./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23ca06a4d1d66eab783b29fc3ce31114eee62eb7d17a2452b84e2d73b8d92cfa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:55:53,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:55:53,196 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:55:53,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:55:53,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:55:53,228 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:55:53,229 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:55:53,229 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:55:53,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:55:53,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:55:53,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:55:53,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:55:53,236 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:55:53,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:55:53,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:55:53,236 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:55:53,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:55:53,237 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:55:53,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:55:53,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:55:53,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:55:53,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:55:53,240 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:55:53,241 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:55:53,241 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:55:53,241 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:55:53,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:55:53,242 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:55:53,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:55:53,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:55:53,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:55:53,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:55:53,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:55:53,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:55:53,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:55:53,244 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:55:53,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:55:53,245 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:55:53,245 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:55:53,245 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:55:53,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:55:53,246 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23ca06a4d1d66eab783b29fc3ce31114eee62eb7d17a2452b84e2d73b8d92cfa [2024-11-22 17:55:53,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:55:53,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:55:53,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:55:53,603 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:55:53,603 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:55:53,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c [2024-11-22 17:55:54,978 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:55:55,202 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:55:55,202 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c [2024-11-22 17:55:55,211 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d42eeb20/695edc7ab2a24c4daa104624c20453a4/FLAGa2ae9d10e [2024-11-22 17:55:55,225 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d42eeb20/695edc7ab2a24c4daa104624c20453a4 [2024-11-22 17:55:55,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:55:55,231 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:55:55,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:55:55,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:55:55,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:55:55,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:55:55" (1/1) ... [2024-11-22 17:55:55,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53031ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:55, skipping insertion in model container [2024-11-22 17:55:55,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:55:55" (1/1) ... [2024-11-22 17:55:55,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:55:55,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:55:55,527 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:55:55,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:55:55,617 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:55:55,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:55 WrapperNode [2024-11-22 17:55:55,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:55:55,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:55:55,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:55:55,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:55:55,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:55" (1/1) ... [2024-11-22 17:55:55,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:55" (1/1) ... [2024-11-22 17:55:55,705 INFO L138 Inliner]: procedures = 24, calls = 28, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 323 [2024-11-22 17:55:55,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:55:55,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:55:55,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:55:55,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:55:55,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:55" (1/1) ... [2024-11-22 17:55:55,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:55" (1/1) ... [2024-11-22 17:55:55,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:55" (1/1) ... [2024-11-22 17:55:55,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:55" (1/1) ... [2024-11-22 17:55:55,750 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:55" (1/1) ... [2024-11-22 17:55:55,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:55" (1/1) ... [2024-11-22 17:55:55,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:55" (1/1) ... [2024-11-22 17:55:55,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:55" (1/1) ... [2024-11-22 17:55:55,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:55:55,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:55:55,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:55:55,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:55:55,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:55" (1/1) ... [2024-11-22 17:55:55,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:55:55,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:55:55,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 17:55:55,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 17:55:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:55:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-22 17:55:55,873 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-22 17:55:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-22 17:55:55,873 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-22 17:55:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:55:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-22 17:55:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 17:55:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:55:55,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:55:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-22 17:55:55,876 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:55:56,014 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:55:56,016 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:55:56,565 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:55:56,565 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:55:56,604 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:55:56,604 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-22 17:55:56,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:55:56 BoogieIcfgContainer [2024-11-22 17:55:56,605 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:55:56,610 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:55:56,610 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:55:56,613 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:55:56,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:55:55" (1/3) ... [2024-11-22 17:55:56,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@226759b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:55:56, skipping insertion in model container [2024-11-22 17:55:56,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:55" (2/3) ... [2024-11-22 17:55:56,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@226759b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:55:56, skipping insertion in model container [2024-11-22 17:55:56,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:55:56" (3/3) ... [2024-11-22 17:55:56,617 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-symm.wvr.c [2024-11-22 17:55:56,634 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:55:56,635 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-11-22 17:55:56,635 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:55:56,782 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-22 17:55:56,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 412 places, 431 transitions, 876 flow [2024-11-22 17:55:56,981 INFO L124 PetriNetUnfolderBase]: 26/429 cut-off events. [2024-11-22 17:55:56,981 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:55:56,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 438 conditions, 429 events. 26/429 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 688 event pairs, 0 based on Foata normal form. 0/369 useless extension candidates. Maximal degree in co-relation 257. Up to 2 conditions per place. [2024-11-22 17:55:56,999 INFO L82 GeneralOperation]: Start removeDead. Operand has 412 places, 431 transitions, 876 flow [2024-11-22 17:55:57,012 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 392 places, 409 transitions, 830 flow [2024-11-22 17:55:57,025 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:55:57,036 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;@4938157e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:55:57,036 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-22 17:55:57,052 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:55:57,052 INFO L124 PetriNetUnfolderBase]: 3/59 cut-off events. [2024-11-22 17:55:57,053 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:55:57,053 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:57,054 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] [2024-11-22 17:55:57,055 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:55:57,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:57,076 INFO L85 PathProgramCache]: Analyzing trace with hash 2138389688, now seen corresponding path program 1 times [2024-11-22 17:55:57,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:57,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788243687] [2024-11-22 17:55:57,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:57,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:57,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:57,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:57,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788243687] [2024-11-22 17:55:57,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788243687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:57,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:57,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:55:57,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555785522] [2024-11-22 17:55:57,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:58,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:55:58,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:58,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:55:58,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:55:58,286 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 431 [2024-11-22 17:55:58,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 409 transitions, 830 flow. Second operand has 6 states, 6 states have (on average 366.5) internal successors, (2199), 6 states have internal predecessors, (2199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:55:58,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:58,296 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 431 [2024-11-22 17:55:58,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:58,611 INFO L124 PetriNetUnfolderBase]: 131/1616 cut-off events. [2024-11-22 17:55:58,611 INFO L125 PetriNetUnfolderBase]: For 68/69 co-relation queries the response was YES. [2024-11-22 17:55:58,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1893 conditions, 1616 events. 131/1616 cut-off events. For 68/69 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 10250 event pairs, 80 based on Foata normal form. 84/1458 useless extension candidates. Maximal degree in co-relation 1531. Up to 224 conditions per place. [2024-11-22 17:55:58,628 INFO L140 encePairwiseOnDemand]: 403/431 looper letters, 36 selfloop transitions, 10 changer transitions 6/391 dead transitions. [2024-11-22 17:55:58,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 391 transitions, 886 flow [2024-11-22 17:55:58,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:55:58,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:55:58,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2254 transitions. [2024-11-22 17:55:58,654 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.871616395978345 [2024-11-22 17:55:58,656 INFO L175 Difference]: Start difference. First operand has 392 places, 409 transitions, 830 flow. Second operand 6 states and 2254 transitions. [2024-11-22 17:55:58,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 391 transitions, 886 flow [2024-11-22 17:55:58,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 391 transitions, 878 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-22 17:55:58,669 INFO L231 Difference]: Finished difference. Result has 391 places, 385 transitions, 794 flow [2024-11-22 17:55:58,673 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=786, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=794, PETRI_PLACES=391, PETRI_TRANSITIONS=385} [2024-11-22 17:55:58,678 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -1 predicate places. [2024-11-22 17:55:58,679 INFO L471 AbstractCegarLoop]: Abstraction has has 391 places, 385 transitions, 794 flow [2024-11-22 17:55:58,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 366.5) internal successors, (2199), 6 states have internal predecessors, (2199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:55:58,680 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:58,680 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] [2024-11-22 17:55:58,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:55:58,681 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:55:58,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:58,682 INFO L85 PathProgramCache]: Analyzing trace with hash -955381916, now seen corresponding path program 1 times [2024-11-22 17:55:58,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:58,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859722796] [2024-11-22 17:55:58,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:58,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:58,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:58,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:58,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859722796] [2024-11-22 17:55:58,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859722796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:58,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:58,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:58,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397263592] [2024-11-22 17:55:58,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:58,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:58,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:58,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:58,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:58,746 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 431 [2024-11-22 17:55:58,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 385 transitions, 794 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:55:58,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:58,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 431 [2024-11-22 17:55:58,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:58,850 INFO L124 PetriNetUnfolderBase]: 13/491 cut-off events. [2024-11-22 17:55:58,850 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-22 17:55:58,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 524 conditions, 491 events. 13/491 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1285 event pairs, 3 based on Foata normal form. 0/430 useless extension candidates. Maximal degree in co-relation 491. Up to 16 conditions per place. [2024-11-22 17:55:58,855 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 9 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2024-11-22 17:55:58,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 384 transitions, 814 flow [2024-11-22 17:55:58,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:58,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:58,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2024-11-22 17:55:58,860 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9373549883990719 [2024-11-22 17:55:58,860 INFO L175 Difference]: Start difference. First operand has 391 places, 385 transitions, 794 flow. Second operand 3 states and 1212 transitions. [2024-11-22 17:55:58,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 384 transitions, 814 flow [2024-11-22 17:55:58,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 384 transitions, 794 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:55:58,867 INFO L231 Difference]: Finished difference. Result has 381 places, 384 transitions, 776 flow [2024-11-22 17:55:58,868 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=776, PETRI_PLACES=381, PETRI_TRANSITIONS=384} [2024-11-22 17:55:58,869 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -11 predicate places. [2024-11-22 17:55:58,869 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 384 transitions, 776 flow [2024-11-22 17:55:58,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:55:58,870 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:58,871 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:58,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:55:58,871 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:55:58,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:58,872 INFO L85 PathProgramCache]: Analyzing trace with hash 447164799, now seen corresponding path program 1 times [2024-11-22 17:55:58,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:58,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560326175] [2024-11-22 17:55:58,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:58,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:58,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:58,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:58,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560326175] [2024-11-22 17:55:58,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560326175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:58,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:58,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:58,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894679322] [2024-11-22 17:55:58,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:58,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:58,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:58,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:58,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:58,954 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 431 [2024-11-22 17:55:58,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 384 transitions, 776 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:55:58,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:58,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 431 [2024-11-22 17:55:58,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:59,034 INFO L124 PetriNetUnfolderBase]: 16/569 cut-off events. [2024-11-22 17:55:59,035 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-22 17:55:59,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 596 conditions, 569 events. 16/569 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1486 event pairs, 3 based on Foata normal form. 0/495 useless extension candidates. Maximal degree in co-relation 527. Up to 18 conditions per place. [2024-11-22 17:55:59,041 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 9 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2024-11-22 17:55:59,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 383 transitions, 796 flow [2024-11-22 17:55:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:59,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:59,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2024-11-22 17:55:59,045 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9373549883990719 [2024-11-22 17:55:59,045 INFO L175 Difference]: Start difference. First operand has 381 places, 384 transitions, 776 flow. Second operand 3 states and 1212 transitions. [2024-11-22 17:55:59,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 383 transitions, 796 flow [2024-11-22 17:55:59,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 383 transitions, 792 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:59,052 INFO L231 Difference]: Finished difference. Result has 380 places, 383 transitions, 774 flow [2024-11-22 17:55:59,053 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=774, PETRI_PLACES=380, PETRI_TRANSITIONS=383} [2024-11-22 17:55:59,054 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -12 predicate places. [2024-11-22 17:55:59,054 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 383 transitions, 774 flow [2024-11-22 17:55:59,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:55:59,055 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:59,055 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:59,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:55:59,056 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:55:59,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:59,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1028474618, now seen corresponding path program 1 times [2024-11-22 17:55:59,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:59,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78980491] [2024-11-22 17:55:59,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:59,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:59,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:59,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:59,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78980491] [2024-11-22 17:55:59,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78980491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:59,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:59,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:59,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737862246] [2024-11-22 17:55:59,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:59,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:59,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:59,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:59,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:59,140 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 431 [2024-11-22 17:55:59,142 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 383 transitions, 774 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:55:59,142 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:59,142 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 431 [2024-11-22 17:55:59,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:59,238 INFO L124 PetriNetUnfolderBase]: 15/584 cut-off events. [2024-11-22 17:55:59,239 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:55:59,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 609 conditions, 584 events. 15/584 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1808 event pairs, 3 based on Foata normal form. 0/508 useless extension candidates. Maximal degree in co-relation 493. Up to 16 conditions per place. [2024-11-22 17:55:59,243 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 9 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2024-11-22 17:55:59,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 382 transitions, 794 flow [2024-11-22 17:55:59,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:59,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:59,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2024-11-22 17:55:59,247 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9373549883990719 [2024-11-22 17:55:59,247 INFO L175 Difference]: Start difference. First operand has 380 places, 383 transitions, 774 flow. Second operand 3 states and 1212 transitions. [2024-11-22 17:55:59,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 382 transitions, 794 flow [2024-11-22 17:55:59,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 382 transitions, 790 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:59,253 INFO L231 Difference]: Finished difference. Result has 379 places, 382 transitions, 772 flow [2024-11-22 17:55:59,254 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=768, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=772, PETRI_PLACES=379, PETRI_TRANSITIONS=382} [2024-11-22 17:55:59,255 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -13 predicate places. [2024-11-22 17:55:59,255 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 382 transitions, 772 flow [2024-11-22 17:55:59,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:55:59,256 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:59,256 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] [2024-11-22 17:55:59,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:55:59,257 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:55:59,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:59,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1809473949, now seen corresponding path program 1 times [2024-11-22 17:55:59,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:59,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119575600] [2024-11-22 17:55:59,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:59,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:59,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:59,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:59,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119575600] [2024-11-22 17:55:59,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119575600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:59,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:59,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:59,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257334984] [2024-11-22 17:55:59,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:59,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:59,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:59,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:59,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:59,322 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 431 [2024-11-22 17:55:59,324 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 382 transitions, 772 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:55:59,324 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:59,324 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 431 [2024-11-22 17:55:59,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:59,389 INFO L124 PetriNetUnfolderBase]: 15/586 cut-off events. [2024-11-22 17:55:59,389 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-22 17:55:59,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 611 conditions, 586 events. 15/586 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1668 event pairs, 3 based on Foata normal form. 0/510 useless extension candidates. Maximal degree in co-relation 487. Up to 16 conditions per place. [2024-11-22 17:55:59,395 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 9 selfloop transitions, 2 changer transitions 0/381 dead transitions. [2024-11-22 17:55:59,395 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 381 transitions, 792 flow [2024-11-22 17:55:59,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:59,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:59,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2024-11-22 17:55:59,398 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9373549883990719 [2024-11-22 17:55:59,398 INFO L175 Difference]: Start difference. First operand has 379 places, 382 transitions, 772 flow. Second operand 3 states and 1212 transitions. [2024-11-22 17:55:59,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 381 transitions, 792 flow [2024-11-22 17:55:59,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 381 transitions, 788 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:59,405 INFO L231 Difference]: Finished difference. Result has 378 places, 381 transitions, 770 flow [2024-11-22 17:55:59,405 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=766, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=770, PETRI_PLACES=378, PETRI_TRANSITIONS=381} [2024-11-22 17:55:59,407 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -14 predicate places. [2024-11-22 17:55:59,407 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 381 transitions, 770 flow [2024-11-22 17:55:59,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:55:59,408 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:59,408 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] [2024-11-22 17:55:59,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:55:59,409 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:55:59,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:59,409 INFO L85 PathProgramCache]: Analyzing trace with hash -500375461, now seen corresponding path program 1 times [2024-11-22 17:55:59,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:59,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653529496] [2024-11-22 17:55:59,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:59,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:59,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:59,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653529496] [2024-11-22 17:55:59,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653529496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:59,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:59,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:59,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832302059] [2024-11-22 17:55:59,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:59,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:59,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:59,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:59,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:59,498 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 431 [2024-11-22 17:55:59,500 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 381 transitions, 770 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:55:59,500 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:59,500 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 431 [2024-11-22 17:55:59,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:59,625 INFO L124 PetriNetUnfolderBase]: 26/858 cut-off events. [2024-11-22 17:55:59,626 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:55:59,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 892 conditions, 858 events. 26/858 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3672 event pairs, 5 based on Foata normal form. 0/745 useless extension candidates. Maximal degree in co-relation 760. Up to 22 conditions per place. [2024-11-22 17:55:59,632 INFO L140 encePairwiseOnDemand]: 427/431 looper letters, 10 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2024-11-22 17:55:59,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 382 transitions, 797 flow [2024-11-22 17:55:59,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:59,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:59,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2024-11-22 17:55:59,636 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9435421500386698 [2024-11-22 17:55:59,636 INFO L175 Difference]: Start difference. First operand has 378 places, 381 transitions, 770 flow. Second operand 3 states and 1220 transitions. [2024-11-22 17:55:59,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 382 transitions, 797 flow [2024-11-22 17:55:59,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 382 transitions, 793 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:59,645 INFO L231 Difference]: Finished difference. Result has 377 places, 381 transitions, 776 flow [2024-11-22 17:55:59,646 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=776, PETRI_PLACES=377, PETRI_TRANSITIONS=381} [2024-11-22 17:55:59,648 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -15 predicate places. [2024-11-22 17:55:59,648 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 381 transitions, 776 flow [2024-11-22 17:55:59,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:55:59,649 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:59,649 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] [2024-11-22 17:55:59,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:55:59,651 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:55:59,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:59,652 INFO L85 PathProgramCache]: Analyzing trace with hash 461024467, now seen corresponding path program 1 times [2024-11-22 17:55:59,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:59,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853022280] [2024-11-22 17:55:59,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:59,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:59,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:59,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853022280] [2024-11-22 17:55:59,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853022280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:59,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:59,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:59,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580720129] [2024-11-22 17:55:59,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:59,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:59,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:59,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:59,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:59,727 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 431 [2024-11-22 17:55:59,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 381 transitions, 776 flow. Second operand has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:55:59,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:59,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 431 [2024-11-22 17:55:59,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:59,828 INFO L124 PetriNetUnfolderBase]: 27/835 cut-off events. [2024-11-22 17:55:59,828 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-22 17:55:59,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 874 conditions, 835 events. 27/835 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3872 event pairs, 3 based on Foata normal form. 0/731 useless extension candidates. Maximal degree in co-relation 642. Up to 22 conditions per place. [2024-11-22 17:55:59,835 INFO L140 encePairwiseOnDemand]: 427/431 looper letters, 10 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2024-11-22 17:55:59,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 382 transitions, 803 flow [2024-11-22 17:55:59,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:59,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:59,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2024-11-22 17:55:59,838 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9435421500386698 [2024-11-22 17:55:59,838 INFO L175 Difference]: Start difference. First operand has 377 places, 381 transitions, 776 flow. Second operand 3 states and 1220 transitions. [2024-11-22 17:55:59,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 382 transitions, 803 flow [2024-11-22 17:55:59,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 382 transitions, 803 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:55:59,845 INFO L231 Difference]: Finished difference. Result has 378 places, 381 transitions, 786 flow [2024-11-22 17:55:59,845 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=786, PETRI_PLACES=378, PETRI_TRANSITIONS=381} [2024-11-22 17:55:59,846 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -14 predicate places. [2024-11-22 17:55:59,846 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 381 transitions, 786 flow [2024-11-22 17:55:59,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:55:59,847 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:59,848 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:59,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 17:55:59,848 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:55:59,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:59,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1590061436, now seen corresponding path program 1 times [2024-11-22 17:55:59,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:59,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097592987] [2024-11-22 17:55:59,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:59,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:59,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:59,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:59,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097592987] [2024-11-22 17:55:59,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097592987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:59,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:59,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:59,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69169787] [2024-11-22 17:55:59,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:59,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:59,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:59,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:59,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:59,935 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 431 [2024-11-22 17:55:59,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 381 transitions, 786 flow. Second operand has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:55:59,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:59,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 431 [2024-11-22 17:55:59,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:00,011 INFO L124 PetriNetUnfolderBase]: 25/649 cut-off events. [2024-11-22 17:56:00,013 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:56:00,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 649 events. 25/649 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2503 event pairs, 6 based on Foata normal form. 0/575 useless extension candidates. Maximal degree in co-relation 484. Up to 33 conditions per place. [2024-11-22 17:56:00,037 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 14 selfloop transitions, 2 changer transitions 0/381 dead transitions. [2024-11-22 17:56:00,038 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 381 transitions, 819 flow [2024-11-22 17:56:00,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:00,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:00,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1208 transitions. [2024-11-22 17:56:00,041 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.934261407579273 [2024-11-22 17:56:00,041 INFO L175 Difference]: Start difference. First operand has 378 places, 381 transitions, 786 flow. Second operand 3 states and 1208 transitions. [2024-11-22 17:56:00,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 381 transitions, 819 flow [2024-11-22 17:56:00,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 381 transitions, 819 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:00,048 INFO L231 Difference]: Finished difference. Result has 379 places, 380 transitions, 788 flow [2024-11-22 17:56:00,049 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=788, PETRI_PLACES=379, PETRI_TRANSITIONS=380} [2024-11-22 17:56:00,050 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -13 predicate places. [2024-11-22 17:56:00,051 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 380 transitions, 788 flow [2024-11-22 17:56:00,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:00,052 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:00,052 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:00,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 17:56:00,053 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:56:00,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:00,053 INFO L85 PathProgramCache]: Analyzing trace with hash 665560201, now seen corresponding path program 1 times [2024-11-22 17:56:00,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:00,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573651938] [2024-11-22 17:56:00,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:00,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:00,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:00,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:00,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573651938] [2024-11-22 17:56:00,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573651938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:00,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:00,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:00,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329254520] [2024-11-22 17:56:00,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:00,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:00,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:00,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:00,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:00,133 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 431 [2024-11-22 17:56:00,135 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 380 transitions, 788 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:00,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:00,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 431 [2024-11-22 17:56:00,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:00,254 INFO L124 PetriNetUnfolderBase]: 43/1091 cut-off events. [2024-11-22 17:56:00,255 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-11-22 17:56:00,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1163 conditions, 1091 events. 43/1091 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5205 event pairs, 2 based on Foata normal form. 0/948 useless extension candidates. Maximal degree in co-relation 898. Up to 41 conditions per place. [2024-11-22 17:56:00,265 INFO L140 encePairwiseOnDemand]: 427/431 looper letters, 12 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2024-11-22 17:56:00,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 383 transitions, 825 flow [2024-11-22 17:56:00,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:00,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:00,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1222 transitions. [2024-11-22 17:56:00,269 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9450889404485692 [2024-11-22 17:56:00,269 INFO L175 Difference]: Start difference. First operand has 379 places, 380 transitions, 788 flow. Second operand 3 states and 1222 transitions. [2024-11-22 17:56:00,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 383 transitions, 825 flow [2024-11-22 17:56:00,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 383 transitions, 821 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:00,276 INFO L231 Difference]: Finished difference. Result has 378 places, 380 transitions, 794 flow [2024-11-22 17:56:00,277 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=794, PETRI_PLACES=378, PETRI_TRANSITIONS=380} [2024-11-22 17:56:00,278 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -14 predicate places. [2024-11-22 17:56:00,278 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 380 transitions, 794 flow [2024-11-22 17:56:00,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:00,279 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:00,279 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:00,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 17:56:00,280 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:56:00,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:00,280 INFO L85 PathProgramCache]: Analyzing trace with hash -842438428, now seen corresponding path program 1 times [2024-11-22 17:56:00,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:00,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073688216] [2024-11-22 17:56:00,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:00,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:00,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:00,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:00,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073688216] [2024-11-22 17:56:00,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073688216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:00,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:00,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:00,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681052067] [2024-11-22 17:56:00,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:00,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:00,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:00,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:00,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:00,364 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 431 [2024-11-22 17:56:00,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 380 transitions, 794 flow. Second operand has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:00,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:00,366 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 431 [2024-11-22 17:56:00,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:00,513 INFO L124 PetriNetUnfolderBase]: 45/1032 cut-off events. [2024-11-22 17:56:00,513 INFO L125 PetriNetUnfolderBase]: For 6/18 co-relation queries the response was YES. [2024-11-22 17:56:00,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1152 conditions, 1032 events. 45/1032 cut-off events. For 6/18 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4379 event pairs, 5 based on Foata normal form. 2/919 useless extension candidates. Maximal degree in co-relation 888. Up to 36 conditions per place. [2024-11-22 17:56:00,523 INFO L140 encePairwiseOnDemand]: 421/431 looper letters, 16 selfloop transitions, 5 changer transitions 0/379 dead transitions. [2024-11-22 17:56:00,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 379 transitions, 835 flow [2024-11-22 17:56:00,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:00,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:00,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1199 transitions. [2024-11-22 17:56:00,526 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9273008507347255 [2024-11-22 17:56:00,526 INFO L175 Difference]: Start difference. First operand has 378 places, 380 transitions, 794 flow. Second operand 3 states and 1199 transitions. [2024-11-22 17:56:00,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 379 transitions, 835 flow [2024-11-22 17:56:00,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 379 transitions, 835 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:00,533 INFO L231 Difference]: Finished difference. Result has 377 places, 378 transitions, 816 flow [2024-11-22 17:56:00,533 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=377, PETRI_TRANSITIONS=378} [2024-11-22 17:56:00,534 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -15 predicate places. [2024-11-22 17:56:00,534 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 378 transitions, 816 flow [2024-11-22 17:56:00,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:00,535 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:00,536 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:00,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 17:56:00,536 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:56:00,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:00,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1804653164, now seen corresponding path program 1 times [2024-11-22 17:56:00,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:00,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381855575] [2024-11-22 17:56:00,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:00,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:00,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:00,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:00,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381855575] [2024-11-22 17:56:00,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381855575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:00,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:00,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:00,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746209097] [2024-11-22 17:56:00,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:00,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:00,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:00,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:00,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:00,615 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 431 [2024-11-22 17:56:00,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 378 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:00,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:00,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 431 [2024-11-22 17:56:00,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:00,747 INFO L124 PetriNetUnfolderBase]: 50/1066 cut-off events. [2024-11-22 17:56:00,747 INFO L125 PetriNetUnfolderBase]: For 38/40 co-relation queries the response was YES. [2024-11-22 17:56:00,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1214 conditions, 1066 events. 50/1066 cut-off events. For 38/40 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4818 event pairs, 11 based on Foata normal form. 0/935 useless extension candidates. Maximal degree in co-relation 939. Up to 65 conditions per place. [2024-11-22 17:56:00,759 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 14 selfloop transitions, 2 changer transitions 0/378 dead transitions. [2024-11-22 17:56:00,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 378 transitions, 849 flow [2024-11-22 17:56:00,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:00,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:00,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1208 transitions. [2024-11-22 17:56:00,762 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.934261407579273 [2024-11-22 17:56:00,762 INFO L175 Difference]: Start difference. First operand has 377 places, 378 transitions, 816 flow. Second operand 3 states and 1208 transitions. [2024-11-22 17:56:00,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 378 transitions, 849 flow [2024-11-22 17:56:00,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 378 transitions, 839 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:00,769 INFO L231 Difference]: Finished difference. Result has 376 places, 377 transitions, 808 flow [2024-11-22 17:56:00,770 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=804, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=808, PETRI_PLACES=376, PETRI_TRANSITIONS=377} [2024-11-22 17:56:00,770 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -16 predicate places. [2024-11-22 17:56:00,770 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 377 transitions, 808 flow [2024-11-22 17:56:00,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:00,771 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:00,772 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:00,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 17:56:00,772 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:56:00,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:00,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1558680784, now seen corresponding path program 1 times [2024-11-22 17:56:00,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:00,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117588930] [2024-11-22 17:56:00,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:00,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:00,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:00,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:00,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117588930] [2024-11-22 17:56:00,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117588930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:00,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:00,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 17:56:00,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553473169] [2024-11-22 17:56:00,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:00,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 17:56:00,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:00,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 17:56:00,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 17:56:00,932 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 431 [2024-11-22 17:56:00,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 377 transitions, 808 flow. Second operand has 4 states, 4 states have (on average 402.25) internal successors, (1609), 4 states have internal predecessors, (1609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:00,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:00,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 431 [2024-11-22 17:56:00,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:01,106 INFO L124 PetriNetUnfolderBase]: 46/1176 cut-off events. [2024-11-22 17:56:01,107 INFO L125 PetriNetUnfolderBase]: For 9/31 co-relation queries the response was YES. [2024-11-22 17:56:01,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1332 conditions, 1176 events. 46/1176 cut-off events. For 9/31 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 5462 event pairs, 7 based on Foata normal form. 3/1052 useless extension candidates. Maximal degree in co-relation 1065. Up to 34 conditions per place. [2024-11-22 17:56:01,119 INFO L140 encePairwiseOnDemand]: 426/431 looper letters, 20 selfloop transitions, 4 changer transitions 0/388 dead transitions. [2024-11-22 17:56:01,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 388 transitions, 883 flow [2024-11-22 17:56:01,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 17:56:01,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-22 17:56:01,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2030 transitions. [2024-11-22 17:56:01,124 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419953596287703 [2024-11-22 17:56:01,124 INFO L175 Difference]: Start difference. First operand has 376 places, 377 transitions, 808 flow. Second operand 5 states and 2030 transitions. [2024-11-22 17:56:01,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 388 transitions, 883 flow [2024-11-22 17:56:01,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 388 transitions, 879 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:01,131 INFO L231 Difference]: Finished difference. Result has 381 places, 379 transitions, 829 flow [2024-11-22 17:56:01,132 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=829, PETRI_PLACES=381, PETRI_TRANSITIONS=379} [2024-11-22 17:56:01,133 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -11 predicate places. [2024-11-22 17:56:01,134 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 379 transitions, 829 flow [2024-11-22 17:56:01,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 402.25) internal successors, (1609), 4 states have internal predecessors, (1609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:01,135 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:01,135 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:01,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 17:56:01,135 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:56:01,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:01,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1608634157, now seen corresponding path program 1 times [2024-11-22 17:56:01,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:01,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910052723] [2024-11-22 17:56:01,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:01,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:01,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:01,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:01,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910052723] [2024-11-22 17:56:01,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910052723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:01,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:01,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:01,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942725884] [2024-11-22 17:56:01,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:01,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:01,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:01,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:01,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:01,223 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 431 [2024-11-22 17:56:01,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 379 transitions, 829 flow. Second operand has 3 states, 3 states have (on average 399.0) internal successors, (1197), 3 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:01,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:01,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 431 [2024-11-22 17:56:01,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:01,397 INFO L124 PetriNetUnfolderBase]: 57/1123 cut-off events. [2024-11-22 17:56:01,397 INFO L125 PetriNetUnfolderBase]: For 34/67 co-relation queries the response was YES. [2024-11-22 17:56:01,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1350 conditions, 1123 events. 57/1123 cut-off events. For 34/67 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5100 event pairs, 14 based on Foata normal form. 2/1018 useless extension candidates. Maximal degree in co-relation 1083. Up to 79 conditions per place. [2024-11-22 17:56:01,411 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 16 selfloop transitions, 2 changer transitions 0/379 dead transitions. [2024-11-22 17:56:01,412 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 379 transitions, 866 flow [2024-11-22 17:56:01,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:01,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:01,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1208 transitions. [2024-11-22 17:56:01,417 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.934261407579273 [2024-11-22 17:56:01,417 INFO L175 Difference]: Start difference. First operand has 381 places, 379 transitions, 829 flow. Second operand 3 states and 1208 transitions. [2024-11-22 17:56:01,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 379 transitions, 866 flow [2024-11-22 17:56:01,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 379 transitions, 866 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:01,427 INFO L231 Difference]: Finished difference. Result has 382 places, 378 transitions, 831 flow [2024-11-22 17:56:01,428 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=827, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=831, PETRI_PLACES=382, PETRI_TRANSITIONS=378} [2024-11-22 17:56:01,428 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -10 predicate places. [2024-11-22 17:56:01,428 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 378 transitions, 831 flow [2024-11-22 17:56:01,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.0) internal successors, (1197), 3 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:01,429 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:01,429 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:01,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 17:56:01,430 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:56:01,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:01,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1805413938, now seen corresponding path program 1 times [2024-11-22 17:56:01,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:01,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597156861] [2024-11-22 17:56:01,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:01,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:01,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:01,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:01,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597156861] [2024-11-22 17:56:01,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597156861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:01,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:01,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:56:01,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340705845] [2024-11-22 17:56:01,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:01,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 17:56:01,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:01,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 17:56:01,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 17:56:01,632 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 431 [2024-11-22 17:56:01,635 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 378 transitions, 831 flow. Second operand has 5 states, 5 states have (on average 394.4) internal successors, (1972), 5 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:01,635 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:01,635 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 431 [2024-11-22 17:56:01,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:01,796 INFO L124 PetriNetUnfolderBase]: 28/1064 cut-off events. [2024-11-22 17:56:01,797 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-11-22 17:56:01,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1198 conditions, 1064 events. 28/1064 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4315 event pairs, 1 based on Foata normal form. 2/966 useless extension candidates. Maximal degree in co-relation 987. Up to 17 conditions per place. [2024-11-22 17:56:01,812 INFO L140 encePairwiseOnDemand]: 417/431 looper letters, 12 selfloop transitions, 12 changer transitions 0/380 dead transitions. [2024-11-22 17:56:01,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 380 transitions, 883 flow [2024-11-22 17:56:01,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 17:56:01,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-22 17:56:01,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1981 transitions. [2024-11-22 17:56:01,819 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9192575406032483 [2024-11-22 17:56:01,819 INFO L175 Difference]: Start difference. First operand has 382 places, 378 transitions, 831 flow. Second operand 5 states and 1981 transitions. [2024-11-22 17:56:01,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 380 transitions, 883 flow [2024-11-22 17:56:01,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 380 transitions, 879 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:01,826 INFO L231 Difference]: Finished difference. Result has 385 places, 380 transitions, 867 flow [2024-11-22 17:56:01,826 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=827, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=867, PETRI_PLACES=385, PETRI_TRANSITIONS=380} [2024-11-22 17:56:01,827 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -7 predicate places. [2024-11-22 17:56:01,827 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 380 transitions, 867 flow [2024-11-22 17:56:01,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 394.4) internal successors, (1972), 5 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:01,828 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:01,829 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:01,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 17:56:01,829 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:56:01,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:01,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1143069234, now seen corresponding path program 1 times [2024-11-22 17:56:01,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:01,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744504873] [2024-11-22 17:56:01,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:01,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:02,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 17:56:02,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:02,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744504873] [2024-11-22 17:56:02,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744504873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:56:02,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841538711] [2024-11-22 17:56:02,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:02,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:56:02,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:56:02,054 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 17:56:02,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 17:56:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:02,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 17:56:02,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:56:02,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 17:56:02,339 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:56:02,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 17:56:02,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841538711] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:56:02,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:56:02,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-22 17:56:02,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452414107] [2024-11-22 17:56:02,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:56:02,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 17:56:02,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:02,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 17:56:02,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-22 17:56:02,911 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 385 out of 431 [2024-11-22 17:56:02,918 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 380 transitions, 867 flow. Second operand has 15 states, 15 states have (on average 387.6666666666667) internal successors, (5815), 15 states have internal predecessors, (5815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:02,918 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:02,918 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 385 of 431 [2024-11-22 17:56:02,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:03,289 INFO L124 PetriNetUnfolderBase]: 28/1098 cut-off events. [2024-11-22 17:56:03,289 INFO L125 PetriNetUnfolderBase]: For 23/31 co-relation queries the response was YES. [2024-11-22 17:56:03,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1263 conditions, 1098 events. 28/1098 cut-off events. For 23/31 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4258 event pairs, 1 based on Foata normal form. 4/1002 useless extension candidates. Maximal degree in co-relation 1059. Up to 17 conditions per place. [2024-11-22 17:56:03,297 INFO L140 encePairwiseOnDemand]: 411/431 looper letters, 20 selfloop transitions, 26 changer transitions 0/396 dead transitions. [2024-11-22 17:56:03,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 396 transitions, 995 flow [2024-11-22 17:56:03,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 17:56:03,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-22 17:56:03,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4285 transitions. [2024-11-22 17:56:03,305 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9038177599662518 [2024-11-22 17:56:03,305 INFO L175 Difference]: Start difference. First operand has 385 places, 380 transitions, 867 flow. Second operand 11 states and 4285 transitions. [2024-11-22 17:56:03,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 396 transitions, 995 flow [2024-11-22 17:56:03,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 396 transitions, 975 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-22 17:56:03,311 INFO L231 Difference]: Finished difference. Result has 395 places, 392 transitions, 967 flow [2024-11-22 17:56:03,312 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=847, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=967, PETRI_PLACES=395, PETRI_TRANSITIONS=392} [2024-11-22 17:56:03,313 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, 3 predicate places. [2024-11-22 17:56:03,313 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 392 transitions, 967 flow [2024-11-22 17:56:03,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 387.6666666666667) internal successors, (5815), 15 states have internal predecessors, (5815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:03,315 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:03,316 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:03,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 17:56:03,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-22 17:56:03,517 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:56:03,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:03,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1517401266, now seen corresponding path program 2 times [2024-11-22 17:56:03,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:03,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051600882] [2024-11-22 17:56:03,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:56:03,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:03,551 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:56:03,552 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:56:03,974 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-22 17:56:03,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:03,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051600882] [2024-11-22 17:56:03,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051600882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:03,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:03,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:56:03,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071482221] [2024-11-22 17:56:03,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:03,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:56:03,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:03,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:56:03,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:56:04,221 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 431 [2024-11-22 17:56:04,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 392 transitions, 967 flow. Second operand has 6 states, 6 states have (on average 393.8333333333333) internal successors, (2363), 6 states have internal predecessors, (2363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:04,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:04,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 431 [2024-11-22 17:56:04,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:04,447 INFO L124 PetriNetUnfolderBase]: 43/1221 cut-off events. [2024-11-22 17:56:04,447 INFO L125 PetriNetUnfolderBase]: For 42/63 co-relation queries the response was YES. [2024-11-22 17:56:04,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1487 conditions, 1221 events. 43/1221 cut-off events. For 42/63 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5297 event pairs, 3 based on Foata normal form. 4/1118 useless extension candidates. Maximal degree in co-relation 1280. Up to 52 conditions per place. [2024-11-22 17:56:04,460 INFO L140 encePairwiseOnDemand]: 425/431 looper letters, 20 selfloop transitions, 6 changer transitions 0/395 dead transitions. [2024-11-22 17:56:04,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 395 transitions, 1029 flow [2024-11-22 17:56:04,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:56:04,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:56:04,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2372 transitions. [2024-11-22 17:56:04,465 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.917246713070379 [2024-11-22 17:56:04,465 INFO L175 Difference]: Start difference. First operand has 395 places, 392 transitions, 967 flow. Second operand 6 states and 2372 transitions. [2024-11-22 17:56:04,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 395 transitions, 1029 flow [2024-11-22 17:56:04,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 395 transitions, 1005 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-11-22 17:56:04,473 INFO L231 Difference]: Finished difference. Result has 396 places, 391 transitions, 953 flow [2024-11-22 17:56:04,474 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=941, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=953, PETRI_PLACES=396, PETRI_TRANSITIONS=391} [2024-11-22 17:56:04,475 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, 4 predicate places. [2024-11-22 17:56:04,475 INFO L471 AbstractCegarLoop]: Abstraction has has 396 places, 391 transitions, 953 flow [2024-11-22 17:56:04,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 393.8333333333333) internal successors, (2363), 6 states have internal predecessors, (2363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:04,476 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:04,476 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:04,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 17:56:04,477 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:56:04,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:04,477 INFO L85 PathProgramCache]: Analyzing trace with hash -628517603, now seen corresponding path program 1 times [2024-11-22 17:56:04,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:04,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587655555] [2024-11-22 17:56:04,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:04,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:04,555 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-22 17:56:04,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:04,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587655555] [2024-11-22 17:56:04,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587655555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:04,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:04,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:04,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865124065] [2024-11-22 17:56:04,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:04,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:04,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:04,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:04,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:04,567 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 431 [2024-11-22 17:56:04,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 391 transitions, 953 flow. Second operand has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:04,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:04,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 431 [2024-11-22 17:56:04,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:04,927 INFO L124 PetriNetUnfolderBase]: 62/1648 cut-off events. [2024-11-22 17:56:04,928 INFO L125 PetriNetUnfolderBase]: For 47/54 co-relation queries the response was YES. [2024-11-22 17:56:04,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1960 conditions, 1648 events. 62/1648 cut-off events. For 47/54 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 9042 event pairs, 7 based on Foata normal form. 0/1512 useless extension candidates. Maximal degree in co-relation 1738. Up to 76 conditions per place. [2024-11-22 17:56:04,944 INFO L140 encePairwiseOnDemand]: 427/431 looper letters, 12 selfloop transitions, 2 changer transitions 0/394 dead transitions. [2024-11-22 17:56:04,944 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 394 transitions, 990 flow [2024-11-22 17:56:04,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:04,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:04,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1222 transitions. [2024-11-22 17:56:04,948 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9450889404485692 [2024-11-22 17:56:04,948 INFO L175 Difference]: Start difference. First operand has 396 places, 391 transitions, 953 flow. Second operand 3 states and 1222 transitions. [2024-11-22 17:56:04,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 394 transitions, 990 flow [2024-11-22 17:56:04,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 394 transitions, 978 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:56:04,957 INFO L231 Difference]: Finished difference. Result has 392 places, 391 transitions, 951 flow [2024-11-22 17:56:04,958 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=937, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=951, PETRI_PLACES=392, PETRI_TRANSITIONS=391} [2024-11-22 17:56:04,958 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, 0 predicate places. [2024-11-22 17:56:04,958 INFO L471 AbstractCegarLoop]: Abstraction has has 392 places, 391 transitions, 951 flow [2024-11-22 17:56:04,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:04,959 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:04,959 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:04,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 17:56:04,960 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:56:04,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:04,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1990822712, now seen corresponding path program 1 times [2024-11-22 17:56:04,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:04,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582284383] [2024-11-22 17:56:04,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:04,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:05,054 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-22 17:56:05,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:05,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582284383] [2024-11-22 17:56:05,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582284383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:05,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:05,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:05,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365750210] [2024-11-22 17:56:05,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:05,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:05,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:05,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:05,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:05,084 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 431 [2024-11-22 17:56:05,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 391 transitions, 951 flow. Second operand has 3 states, 3 states have (on average 392.6666666666667) internal successors, (1178), 3 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:05,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:05,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 431 [2024-11-22 17:56:05,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:05,433 INFO L124 PetriNetUnfolderBase]: 84/1913 cut-off events. [2024-11-22 17:56:05,434 INFO L125 PetriNetUnfolderBase]: For 58/61 co-relation queries the response was YES. [2024-11-22 17:56:05,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2263 conditions, 1913 events. 84/1913 cut-off events. For 58/61 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 10830 event pairs, 15 based on Foata normal form. 4/1762 useless extension candidates. Maximal degree in co-relation 2041. Up to 84 conditions per place. [2024-11-22 17:56:05,447 INFO L140 encePairwiseOnDemand]: 419/431 looper letters, 10 selfloop transitions, 4 changer transitions 38/392 dead transitions. [2024-11-22 17:56:05,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 392 transitions, 998 flow [2024-11-22 17:56:05,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:05,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:05,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1200 transitions. [2024-11-22 17:56:05,451 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9280742459396751 [2024-11-22 17:56:05,451 INFO L175 Difference]: Start difference. First operand has 392 places, 391 transitions, 951 flow. Second operand 3 states and 1200 transitions. [2024-11-22 17:56:05,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 392 transitions, 998 flow [2024-11-22 17:56:05,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 392 transitions, 998 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:05,458 INFO L231 Difference]: Finished difference. Result has 391 places, 353 transitions, 894 flow [2024-11-22 17:56:05,459 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=941, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=391, PETRI_TRANSITIONS=353} [2024-11-22 17:56:05,460 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -1 predicate places. [2024-11-22 17:56:05,460 INFO L471 AbstractCegarLoop]: Abstraction has has 391 places, 353 transitions, 894 flow [2024-11-22 17:56:05,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 392.6666666666667) internal successors, (1178), 3 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:05,461 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:05,461 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:05,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 17:56:05,462 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:56:05,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:05,462 INFO L85 PathProgramCache]: Analyzing trace with hash -573256764, now seen corresponding path program 1 times [2024-11-22 17:56:05,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:05,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440338839] [2024-11-22 17:56:05,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:05,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:05,598 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-22 17:56:05,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:05,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440338839] [2024-11-22 17:56:05,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440338839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:05,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:05,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 17:56:05,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538925238] [2024-11-22 17:56:05,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:05,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 17:56:05,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:05,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 17:56:05,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 17:56:05,659 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 431 [2024-11-22 17:56:05,664 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 353 transitions, 894 flow. Second operand has 4 states, 4 states have (on average 402.5) internal successors, (1610), 4 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:05,664 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:05,664 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 431 [2024-11-22 17:56:05,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:05,990 INFO L124 PetriNetUnfolderBase]: 64/1697 cut-off events. [2024-11-22 17:56:05,991 INFO L125 PetriNetUnfolderBase]: For 99/102 co-relation queries the response was YES. [2024-11-22 17:56:06,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2118 conditions, 1697 events. 64/1697 cut-off events. For 99/102 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 9947 event pairs, 25 based on Foata normal form. 0/1555 useless extension candidates. Maximal degree in co-relation 1894. Up to 76 conditions per place. [2024-11-22 17:56:06,012 INFO L140 encePairwiseOnDemand]: 426/431 looper letters, 15 selfloop transitions, 4 changer transitions 0/360 dead transitions. [2024-11-22 17:56:06,012 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 360 transitions, 947 flow [2024-11-22 17:56:06,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 17:56:06,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-22 17:56:06,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2025 transitions. [2024-11-22 17:56:06,017 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9396751740139211 [2024-11-22 17:56:06,017 INFO L175 Difference]: Start difference. First operand has 391 places, 353 transitions, 894 flow. Second operand 5 states and 2025 transitions. [2024-11-22 17:56:06,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 360 transitions, 947 flow [2024-11-22 17:56:06,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 360 transitions, 939 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:06,024 INFO L231 Difference]: Finished difference. Result has 362 places, 355 transitions, 911 flow [2024-11-22 17:56:06,024 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=911, PETRI_PLACES=362, PETRI_TRANSITIONS=355} [2024-11-22 17:56:06,025 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -30 predicate places. [2024-11-22 17:56:06,025 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 355 transitions, 911 flow [2024-11-22 17:56:06,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 402.5) internal successors, (1610), 4 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:06,027 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:06,027 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:06,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 17:56:06,028 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:56:06,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:06,028 INFO L85 PathProgramCache]: Analyzing trace with hash 491047271, now seen corresponding path program 1 times [2024-11-22 17:56:06,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:06,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66358594] [2024-11-22 17:56:06,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:06,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:06,116 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-22 17:56:06,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:06,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66358594] [2024-11-22 17:56:06,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66358594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:06,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:06,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:06,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679185539] [2024-11-22 17:56:06,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:06,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:06,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:06,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:06,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:06,155 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 431 [2024-11-22 17:56:06,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 355 transitions, 911 flow. Second operand has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:06,157 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:06,157 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 431 [2024-11-22 17:56:06,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:06,442 INFO L124 PetriNetUnfolderBase]: 85/1728 cut-off events. [2024-11-22 17:56:06,442 INFO L125 PetriNetUnfolderBase]: For 133/136 co-relation queries the response was YES. [2024-11-22 17:56:06,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2255 conditions, 1728 events. 85/1728 cut-off events. For 133/136 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 11105 event pairs, 46 based on Foata normal form. 0/1601 useless extension candidates. Maximal degree in co-relation 2029. Up to 135 conditions per place. [2024-11-22 17:56:06,459 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 11 selfloop transitions, 2 changer transitions 1/355 dead transitions. [2024-11-22 17:56:06,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 355 transitions, 940 flow [2024-11-22 17:56:06,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:06,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:06,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1204 transitions. [2024-11-22 17:56:06,462 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9311678267594741 [2024-11-22 17:56:06,462 INFO L175 Difference]: Start difference. First operand has 362 places, 355 transitions, 911 flow. Second operand 3 states and 1204 transitions. [2024-11-22 17:56:06,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 355 transitions, 940 flow [2024-11-22 17:56:06,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 355 transitions, 940 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:06,468 INFO L231 Difference]: Finished difference. Result has 363 places, 354 transitions, 913 flow [2024-11-22 17:56:06,469 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=909, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=913, PETRI_PLACES=363, PETRI_TRANSITIONS=354} [2024-11-22 17:56:06,469 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -29 predicate places. [2024-11-22 17:56:06,469 INFO L471 AbstractCegarLoop]: Abstraction has has 363 places, 354 transitions, 913 flow [2024-11-22 17:56:06,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:06,470 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:06,470 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:06,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 17:56:06,470 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:56:06,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:06,471 INFO L85 PathProgramCache]: Analyzing trace with hash -389871930, now seen corresponding path program 1 times [2024-11-22 17:56:06,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:06,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297944034] [2024-11-22 17:56:06,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:06,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:06,767 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 17:56:06,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:06,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297944034] [2024-11-22 17:56:06,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297944034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:56:06,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530187237] [2024-11-22 17:56:06,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:06,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:56:06,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:56:06,770 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 17:56:06,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 17:56:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:06,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 17:56:06,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:56:07,251 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 17:56:07,251 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:56:07,431 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 17:56:07,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530187237] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:56:07,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:56:07,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-11-22 17:56:07,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16257679] [2024-11-22 17:56:07,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:56:07,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-22 17:56:07,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:07,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-22 17:56:07,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-11-22 17:56:08,015 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 385 out of 431 [2024-11-22 17:56:08,023 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 354 transitions, 913 flow. Second operand has 22 states, 22 states have (on average 387.59090909090907) internal successors, (8527), 22 states have internal predecessors, (8527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:08,024 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:08,024 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 385 of 431 [2024-11-22 17:56:08,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:08,545 INFO L124 PetriNetUnfolderBase]: 21/1438 cut-off events. [2024-11-22 17:56:08,546 INFO L125 PetriNetUnfolderBase]: For 68/71 co-relation queries the response was YES. [2024-11-22 17:56:08,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1817 conditions, 1438 events. 21/1438 cut-off events. For 68/71 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 5734 event pairs, 5 based on Foata normal form. 4/1367 useless extension candidates. Maximal degree in co-relation 1708. Up to 19 conditions per place. [2024-11-22 17:56:08,561 INFO L140 encePairwiseOnDemand]: 411/431 looper letters, 23 selfloop transitions, 38 changer transitions 0/374 dead transitions. [2024-11-22 17:56:08,561 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 374 transitions, 1131 flow [2024-11-22 17:56:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 17:56:08,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-22 17:56:08,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 6610 transitions. [2024-11-22 17:56:08,573 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9021427596560666 [2024-11-22 17:56:08,574 INFO L175 Difference]: Start difference. First operand has 363 places, 354 transitions, 913 flow. Second operand 17 states and 6610 transitions. [2024-11-22 17:56:08,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 374 transitions, 1131 flow [2024-11-22 17:56:08,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 374 transitions, 1127 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:08,581 INFO L231 Difference]: Finished difference. Result has 380 places, 368 transitions, 1093 flow [2024-11-22 17:56:08,581 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=909, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1093, PETRI_PLACES=380, PETRI_TRANSITIONS=368} [2024-11-22 17:56:08,582 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -12 predicate places. [2024-11-22 17:56:08,582 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 368 transitions, 1093 flow [2024-11-22 17:56:08,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 387.59090909090907) internal successors, (8527), 22 states have internal predecessors, (8527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:08,584 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:08,585 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:08,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 17:56:08,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-22 17:56:08,786 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:56:08,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:08,786 INFO L85 PathProgramCache]: Analyzing trace with hash -2128024506, now seen corresponding path program 2 times [2024-11-22 17:56:08,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:08,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520673976] [2024-11-22 17:56:08,786 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:56:08,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:08,818 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:56:08,818 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:56:09,238 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-22 17:56:09,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:09,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520673976] [2024-11-22 17:56:09,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520673976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:09,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:09,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:56:09,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667595290] [2024-11-22 17:56:09,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:09,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:56:09,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:09,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:56:09,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:56:09,458 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 431 [2024-11-22 17:56:09,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 368 transitions, 1093 flow. Second operand has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:09,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:09,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 431 [2024-11-22 17:56:09,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:09,865 INFO L124 PetriNetUnfolderBase]: 64/1911 cut-off events. [2024-11-22 17:56:09,865 INFO L125 PetriNetUnfolderBase]: For 147/150 co-relation queries the response was YES. [2024-11-22 17:56:09,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2504 conditions, 1911 events. 64/1911 cut-off events. For 147/150 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 10019 event pairs, 13 based on Foata normal form. 0/1807 useless extension candidates. Maximal degree in co-relation 2308. Up to 80 conditions per place. [2024-11-22 17:56:09,873 INFO L140 encePairwiseOnDemand]: 425/431 looper letters, 19 selfloop transitions, 6 changer transitions 0/371 dead transitions. [2024-11-22 17:56:09,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 371 transitions, 1153 flow [2024-11-22 17:56:09,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:56:09,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:56:09,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2371 transitions. [2024-11-22 17:56:09,879 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9168600154679041 [2024-11-22 17:56:09,880 INFO L175 Difference]: Start difference. First operand has 380 places, 368 transitions, 1093 flow. Second operand 6 states and 2371 transitions. [2024-11-22 17:56:09,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 371 transitions, 1153 flow [2024-11-22 17:56:09,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 371 transitions, 1101 flow, removed 8 selfloop flow, removed 8 redundant places. [2024-11-22 17:56:09,887 INFO L231 Difference]: Finished difference. Result has 376 places, 367 transitions, 1051 flow [2024-11-22 17:56:09,887 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=1039, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1051, PETRI_PLACES=376, PETRI_TRANSITIONS=367} [2024-11-22 17:56:09,888 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -16 predicate places. [2024-11-22 17:56:09,888 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 367 transitions, 1051 flow [2024-11-22 17:56:09,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:09,889 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:09,889 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:09,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-22 17:56:09,890 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:56:09,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:09,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1342048501, now seen corresponding path program 1 times [2024-11-22 17:56:09,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:09,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709481374] [2024-11-22 17:56:09,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:09,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:10,647 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-22 17:56:10,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:10,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709481374] [2024-11-22 17:56:10,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709481374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:10,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:10,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:56:10,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265176512] [2024-11-22 17:56:10,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:10,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:56:10,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:10,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:56:10,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:56:10,854 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 431 [2024-11-22 17:56:10,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 367 transitions, 1051 flow. Second operand has 6 states, 6 states have (on average 393.8333333333333) internal successors, (2363), 6 states have internal predecessors, (2363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:10,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:10,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 431 [2024-11-22 17:56:10,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:11,138 INFO L124 PetriNetUnfolderBase]: 36/1532 cut-off events. [2024-11-22 17:56:11,138 INFO L125 PetriNetUnfolderBase]: For 113/116 co-relation queries the response was YES. [2024-11-22 17:56:11,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2038 conditions, 1532 events. 36/1532 cut-off events. For 113/116 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6517 event pairs, 7 based on Foata normal form. 0/1461 useless extension candidates. Maximal degree in co-relation 1932. Up to 70 conditions per place. [2024-11-22 17:56:11,155 INFO L140 encePairwiseOnDemand]: 425/431 looper letters, 19 selfloop transitions, 6 changer transitions 0/370 dead transitions. [2024-11-22 17:56:11,156 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 370 transitions, 1111 flow [2024-11-22 17:56:11,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:56:11,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:56:11,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2371 transitions. [2024-11-22 17:56:11,162 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9168600154679041 [2024-11-22 17:56:11,162 INFO L175 Difference]: Start difference. First operand has 376 places, 367 transitions, 1051 flow. Second operand 6 states and 2371 transitions. [2024-11-22 17:56:11,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 370 transitions, 1111 flow [2024-11-22 17:56:11,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 370 transitions, 1099 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:56:11,170 INFO L231 Difference]: Finished difference. Result has 375 places, 366 transitions, 1049 flow [2024-11-22 17:56:11,171 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=1037, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1049, PETRI_PLACES=375, PETRI_TRANSITIONS=366} [2024-11-22 17:56:11,172 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -17 predicate places. [2024-11-22 17:56:11,172 INFO L471 AbstractCegarLoop]: Abstraction has has 375 places, 366 transitions, 1049 flow [2024-11-22 17:56:11,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 393.8333333333333) internal successors, (2363), 6 states have internal predecessors, (2363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:11,174 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:11,174 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:11,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-22 17:56:11,175 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:56:11,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:11,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1423548307, now seen corresponding path program 1 times [2024-11-22 17:56:11,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:11,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950294644] [2024-11-22 17:56:11,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:11,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:11,902 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-22 17:56:11,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:11,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950294644] [2024-11-22 17:56:11,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950294644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:11,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:11,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:56:11,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697090170] [2024-11-22 17:56:11,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:11,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:56:11,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:11,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:56:11,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:56:12,082 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 431 [2024-11-22 17:56:12,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 366 transitions, 1049 flow. Second operand has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:12,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:12,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 431 [2024-11-22 17:56:12,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:12,427 INFO L124 PetriNetUnfolderBase]: 64/1857 cut-off events. [2024-11-22 17:56:12,427 INFO L125 PetriNetUnfolderBase]: For 163/166 co-relation queries the response was YES. [2024-11-22 17:56:12,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2475 conditions, 1857 events. 64/1857 cut-off events. For 163/166 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 9794 event pairs, 13 based on Foata normal form. 0/1776 useless extension candidates. Maximal degree in co-relation 2279. Up to 80 conditions per place. [2024-11-22 17:56:12,441 INFO L140 encePairwiseOnDemand]: 425/431 looper letters, 19 selfloop transitions, 6 changer transitions 0/369 dead transitions. [2024-11-22 17:56:12,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 369 transitions, 1109 flow [2024-11-22 17:56:12,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:56:12,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:56:12,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2371 transitions. [2024-11-22 17:56:12,445 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9168600154679041 [2024-11-22 17:56:12,445 INFO L175 Difference]: Start difference. First operand has 375 places, 366 transitions, 1049 flow. Second operand 6 states and 2371 transitions. [2024-11-22 17:56:12,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 369 transitions, 1109 flow [2024-11-22 17:56:12,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 369 transitions, 1097 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:56:12,453 INFO L231 Difference]: Finished difference. Result has 374 places, 365 transitions, 1047 flow [2024-11-22 17:56:12,454 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=1035, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1047, PETRI_PLACES=374, PETRI_TRANSITIONS=365} [2024-11-22 17:56:12,454 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -18 predicate places. [2024-11-22 17:56:12,454 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 365 transitions, 1047 flow [2024-11-22 17:56:12,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:12,455 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:12,455 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:12,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-22 17:56:12,456 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:56:12,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:12,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1147561893, now seen corresponding path program 1 times [2024-11-22 17:56:12,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:12,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162284852] [2024-11-22 17:56:12,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:12,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:12,551 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-22 17:56:12,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:12,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162284852] [2024-11-22 17:56:12,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162284852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:12,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:12,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:12,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880059052] [2024-11-22 17:56:12,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:12,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:12,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:12,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:12,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:12,582 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 431 [2024-11-22 17:56:12,583 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 365 transitions, 1047 flow. Second operand has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:12,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:12,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 431 [2024-11-22 17:56:12,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:12,855 INFO L124 PetriNetUnfolderBase]: 42/1534 cut-off events. [2024-11-22 17:56:12,855 INFO L125 PetriNetUnfolderBase]: For 113/113 co-relation queries the response was YES. [2024-11-22 17:56:12,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2040 conditions, 1534 events. 42/1534 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 6625 event pairs, 17 based on Foata normal form. 0/1484 useless extension candidates. Maximal degree in co-relation 1934. Up to 79 conditions per place. [2024-11-22 17:56:12,871 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 11 selfloop transitions, 3 changer transitions 0/365 dead transitions. [2024-11-22 17:56:12,871 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 365 transitions, 1076 flow [2024-11-22 17:56:12,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:12,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:12,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1204 transitions. [2024-11-22 17:56:12,873 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9311678267594741 [2024-11-22 17:56:12,873 INFO L175 Difference]: Start difference. First operand has 374 places, 365 transitions, 1047 flow. Second operand 3 states and 1204 transitions. [2024-11-22 17:56:12,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 365 transitions, 1076 flow [2024-11-22 17:56:12,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 365 transitions, 1064 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:56:12,881 INFO L231 Difference]: Finished difference. Result has 370 places, 364 transitions, 1039 flow [2024-11-22 17:56:12,882 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=1033, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1039, PETRI_PLACES=370, PETRI_TRANSITIONS=364} [2024-11-22 17:56:12,882 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -22 predicate places. [2024-11-22 17:56:12,882 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 364 transitions, 1039 flow [2024-11-22 17:56:12,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:12,883 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:12,883 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:12,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-22 17:56:12,883 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-22 17:56:12,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:12,884 INFO L85 PathProgramCache]: Analyzing trace with hash 930808349, now seen corresponding path program 1 times [2024-11-22 17:56:12,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:12,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393956652] [2024-11-22 17:56:12,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:12,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:12,994 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-22 17:56:12,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:12,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393956652] [2024-11-22 17:56:12,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393956652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:12,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:12,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:12,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690190760] [2024-11-22 17:56:12,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:12,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:12,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:12,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:12,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:13,027 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 431 [2024-11-22 17:56:13,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 364 transitions, 1039 flow. Second operand has 3 states, 3 states have (on average 399.0) internal successors, (1197), 3 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:13,028 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:13,029 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 431 [2024-11-22 17:56:13,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:13,295 INFO L124 PetriNetUnfolderBase]: 76/1736 cut-off events. [2024-11-22 17:56:13,295 INFO L125 PetriNetUnfolderBase]: For 171/174 co-relation queries the response was YES. [2024-11-22 17:56:13,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2317 conditions, 1736 events. 76/1736 cut-off events. For 171/174 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 10128 event pairs, 43 based on Foata normal form. 0/1663 useless extension candidates. Maximal degree in co-relation 2086. Up to 127 conditions per place. [2024-11-22 17:56:13,309 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 0 selfloop transitions, 0 changer transitions 364/364 dead transitions. [2024-11-22 17:56:13,309 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 364 transitions, 1068 flow [2024-11-22 17:56:13,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:13,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:13,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1204 transitions. [2024-11-22 17:56:13,311 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9311678267594741 [2024-11-22 17:56:13,311 INFO L175 Difference]: Start difference. First operand has 370 places, 364 transitions, 1039 flow. Second operand 3 states and 1204 transitions. [2024-11-22 17:56:13,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 364 transitions, 1068 flow [2024-11-22 17:56:13,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 364 transitions, 1062 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:13,317 INFO L231 Difference]: Finished difference. Result has 369 places, 0 transitions, 0 flow [2024-11-22 17:56:13,317 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=1031, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=369, PETRI_TRANSITIONS=0} [2024-11-22 17:56:13,317 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -23 predicate places. [2024-11-22 17:56:13,318 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 0 transitions, 0 flow [2024-11-22 17:56:13,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.0) internal successors, (1197), 3 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:56:13,320 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (57 of 58 remaining) [2024-11-22 17:56:13,321 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (56 of 58 remaining) [2024-11-22 17:56:13,321 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 58 remaining) [2024-11-22 17:56:13,321 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (54 of 58 remaining) [2024-11-22 17:56:13,321 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (53 of 58 remaining) [2024-11-22 17:56:13,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (52 of 58 remaining) [2024-11-22 17:56:13,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 58 remaining) [2024-11-22 17:56:13,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 58 remaining) [2024-11-22 17:56:13,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 58 remaining) [2024-11-22 17:56:13,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 58 remaining) [2024-11-22 17:56:13,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 58 remaining) [2024-11-22 17:56:13,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (46 of 58 remaining) [2024-11-22 17:56:13,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (45 of 58 remaining) [2024-11-22 17:56:13,323 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (44 of 58 remaining) [2024-11-22 17:56:13,323 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (43 of 58 remaining) [2024-11-22 17:56:13,323 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (42 of 58 remaining) [2024-11-22 17:56:13,323 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (41 of 58 remaining) [2024-11-22 17:56:13,323 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (40 of 58 remaining) [2024-11-22 17:56:13,323 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (39 of 58 remaining) [2024-11-22 17:56:13,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (38 of 58 remaining) [2024-11-22 17:56:13,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (37 of 58 remaining) [2024-11-22 17:56:13,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (36 of 58 remaining) [2024-11-22 17:56:13,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 58 remaining) [2024-11-22 17:56:13,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 58 remaining) [2024-11-22 17:56:13,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 58 remaining) [2024-11-22 17:56:13,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 58 remaining) [2024-11-22 17:56:13,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 58 remaining) [2024-11-22 17:56:13,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 58 remaining) [2024-11-22 17:56:13,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 58 remaining) [2024-11-22 17:56:13,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 58 remaining) [2024-11-22 17:56:13,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 58 remaining) [2024-11-22 17:56:13,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 58 remaining) [2024-11-22 17:56:13,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 58 remaining) [2024-11-22 17:56:13,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 58 remaining) [2024-11-22 17:56:13,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 58 remaining) [2024-11-22 17:56:13,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 58 remaining) [2024-11-22 17:56:13,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 58 remaining) [2024-11-22 17:56:13,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 58 remaining) [2024-11-22 17:56:13,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 58 remaining) [2024-11-22 17:56:13,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 58 remaining) [2024-11-22 17:56:13,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (17 of 58 remaining) [2024-11-22 17:56:13,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (16 of 58 remaining) [2024-11-22 17:56:13,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 58 remaining) [2024-11-22 17:56:13,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 58 remaining) [2024-11-22 17:56:13,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 58 remaining) [2024-11-22 17:56:13,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 58 remaining) [2024-11-22 17:56:13,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 58 remaining) [2024-11-22 17:56:13,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 58 remaining) [2024-11-22 17:56:13,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 58 remaining) [2024-11-22 17:56:13,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 58 remaining) [2024-11-22 17:56:13,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 58 remaining) [2024-11-22 17:56:13,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (6 of 58 remaining) [2024-11-22 17:56:13,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (5 of 58 remaining) [2024-11-22 17:56:13,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 58 remaining) [2024-11-22 17:56:13,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 58 remaining) [2024-11-22 17:56:13,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (2 of 58 remaining) [2024-11-22 17:56:13,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (1 of 58 remaining) [2024-11-22 17:56:13,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (0 of 58 remaining) [2024-11-22 17:56:13,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-22 17:56:13,329 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:13,334 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:56:13,335 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:56:13,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:56:13 BasicIcfg [2024-11-22 17:56:13,340 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:56:13,340 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:56:13,341 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:56:13,341 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:56:13,341 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:55:56" (3/4) ... [2024-11-22 17:56:13,343 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 17:56:13,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-22 17:56:13,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-22 17:56:13,353 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-22 17:56:13,353 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 17:56:13,353 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 17:56:13,354 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 17:56:13,454 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:56:13,455 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 17:56:13,455 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:56:13,455 INFO L158 Benchmark]: Toolchain (without parser) took 18224.74ms. Allocated memory was 163.6MB in the beginning and 736.1MB in the end (delta: 572.5MB). Free memory was 86.7MB in the beginning and 489.6MB in the end (delta: -402.8MB). Peak memory consumption was 171.0MB. Max. memory is 16.1GB. [2024-11-22 17:56:13,455 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 163.6MB. Free memory is still 132.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:56:13,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.92ms. Allocated memory is still 163.6MB. Free memory was 86.5MB in the beginning and 134.6MB in the end (delta: -48.0MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-22 17:56:13,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.47ms. Allocated memory is still 163.6MB. Free memory was 134.5MB in the beginning and 134.4MB in the end (delta: 119.3kB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-11-22 17:56:13,456 INFO L158 Benchmark]: Boogie Preprocessor took 66.95ms. Allocated memory is still 163.6MB. Free memory was 134.4MB in the beginning and 132.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:56:13,457 INFO L158 Benchmark]: RCFGBuilder took 830.99ms. Allocated memory is still 163.6MB. Free memory was 132.3MB in the beginning and 103.5MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-22 17:56:13,457 INFO L158 Benchmark]: TraceAbstraction took 16730.30ms. Allocated memory was 163.6MB in the beginning and 736.1MB in the end (delta: 572.5MB). Free memory was 102.5MB in the beginning and 495.9MB in the end (delta: -393.4MB). Peak memory consumption was 181.2MB. Max. memory is 16.1GB. [2024-11-22 17:56:13,457 INFO L158 Benchmark]: Witness Printer took 114.38ms. Allocated memory is still 736.1MB. Free memory was 495.9MB in the beginning and 489.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 17:56:13,458 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 163.6MB. Free memory is still 132.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.92ms. Allocated memory is still 163.6MB. Free memory was 86.5MB in the beginning and 134.6MB in the end (delta: -48.0MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.47ms. Allocated memory is still 163.6MB. Free memory was 134.5MB in the beginning and 134.4MB in the end (delta: 119.3kB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.95ms. Allocated memory is still 163.6MB. Free memory was 134.4MB in the beginning and 132.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 830.99ms. Allocated memory is still 163.6MB. Free memory was 132.3MB in the beginning and 103.5MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 16730.30ms. Allocated memory was 163.6MB in the beginning and 736.1MB in the end (delta: 572.5MB). Free memory was 102.5MB in the beginning and 495.9MB in the end (delta: -393.4MB). Peak memory consumption was 181.2MB. Max. memory is 16.1GB. * Witness Printer took 114.38ms. Allocated memory is still 736.1MB. Free memory was 495.9MB in the beginning and 489.6MB 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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: 79]: 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: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: 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: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 606 locations, 58 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: 16.5s, OverallIterations: 26, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2586 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1721 mSDsluCounter, 1226 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 920 mSDsCounter, 371 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4185 IncrementalHoareTripleChecker+Invalid, 4556 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 371 mSolverCounterUnsat, 306 mSDtfsCounter, 4185 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 875 GetRequests, 768 SyntacticMatches, 5 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1093occurred in iteration=21, InterpolantAutomatonStates: 121, 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: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 4765 NumberOfCodeBlocks, 4525 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 5115 ConstructedInterpolants, 0 QuantifiedInterpolants, 6924 SizeOfPredicates, 14 NumberOfNonLiveVariables, 856 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 30 InterpolantComputations, 24 PerfectInterpolantSequences, 2177/2324 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 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-22 17:56:13,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE