./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/popl20-threaded-sum-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-threaded-sum-3.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 3ff96f1177b851e0082faef897c2fcf87c2462cab57ba2153c754c5e198aaf06 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:34:14,220 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:34:14,307 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:34:14,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:34:14,312 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:34:14,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:34:14,335 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:34:14,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:34:14,337 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:34:14,338 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:34:14,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:34:14,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:34:14,339 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:34:14,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:34:14,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:34:14,340 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:34:14,340 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:34:14,343 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:34:14,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:34:14,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:34:14,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:34:14,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:34:14,345 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:34:14,345 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:34:14,345 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:34:14,345 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:34:14,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:34:14,346 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:34:14,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:34:14,347 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:34:14,347 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:34:14,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:34:14,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:34:14,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:34:14,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:34:14,353 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:34:14,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:34:14,354 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:34:14,354 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:34:14,354 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:34:14,355 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:34:14,356 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ff96f1177b851e0082faef897c2fcf87c2462cab57ba2153c754c5e198aaf06 [2024-10-24 15:34:14,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:34:14,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:34:14,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:34:14,613 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:34:14,613 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:34:14,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-threaded-sum-3.wvr.c [2024-10-24 15:34:16,030 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:34:16,225 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:34:16,226 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-threaded-sum-3.wvr.c [2024-10-24 15:34:16,237 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d75858df/041ebb3c9ce64deb9e9011dfb4a04294/FLAG5d549254f [2024-10-24 15:34:16,250 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d75858df/041ebb3c9ce64deb9e9011dfb4a04294 [2024-10-24 15:34:16,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:34:16,253 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:34:16,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:34:16,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:34:16,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:34:16,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a08e666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16, skipping insertion in model container [2024-10-24 15:34:16,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,286 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:34:16,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:34:16,549 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:34:16,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:34:16,605 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:34:16,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16 WrapperNode [2024-10-24 15:34:16,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:34:16,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:34:16,607 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:34:16,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:34:16,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,639 INFO L138 Inliner]: procedures = 21, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 119 [2024-10-24 15:34:16,640 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:34:16,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:34:16,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:34:16,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:34:16,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,658 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:34:16,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:34:16,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:34:16,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:34:16,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:34:16,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:34:16,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 15:34:16,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 15:34:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:34:16,756 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-24 15:34:16,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-24 15:34:16,756 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-24 15:34:16,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-24 15:34:16,756 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-24 15:34:16,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-24 15:34:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:34:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 15:34:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 15:34:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:34:16,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:34:16,759 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:34:16,850 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:34:16,852 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:34:17,299 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:34:17,299 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:34:17,560 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:34:17,562 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-24 15:34:17,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:34:17 BoogieIcfgContainer [2024-10-24 15:34:17,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:34:17,565 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:34:17,565 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:34:17,569 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:34:17,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:34:16" (1/3) ... [2024-10-24 15:34:17,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8578996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:34:17, skipping insertion in model container [2024-10-24 15:34:17,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (2/3) ... [2024-10-24 15:34:17,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8578996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:34:17, skipping insertion in model container [2024-10-24 15:34:17,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:34:17" (3/3) ... [2024-10-24 15:34:17,573 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2024-10-24 15:34:17,591 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:34:17,591 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-10-24 15:34:17,591 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:34:17,678 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-24 15:34:17,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 205 places, 205 transitions, 431 flow [2024-10-24 15:34:17,802 INFO L124 PetriNetUnfolderBase]: 10/202 cut-off events. [2024-10-24 15:34:17,804 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-24 15:34:17,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 202 events. 10/202 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 218 event pairs, 0 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 154. Up to 2 conditions per place. [2024-10-24 15:34:17,812 INFO L82 GeneralOperation]: Start removeDead. Operand has 205 places, 205 transitions, 431 flow [2024-10-24 15:34:17,821 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 186 places, 185 transitions, 388 flow [2024-10-24 15:34:17,836 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:34:17,843 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;@5311dde7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:34:17,844 INFO L334 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2024-10-24 15:34:17,849 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:34:17,850 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-10-24 15:34:17,850 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:34:17,850 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:17,851 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] [2024-10-24 15:34:17,851 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:34:17,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:17,857 INFO L85 PathProgramCache]: Analyzing trace with hash 531423154, now seen corresponding path program 1 times [2024-10-24 15:34:17,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:17,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427301486] [2024-10-24 15:34:17,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:17,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:18,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:18,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:18,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427301486] [2024-10-24 15:34:18,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427301486] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:18,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:18,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:18,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331422323] [2024-10-24 15:34:18,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:18,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:18,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:18,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:18,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:18,116 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 205 [2024-10-24 15:34:18,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 185 transitions, 388 flow. Second operand has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:18,120 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:18,120 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 205 [2024-10-24 15:34:18,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:18,302 INFO L124 PetriNetUnfolderBase]: 124/397 cut-off events. [2024-10-24 15:34:18,304 INFO L125 PetriNetUnfolderBase]: For 62/62 co-relation queries the response was YES. [2024-10-24 15:34:18,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 640 conditions, 397 events. 124/397 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1306 event pairs, 74 based on Foata normal form. 49/396 useless extension candidates. Maximal degree in co-relation 464. Up to 194 conditions per place. [2024-10-24 15:34:18,312 INFO L140 encePairwiseOnDemand]: 172/205 looper letters, 22 selfloop transitions, 2 changer transitions 1/154 dead transitions. [2024-10-24 15:34:18,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 154 transitions, 374 flow [2024-10-24 15:34:18,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:18,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:18,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 496 transitions. [2024-10-24 15:34:18,334 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8065040650406504 [2024-10-24 15:34:18,337 INFO L175 Difference]: Start difference. First operand has 186 places, 185 transitions, 388 flow. Second operand 3 states and 496 transitions. [2024-10-24 15:34:18,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 154 transitions, 374 flow [2024-10-24 15:34:18,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 154 transitions, 362 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-24 15:34:18,346 INFO L231 Difference]: Finished difference. Result has 155 places, 153 transitions, 316 flow [2024-10-24 15:34:18,348 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=155, PETRI_TRANSITIONS=153} [2024-10-24 15:34:18,354 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -31 predicate places. [2024-10-24 15:34:18,355 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 153 transitions, 316 flow [2024-10-24 15:34:18,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:18,356 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:18,357 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:18,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:34:18,357 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:34:18,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:18,358 INFO L85 PathProgramCache]: Analyzing trace with hash -651832284, now seen corresponding path program 1 times [2024-10-24 15:34:18,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:18,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039122531] [2024-10-24 15:34:18,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:18,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:18,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:18,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:18,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039122531] [2024-10-24 15:34:18,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039122531] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:18,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:18,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:18,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777005360] [2024-10-24 15:34:18,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:18,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:18,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:18,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:18,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:18,466 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 205 [2024-10-24 15:34:18,468 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 153 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:18,468 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:18,468 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 205 [2024-10-24 15:34:18,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:18,604 INFO L124 PetriNetUnfolderBase]: 124/395 cut-off events. [2024-10-24 15:34:18,604 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-24 15:34:18,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 395 events. 124/395 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1289 event pairs, 74 based on Foata normal form. 0/347 useless extension candidates. Maximal degree in co-relation 576. Up to 194 conditions per place. [2024-10-24 15:34:18,609 INFO L140 encePairwiseOnDemand]: 202/205 looper letters, 22 selfloop transitions, 2 changer transitions 0/152 dead transitions. [2024-10-24 15:34:18,610 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 152 transitions, 362 flow [2024-10-24 15:34:18,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:18,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:18,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 466 transitions. [2024-10-24 15:34:18,616 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7577235772357723 [2024-10-24 15:34:18,616 INFO L175 Difference]: Start difference. First operand has 155 places, 153 transitions, 316 flow. Second operand 3 states and 466 transitions. [2024-10-24 15:34:18,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 152 transitions, 362 flow [2024-10-24 15:34:18,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 152 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:18,621 INFO L231 Difference]: Finished difference. Result has 153 places, 152 transitions, 314 flow [2024-10-24 15:34:18,622 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=153, PETRI_TRANSITIONS=152} [2024-10-24 15:34:18,623 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -33 predicate places. [2024-10-24 15:34:18,623 INFO L471 AbstractCegarLoop]: Abstraction has has 153 places, 152 transitions, 314 flow [2024-10-24 15:34:18,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:18,624 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:18,624 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] [2024-10-24 15:34:18,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:34:18,625 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:34:18,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:18,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1960589462, now seen corresponding path program 1 times [2024-10-24 15:34:18,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:18,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286716495] [2024-10-24 15:34:18,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:18,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:18,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:18,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:18,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286716495] [2024-10-24 15:34:18,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286716495] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:18,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:18,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:18,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106467076] [2024-10-24 15:34:18,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:18,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:18,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:18,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:18,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:18,753 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 205 [2024-10-24 15:34:18,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 152 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:18,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:18,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 205 [2024-10-24 15:34:18,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:18,839 INFO L124 PetriNetUnfolderBase]: 124/394 cut-off events. [2024-10-24 15:34:18,840 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-24 15:34:18,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 607 conditions, 394 events. 124/394 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1292 event pairs, 74 based on Foata normal form. 0/347 useless extension candidates. Maximal degree in co-relation 568. Up to 194 conditions per place. [2024-10-24 15:34:18,842 INFO L140 encePairwiseOnDemand]: 202/205 looper letters, 22 selfloop transitions, 2 changer transitions 0/151 dead transitions. [2024-10-24 15:34:18,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 151 transitions, 360 flow [2024-10-24 15:34:18,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:18,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:18,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 466 transitions. [2024-10-24 15:34:18,844 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7577235772357723 [2024-10-24 15:34:18,844 INFO L175 Difference]: Start difference. First operand has 153 places, 152 transitions, 314 flow. Second operand 3 states and 466 transitions. [2024-10-24 15:34:18,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 151 transitions, 360 flow [2024-10-24 15:34:18,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 151 transitions, 356 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:18,850 INFO L231 Difference]: Finished difference. Result has 152 places, 151 transitions, 312 flow [2024-10-24 15:34:18,852 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=312, PETRI_PLACES=152, PETRI_TRANSITIONS=151} [2024-10-24 15:34:18,853 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -34 predicate places. [2024-10-24 15:34:18,853 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 151 transitions, 312 flow [2024-10-24 15:34:18,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:18,854 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:18,854 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:18,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:34:18,854 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:34:18,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:18,855 INFO L85 PathProgramCache]: Analyzing trace with hash -980826828, now seen corresponding path program 1 times [2024-10-24 15:34:18,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:18,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864784047] [2024-10-24 15:34:18,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:18,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:18,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:18,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:18,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864784047] [2024-10-24 15:34:18,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864784047] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:18,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:18,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:18,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603732698] [2024-10-24 15:34:18,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:18,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:18,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:18,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:18,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:18,934 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 205 [2024-10-24 15:34:18,935 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 151 transitions, 312 flow. Second operand has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:18,935 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:18,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 205 [2024-10-24 15:34:18,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:19,006 INFO L124 PetriNetUnfolderBase]: 124/391 cut-off events. [2024-10-24 15:34:19,007 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-24 15:34:19,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 603 conditions, 391 events. 124/391 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1291 event pairs, 74 based on Foata normal form. 0/347 useless extension candidates. Maximal degree in co-relation 557. Up to 193 conditions per place. [2024-10-24 15:34:19,009 INFO L140 encePairwiseOnDemand]: 201/205 looper letters, 22 selfloop transitions, 1 changer transitions 0/148 dead transitions. [2024-10-24 15:34:19,010 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 148 transitions, 352 flow [2024-10-24 15:34:19,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:19,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:19,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 467 transitions. [2024-10-24 15:34:19,012 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.759349593495935 [2024-10-24 15:34:19,012 INFO L175 Difference]: Start difference. First operand has 152 places, 151 transitions, 312 flow. Second operand 3 states and 467 transitions. [2024-10-24 15:34:19,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 148 transitions, 352 flow [2024-10-24 15:34:19,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 148 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:19,015 INFO L231 Difference]: Finished difference. Result has 149 places, 148 transitions, 304 flow [2024-10-24 15:34:19,015 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=149, PETRI_TRANSITIONS=148} [2024-10-24 15:34:19,017 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -37 predicate places. [2024-10-24 15:34:19,017 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 148 transitions, 304 flow [2024-10-24 15:34:19,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:19,018 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:19,018 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] [2024-10-24 15:34:19,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:34:19,019 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:34:19,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:19,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1251488762, now seen corresponding path program 1 times [2024-10-24 15:34:19,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:19,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923886423] [2024-10-24 15:34:19,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:19,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:19,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:19,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:19,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923886423] [2024-10-24 15:34:19,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923886423] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:19,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:19,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:19,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183386982] [2024-10-24 15:34:19,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:19,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:19,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:19,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:19,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:19,091 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 205 [2024-10-24 15:34:19,092 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 148 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:19,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:19,092 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 205 [2024-10-24 15:34:19,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:19,179 INFO L124 PetriNetUnfolderBase]: 124/390 cut-off events. [2024-10-24 15:34:19,179 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-24 15:34:19,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 599 conditions, 390 events. 124/390 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1294 event pairs, 74 based on Foata normal form. 0/347 useless extension candidates. Maximal degree in co-relation 553. Up to 191 conditions per place. [2024-10-24 15:34:19,182 INFO L140 encePairwiseOnDemand]: 202/205 looper letters, 19 selfloop transitions, 2 changer transitions 0/147 dead transitions. [2024-10-24 15:34:19,182 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 147 transitions, 344 flow [2024-10-24 15:34:19,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:19,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:19,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 472 transitions. [2024-10-24 15:34:19,184 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.767479674796748 [2024-10-24 15:34:19,184 INFO L175 Difference]: Start difference. First operand has 149 places, 148 transitions, 304 flow. Second operand 3 states and 472 transitions. [2024-10-24 15:34:19,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 147 transitions, 344 flow [2024-10-24 15:34:19,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 147 transitions, 343 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:34:19,212 INFO L231 Difference]: Finished difference. Result has 149 places, 147 transitions, 305 flow [2024-10-24 15:34:19,212 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=305, PETRI_PLACES=149, PETRI_TRANSITIONS=147} [2024-10-24 15:34:19,213 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -37 predicate places. [2024-10-24 15:34:19,213 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 147 transitions, 305 flow [2024-10-24 15:34:19,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:19,213 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:19,214 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] [2024-10-24 15:34:19,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:34:19,214 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:34:19,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:19,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1510106566, now seen corresponding path program 1 times [2024-10-24 15:34:19,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:19,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267155094] [2024-10-24 15:34:19,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:19,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:19,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:19,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:19,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267155094] [2024-10-24 15:34:19,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267155094] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:19,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:19,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:19,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592033952] [2024-10-24 15:34:19,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:19,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:19,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:19,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:19,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:19,281 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 205 [2024-10-24 15:34:19,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 147 transitions, 305 flow. Second operand has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:19,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:19,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 205 [2024-10-24 15:34:19,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:19,351 INFO L124 PetriNetUnfolderBase]: 124/387 cut-off events. [2024-10-24 15:34:19,351 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-24 15:34:19,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 387 events. 124/387 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1288 event pairs, 74 based on Foata normal form. 0/347 useless extension candidates. Maximal degree in co-relation 554. Up to 193 conditions per place. [2024-10-24 15:34:19,354 INFO L140 encePairwiseOnDemand]: 201/205 looper letters, 22 selfloop transitions, 1 changer transitions 0/144 dead transitions. [2024-10-24 15:34:19,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 144 transitions, 345 flow [2024-10-24 15:34:19,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:19,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:19,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 467 transitions. [2024-10-24 15:34:19,356 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.759349593495935 [2024-10-24 15:34:19,356 INFO L175 Difference]: Start difference. First operand has 149 places, 147 transitions, 305 flow. Second operand 3 states and 467 transitions. [2024-10-24 15:34:19,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 144 transitions, 345 flow [2024-10-24 15:34:19,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 144 transitions, 341 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:19,359 INFO L231 Difference]: Finished difference. Result has 146 places, 144 transitions, 297 flow [2024-10-24 15:34:19,359 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=295, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=297, PETRI_PLACES=146, PETRI_TRANSITIONS=144} [2024-10-24 15:34:19,360 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -40 predicate places. [2024-10-24 15:34:19,360 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 144 transitions, 297 flow [2024-10-24 15:34:19,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:19,361 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:19,361 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] [2024-10-24 15:34:19,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:34:19,362 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:34:19,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:19,362 INFO L85 PathProgramCache]: Analyzing trace with hash 614924469, now seen corresponding path program 1 times [2024-10-24 15:34:19,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:19,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952031255] [2024-10-24 15:34:19,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:19,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:19,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:19,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:19,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952031255] [2024-10-24 15:34:19,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952031255] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:19,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:19,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:19,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105720206] [2024-10-24 15:34:19,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:19,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:19,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:19,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:19,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:19,408 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 205 [2024-10-24 15:34:19,409 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 144 transitions, 297 flow. Second operand has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:19,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:19,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 205 [2024-10-24 15:34:19,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:19,486 INFO L124 PetriNetUnfolderBase]: 124/386 cut-off events. [2024-10-24 15:34:19,486 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-24 15:34:19,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 596 conditions, 386 events. 124/386 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1284 event pairs, 74 based on Foata normal form. 0/347 useless extension candidates. Maximal degree in co-relation 550. Up to 191 conditions per place. [2024-10-24 15:34:19,489 INFO L140 encePairwiseOnDemand]: 202/205 looper letters, 19 selfloop transitions, 2 changer transitions 0/143 dead transitions. [2024-10-24 15:34:19,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 143 transitions, 337 flow [2024-10-24 15:34:19,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:19,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:19,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 472 transitions. [2024-10-24 15:34:19,491 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.767479674796748 [2024-10-24 15:34:19,491 INFO L175 Difference]: Start difference. First operand has 146 places, 144 transitions, 297 flow. Second operand 3 states and 472 transitions. [2024-10-24 15:34:19,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 143 transitions, 337 flow [2024-10-24 15:34:19,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 143 transitions, 336 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:34:19,494 INFO L231 Difference]: Finished difference. Result has 146 places, 143 transitions, 298 flow [2024-10-24 15:34:19,495 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=298, PETRI_PLACES=146, PETRI_TRANSITIONS=143} [2024-10-24 15:34:19,495 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -40 predicate places. [2024-10-24 15:34:19,495 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 143 transitions, 298 flow [2024-10-24 15:34:19,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:19,496 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:19,496 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] [2024-10-24 15:34:19,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:34:19,497 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:34:19,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:19,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1180032423, now seen corresponding path program 1 times [2024-10-24 15:34:19,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:19,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043666622] [2024-10-24 15:34:19,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:19,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:19,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:19,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:19,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043666622] [2024-10-24 15:34:19,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043666622] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:19,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:19,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:19,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817770597] [2024-10-24 15:34:19,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:19,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:19,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:19,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:19,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:19,551 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 205 [2024-10-24 15:34:19,552 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 143 transitions, 298 flow. Second operand has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:19,552 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:19,552 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 205 [2024-10-24 15:34:19,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:19,620 INFO L124 PetriNetUnfolderBase]: 124/383 cut-off events. [2024-10-24 15:34:19,620 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-24 15:34:19,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 596 conditions, 383 events. 124/383 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1289 event pairs, 74 based on Foata normal form. 1/347 useless extension candidates. Maximal degree in co-relation 550. Up to 192 conditions per place. [2024-10-24 15:34:19,623 INFO L140 encePairwiseOnDemand]: 201/205 looper letters, 20 selfloop transitions, 1 changer transitions 6/140 dead transitions. [2024-10-24 15:34:19,623 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 140 transitions, 336 flow [2024-10-24 15:34:19,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:19,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:19,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 466 transitions. [2024-10-24 15:34:19,625 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7577235772357723 [2024-10-24 15:34:19,625 INFO L175 Difference]: Start difference. First operand has 146 places, 143 transitions, 298 flow. Second operand 3 states and 466 transitions. [2024-10-24 15:34:19,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 140 transitions, 336 flow [2024-10-24 15:34:19,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 140 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:19,628 INFO L231 Difference]: Finished difference. Result has 143 places, 134 transitions, 278 flow [2024-10-24 15:34:19,628 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=143, PETRI_TRANSITIONS=134} [2024-10-24 15:34:19,629 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -43 predicate places. [2024-10-24 15:34:19,630 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 134 transitions, 278 flow [2024-10-24 15:34:19,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:19,631 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:19,631 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] [2024-10-24 15:34:19,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:34:19,631 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:34:19,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:19,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1216179973, now seen corresponding path program 1 times [2024-10-24 15:34:19,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:19,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881448032] [2024-10-24 15:34:19,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:19,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:19,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:19,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:19,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881448032] [2024-10-24 15:34:19,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881448032] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:19,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:19,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:19,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80940742] [2024-10-24 15:34:19,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:19,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:19,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:19,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:19,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:19,673 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 205 [2024-10-24 15:34:19,674 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 134 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:19,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:19,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 205 [2024-10-24 15:34:19,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:19,756 INFO L124 PetriNetUnfolderBase]: 124/376 cut-off events. [2024-10-24 15:34:19,756 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-24 15:34:19,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 587 conditions, 376 events. 124/376 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1268 event pairs, 74 based on Foata normal form. 0/341 useless extension candidates. Maximal degree in co-relation 541. Up to 191 conditions per place. [2024-10-24 15:34:19,759 INFO L140 encePairwiseOnDemand]: 202/205 looper letters, 19 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2024-10-24 15:34:19,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 133 transitions, 318 flow [2024-10-24 15:34:19,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:19,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:19,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 472 transitions. [2024-10-24 15:34:19,761 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.767479674796748 [2024-10-24 15:34:19,761 INFO L175 Difference]: Start difference. First operand has 143 places, 134 transitions, 278 flow. Second operand 3 states and 472 transitions. [2024-10-24 15:34:19,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 133 transitions, 318 flow [2024-10-24 15:34:19,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 133 transitions, 317 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:34:19,763 INFO L231 Difference]: Finished difference. Result has 137 places, 133 transitions, 279 flow [2024-10-24 15:34:19,764 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=275, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=279, PETRI_PLACES=137, PETRI_TRANSITIONS=133} [2024-10-24 15:34:19,764 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -49 predicate places. [2024-10-24 15:34:19,764 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 133 transitions, 279 flow [2024-10-24 15:34:19,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:19,765 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:19,765 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:19,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:34:19,766 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:34:19,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:19,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1311765581, now seen corresponding path program 1 times [2024-10-24 15:34:19,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:19,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094233891] [2024-10-24 15:34:19,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:19,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:19,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:19,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:19,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094233891] [2024-10-24 15:34:19,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094233891] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:19,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:19,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:19,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253010532] [2024-10-24 15:34:19,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:19,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:19,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:19,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:19,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:19,863 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 205 [2024-10-24 15:34:19,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 133 transitions, 279 flow. Second operand has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:19,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:19,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 205 [2024-10-24 15:34:19,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:19,933 INFO L124 PetriNetUnfolderBase]: 124/375 cut-off events. [2024-10-24 15:34:19,933 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-24 15:34:19,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 584 conditions, 375 events. 124/375 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1269 event pairs, 74 based on Foata normal form. 1/341 useless extension candidates. Maximal degree in co-relation 539. Up to 188 conditions per place. [2024-10-24 15:34:19,935 INFO L140 encePairwiseOnDemand]: 203/205 looper letters, 0 selfloop transitions, 0 changer transitions 132/132 dead transitions. [2024-10-24 15:34:19,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 132 transitions, 311 flow [2024-10-24 15:34:19,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:19,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:19,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 480 transitions. [2024-10-24 15:34:19,936 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7804878048780488 [2024-10-24 15:34:19,937 INFO L175 Difference]: Start difference. First operand has 137 places, 133 transitions, 279 flow. Second operand 3 states and 480 transitions. [2024-10-24 15:34:19,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 132 transitions, 311 flow [2024-10-24 15:34:19,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 132 transitions, 307 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:19,939 INFO L231 Difference]: Finished difference. Result has 136 places, 0 transitions, 0 flow [2024-10-24 15:34:19,939 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=136, PETRI_TRANSITIONS=0} [2024-10-24 15:34:19,941 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -50 predicate places. [2024-10-24 15:34:19,942 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 0 transitions, 0 flow [2024-10-24 15:34:19,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:19,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (70 of 71 remaining) [2024-10-24 15:34:19,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (69 of 71 remaining) [2024-10-24 15:34:19,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (68 of 71 remaining) [2024-10-24 15:34:19,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (67 of 71 remaining) [2024-10-24 15:34:19,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (66 of 71 remaining) [2024-10-24 15:34:19,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (65 of 71 remaining) [2024-10-24 15:34:19,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (64 of 71 remaining) [2024-10-24 15:34:19,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (63 of 71 remaining) [2024-10-24 15:34:19,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (62 of 71 remaining) [2024-10-24 15:34:19,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (61 of 71 remaining) [2024-10-24 15:34:19,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (60 of 71 remaining) [2024-10-24 15:34:19,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (59 of 71 remaining) [2024-10-24 15:34:19,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (58 of 71 remaining) [2024-10-24 15:34:19,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (57 of 71 remaining) [2024-10-24 15:34:19,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (56 of 71 remaining) [2024-10-24 15:34:19,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (55 of 71 remaining) [2024-10-24 15:34:19,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (54 of 71 remaining) [2024-10-24 15:34:19,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (53 of 71 remaining) [2024-10-24 15:34:19,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (52 of 71 remaining) [2024-10-24 15:34:19,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (51 of 71 remaining) [2024-10-24 15:34:19,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (50 of 71 remaining) [2024-10-24 15:34:19,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (49 of 71 remaining) [2024-10-24 15:34:19,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (48 of 71 remaining) [2024-10-24 15:34:19,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (47 of 71 remaining) [2024-10-24 15:34:19,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (46 of 71 remaining) [2024-10-24 15:34:19,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (45 of 71 remaining) [2024-10-24 15:34:19,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (44 of 71 remaining) [2024-10-24 15:34:19,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (43 of 71 remaining) [2024-10-24 15:34:19,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (42 of 71 remaining) [2024-10-24 15:34:19,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (41 of 71 remaining) [2024-10-24 15:34:19,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 71 remaining) [2024-10-24 15:34:19,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (39 of 71 remaining) [2024-10-24 15:34:19,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (38 of 71 remaining) [2024-10-24 15:34:19,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (37 of 71 remaining) [2024-10-24 15:34:19,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (36 of 71 remaining) [2024-10-24 15:34:19,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (35 of 71 remaining) [2024-10-24 15:34:19,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (34 of 71 remaining) [2024-10-24 15:34:19,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (33 of 71 remaining) [2024-10-24 15:34:19,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (32 of 71 remaining) [2024-10-24 15:34:19,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (31 of 71 remaining) [2024-10-24 15:34:19,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (30 of 71 remaining) [2024-10-24 15:34:19,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (29 of 71 remaining) [2024-10-24 15:34:19,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 71 remaining) [2024-10-24 15:34:19,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 71 remaining) [2024-10-24 15:34:19,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 71 remaining) [2024-10-24 15:34:19,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (25 of 71 remaining) [2024-10-24 15:34:19,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (24 of 71 remaining) [2024-10-24 15:34:19,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (23 of 71 remaining) [2024-10-24 15:34:19,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (22 of 71 remaining) [2024-10-24 15:34:19,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (21 of 71 remaining) [2024-10-24 15:34:19,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (20 of 71 remaining) [2024-10-24 15:34:19,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (19 of 71 remaining) [2024-10-24 15:34:19,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (18 of 71 remaining) [2024-10-24 15:34:19,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (17 of 71 remaining) [2024-10-24 15:34:19,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (16 of 71 remaining) [2024-10-24 15:34:19,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (15 of 71 remaining) [2024-10-24 15:34:19,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 71 remaining) [2024-10-24 15:34:19,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 71 remaining) [2024-10-24 15:34:19,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 71 remaining) [2024-10-24 15:34:19,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 71 remaining) [2024-10-24 15:34:19,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 71 remaining) [2024-10-24 15:34:19,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 71 remaining) [2024-10-24 15:34:19,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 71 remaining) [2024-10-24 15:34:19,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 71 remaining) [2024-10-24 15:34:19,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 71 remaining) [2024-10-24 15:34:19,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 71 remaining) [2024-10-24 15:34:19,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 71 remaining) [2024-10-24 15:34:19,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 71 remaining) [2024-10-24 15:34:19,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 71 remaining) [2024-10-24 15:34:19,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 71 remaining) [2024-10-24 15:34:19,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 71 remaining) [2024-10-24 15:34:19,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 15:34:19,960 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:19,967 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:34:19,967 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:34:19,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:34:19 BasicIcfg [2024-10-24 15:34:19,974 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:34:19,974 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:34:19,974 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:34:19,974 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:34:19,975 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:34:17" (3/4) ... [2024-10-24 15:34:19,976 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:34:19,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-24 15:34:19,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-24 15:34:19,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-24 15:34:19,983 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-24 15:34:19,984 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 15:34:19,984 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:34:19,985 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:34:20,075 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:34:20,076 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:34:20,076 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:34:20,076 INFO L158 Benchmark]: Toolchain (without parser) took 3823.27ms. Allocated memory was 140.5MB in the beginning and 209.7MB in the end (delta: 69.2MB). Free memory was 86.4MB in the beginning and 99.7MB in the end (delta: -13.3MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2024-10-24 15:34:20,076 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 140.5MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:34:20,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.18ms. Allocated memory is still 140.5MB. Free memory was 86.4MB in the beginning and 71.9MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 15:34:20,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.03ms. Allocated memory is still 140.5MB. Free memory was 71.9MB in the beginning and 70.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:34:20,077 INFO L158 Benchmark]: Boogie Preprocessor took 31.84ms. Allocated memory is still 140.5MB. Free memory was 70.1MB in the beginning and 68.5MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:34:20,077 INFO L158 Benchmark]: RCFGBuilder took 889.45ms. Allocated memory was 140.5MB in the beginning and 209.7MB in the end (delta: 69.2MB). Free memory was 68.1MB in the beginning and 142.9MB in the end (delta: -74.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-10-24 15:34:20,077 INFO L158 Benchmark]: TraceAbstraction took 2408.76ms. Allocated memory is still 209.7MB. Free memory was 141.8MB in the beginning and 106.0MB in the end (delta: 35.8MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2024-10-24 15:34:20,077 INFO L158 Benchmark]: Witness Printer took 101.75ms. Allocated memory is still 209.7MB. Free memory was 106.0MB in the beginning and 99.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 15:34:20,078 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 140.5MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.18ms. Allocated memory is still 140.5MB. Free memory was 86.4MB in the beginning and 71.9MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.03ms. Allocated memory is still 140.5MB. Free memory was 71.9MB in the beginning and 70.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.84ms. Allocated memory is still 140.5MB. Free memory was 70.1MB in the beginning and 68.5MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 889.45ms. Allocated memory was 140.5MB in the beginning and 209.7MB in the end (delta: 69.2MB). Free memory was 68.1MB in the beginning and 142.9MB in the end (delta: -74.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2408.76ms. Allocated memory is still 209.7MB. Free memory was 141.8MB in the beginning and 106.0MB in the end (delta: 35.8MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. * Witness Printer took 101.75ms. Allocated memory is still 209.7MB. Free memory was 106.0MB in the beginning and 99.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: 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: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: 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: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: 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: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: 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 - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 250 locations, 71 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.2s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 218 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 407 IncrementalHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 44 mSDtfsCounter, 407 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=388occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 514 NumberOfCodeBlocks, 514 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 504 ConstructedInterpolants, 0 QuantifiedInterpolants, 524 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 42 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:34:20,115 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