut-off events. [2024-11-20 13:53:59,049 INFO L125 PetriNetUnfolderBase]: For 19/24 co-relation queries the response was YES. [2024-11-20 13:53:59,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1024 conditions, 910 events. 61/910 cut-off events. For 19/24 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4406 event pairs, 6 based on Foata normal form. 0/801 useless extension candidates. Maximal degree in co-relation 966. Up to 52 conditions per place. [2024-11-20 13:53:59,055 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 12 selfloop transitions, 2 changer transitions 0/413 dead transitions. [2024-11-20 13:53:59,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 413 transitions, 901 flow [2024-11-20 13:53:59,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:59,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1362 transitions. [2024-11-20 13:53:59,057 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9557894736842105 [2024-11-20 13:53:59,057 INFO L175 Difference]: Start difference. First operand has 408 places, 413 transitions, 872 flow. Second operand 3 states and 1362 transitions. [2024-11-20 13:53:59,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 413 transitions, 901 flow [2024-11-20 13:53:59,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 413 transitions, 901 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:53:59,063 INFO L231 Difference]: Finished difference. Result has 409 places, 412 transitions, 874 flow [2024-11-20 13:53:59,064 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=870, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=874, PETRI_PLACES=409, PETRI_TRANSITIONS=412} [2024-11-20 13:53:59,064 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -27 predicate places. [2024-11-20 13:53:59,065 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 412 transitions, 874 flow [2024-11-20 13:53:59,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 450.6666666666667) internal successors, (1352), 3 states have internal predecessors, (1352), 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 13:53:59,066 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:59,066 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] [2024-11-20 13:53:59,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 13:53:59,066 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:53:59,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:59,066 INFO L85 PathProgramCache]: Analyzing trace with hash 436223562, now seen corresponding path program 1 times [2024-11-20 13:53:59,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:59,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145594893] [2024-11-20 13:53:59,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:59,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:59,094 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 13:53:59,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:59,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145594893] [2024-11-20 13:53:59,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145594893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:59,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:59,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 13:53:59,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743724823] [2024-11-20 13:53:59,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:59,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:59,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:59,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:59,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:59,107 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 451 out of 475 [2024-11-20 13:53:59,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 412 transitions, 874 flow. Second operand has 3 states, 3 states have (on average 453.0) internal successors, (1359), 3 states have internal predecessors, (1359), 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 13:53:59,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:59,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 451 of 475 [2024-11-20 13:53:59,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:59,197 INFO L124 PetriNetUnfolderBase]: 81/1037 cut-off events. [2024-11-20 13:53:59,197 INFO L125 PetriNetUnfolderBase]: For 36/38 co-relation queries the response was YES. [2024-11-20 13:53:59,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1216 conditions, 1037 events. 81/1037 cut-off events. For 36/38 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 5388 event pairs, 12 based on Foata normal form. 0/912 useless extension candidates. Maximal degree in co-relation 1194. Up to 86 conditions per place. [2024-11-20 13:53:59,202 INFO L140 encePairwiseOnDemand]: 471/475 looper letters, 11 selfloop transitions, 3 changer transitions 0/414 dead transitions. [2024-11-20 13:53:59,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 414 transitions, 907 flow [2024-11-20 13:53:59,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:59,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:59,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1368 transitions. [2024-11-20 13:53:59,204 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.96 [2024-11-20 13:53:59,204 INFO L175 Difference]: Start difference. First operand has 409 places, 412 transitions, 874 flow. Second operand 3 states and 1368 transitions. [2024-11-20 13:53:59,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 414 transitions, 907 flow [2024-11-20 13:53:59,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 414 transitions, 903 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:59,210 INFO L231 Difference]: Finished difference. Result has 411 places, 413 transitions, 888 flow [2024-11-20 13:53:59,210 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=870, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=888, PETRI_PLACES=411, PETRI_TRANSITIONS=413} [2024-11-20 13:53:59,211 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -25 predicate places. [2024-11-20 13:53:59,211 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 413 transitions, 888 flow [2024-11-20 13:53:59,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 453.0) internal successors, (1359), 3 states have internal predecessors, (1359), 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 13:53:59,212 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:59,212 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 13:53:59,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 13:53:59,212 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:53:59,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:59,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1409788000, now seen corresponding path program 1 times [2024-11-20 13:53:59,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:59,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147430887] [2024-11-20 13:53:59,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:59,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:59,249 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 13:53:59,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:59,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147430887] [2024-11-20 13:53:59,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147430887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:59,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:59,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:59,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252828136] [2024-11-20 13:53:59,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:59,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:59,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:59,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:59,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:59,269 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 449 out of 475 [2024-11-20 13:53:59,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 413 transitions, 888 flow. Second operand has 3 states, 3 states have (on average 450.3333333333333) internal successors, (1351), 3 states have internal predecessors, (1351), 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 13:53:59,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:59,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 449 of 475 [2024-11-20 13:53:59,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:59,363 INFO L124 PetriNetUnfolderBase]: 75/1317 cut-off events. [2024-11-20 13:53:59,363 INFO L125 PetriNetUnfolderBase]: For 31/35 co-relation queries the response was YES. [2024-11-20 13:53:59,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1531 conditions, 1317 events. 75/1317 cut-off events. For 31/35 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7233 event pairs, 4 based on Foata normal form. 0/1187 useless extension candidates. Maximal degree in co-relation 1471. Up to 36 conditions per place. [2024-11-20 13:53:59,371 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 12 selfloop transitions, 2 changer transitions 0/413 dead transitions. [2024-11-20 13:53:59,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 413 transitions, 917 flow [2024-11-20 13:53:59,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:59,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:59,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1362 transitions. [2024-11-20 13:53:59,373 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9557894736842105 [2024-11-20 13:53:59,373 INFO L175 Difference]: Start difference. First operand has 411 places, 413 transitions, 888 flow. Second operand 3 states and 1362 transitions. [2024-11-20 13:53:59,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 413 transitions, 917 flow [2024-11-20 13:53:59,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 413 transitions, 911 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:59,379 INFO L231 Difference]: Finished difference. Result has 410 places, 412 transitions, 884 flow [2024-11-20 13:53:59,379 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=410, PETRI_TRANSITIONS=412} [2024-11-20 13:53:59,380 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -26 predicate places. [2024-11-20 13:53:59,380 INFO L471 AbstractCegarLoop]: Abstraction has has 410 places, 412 transitions, 884 flow [2024-11-20 13:53:59,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 450.3333333333333) internal successors, (1351), 3 states have internal predecessors, (1351), 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 13:53:59,380 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:59,380 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] [2024-11-20 13:53:59,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 13:53:59,381 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:53:59,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:59,382 INFO L85 PathProgramCache]: Analyzing trace with hash -745107978, now seen corresponding path program 1 times [2024-11-20 13:53:59,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:59,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636969996] [2024-11-20 13:53:59,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:59,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:59,518 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 13:53:59,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:59,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636969996] [2024-11-20 13:53:59,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636969996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:59,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:59,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 13:53:59,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328239511] [2024-11-20 13:53:59,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:59,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 13:53:59,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:59,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 13:53:59,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 13:53:59,799 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 475 [2024-11-20 13:53:59,802 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 412 transitions, 884 flow. Second operand has 8 states, 8 states have (on average 431.125) internal successors, (3449), 8 states have internal predecessors, (3449), 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 13:53:59,802 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:59,802 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 475 [2024-11-20 13:53:59,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:00,031 INFO L124 PetriNetUnfolderBase]: 126/2072 cut-off events. [2024-11-20 13:54:00,031 INFO L125 PetriNetUnfolderBase]: For 10/26 co-relation queries the response was YES. [2024-11-20 13:54:00,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2442 conditions, 2072 events. 126/2072 cut-off events. For 10/26 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 14236 event pairs, 17 based on Foata normal form. 6/1858 useless extension candidates. Maximal degree in co-relation 2404. Up to 72 conditions per place. [2024-11-20 13:54:00,043 INFO L140 encePairwiseOnDemand]: 458/475 looper letters, 44 selfloop transitions, 19 changer transitions 0/439 dead transitions. [2024-11-20 13:54:00,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 439 transitions, 1077 flow [2024-11-20 13:54:00,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 13:54:00,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-20 13:54:00,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 5200 transitions. [2024-11-20 13:54:00,050 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9122807017543859 [2024-11-20 13:54:00,050 INFO L175 Difference]: Start difference. First operand has 410 places, 412 transitions, 884 flow. Second operand 12 states and 5200 transitions. [2024-11-20 13:54:00,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 439 transitions, 1077 flow [2024-11-20 13:54:00,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 439 transitions, 1073 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:54:00,056 INFO L231 Difference]: Finished difference. Result has 425 places, 422 transitions, 981 flow [2024-11-20 13:54:00,056 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=981, PETRI_PLACES=425, PETRI_TRANSITIONS=422} [2024-11-20 13:54:00,057 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -11 predicate places. [2024-11-20 13:54:00,057 INFO L471 AbstractCegarLoop]: Abstraction has has 425 places, 422 transitions, 981 flow [2024-11-20 13:54:00,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 431.125) internal successors, (3449), 8 states have internal predecessors, (3449), 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 13:54:00,058 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:00,058 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] [2024-11-20 13:54:00,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 13:54:00,058 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:54:00,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:00,059 INFO L85 PathProgramCache]: Analyzing trace with hash -315178556, now seen corresponding path program 1 times [2024-11-20 13:54:00,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:00,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933064991] [2024-11-20 13:54:00,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:00,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:00,087 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 13:54:00,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:00,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933064991] [2024-11-20 13:54:00,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933064991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:00,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:00,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:00,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190674281] [2024-11-20 13:54:00,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:00,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:00,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:00,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:00,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:00,100 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 475 [2024-11-20 13:54:00,101 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 422 transitions, 981 flow. Second operand has 3 states, 3 states have (on average 447.6666666666667) internal successors, (1343), 3 states have internal predecessors, (1343), 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 13:54:00,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:00,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 475 [2024-11-20 13:54:00,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:00,277 INFO L124 PetriNetUnfolderBase]: 147/2144 cut-off events. [2024-11-20 13:54:00,277 INFO L125 PetriNetUnfolderBase]: For 55/59 co-relation queries the response was YES. [2024-11-20 13:54:00,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2580 conditions, 2144 events. 147/2144 cut-off events. For 55/59 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 14666 event pairs, 12 based on Foata normal form. 0/1947 useless extension candidates. Maximal degree in co-relation 2511. Up to 130 conditions per place. [2024-11-20 13:54:00,289 INFO L140 encePairwiseOnDemand]: 469/475 looper letters, 16 selfloop transitions, 2 changer transitions 0/423 dead transitions. [2024-11-20 13:54:00,289 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 423 transitions, 1022 flow [2024-11-20 13:54:00,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:00,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:00,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1360 transitions. [2024-11-20 13:54:00,292 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9543859649122807 [2024-11-20 13:54:00,292 INFO L175 Difference]: Start difference. First operand has 425 places, 422 transitions, 981 flow. Second operand 3 states and 1360 transitions. [2024-11-20 13:54:00,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 423 transitions, 1022 flow [2024-11-20 13:54:00,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 423 transitions, 1022 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:54:00,297 INFO L231 Difference]: Finished difference. Result has 424 places, 420 transitions, 987 flow [2024-11-20 13:54:00,297 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=973, PETRI_DIFFERENCE_MINUEND_PLACES=421, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=987, PETRI_PLACES=424, PETRI_TRANSITIONS=420} [2024-11-20 13:54:00,298 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -12 predicate places. [2024-11-20 13:54:00,298 INFO L471 AbstractCegarLoop]: Abstraction has has 424 places, 420 transitions, 987 flow [2024-11-20 13:54:00,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 447.6666666666667) internal successors, (1343), 3 states have internal predecessors, (1343), 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 13:54:00,298 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:00,298 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:54:00,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 13:54:00,299 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:54:00,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:00,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1348836669, now seen corresponding path program 1 times [2024-11-20 13:54:00,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:00,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304834355] [2024-11-20 13:54:00,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:00,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:00,338 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 13:54:00,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:00,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304834355] [2024-11-20 13:54:00,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304834355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:00,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:00,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:00,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857486226] [2024-11-20 13:54:00,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:00,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:00,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:00,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:00,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:00,358 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 449 out of 475 [2024-11-20 13:54:00,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 420 transitions, 987 flow. Second operand has 3 states, 3 states have (on average 450.6666666666667) internal successors, (1352), 3 states have internal predecessors, (1352), 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 13:54:00,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:00,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 449 of 475 [2024-11-20 13:54:00,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:00,505 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1288] thread2EXIT-->L100: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar2_4) (= |v_ULTIMATE.start_main_~t2~0#1_6| v_thread2Thread1of1ForFork1_thidvar0_4) (= 0 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][264], [Black: 531#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 485#(= |#race~n2~0| 0), Black: 514#(not |thread2Thread1of1ForFork1_#t~short10|), 161#L100true, Black: 546#true, 491#(= |#race~count1~0| 0), Black: 489#true, 548#(= |#race~get2~0| 0), 550#true, 473#(= |#race~n1~0| 0), Black: 493#true, 495#(= |#race~count2~0| 0), 507#(= |#race~get1~0| 0), Black: 502#(not |thread1Thread1of1ForFork0_#t~short1|), Black: 505#true, Black: 526#(and (<= ~n1~0 0) (= thread1Thread1of1ForFork0_~i~0 0)), Black: 533#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 525#(<= ~n1~0 0), 520#true, Black: 539#(and (<= ~n1~0 0) (= thread1Thread1of1ForFork0_~i~0 0) (not |thread1Thread1of1ForFork0_#t~short1|))]) [2024-11-20 13:54:00,505 INFO L294 olderBase$Statistics]: this new event has 245 ancestors and is cut-off event [2024-11-20 13:54:00,505 INFO L297 olderBase$Statistics]: existing Event has 214 ancestors and is cut-off event [2024-11-20 13:54:00,506 INFO L297 olderBase$Statistics]: existing Event has 214 ancestors and is cut-off event [2024-11-20 13:54:00,506 INFO L297 olderBase$Statistics]: existing Event has 214 ancestors and is cut-off event [2024-11-20 13:54:00,511 INFO L124 PetriNetUnfolderBase]: 114/1636 cut-off events. [2024-11-20 13:54:00,511 INFO L125 PetriNetUnfolderBase]: For 56/63 co-relation queries the response was YES. [2024-11-20 13:54:00,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2022 conditions, 1636 events. 114/1636 cut-off events. For 56/63 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 10084 event pairs, 10 based on Foata normal form. 0/1494 useless extension candidates. Maximal degree in co-relation 1952. Up to 96 conditions per place. [2024-11-20 13:54:00,518 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 12 selfloop transitions, 2 changer transitions 0/420 dead transitions. [2024-11-20 13:54:00,518 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 420 transitions, 1016 flow [2024-11-20 13:54:00,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:00,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:00,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1362 transitions. [2024-11-20 13:54:00,521 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9557894736842105 [2024-11-20 13:54:00,521 INFO L175 Difference]: Start difference. First operand has 424 places, 420 transitions, 987 flow. Second operand 3 states and 1362 transitions. [2024-11-20 13:54:00,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 420 transitions, 1016 flow [2024-11-20 13:54:00,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 420 transitions, 1016 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:54:00,526 INFO L231 Difference]: Finished difference. Result has 425 places, 419 transitions, 989 flow [2024-11-20 13:54:00,526 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=985, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=989, PETRI_PLACES=425, PETRI_TRANSITIONS=419} [2024-11-20 13:54:00,527 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -11 predicate places. [2024-11-20 13:54:00,527 INFO L471 AbstractCegarLoop]: Abstraction has has 425 places, 419 transitions, 989 flow [2024-11-20 13:54:00,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 450.6666666666667) internal successors, (1352), 3 states have internal predecessors, (1352), 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 13:54:00,527 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:00,528 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:54:00,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-20 13:54:00,528 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:54:00,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:00,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1660368170, now seen corresponding path program 1 times [2024-11-20 13:54:00,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:00,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428316280] [2024-11-20 13:54:00,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:00,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:00,664 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 13:54:00,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:00,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428316280] [2024-11-20 13:54:00,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428316280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:00,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:00,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 13:54:00,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580797215] [2024-11-20 13:54:00,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:00,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 13:54:00,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:00,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 13:54:00,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 13:54:00,872 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 475 [2024-11-20 13:54:00,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 419 transitions, 989 flow. Second operand has 8 states, 8 states have (on average 431.25) internal successors, (3450), 8 states have internal predecessors, (3450), 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 13:54:00,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:00,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 475 [2024-11-20 13:54:00,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:01,079 INFO L124 PetriNetUnfolderBase]: 123/1434 cut-off events. [2024-11-20 13:54:01,079 INFO L125 PetriNetUnfolderBase]: For 83/86 co-relation queries the response was YES. [2024-11-20 13:54:01,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1911 conditions, 1434 events. 123/1434 cut-off events. For 83/86 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 8374 event pairs, 18 based on Foata normal form. 0/1313 useless extension candidates. Maximal degree in co-relation 1838. Up to 124 conditions per place. [2024-11-20 13:54:01,089 INFO L140 encePairwiseOnDemand]: 458/475 looper letters, 46 selfloop transitions, 20 changer transitions 0/444 dead transitions. [2024-11-20 13:54:01,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 444 transitions, 1186 flow [2024-11-20 13:54:01,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 13:54:01,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-20 13:54:01,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 5202 transitions. [2024-11-20 13:54:01,096 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9126315789473685 [2024-11-20 13:54:01,096 INFO L175 Difference]: Start difference. First operand has 425 places, 419 transitions, 989 flow. Second operand 12 states and 5202 transitions. [2024-11-20 13:54:01,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 444 transitions, 1186 flow [2024-11-20 13:54:01,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 444 transitions, 1182 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:54:01,102 INFO L231 Difference]: Finished difference. Result has 438 places, 425 transitions, 1073 flow [2024-11-20 13:54:01,103 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=985, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1073, PETRI_PLACES=438, PETRI_TRANSITIONS=425} [2024-11-20 13:54:01,103 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, 2 predicate places. [2024-11-20 13:54:01,103 INFO L471 AbstractCegarLoop]: Abstraction has has 438 places, 425 transitions, 1073 flow [2024-11-20 13:54:01,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 431.25) internal successors, (3450), 8 states have internal predecessors, (3450), 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 13:54:01,109 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:01,109 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:54:01,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-20 13:54:01,109 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:54:01,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:01,109 INFO L85 PathProgramCache]: Analyzing trace with hash -942378442, now seen corresponding path program 1 times [2024-11-20 13:54:01,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:01,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880054151] [2024-11-20 13:54:01,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:01,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:01,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 13:54:01,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:01,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880054151] [2024-11-20 13:54:01,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880054151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:01,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:01,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 13:54:01,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512870881] [2024-11-20 13:54:01,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:01,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 13:54:01,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:01,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 13:54:01,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 13:54:01,627 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 475 [2024-11-20 13:54:01,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 425 transitions, 1073 flow. Second operand has 8 states, 8 states have (on average 431.25) internal successors, (3450), 8 states have internal predecessors, (3450), 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 13:54:01,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:01,630 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 475 [2024-11-20 13:54:01,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:01,927 INFO L124 PetriNetUnfolderBase]: 189/2781 cut-off events. [2024-11-20 13:54:01,927 INFO L125 PetriNetUnfolderBase]: For 255/284 co-relation queries the response was YES. [2024-11-20 13:54:01,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3751 conditions, 2781 events. 189/2781 cut-off events. For 255/284 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 20630 event pairs, 28 based on Foata normal form. 8/2596 useless extension candidates. Maximal degree in co-relation 3671. Up to 129 conditions per place. [2024-11-20 13:54:01,944 INFO L140 encePairwiseOnDemand]: 459/475 looper letters, 50 selfloop transitions, 21 changer transitions 0/450 dead transitions. [2024-11-20 13:54:01,945 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 450 transitions, 1318 flow [2024-11-20 13:54:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 13:54:01,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-20 13:54:01,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4763 transitions. [2024-11-20 13:54:01,950 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.911578947368421 [2024-11-20 13:54:01,950 INFO L175 Difference]: Start difference. First operand has 438 places, 425 transitions, 1073 flow. Second operand 11 states and 4763 transitions. [2024-11-20 13:54:01,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 450 transitions, 1318 flow [2024-11-20 13:54:01,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 450 transitions, 1301 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-20 13:54:01,957 INFO L231 Difference]: Finished difference. Result has 447 places, 439 transitions, 1210 flow [2024-11-20 13:54:01,957 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=1056, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1210, PETRI_PLACES=447, PETRI_TRANSITIONS=439} [2024-11-20 13:54:01,958 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, 11 predicate places. [2024-11-20 13:54:01,958 INFO L471 AbstractCegarLoop]: Abstraction has has 447 places, 439 transitions, 1210 flow [2024-11-20 13:54:01,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 431.25) internal successors, (3450), 8 states have internal predecessors, (3450), 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 13:54:01,958 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:01,958 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:54:01,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-20 13:54:01,959 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:54:01,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:01,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1144460950, now seen corresponding path program 1 times [2024-11-20 13:54:01,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:01,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934051256] [2024-11-20 13:54:01,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:01,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:02,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 13:54:02,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:02,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934051256] [2024-11-20 13:54:02,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934051256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:02,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:02,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 13:54:02,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762123379] [2024-11-20 13:54:02,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:02,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 13:54:02,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:02,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 13:54:02,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 13:54:02,364 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 475 [2024-11-20 13:54:02,365 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 439 transitions, 1210 flow. Second operand has 8 states, 8 states have (on average 431.375) internal successors, (3451), 8 states have internal predecessors, (3451), 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 13:54:02,365 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:02,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 475 [2024-11-20 13:54:02,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:02,601 INFO L124 PetriNetUnfolderBase]: 162/1951 cut-off events. [2024-11-20 13:54:02,601 INFO L125 PetriNetUnfolderBase]: For 329/334 co-relation queries the response was YES. [2024-11-20 13:54:02,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2821 conditions, 1951 events. 162/1951 cut-off events. For 329/334 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 12759 event pairs, 25 based on Foata normal form. 8/1815 useless extension candidates. Maximal degree in co-relation 2732. Up to 164 conditions per place. [2024-11-20 13:54:02,615 INFO L140 encePairwiseOnDemand]: 458/475 looper letters, 44 selfloop transitions, 25 changer transitions 0/456 dead transitions. [2024-11-20 13:54:02,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 456 transitions, 1425 flow [2024-11-20 13:54:02,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 13:54:02,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-20 13:54:02,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 5191 transitions. [2024-11-20 13:54:02,622 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9107017543859649 [2024-11-20 13:54:02,623 INFO L175 Difference]: Start difference. First operand has 447 places, 439 transitions, 1210 flow. Second operand 12 states and 5191 transitions. [2024-11-20 13:54:02,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 456 transitions, 1425 flow [2024-11-20 13:54:02,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 456 transitions, 1421 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:54:02,630 INFO L231 Difference]: Finished difference. Result has 461 places, 448 transitions, 1351 flow [2024-11-20 13:54:02,631 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=1206, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1351, PETRI_PLACES=461, PETRI_TRANSITIONS=448} [2024-11-20 13:54:02,631 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, 25 predicate places. [2024-11-20 13:54:02,632 INFO L471 AbstractCegarLoop]: Abstraction has has 461 places, 448 transitions, 1351 flow [2024-11-20 13:54:02,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 431.375) internal successors, (3451), 8 states have internal predecessors, (3451), 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 13:54:02,632 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:02,632 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:54:02,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-20 13:54:02,633 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:54:02,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:02,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1196552277, now seen corresponding path program 1 times [2024-11-20 13:54:02,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:02,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647397741] [2024-11-20 13:54:02,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:02,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:02,660 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 13:54:02,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:02,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647397741] [2024-11-20 13:54:02,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647397741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:02,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:02,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 13:54:02,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159692069] [2024-11-20 13:54:02,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:02,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:02,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:02,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:02,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:02,670 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 451 out of 475 [2024-11-20 13:54:02,671 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 448 transitions, 1351 flow. Second operand has 3 states, 3 states have (on average 454.3333333333333) internal successors, (1363), 3 states have internal predecessors, (1363), 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 13:54:02,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:02,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 451 of 475 [2024-11-20 13:54:02,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:02,891 INFO L124 PetriNetUnfolderBase]: 145/2656 cut-off events. [2024-11-20 13:54:02,891 INFO L125 PetriNetUnfolderBase]: For 584/591 co-relation queries the response was YES. [2024-11-20 13:54:02,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3698 conditions, 2656 events. 145/2656 cut-off events. For 584/591 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 19428 event pairs, 17 based on Foata normal form. 1/2463 useless extension candidates. Maximal degree in co-relation 3601. Up to 77 conditions per place. [2024-11-20 13:54:02,907 INFO L140 encePairwiseOnDemand]: 471/475 looper letters, 15 selfloop transitions, 2 changer transitions 0/453 dead transitions. [2024-11-20 13:54:02,907 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 453 transitions, 1398 flow [2024-11-20 13:54:02,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:02,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1372 transitions. [2024-11-20 13:54:02,909 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9628070175438597 [2024-11-20 13:54:02,909 INFO L175 Difference]: Start difference. First operand has 461 places, 448 transitions, 1351 flow. Second operand 3 states and 1372 transitions. [2024-11-20 13:54:02,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 453 transitions, 1398 flow [2024-11-20 13:54:02,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 453 transitions, 1381 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-20 13:54:02,917 INFO L231 Difference]: Finished difference. Result has 459 places, 450 transitions, 1354 flow [2024-11-20 13:54:02,917 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=1334, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1354, PETRI_PLACES=459, PETRI_TRANSITIONS=450} [2024-11-20 13:54:02,918 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, 23 predicate places. [2024-11-20 13:54:02,918 INFO L471 AbstractCegarLoop]: Abstraction has has 459 places, 450 transitions, 1354 flow [2024-11-20 13:54:02,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 454.3333333333333) internal successors, (1363), 3 states have internal predecessors, (1363), 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 13:54:02,918 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:02,918 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:54:02,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-20 13:54:02,918 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:54:02,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:02,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1331539059, now seen corresponding path program 2 times [2024-11-20 13:54:02,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:02,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849322944] [2024-11-20 13:54:02,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:02,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:02,945 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 13:54:02,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:02,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849322944] [2024-11-20 13:54:02,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849322944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:02,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:02,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 13:54:02,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656803952] [2024-11-20 13:54:02,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:02,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:02,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:02,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:02,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:02,954 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 451 out of 475 [2024-11-20 13:54:02,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 450 transitions, 1354 flow. Second operand has 3 states, 3 states have (on average 454.3333333333333) internal successors, (1363), 3 states have internal predecessors, (1363), 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 13:54:02,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:02,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 451 of 475 [2024-11-20 13:54:02,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:03,237 INFO L124 PetriNetUnfolderBase]: 139/2631 cut-off events. [2024-11-20 13:54:03,237 INFO L125 PetriNetUnfolderBase]: For 757/777 co-relation queries the response was YES. [2024-11-20 13:54:03,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3819 conditions, 2631 events. 139/2631 cut-off events. For 757/777 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 19168 event pairs, 13 based on Foata normal form. 13/2478 useless extension candidates. Maximal degree in co-relation 3720. Up to 72 conditions per place. [2024-11-20 13:54:03,253 INFO L140 encePairwiseOnDemand]: 471/475 looper letters, 17 selfloop transitions, 2 changer transitions 0/455 dead transitions. [2024-11-20 13:54:03,253 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 455 transitions, 1409 flow [2024-11-20 13:54:03,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:03,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:03,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1372 transitions. [2024-11-20 13:54:03,254 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9628070175438597 [2024-11-20 13:54:03,254 INFO L175 Difference]: Start difference. First operand has 459 places, 450 transitions, 1354 flow. Second operand 3 states and 1372 transitions. [2024-11-20 13:54:03,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 455 transitions, 1409 flow [2024-11-20 13:54:03,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 455 transitions, 1407 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:54:03,264 INFO L231 Difference]: Finished difference. Result has 462 places, 452 transitions, 1376 flow [2024-11-20 13:54:03,264 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=1352, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1376, PETRI_PLACES=462, PETRI_TRANSITIONS=452} [2024-11-20 13:54:03,265 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, 26 predicate places. [2024-11-20 13:54:03,265 INFO L471 AbstractCegarLoop]: Abstraction has has 462 places, 452 transitions, 1376 flow [2024-11-20 13:54:03,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 454.3333333333333) internal successors, (1363), 3 states have internal predecessors, (1363), 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 13:54:03,265 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:03,266 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:54:03,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-20 13:54:03,266 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:54:03,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:03,266 INFO L85 PathProgramCache]: Analyzing trace with hash 318532884, now seen corresponding path program 1 times [2024-11-20 13:54:03,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:03,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676680247] [2024-11-20 13:54:03,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:03,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:03,298 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 13:54:03,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:03,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676680247] [2024-11-20 13:54:03,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676680247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:03,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:03,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:03,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789415859] [2024-11-20 13:54:03,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:03,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:03,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:03,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:03,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:03,316 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 447 out of 475 [2024-11-20 13:54:03,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 452 transitions, 1376 flow. Second operand has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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 13:54:03,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:03,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 447 of 475 [2024-11-20 13:54:03,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:03,524 INFO L124 PetriNetUnfolderBase]: 126/2491 cut-off events. [2024-11-20 13:54:03,525 INFO L125 PetriNetUnfolderBase]: For 645/687 co-relation queries the response was YES. [2024-11-20 13:54:03,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3667 conditions, 2491 events. 126/2491 cut-off events. For 645/687 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 17794 event pairs, 10 based on Foata normal form. 0/2358 useless extension candidates. Maximal degree in co-relation 3571. Up to 74 conditions per place. [2024-11-20 13:54:03,576 INFO L140 encePairwiseOnDemand]: 471/475 looper letters, 12 selfloop transitions, 1 changer transitions 0/449 dead transitions. [2024-11-20 13:54:03,576 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 449 transitions, 1396 flow [2024-11-20 13:54:03,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:03,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:03,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1357 transitions. [2024-11-20 13:54:03,578 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.952280701754386 [2024-11-20 13:54:03,578 INFO L175 Difference]: Start difference. First operand has 462 places, 452 transitions, 1376 flow. Second operand 3 states and 1357 transitions. [2024-11-20 13:54:03,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 449 transitions, 1396 flow [2024-11-20 13:54:03,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 449 transitions, 1390 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-20 13:54:03,586 INFO L231 Difference]: Finished difference. Result has 460 places, 449 transitions, 1366 flow [2024-11-20 13:54:03,586 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=1364, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1366, PETRI_PLACES=460, PETRI_TRANSITIONS=449} [2024-11-20 13:54:03,586 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, 24 predicate places. [2024-11-20 13:54:03,586 INFO L471 AbstractCegarLoop]: Abstraction has has 460 places, 449 transitions, 1366 flow [2024-11-20 13:54:03,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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 13:54:03,587 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:03,587 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:54:03,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-20 13:54:03,587 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:54:03,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:03,587 INFO L85 PathProgramCache]: Analyzing trace with hash 994397043, now seen corresponding path program 1 times [2024-11-20 13:54:03,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:03,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492538053] [2024-11-20 13:54:03,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:03,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:03,613 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 13:54:03,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:03,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492538053] [2024-11-20 13:54:03,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492538053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:03,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:03,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:03,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415991846] [2024-11-20 13:54:03,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:03,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:03,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:03,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:03,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:03,631 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 447 out of 475 [2024-11-20 13:54:03,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 449 transitions, 1366 flow. Second operand has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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 13:54:03,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:03,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 447 of 475 [2024-11-20 13:54:03,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:03,833 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1288] thread2EXIT-->L100: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar2_4) (= |v_ULTIMATE.start_main_~t2~0#1_6| v_thread2Thread1of1ForFork1_thidvar0_4) (= 0 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][272], [Black: 559#(and (<= ~n1~0 0) (= thread2Thread1of1ForFork1_~i~1 0)), 553#true, 161#L100true, Black: 514#(not |thread2Thread1of1ForFork1_#t~short10|), 639#true, 491#(= |#race~count1~0| 0), 602#true, 473#(= |#race~n1~0| 0), 633#(= ~count2~0 ~count1~0), Black: 588#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 495#(= |#race~count2~0| 0), Black: 582#(<= ~n2~0 0), Black: 583#(and (= thread1Thread1of1ForFork0_~i~0 0) (<= ~n2~0 0)), Black: 590#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n2~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 596#(and (= thread1Thread1of1ForFork0_~i~0 0) (<= ~n2~0 0) (not |thread1Thread1of1ForFork0_#t~short1|)), Black: 526#(and (<= ~n1~0 0) (= thread1Thread1of1ForFork0_~i~0 0)), Black: 533#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 525#(<= ~n1~0 0), Black: 539#(and (<= ~n1~0 0) (= thread1Thread1of1ForFork0_~i~0 0) (not |thread1Thread1of1ForFork0_#t~short1|)), Black: 531#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 485#(= |#race~n2~0| 0), Black: 546#true, Black: 489#true, 548#(= |#race~get2~0| 0), Black: 608#(and (= thread2Thread1of1ForFork1_~i~1 0) (<= ~n2~0 0)), Black: 621#(and (not |thread2Thread1of1ForFork1_#t~short10|) (= thread2Thread1of1ForFork1_~i~1 0) (<= ~n2~0 0)), Black: 493#true, Black: 607#(<= ~n2~0 0), Black: 628#(not (= ~count2~0 ~count1~0)), 507#(= |#race~get1~0| 0), Black: 502#(not |thread1Thread1of1ForFork0_#t~short1|), Black: 631#true, Black: 505#true, Black: 572#(and (<= ~n1~0 0) (not |thread2Thread1of1ForFork1_#t~short10|) (= thread2Thread1of1ForFork1_~i~1 0)), 636#true, 520#true, Black: 558#(<= ~n1~0 0)]) [2024-11-20 13:54:03,833 INFO L294 olderBase$Statistics]: this new event has 238 ancestors and is cut-off event [2024-11-20 13:54:03,833 INFO L297 olderBase$Statistics]: existing Event has 260 ancestors and is cut-off event [2024-11-20 13:54:03,833 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2024-11-20 13:54:03,833 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2024-11-20 13:54:03,837 INFO L124 PetriNetUnfolderBase]: 128/2358 cut-off events. [2024-11-20 13:54:03,837 INFO L125 PetriNetUnfolderBase]: For 494/520 co-relation queries the response was YES. [2024-11-20 13:54:03,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3399 conditions, 2358 events. 128/2358 cut-off events. For 494/520 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 16586 event pairs, 10 based on Foata normal form. 9/2240 useless extension candidates. Maximal degree in co-relation 3303. Up to 99 conditions per place. [2024-11-20 13:54:03,851 INFO L140 encePairwiseOnDemand]: 469/475 looper letters, 6 selfloop transitions, 0 changer transitions 87/448 dead transitions. [2024-11-20 13:54:03,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 448 transitions, 1392 flow [2024-11-20 13:54:03,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:03,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:03,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1358 transitions. [2024-11-20 13:54:03,852 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9529824561403509 [2024-11-20 13:54:03,852 INFO L175 Difference]: Start difference. First operand has 460 places, 449 transitions, 1366 flow. Second operand 3 states and 1358 transitions. [2024-11-20 13:54:03,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 448 transitions, 1392 flow [2024-11-20 13:54:03,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 448 transitions, 1391 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:54:03,859 INFO L231 Difference]: Finished difference. Result has 458 places, 361 transitions, 945 flow [2024-11-20 13:54:03,860 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=1359, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=945, PETRI_PLACES=458, PETRI_TRANSITIONS=361} [2024-11-20 13:54:03,860 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, 22 predicate places. [2024-11-20 13:54:03,860 INFO L471 AbstractCegarLoop]: Abstraction has has 458 places, 361 transitions, 945 flow [2024-11-20 13:54:03,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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 13:54:03,860 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:03,860 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:54:03,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-20 13:54:03,861 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:54:03,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:03,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1625429660, now seen corresponding path program 1 times [2024-11-20 13:54:03,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:03,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508037608] [2024-11-20 13:54:03,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:03,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:04,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 13:54:04,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:04,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508037608] [2024-11-20 13:54:04,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508037608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:04,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:04,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:54:04,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843787341] [2024-11-20 13:54:04,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:04,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:54:04,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:04,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:54:04,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:54:04,471 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 475 [2024-11-20 13:54:04,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 361 transitions, 945 flow. Second operand has 6 states, 6 states have (on average 436.8333333333333) internal successors, (2621), 6 states have internal predecessors, (2621), 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 13:54:04,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:04,472 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 475 [2024-11-20 13:54:04,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:04,605 INFO L124 PetriNetUnfolderBase]: 85/1368 cut-off events. [2024-11-20 13:54:04,606 INFO L125 PetriNetUnfolderBase]: For 287/288 co-relation queries the response was YES. [2024-11-20 13:54:04,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2034 conditions, 1368 events. 85/1368 cut-off events. For 287/288 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 8453 event pairs, 4 based on Foata normal form. 0/1284 useless extension candidates. Maximal degree in co-relation 2004. Up to 42 conditions per place. [2024-11-20 13:54:04,614 INFO L140 encePairwiseOnDemand]: 467/475 looper letters, 25 selfloop transitions, 6 changer transitions 0/364 dead transitions. [2024-11-20 13:54:04,614 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 364 transitions, 1021 flow [2024-11-20 13:54:04,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:54:04,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:54:04,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2637 transitions. [2024-11-20 13:54:04,616 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9252631578947368 [2024-11-20 13:54:04,616 INFO L175 Difference]: Start difference. First operand has 458 places, 361 transitions, 945 flow. Second operand 6 states and 2637 transitions. [2024-11-20 13:54:04,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 364 transitions, 1021 flow [2024-11-20 13:54:04,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 364 transitions, 915 flow, removed 22 selfloop flow, removed 28 redundant places. [2024-11-20 13:54:04,621 INFO L231 Difference]: Finished difference. Result has 375 places, 360 transitions, 858 flow [2024-11-20 13:54:04,621 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=839, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=858, PETRI_PLACES=375, PETRI_TRANSITIONS=360} [2024-11-20 13:54:04,622 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -61 predicate places. [2024-11-20 13:54:04,622 INFO L471 AbstractCegarLoop]: Abstraction has has 375 places, 360 transitions, 858 flow [2024-11-20 13:54:04,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 436.8333333333333) internal successors, (2621), 6 states have internal predecessors, (2621), 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 13:54:04,622 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:04,622 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:54:04,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-20 13:54:04,622 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:54:04,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:04,623 INFO L85 PathProgramCache]: Analyzing trace with hash 684140880, now seen corresponding path program 1 times [2024-11-20 13:54:04,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:04,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006983251] [2024-11-20 13:54:04,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:04,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 13:54:04,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:04,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006983251] [2024-11-20 13:54:04,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006983251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:04,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:04,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:54:04,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360318451] [2024-11-20 13:54:04,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:04,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:54:04,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:04,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:54:04,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:54:05,319 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 475 [2024-11-20 13:54:05,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 360 transitions, 858 flow. Second operand has 6 states, 6 states have (on average 437.0) internal successors, (2622), 6 states have internal predecessors, (2622), 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 13:54:05,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:05,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 475 [2024-11-20 13:54:05,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:05,426 INFO L124 PetriNetUnfolderBase]: 89/1146 cut-off events. [2024-11-20 13:54:05,426 INFO L125 PetriNetUnfolderBase]: For 114/117 co-relation queries the response was YES. [2024-11-20 13:54:05,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1547 conditions, 1146 events. 89/1146 cut-off events. For 114/117 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6527 event pairs, 5 based on Foata normal form. 0/1085 useless extension candidates. Maximal degree in co-relation 1529. Up to 66 conditions per place. [2024-11-20 13:54:05,431 INFO L140 encePairwiseOnDemand]: 467/475 looper letters, 25 selfloop transitions, 6 changer transitions 0/363 dead transitions. [2024-11-20 13:54:05,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 363 transitions, 930 flow [2024-11-20 13:54:05,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:54:05,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:54:05,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2637 transitions. [2024-11-20 13:54:05,433 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9252631578947368 [2024-11-20 13:54:05,433 INFO L175 Difference]: Start difference. First operand has 375 places, 360 transitions, 858 flow. Second operand 6 states and 2637 transitions. [2024-11-20 13:54:05,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 363 transitions, 930 flow [2024-11-20 13:54:05,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 363 transitions, 921 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-20 13:54:05,437 INFO L231 Difference]: Finished difference. Result has 375 places, 359 transitions, 864 flow [2024-11-20 13:54:05,438 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=845, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=864, PETRI_PLACES=375, PETRI_TRANSITIONS=359} [2024-11-20 13:54:05,439 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -61 predicate places. [2024-11-20 13:54:05,439 INFO L471 AbstractCegarLoop]: Abstraction has has 375 places, 359 transitions, 864 flow [2024-11-20 13:54:05,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 437.0) internal successors, (2622), 6 states have internal predecessors, (2622), 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 13:54:05,441 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:05,441 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:54:05,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-20 13:54:05,441 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:54:05,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:05,442 INFO L85 PathProgramCache]: Analyzing trace with hash 2045752898, now seen corresponding path program 1 times [2024-11-20 13:54:05,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:05,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137407420] [2024-11-20 13:54:05,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:05,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:05,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 13:54:05,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:05,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137407420] [2024-11-20 13:54:05,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137407420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:05,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:05,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:54:05,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230814856] [2024-11-20 13:54:05,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:05,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:54:05,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:05,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:54:05,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:54:06,053 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 475 [2024-11-20 13:54:06,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 359 transitions, 864 flow. Second operand has 6 states, 6 states have (on average 436.8333333333333) internal successors, (2621), 6 states have internal predecessors, (2621), 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 13:54:06,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:06,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 475 [2024-11-20 13:54:06,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:06,229 INFO L124 PetriNetUnfolderBase]: 79/1333 cut-off events. [2024-11-20 13:54:06,229 INFO L125 PetriNetUnfolderBase]: For 110/111 co-relation queries the response was YES. [2024-11-20 13:54:06,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1775 conditions, 1333 events. 79/1333 cut-off events. For 110/111 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 8016 event pairs, 4 based on Foata normal form. 0/1273 useless extension candidates. Maximal degree in co-relation 1756. Up to 42 conditions per place. [2024-11-20 13:54:06,238 INFO L140 encePairwiseOnDemand]: 467/475 looper letters, 25 selfloop transitions, 6 changer transitions 0/361 dead transitions. [2024-11-20 13:54:06,238 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 361 transitions, 934 flow [2024-11-20 13:54:06,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:54:06,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:54:06,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2637 transitions. [2024-11-20 13:54:06,241 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9252631578947368 [2024-11-20 13:54:06,241 INFO L175 Difference]: Start difference. First operand has 375 places, 359 transitions, 864 flow. Second operand 6 states and 2637 transitions. [2024-11-20 13:54:06,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 361 transitions, 934 flow [2024-11-20 13:54:06,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 361 transitions, 925 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-20 13:54:06,246 INFO L231 Difference]: Finished difference. Result has 374 places, 357 transitions, 863 flow [2024-11-20 13:54:06,247 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=851, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=863, PETRI_PLACES=374, PETRI_TRANSITIONS=357} [2024-11-20 13:54:06,247 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -62 predicate places. [2024-11-20 13:54:06,247 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 357 transitions, 863 flow [2024-11-20 13:54:06,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 436.8333333333333) internal successors, (2621), 6 states have internal predecessors, (2621), 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 13:54:06,248 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:06,248 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:54:06,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-20 13:54:06,248 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:54:06,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:06,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1744380554, now seen corresponding path program 1 times [2024-11-20 13:54:06,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:06,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056470969] [2024-11-20 13:54:06,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:06,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:06,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 13:54:06,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:06,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056470969] [2024-11-20 13:54:06,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056470969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:06,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:06,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:54:06,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061436318] [2024-11-20 13:54:06,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:06,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:54:06,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:06,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:54:06,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:54:06,886 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 475 [2024-11-20 13:54:06,887 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 357 transitions, 863 flow. Second operand has 6 states, 6 states have (on average 437.0) internal successors, (2622), 6 states have internal predecessors, (2622), 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 13:54:06,887 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:06,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 475 [2024-11-20 13:54:06,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:06,994 INFO L124 PetriNetUnfolderBase]: 84/1120 cut-off events. [2024-11-20 13:54:06,995 INFO L125 PetriNetUnfolderBase]: For 136/139 co-relation queries the response was YES. [2024-11-20 13:54:06,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1528 conditions, 1120 events. 84/1120 cut-off events. For 136/139 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6159 event pairs, 5 based on Foata normal form. 0/1079 useless extension candidates. Maximal degree in co-relation 1509. Up to 61 conditions per place. [2024-11-20 13:54:07,000 INFO L140 encePairwiseOnDemand]: 467/475 looper letters, 25 selfloop transitions, 6 changer transitions 0/359 dead transitions. [2024-11-20 13:54:07,000 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 359 transitions, 933 flow [2024-11-20 13:54:07,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:54:07,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:54:07,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2637 transitions. [2024-11-20 13:54:07,002 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9252631578947368 [2024-11-20 13:54:07,002 INFO L175 Difference]: Start difference. First operand has 374 places, 357 transitions, 863 flow. Second operand 6 states and 2637 transitions. [2024-11-20 13:54:07,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 359 transitions, 933 flow [2024-11-20 13:54:07,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 359 transitions, 921 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:54:07,007 INFO L231 Difference]: Finished difference. Result has 372 places, 355 transitions, 859 flow [2024-11-20 13:54:07,007 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=847, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=859, PETRI_PLACES=372, PETRI_TRANSITIONS=355} [2024-11-20 13:54:07,007 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -64 predicate places. [2024-11-20 13:54:07,007 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 355 transitions, 859 flow [2024-11-20 13:54:07,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 437.0) internal successors, (2622), 6 states have internal predecessors, (2622), 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 13:54:07,008 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:07,008 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:54:07,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-20 13:54:07,008 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread1Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:54:07,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:07,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1514730149, now seen corresponding path program 1 times [2024-11-20 13:54:07,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:07,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052043702] [2024-11-20 13:54:07,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:07,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:07,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 13:54:07,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:07,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052043702] [2024-11-20 13:54:07,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052043702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:07,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:07,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:07,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412636695] [2024-11-20 13:54:07,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:07,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:07,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:07,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:07,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:07,069 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 449 out of 475 [2024-11-20 13:54:07,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 355 transitions, 859 flow. Second operand has 3 states, 3 states have (on average 450.3333333333333) internal successors, (1351), 3 states have internal predecessors, (1351), 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 13:54:07,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:07,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 449 of 475 [2024-11-20 13:54:07,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:07,160 INFO L124 PetriNetUnfolderBase]: 66/1173 cut-off events. [2024-11-20 13:54:07,160 INFO L125 PetriNetUnfolderBase]: For 100/103 co-relation queries the response was YES. [2024-11-20 13:54:07,165 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1518 conditions, 1173 events. 66/1173 cut-off events. For 100/103 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 6293 event pairs, 4 based on Foata normal form. 0/1135 useless extension candidates. Maximal degree in co-relation 1499. Up to 36 conditions per place. [2024-11-20 13:54:07,167 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 7 selfloop transitions, 2 changer transitions 0/355 dead transitions. [2024-11-20 13:54:07,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 355 transitions, 878 flow [2024-11-20 13:54:07,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:07,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:07,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1357 transitions. [2024-11-20 13:54:07,168 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.952280701754386 [2024-11-20 13:54:07,168 INFO L175 Difference]: Start difference. First operand has 372 places, 355 transitions, 859 flow. Second operand 3 states and 1357 transitions. [2024-11-20 13:54:07,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 355 transitions, 878 flow [2024-11-20 13:54:07,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 355 transitions, 866 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:54:07,173 INFO L231 Difference]: Finished difference. Result has 368 places, 354 transitions, 849 flow [2024-11-20 13:54:07,173 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=845, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=849, PETRI_PLACES=368, PETRI_TRANSITIONS=354} [2024-11-20 13:54:07,174 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -68 predicate places. [2024-11-20 13:54:07,174 INFO L471 AbstractCegarLoop]: Abstraction has has 368 places, 354 transitions, 849 flow [2024-11-20 13:54:07,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 450.3333333333333) internal successors, (1351), 3 states have internal predecessors, (1351), 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 13:54:07,174 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:07,174 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:54:07,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-20 13:54:07,175 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread2Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-20 13:54:07,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:07,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1215982408, now seen corresponding path program 1 times [2024-11-20 13:54:07,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:07,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903944066] [2024-11-20 13:54:07,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:07,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:07,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 13:54:07,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:07,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903944066] [2024-11-20 13:54:07,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903944066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:07,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:07,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:07,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355802737] [2024-11-20 13:54:07,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:07,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:07,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:07,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:07,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:07,238 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 449 out of 475 [2024-11-20 13:54:07,238 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 354 transitions, 849 flow. Second operand has 3 states, 3 states have (on average 450.6666666666667) internal successors, (1352), 3 states have internal predecessors, (1352), 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 13:54:07,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:07,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 449 of 475 [2024-11-20 13:54:07,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:07,314 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1225] L77-6-->L77-7: Formula: (= |v_#race~res2~0_7| |v_thread2Thread1of1ForFork1_#t~nondet17_3|) InVars {thread2Thread1of1ForFork1_#t~nondet17=|v_thread2Thread1of1ForFork1_#t~nondet17_3|} OutVars{#race~res2~0=|v_#race~res2~0_7|, thread2Thread1of1ForFork1_#t~nondet17=|v_thread2Thread1of1ForFork1_#t~nondet17_3|} AuxVars[] AssignedVars[#race~res2~0][264], [308#L77-7true, 553#true, Black: 514#(not |thread2Thread1of1ForFork1_#t~short10|), 639#true, Black: 647#(and (= (select (select |#race| ~get1~0.base) (+ ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4) 1)) 0) (= (select (select |#race| ~get1~0.base) (+ 2 ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4))) 0) (= (select (select |#race| ~get1~0.base) (+ 3 ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4))) 0) (= 0 (select (select |#race| ~get1~0.base) (+ ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4))))), 671#true, 491#(= |#race~count1~0| 0), 602#true, 473#(= |#race~n1~0| 0), Black: 654#(and (= (select (select |#race| ~get2~0.base) (+ ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4) 1)) 0) (= (select (select |#race| ~get2~0.base) (+ 3 ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4))) 0) (= (select (select |#race| ~get2~0.base) (+ 2 ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4))) 0) (= (select (select |#race| ~get2~0.base) (+ ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4))) 0)), 633#(= ~count2~0 ~count1~0), Black: 588#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 495#(= |#race~count2~0| 0), 668#true, Black: 531#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 485#(= |#race~n2~0| 0), Black: 546#true, 36#L99-1true, Black: 489#true, 548#(= |#race~get2~0| 0), Black: 493#true, Black: 628#(not (= ~count2~0 ~count1~0)), 507#(= |#race~get1~0| 0), Black: 502#(not |thread1Thread1of1ForFork0_#t~short1|), Black: 631#true, Black: 505#true, 520#true]) [2024-11-20 13:54:07,314 INFO L294 olderBase$Statistics]: this new event has 248 ancestors and is cut-off event [2024-11-20 13:54:07,315 INFO L297 olderBase$Statistics]: existing Event has 233 ancestors and is cut-off event [2024-11-20 13:54:07,315 INFO L297 olderBase$Statistics]: existing Event has 264 ancestors and is cut-off event [2024-11-20 13:54:07,315 INFO L297 olderBase$Statistics]: existing Event has 233 ancestors and is cut-off event [2024-11-20 13:54:07,315 INFO L124 PetriNetUnfolderBase]: 65/1014 cut-off events. [2024-11-20 13:54:07,315 INFO L125 PetriNetUnfolderBase]: For 81/84 co-relation queries the response was YES. [2024-11-20 13:54:07,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1305 conditions, 1014 events. 65/1014 cut-off events. For 81/84 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4974 event pairs, 4 based on Foata normal form. 0/983 useless extension candidates. Maximal degree in co-relation 1286. Up to 44 conditions per place. [2024-11-20 13:54:07,320 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 0 selfloop transitions, 0 changer transitions 354/354 dead transitions. [2024-11-20 13:54:07,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 354 transitions, 870 flow [2024-11-20 13:54:07,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:07,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:07,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1358 transitions. [2024-11-20 13:54:07,321 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9529824561403509 [2024-11-20 13:54:07,321 INFO L175 Difference]: Start difference. First operand has 368 places, 354 transitions, 849 flow. Second operand 3 states and 1358 transitions. [2024-11-20 13:54:07,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 354 transitions, 870 flow [2024-11-20 13:54:07,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 354 transitions, 866 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:54:07,326 INFO L231 Difference]: Finished difference. Result has 367 places, 0 transitions, 0 flow [2024-11-20 13:54:07,326 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=843, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=367, PETRI_TRANSITIONS=0} [2024-11-20 13:54:07,327 INFO L277 CegarLoopForPetriNet]: 436 programPoint places, -69 predicate places. [2024-11-20 13:54:07,327 INFO L471 AbstractCegarLoop]: Abstraction has has 367 places, 0 transitions, 0 flow [2024-11-20 13:54:07,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 450.6666666666667) internal successors, (1352), 3 states have internal predecessors, (1352), 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 13:54:07,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (93 of 94 remaining) [2024-11-20 13:54:07,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (92 of 94 remaining) [2024-11-20 13:54:07,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (91 of 94 remaining) [2024-11-20 13:54:07,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (90 of 94 remaining) [2024-11-20 13:54:07,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (89 of 94 remaining) [2024-11-20 13:54:07,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (88 of 94 remaining) [2024-11-20 13:54:07,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (87 of 94 remaining) [2024-11-20 13:54:07,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (86 of 94 remaining) [2024-11-20 13:54:07,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (85 of 94 remaining) [2024-11-20 13:54:07,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (84 of 94 remaining) [2024-11-20 13:54:07,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (83 of 94 remaining) [2024-11-20 13:54:07,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (82 of 94 remaining) [2024-11-20 13:54:07,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (81 of 94 remaining) [2024-11-20 13:54:07,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (80 of 94 remaining) [2024-11-20 13:54:07,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (79 of 94 remaining) [2024-11-20 13:54:07,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (78 of 94 remaining) [2024-11-20 13:54:07,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (77 of 94 remaining) [2024-11-20 13:54:07,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (76 of 94 remaining) [2024-11-20 13:54:07,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (75 of 94 remaining) [2024-11-20 13:54:07,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (74 of 94 remaining) [2024-11-20 13:54:07,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (73 of 94 remaining) [2024-11-20 13:54:07,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (72 of 94 remaining) [2024-11-20 13:54:07,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (71 of 94 remaining) [2024-11-20 13:54:07,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (70 of 94 remaining) [2024-11-20 13:54:07,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (69 of 94 remaining) [2024-11-20 13:54:07,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (68 of 94 remaining) [2024-11-20 13:54:07,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (67 of 94 remaining) [2024-11-20 13:54:07,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (66 of 94 remaining) [2024-11-20 13:54:07,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (65 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (64 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (63 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (62 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (61 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (60 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (59 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (58 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (57 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (56 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (55 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (54 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (53 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (52 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (51 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (50 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (49 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (48 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (47 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (46 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (45 of 94 remaining) [2024-11-20 13:54:07,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (44 of 94 remaining) [2024-11-20 13:54:07,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (43 of 94 remaining) [2024-11-20 13:54:07,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (42 of 94 remaining) [2024-11-20 13:54:07,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (41 of 94 remaining) [2024-11-20 13:54:07,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (40 of 94 remaining) [2024-11-20 13:54:07,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 94 remaining) [2024-11-20 13:54:07,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (37 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (36 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (35 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (34 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (33 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (32 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (31 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (30 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (29 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (28 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (27 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (23 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (21 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (20 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (19 of 94 remaining) [2024-11-20 13:54:07,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (18 of 94 remaining) [2024-11-20 13:54:07,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (17 of 94 remaining) [2024-11-20 13:54:07,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (16 of 94 remaining) [2024-11-20 13:54:07,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 94 remaining) [2024-11-20 13:54:07,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (14 of 94 remaining) [2024-11-20 13:54:07,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (13 of 94 remaining) [2024-11-20 13:54:07,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 94 remaining) [2024-11-20 13:54:07,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (11 of 94 remaining) [2024-11-20 13:54:07,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (10 of 94 remaining) [2024-11-20 13:54:07,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 94 remaining) [2024-11-20 13:54:07,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (8 of 94 remaining) [2024-11-20 13:54:07,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 94 remaining) [2024-11-20 13:54:07,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 94 remaining) [2024-11-20 13:54:07,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (5 of 94 remaining) [2024-11-20 13:54:07,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (4 of 94 remaining) [2024-11-20 13:54:07,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (3 of 94 remaining) [2024-11-20 13:54:07,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (2 of 94 remaining) [2024-11-20 13:54:07,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (1 of 94 remaining) [2024-11-20 13:54:07,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (0 of 94 remaining) [2024-11-20 13:54:07,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-20 13:54:07,337 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 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 13:54:07,343 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 13:54:07,343 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 13:54:07,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:54:07 BasicIcfg [2024-11-20 13:54:07,347 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 13:54:07,347 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 13:54:07,347 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 13:54:07,347 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 13:54:07,348 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:53:55" (3/4) ... [2024-11-20 13:54:07,349 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 13:54:07,351 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-20 13:54:07,351 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-20 13:54:07,357 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-20 13:54:07,357 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-20 13:54:07,357 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 13:54:07,358 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 13:54:07,427 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 13:54:07,429 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 13:54:07,429 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 13:54:07,429 INFO L158 Benchmark]: Toolchain (without parser) took 13278.33ms. Allocated memory was 213.9MB in the beginning and 690.0MB in the end (delta: 476.1MB). Free memory was 146.9MB in the beginning and 310.9MB in the end (delta: -164.0MB). Peak memory consumption was 314.9MB. Max. memory is 16.1GB. [2024-11-20 13:54:07,429 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:54:07,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.32ms. Allocated memory is still 213.9MB. Free memory was 146.6MB in the beginning and 131.6MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-20 13:54:07,430 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.85ms. Allocated memory is still 213.9MB. Free memory was 131.6MB in the beginning and 129.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:54:07,430 INFO L158 Benchmark]: Boogie Preprocessor took 47.74ms. Allocated memory is still 213.9MB. Free memory was 129.5MB in the beginning and 126.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:54:07,430 INFO L158 Benchmark]: RCFGBuilder took 663.08ms. Allocated memory is still 213.9MB. Free memory was 126.7MB in the beginning and 90.0MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-20 13:54:07,432 INFO L158 Benchmark]: TraceAbstraction took 12190.54ms. Allocated memory was 213.9MB in the beginning and 690.0MB in the end (delta: 476.1MB). Free memory was 89.3MB in the beginning and 318.3MB in the end (delta: -229.0MB). Peak memory consumption was 247.8MB. Max. memory is 16.1GB. [2024-11-20 13:54:07,432 INFO L158 Benchmark]: Witness Printer took 81.48ms. Allocated memory is still 690.0MB. Free memory was 318.3MB in the beginning and 310.9MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-20 13:54:07,433 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.32ms. Allocated memory is still 213.9MB. Free memory was 146.6MB in the beginning and 131.6MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.85ms. Allocated memory is still 213.9MB. Free memory was 131.6MB in the beginning and 129.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.74ms. Allocated memory is still 213.9MB. Free memory was 129.5MB in the beginning and 126.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 663.08ms. Allocated memory is still 213.9MB. Free memory was 126.7MB in the beginning and 90.0MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 12190.54ms. Allocated memory was 213.9MB in the beginning and 690.0MB in the end (delta: 476.1MB). Free memory was 89.3MB in the beginning and 318.3MB in the end (delta: -229.0MB). Peak memory consumption was 247.8MB. Max. memory is 16.1GB. * Witness Printer took 81.48ms. Allocated memory is still 690.0MB. Free memory was 318.3MB in the beginning and 310.9MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: 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: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 668 locations, 94 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: 12.0s, OverallIterations: 33, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3927 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2403 mSDsluCounter, 3844 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3588 mSDsCounter, 636 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5616 IncrementalHoareTripleChecker+Invalid, 6252 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 636 mSolverCounterUnsat, 256 mSDtfsCounter, 5616 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1376occurred in iteration=25, InterpolantAutomatonStates: 149, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 4436 NumberOfCodeBlocks, 4436 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 4403 ConstructedInterpolants, 0 QuantifiedInterpolants, 5757 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 33 PerfectInterpolantSequences, 14/14 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 54 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-20 13:54:07,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE