./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i -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 6aeaf730cbe4eb831d189bfd9925d1660c7714b9e685f389bc2495c0943d6472 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:32:41,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:32:41,304 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:32:41,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:32:41,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:32:41,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:32:41,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:32:41,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:32:41,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:32:41,330 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:32:41,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:32:41,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:32:41,331 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:32:41,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:32:41,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:32:41,332 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:32:41,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:32:41,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:32:41,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:32:41,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:32:41,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:32:41,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:32:41,336 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:32:41,336 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:32:41,336 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:32:41,337 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:32:41,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:32:41,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:32:41,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:32:41,338 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:32:41,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:32:41,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:32:41,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:32:41,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:32:41,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:32:41,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:32:41,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:32:41,340 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:32:41,341 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:32:41,341 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:32:41,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:32:41,342 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aeaf730cbe4eb831d189bfd9925d1660c7714b9e685f389bc2495c0943d6472 [2024-11-12 12:32:41,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:32:41,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:32:41,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:32:41,618 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:32:41,619 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:32:41,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2024-11-12 12:32:42,839 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:32:43,050 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:32:43,050 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2024-11-12 12:32:43,061 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d195179fd/74450a3cb9834339b973c0714850cb73/FLAGe80446894 [2024-11-12 12:32:43,431 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d195179fd/74450a3cb9834339b973c0714850cb73 [2024-11-12 12:32:43,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:32:43,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:32:43,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:32:43,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:32:43,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:32:43,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:32:43" (1/1) ... [2024-11-12 12:32:43,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a6fb129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:32:43, skipping insertion in model container [2024-11-12 12:32:43,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:32:43" (1/1) ... [2024-11-12 12:32:43,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:32:43,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:32:43,776 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:32:43,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:32:43,849 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:32:43,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:32:43 WrapperNode [2024-11-12 12:32:43,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:32:43,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:32:43,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:32:43,851 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:32:43,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:32:43" (1/1) ... [2024-11-12 12:32:43,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:32:43" (1/1) ... [2024-11-12 12:32:43,905 INFO L138 Inliner]: procedures = 165, calls = 35, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 178 [2024-11-12 12:32:43,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:32:43,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:32:43,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:32:43,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:32:43,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:32:43" (1/1) ... [2024-11-12 12:32:43,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:32:43" (1/1) ... [2024-11-12 12:32:43,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:32:43" (1/1) ... [2024-11-12 12:32:43,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:32:43" (1/1) ... [2024-11-12 12:32:43,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:32:43" (1/1) ... [2024-11-12 12:32:43,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:32:43" (1/1) ... [2024-11-12 12:32:43,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:32:43" (1/1) ... [2024-11-12 12:32:43,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:32:43" (1/1) ... [2024-11-12 12:32:43,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:32:43,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:32:43,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:32:43,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:32:43,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:32:43" (1/1) ... [2024-11-12 12:32:43,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:32:43,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:32:43,967 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) [2024-11-12 12:32:43,969 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 [2024-11-12 12:32:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 12:32:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2024-11-12 12:32:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2024-11-12 12:32:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:32:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-12 12:32:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:32:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:32:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-12 12:32:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:32:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:32:44,008 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:32:44,113 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:32:44,114 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:32:44,365 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:32:44,366 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:32:44,394 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:32:44,395 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-12 12:32:44,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:32:44 BoogieIcfgContainer [2024-11-12 12:32:44,395 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:32:44,397 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:32:44,398 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:32:44,400 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:32:44,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:32:43" (1/3) ... [2024-11-12 12:32:44,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6b03a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:32:44, skipping insertion in model container [2024-11-12 12:32:44,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:32:43" (2/3) ... [2024-11-12 12:32:44,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6b03a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:32:44, skipping insertion in model container [2024-11-12 12:32:44,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:32:44" (3/3) ... [2024-11-12 12:32:44,405 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2024-11-12 12:32:44,417 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:32:44,418 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-12 12:32:44,419 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:32:44,507 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-12 12:32:44,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 201 places, 209 transitions, 422 flow [2024-11-12 12:32:44,610 INFO L124 PetriNetUnfolderBase]: 12/208 cut-off events. [2024-11-12 12:32:44,610 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:32:44,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 208 events. 12/208 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 409 event pairs, 0 based on Foata normal form. 0/186 useless extension candidates. Maximal degree in co-relation 164. Up to 2 conditions per place. [2024-11-12 12:32:44,621 INFO L82 GeneralOperation]: Start removeDead. Operand has 201 places, 209 transitions, 422 flow [2024-11-12 12:32:44,628 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 200 places, 208 transitions, 419 flow [2024-11-12 12:32:44,639 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:32:44,645 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;@3c4e933b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:32:44,645 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-11-12 12:32:44,654 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:32:44,654 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2024-11-12 12:32:44,654 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:32:44,654 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:32:44,655 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:32:44,655 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:32:44,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:32:44,660 INFO L85 PathProgramCache]: Analyzing trace with hash -70160838, now seen corresponding path program 1 times [2024-11-12 12:32:44,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:32:44,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528885220] [2024-11-12 12:32:44,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:32:44,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:32:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:32:45,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:32:45,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:32:45,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528885220] [2024-11-12 12:32:45,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528885220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:32:45,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:32:45,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:32:45,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640236465] [2024-11-12 12:32:45,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:32:45,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:32:45,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:32:45,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:32:45,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:32:45,471 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 209 [2024-11-12 12:32:45,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 208 transitions, 419 flow. Second operand has 6 states, 6 states have (on average 147.33333333333334) internal successors, (884), 6 states have internal predecessors, (884), 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) [2024-11-12 12:32:45,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:32:45,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 209 [2024-11-12 12:32:45,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:32:45,797 INFO L124 PetriNetUnfolderBase]: 479/2039 cut-off events. [2024-11-12 12:32:45,798 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 12:32:45,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2925 conditions, 2039 events. 479/2039 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 14607 event pairs, 378 based on Foata normal form. 151/1993 useless extension candidates. Maximal degree in co-relation 2866. Up to 877 conditions per place. [2024-11-12 12:32:45,815 INFO L140 encePairwiseOnDemand]: 195/209 looper letters, 47 selfloop transitions, 5 changer transitions 0/193 dead transitions. [2024-11-12 12:32:45,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 193 transitions, 493 flow [2024-11-12 12:32:45,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:32:45,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:32:45,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 937 transitions. [2024-11-12 12:32:45,833 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7472089314194578 [2024-11-12 12:32:45,837 INFO L175 Difference]: Start difference. First operand has 200 places, 208 transitions, 419 flow. Second operand 6 states and 937 transitions. [2024-11-12 12:32:45,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 193 transitions, 493 flow [2024-11-12 12:32:45,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 193 transitions, 492 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:32:45,844 INFO L231 Difference]: Finished difference. Result has 196 places, 193 transitions, 398 flow [2024-11-12 12:32:45,846 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=398, PETRI_PLACES=196, PETRI_TRANSITIONS=193} [2024-11-12 12:32:45,851 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, -4 predicate places. [2024-11-12 12:32:45,851 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 193 transitions, 398 flow [2024-11-12 12:32:45,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.33333333333334) internal successors, (884), 6 states have internal predecessors, (884), 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) [2024-11-12 12:32:45,852 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:32:45,852 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:32:45,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:32:45,852 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:32:45,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:32:45,853 INFO L85 PathProgramCache]: Analyzing trace with hash 736634007, now seen corresponding path program 1 times [2024-11-12 12:32:45,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:32:45,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339519510] [2024-11-12 12:32:45,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:32:45,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:32:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:32:46,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:32:46,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:32:46,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339519510] [2024-11-12 12:32:46,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339519510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:32:46,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:32:46,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:32:46,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886211036] [2024-11-12 12:32:46,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:32:46,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:32:46,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:32:46,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:32:46,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:32:46,506 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 209 [2024-11-12 12:32:46,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 193 transitions, 398 flow. Second operand has 6 states, 6 states have (on average 149.16666666666666) internal successors, (895), 6 states have internal predecessors, (895), 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) [2024-11-12 12:32:46,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:32:46,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 209 [2024-11-12 12:32:46,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:32:46,836 INFO L124 PetriNetUnfolderBase]: 592/2764 cut-off events. [2024-11-12 12:32:46,836 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 12:32:46,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3879 conditions, 2764 events. 592/2764 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 21828 event pairs, 70 based on Foata normal form. 0/2532 useless extension candidates. Maximal degree in co-relation 3835. Up to 653 conditions per place. [2024-11-12 12:32:46,848 INFO L140 encePairwiseOnDemand]: 173/209 looper letters, 76 selfloop transitions, 43 changer transitions 0/260 dead transitions. [2024-11-12 12:32:46,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 260 transitions, 770 flow [2024-11-12 12:32:46,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:32:46,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:32:46,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1006 transitions. [2024-11-12 12:32:46,851 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8022328548644339 [2024-11-12 12:32:46,851 INFO L175 Difference]: Start difference. First operand has 196 places, 193 transitions, 398 flow. Second operand 6 states and 1006 transitions. [2024-11-12 12:32:46,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 260 transitions, 770 flow [2024-11-12 12:32:46,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 260 transitions, 760 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:32:46,858 INFO L231 Difference]: Finished difference. Result has 201 places, 236 transitions, 718 flow [2024-11-12 12:32:46,859 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=718, PETRI_PLACES=201, PETRI_TRANSITIONS=236} [2024-11-12 12:32:46,859 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, 1 predicate places. [2024-11-12 12:32:46,859 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 236 transitions, 718 flow [2024-11-12 12:32:46,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 149.16666666666666) internal successors, (895), 6 states have internal predecessors, (895), 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) [2024-11-12 12:32:46,860 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:32:46,860 INFO L206 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] [2024-11-12 12:32:46,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:32:46,860 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:32:46,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:32:46,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1489049592, now seen corresponding path program 1 times [2024-11-12 12:32:46,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:32:46,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718592306] [2024-11-12 12:32:46,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:32:46,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:32:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:32:47,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:32:47,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:32:47,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718592306] [2024-11-12 12:32:47,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718592306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:32:47,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:32:47,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:32:47,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957545432] [2024-11-12 12:32:47,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:32:47,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:32:47,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:32:47,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:32:47,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:32:47,366 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 209 [2024-11-12 12:32:47,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 236 transitions, 718 flow. Second operand has 6 states, 6 states have (on average 167.16666666666666) internal successors, (1003), 6 states have internal predecessors, (1003), 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) [2024-11-12 12:32:47,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:32:47,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 209 [2024-11-12 12:32:47,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:32:47,752 INFO L124 PetriNetUnfolderBase]: 620/3630 cut-off events. [2024-11-12 12:32:47,754 INFO L125 PetriNetUnfolderBase]: For 676/756 co-relation queries the response was YES. [2024-11-12 12:32:47,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6107 conditions, 3630 events. 620/3630 cut-off events. For 676/756 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 29776 event pairs, 75 based on Foata normal form. 12/3432 useless extension candidates. Maximal degree in co-relation 6050. Up to 758 conditions per place. [2024-11-12 12:32:47,800 INFO L140 encePairwiseOnDemand]: 191/209 looper letters, 66 selfloop transitions, 36 changer transitions 0/287 dead transitions. [2024-11-12 12:32:47,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 287 transitions, 1066 flow [2024-11-12 12:32:47,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:32:47,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:32:47,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1069 transitions. [2024-11-12 12:32:47,803 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8524720893141946 [2024-11-12 12:32:47,803 INFO L175 Difference]: Start difference. First operand has 201 places, 236 transitions, 718 flow. Second operand 6 states and 1069 transitions. [2024-11-12 12:32:47,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 287 transitions, 1066 flow [2024-11-12 12:32:47,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 287 transitions, 1066 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:32:47,813 INFO L231 Difference]: Finished difference. Result has 211 places, 271 transitions, 1018 flow [2024-11-12 12:32:47,814 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1018, PETRI_PLACES=211, PETRI_TRANSITIONS=271} [2024-11-12 12:32:47,814 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, 11 predicate places. [2024-11-12 12:32:47,815 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 271 transitions, 1018 flow [2024-11-12 12:32:47,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 167.16666666666666) internal successors, (1003), 6 states have internal predecessors, (1003), 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) [2024-11-12 12:32:47,816 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:32:47,816 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:32:47,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:32:47,817 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:32:47,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:32:47,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1342110901, now seen corresponding path program 1 times [2024-11-12 12:32:47,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:32:47,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937684922] [2024-11-12 12:32:47,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:32:47,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:32:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:32:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:32:48,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:32:48,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937684922] [2024-11-12 12:32:48,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937684922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:32:48,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:32:48,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:32:48,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126569385] [2024-11-12 12:32:48,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:32:48,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:32:48,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:32:48,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:32:48,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:32:48,225 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 209 [2024-11-12 12:32:48,226 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 271 transitions, 1018 flow. Second operand has 6 states, 6 states have (on average 149.0) internal successors, (894), 6 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:32:48,226 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:32:48,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 209 [2024-11-12 12:32:48,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:32:49,248 INFO L124 PetriNetUnfolderBase]: 2543/8449 cut-off events. [2024-11-12 12:32:49,249 INFO L125 PetriNetUnfolderBase]: For 4965/5276 co-relation queries the response was YES. [2024-11-12 12:32:49,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19213 conditions, 8449 events. 2543/8449 cut-off events. For 4965/5276 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 71927 event pairs, 840 based on Foata normal form. 117/8103 useless extension candidates. Maximal degree in co-relation 19151. Up to 4332 conditions per place. [2024-11-12 12:32:49,285 INFO L140 encePairwiseOnDemand]: 178/209 looper letters, 129 selfloop transitions, 153 changer transitions 0/427 dead transitions. [2024-11-12 12:32:49,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 427 transitions, 2278 flow [2024-11-12 12:32:49,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:32:49,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:32:49,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1039 transitions. [2024-11-12 12:32:49,288 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.828548644338118 [2024-11-12 12:32:49,288 INFO L175 Difference]: Start difference. First operand has 211 places, 271 transitions, 1018 flow. Second operand 6 states and 1039 transitions. [2024-11-12 12:32:49,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 427 transitions, 2278 flow [2024-11-12 12:32:49,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 427 transitions, 2278 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:32:49,308 INFO L231 Difference]: Finished difference. Result has 221 places, 414 transitions, 2408 flow [2024-11-12 12:32:49,308 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=1018, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2408, PETRI_PLACES=221, PETRI_TRANSITIONS=414} [2024-11-12 12:32:49,309 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, 21 predicate places. [2024-11-12 12:32:49,309 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 414 transitions, 2408 flow [2024-11-12 12:32:49,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 149.0) internal successors, (894), 6 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:32:49,310 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:32:49,310 INFO L206 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] [2024-11-12 12:32:49,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:32:49,310 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:32:49,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:32:49,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1913560309, now seen corresponding path program 1 times [2024-11-12 12:32:49,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:32:49,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327823290] [2024-11-12 12:32:49,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:32:49,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:32:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:32:49,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:32:49,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:32:49,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327823290] [2024-11-12 12:32:49,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327823290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:32:49,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:32:49,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 12:32:49,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338841151] [2024-11-12 12:32:49,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:32:49,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 12:32:49,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:32:49,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 12:32:49,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-12 12:32:50,369 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-11-12 12:32:50,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 414 transitions, 2408 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:32:50,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:32:50,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-11-12 12:32:50,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:32:51,228 INFO L124 PetriNetUnfolderBase]: 1532/6775 cut-off events. [2024-11-12 12:32:51,228 INFO L125 PetriNetUnfolderBase]: For 6212/7269 co-relation queries the response was YES. [2024-11-12 12:32:51,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15961 conditions, 6775 events. 1532/6775 cut-off events. For 6212/7269 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 62153 event pairs, 63 based on Foata normal form. 59/6504 useless extension candidates. Maximal degree in co-relation 15896. Up to 1360 conditions per place. [2024-11-12 12:32:51,261 INFO L140 encePairwiseOnDemand]: 197/209 looper letters, 40 selfloop transitions, 16 changer transitions 0/449 dead transitions. [2024-11-12 12:32:51,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 449 transitions, 2632 flow [2024-11-12 12:32:51,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 12:32:51,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 12:32:51,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1496 transitions. [2024-11-12 12:32:51,266 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8947368421052632 [2024-11-12 12:32:51,266 INFO L175 Difference]: Start difference. First operand has 221 places, 414 transitions, 2408 flow. Second operand 8 states and 1496 transitions. [2024-11-12 12:32:51,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 449 transitions, 2632 flow [2024-11-12 12:32:51,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 449 transitions, 2494 flow, removed 69 selfloop flow, removed 0 redundant places. [2024-11-12 12:32:51,297 INFO L231 Difference]: Finished difference. Result has 231 places, 423 transitions, 2350 flow [2024-11-12 12:32:51,298 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=2276, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2350, PETRI_PLACES=231, PETRI_TRANSITIONS=423} [2024-11-12 12:32:51,299 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, 31 predicate places. [2024-11-12 12:32:51,299 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 423 transitions, 2350 flow [2024-11-12 12:32:51,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:32:51,300 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:32:51,300 INFO L206 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] [2024-11-12 12:32:51,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:32:51,300 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:32:51,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:32:51,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1524466853, now seen corresponding path program 2 times [2024-11-12 12:32:51,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:32:51,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009858815] [2024-11-12 12:32:51,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:32:51,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:32:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:32:51,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:32:51,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:32:51,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009858815] [2024-11-12 12:32:51,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009858815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:32:51,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:32:51,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 12:32:51,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921059936] [2024-11-12 12:32:51,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:32:51,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 12:32:51,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:32:51,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 12:32:51,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-12 12:32:52,140 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-11-12 12:32:52,142 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 423 transitions, 2350 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:32:52,142 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:32:52,143 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-11-12 12:32:52,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:32:53,214 INFO L124 PetriNetUnfolderBase]: 2147/8829 cut-off events. [2024-11-12 12:32:53,215 INFO L125 PetriNetUnfolderBase]: For 8322/9709 co-relation queries the response was YES. [2024-11-12 12:32:53,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21908 conditions, 8829 events. 2147/8829 cut-off events. For 8322/9709 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 83350 event pairs, 74 based on Foata normal form. 105/8518 useless extension candidates. Maximal degree in co-relation 21838. Up to 1752 conditions per place. [2024-11-12 12:32:53,276 INFO L140 encePairwiseOnDemand]: 197/209 looper letters, 49 selfloop transitions, 20 changer transitions 0/462 dead transitions. [2024-11-12 12:32:53,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 462 transitions, 2664 flow [2024-11-12 12:32:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 12:32:53,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 12:32:53,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1496 transitions. [2024-11-12 12:32:53,280 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8947368421052632 [2024-11-12 12:32:53,280 INFO L175 Difference]: Start difference. First operand has 231 places, 423 transitions, 2350 flow. Second operand 8 states and 1496 transitions. [2024-11-12 12:32:53,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 462 transitions, 2664 flow [2024-11-12 12:32:53,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 462 transitions, 2633 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-12 12:32:53,323 INFO L231 Difference]: Finished difference. Result has 238 places, 433 transitions, 2452 flow [2024-11-12 12:32:53,324 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=2341, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2452, PETRI_PLACES=238, PETRI_TRANSITIONS=433} [2024-11-12 12:32:53,326 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, 38 predicate places. [2024-11-12 12:32:53,326 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 433 transitions, 2452 flow [2024-11-12 12:32:53,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:32:53,327 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:32:53,327 INFO L206 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] [2024-11-12 12:32:53,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:32:53,328 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:32:53,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:32:53,328 INFO L85 PathProgramCache]: Analyzing trace with hash 2064841145, now seen corresponding path program 3 times [2024-11-12 12:32:53,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:32:53,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744280480] [2024-11-12 12:32:53,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:32:53,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:32:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:32:53,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:32:53,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:32:53,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744280480] [2024-11-12 12:32:53,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744280480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:32:53,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:32:53,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 12:32:53,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131372464] [2024-11-12 12:32:53,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:32:53,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 12:32:53,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:32:53,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 12:32:53,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-12 12:32:54,237 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-11-12 12:32:54,238 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 433 transitions, 2452 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:32:54,238 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:32:54,238 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-11-12 12:32:54,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:32:55,401 INFO L124 PetriNetUnfolderBase]: 2870/11873 cut-off events. [2024-11-12 12:32:55,401 INFO L125 PetriNetUnfolderBase]: For 13201/15033 co-relation queries the response was YES. [2024-11-12 12:32:55,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30692 conditions, 11873 events. 2870/11873 cut-off events. For 13201/15033 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 120262 event pairs, 112 based on Foata normal form. 184/11515 useless extension candidates. Maximal degree in co-relation 30619. Up to 2506 conditions per place. [2024-11-12 12:32:55,477 INFO L140 encePairwiseOnDemand]: 196/209 looper letters, 65 selfloop transitions, 23 changer transitions 0/481 dead transitions. [2024-11-12 12:32:55,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 481 transitions, 2934 flow [2024-11-12 12:32:55,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 12:32:55,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 12:32:55,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1501 transitions. [2024-11-12 12:32:55,480 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8977272727272727 [2024-11-12 12:32:55,480 INFO L175 Difference]: Start difference. First operand has 238 places, 433 transitions, 2452 flow. Second operand 8 states and 1501 transitions. [2024-11-12 12:32:55,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 481 transitions, 2934 flow [2024-11-12 12:32:55,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 481 transitions, 2889 flow, removed 2 selfloop flow, removed 3 redundant places. [2024-11-12 12:32:55,529 INFO L231 Difference]: Finished difference. Result has 246 places, 447 transitions, 2619 flow [2024-11-12 12:32:55,530 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=2435, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2619, PETRI_PLACES=246, PETRI_TRANSITIONS=447} [2024-11-12 12:32:55,530 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, 46 predicate places. [2024-11-12 12:32:55,530 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 447 transitions, 2619 flow [2024-11-12 12:32:55,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:32:55,531 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:32:55,532 INFO L206 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] [2024-11-12 12:32:55,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 12:32:55,532 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:32:55,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:32:55,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1841241191, now seen corresponding path program 4 times [2024-11-12 12:32:55,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:32:55,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751322666] [2024-11-12 12:32:55,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:32:55,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:32:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:32:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:32:55,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:32:55,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751322666] [2024-11-12 12:32:55,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751322666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:32:55,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:32:55,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 12:32:55,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227445988] [2024-11-12 12:32:55,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:32:55,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 12:32:55,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:32:55,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 12:32:55,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-12 12:32:56,160 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-11-12 12:32:56,161 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 447 transitions, 2619 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:32:56,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:32:56,161 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-11-12 12:32:56,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:32:57,518 INFO L124 PetriNetUnfolderBase]: 3565/14527 cut-off events. [2024-11-12 12:32:57,519 INFO L125 PetriNetUnfolderBase]: For 19022/21252 co-relation queries the response was YES. [2024-11-12 12:32:57,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38446 conditions, 14527 events. 3565/14527 cut-off events. For 19022/21252 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 153782 event pairs, 128 based on Foata normal form. 228/14121 useless extension candidates. Maximal degree in co-relation 38369. Up to 3015 conditions per place. [2024-11-12 12:32:57,607 INFO L140 encePairwiseOnDemand]: 196/209 looper letters, 80 selfloop transitions, 27 changer transitions 0/500 dead transitions. [2024-11-12 12:32:57,607 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 500 transitions, 3230 flow [2024-11-12 12:32:57,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 12:32:57,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 12:32:57,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1502 transitions. [2024-11-12 12:32:57,610 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8983253588516746 [2024-11-12 12:32:57,610 INFO L175 Difference]: Start difference. First operand has 246 places, 447 transitions, 2619 flow. Second operand 8 states and 1502 transitions. [2024-11-12 12:32:57,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 500 transitions, 3230 flow [2024-11-12 12:32:57,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 500 transitions, 3180 flow, removed 5 selfloop flow, removed 3 redundant places. [2024-11-12 12:32:57,686 INFO L231 Difference]: Finished difference. Result has 254 places, 460 transitions, 2791 flow [2024-11-12 12:32:57,687 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=2597, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2791, PETRI_PLACES=254, PETRI_TRANSITIONS=460} [2024-11-12 12:32:57,688 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, 54 predicate places. [2024-11-12 12:32:57,688 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 460 transitions, 2791 flow [2024-11-12 12:32:57,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:32:57,690 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:32:57,690 INFO L206 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] [2024-11-12 12:32:57,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 12:32:57,690 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:32:57,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:32:57,691 INFO L85 PathProgramCache]: Analyzing trace with hash 618469067, now seen corresponding path program 5 times [2024-11-12 12:32:57,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:32:57,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896385344] [2024-11-12 12:32:57,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:32:57,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:32:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:32:58,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:32:58,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:32:58,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896385344] [2024-11-12 12:32:58,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896385344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:32:58,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:32:58,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 12:32:58,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130865614] [2024-11-12 12:32:58,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:32:58,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 12:32:58,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:32:58,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 12:32:58,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 12:32:58,545 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-11-12 12:32:58,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 460 transitions, 2791 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:32:58,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:32:58,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-11-12 12:32:58,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:33:00,743 INFO L124 PetriNetUnfolderBase]: 4324/17689 cut-off events. [2024-11-12 12:33:00,743 INFO L125 PetriNetUnfolderBase]: For 28409/31095 co-relation queries the response was YES. [2024-11-12 12:33:00,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48631 conditions, 17689 events. 4324/17689 cut-off events. For 28409/31095 co-relation queries the response was YES. Maximal size of possible extension queue 396. Compared 197258 event pairs, 176 based on Foata normal form. 257/17182 useless extension candidates. Maximal degree in co-relation 48550. Up to 3697 conditions per place. [2024-11-12 12:33:00,836 INFO L140 encePairwiseOnDemand]: 196/209 looper letters, 91 selfloop transitions, 28 changer transitions 0/512 dead transitions. [2024-11-12 12:33:00,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 512 transitions, 3466 flow [2024-11-12 12:33:00,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 12:33:00,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 12:33:00,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1507 transitions. [2024-11-12 12:33:00,839 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9013157894736842 [2024-11-12 12:33:00,839 INFO L175 Difference]: Start difference. First operand has 254 places, 460 transitions, 2791 flow. Second operand 8 states and 1507 transitions. [2024-11-12 12:33:00,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 512 transitions, 3466 flow [2024-11-12 12:33:00,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 512 transitions, 3403 flow, removed 7 selfloop flow, removed 3 redundant places. [2024-11-12 12:33:00,927 INFO L231 Difference]: Finished difference. Result has 263 places, 478 transitions, 3038 flow [2024-11-12 12:33:00,928 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=2754, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=460, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3038, PETRI_PLACES=263, PETRI_TRANSITIONS=478} [2024-11-12 12:33:00,929 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, 63 predicate places. [2024-11-12 12:33:00,929 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 478 transitions, 3038 flow [2024-11-12 12:33:00,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:33:00,930 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:33:00,930 INFO L206 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] [2024-11-12 12:33:00,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 12:33:00,930 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:33:00,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:33:00,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1741101501, now seen corresponding path program 6 times [2024-11-12 12:33:00,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:33:00,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919484283] [2024-11-12 12:33:00,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:33:00,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:33:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:33:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:33:01,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:33:01,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919484283] [2024-11-12 12:33:01,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919484283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:33:01,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:33:01,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 12:33:01,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586338574] [2024-11-12 12:33:01,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:33:01,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 12:33:01,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:33:01,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 12:33:01,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 12:33:01,599 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-11-12 12:33:01,600 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 478 transitions, 3038 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:33:01,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:33:01,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-11-12 12:33:01,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:33:03,381 INFO L124 PetriNetUnfolderBase]: 4321/17877 cut-off events. [2024-11-12 12:33:03,381 INFO L125 PetriNetUnfolderBase]: For 32060/34809 co-relation queries the response was YES. [2024-11-12 12:33:03,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49207 conditions, 17877 events. 4321/17877 cut-off events. For 32060/34809 co-relation queries the response was YES. Maximal size of possible extension queue 395. Compared 200195 event pairs, 177 based on Foata normal form. 360/17460 useless extension candidates. Maximal degree in co-relation 49121. Up to 3797 conditions per place. [2024-11-12 12:33:03,508 INFO L140 encePairwiseOnDemand]: 196/209 looper letters, 96 selfloop transitions, 38 changer transitions 0/527 dead transitions. [2024-11-12 12:33:03,509 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 527 transitions, 3728 flow [2024-11-12 12:33:03,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 12:33:03,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 12:33:03,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1504 transitions. [2024-11-12 12:33:03,511 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8995215311004785 [2024-11-12 12:33:03,512 INFO L175 Difference]: Start difference. First operand has 263 places, 478 transitions, 3038 flow. Second operand 8 states and 1504 transitions. [2024-11-12 12:33:03,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 527 transitions, 3728 flow [2024-11-12 12:33:03,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 527 transitions, 3679 flow, removed 24 selfloop flow, removed 1 redundant places. [2024-11-12 12:33:03,619 INFO L231 Difference]: Finished difference. Result has 274 places, 491 transitions, 3279 flow [2024-11-12 12:33:03,620 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=2989, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3279, PETRI_PLACES=274, PETRI_TRANSITIONS=491} [2024-11-12 12:33:03,620 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, 74 predicate places. [2024-11-12 12:33:03,621 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 491 transitions, 3279 flow [2024-11-12 12:33:03,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:33:03,622 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:33:03,622 INFO L206 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] [2024-11-12 12:33:03,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 12:33:03,622 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:33:03,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:33:03,623 INFO L85 PathProgramCache]: Analyzing trace with hash -824567777, now seen corresponding path program 7 times [2024-11-12 12:33:03,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:33:03,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186977200] [2024-11-12 12:33:03,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:33:03,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:33:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:33:03,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:33:03,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:33:03,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186977200] [2024-11-12 12:33:03,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186977200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:33:03,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:33:03,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 12:33:03,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846190489] [2024-11-12 12:33:03,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:33:03,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 12:33:03,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:33:03,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 12:33:03,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 12:33:04,254 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-11-12 12:33:04,255 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 491 transitions, 3279 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:33:04,255 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:33:04,255 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-11-12 12:33:04,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:33:06,234 INFO L124 PetriNetUnfolderBase]: 4322/17811 cut-off events. [2024-11-12 12:33:06,234 INFO L125 PetriNetUnfolderBase]: For 36996/39616 co-relation queries the response was YES. [2024-11-12 12:33:06,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50209 conditions, 17811 events. 4322/17811 cut-off events. For 36996/39616 co-relation queries the response was YES. Maximal size of possible extension queue 395. Compared 198851 event pairs, 176 based on Foata normal form. 324/17371 useless extension candidates. Maximal degree in co-relation 50117. Up to 3722 conditions per place. [2024-11-12 12:33:06,347 INFO L140 encePairwiseOnDemand]: 196/209 looper letters, 103 selfloop transitions, 39 changer transitions 0/535 dead transitions. [2024-11-12 12:33:06,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 535 transitions, 3938 flow [2024-11-12 12:33:06,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 12:33:06,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 12:33:06,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1503 transitions. [2024-11-12 12:33:06,350 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8989234449760766 [2024-11-12 12:33:06,350 INFO L175 Difference]: Start difference. First operand has 274 places, 491 transitions, 3279 flow. Second operand 8 states and 1503 transitions. [2024-11-12 12:33:06,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 535 transitions, 3938 flow [2024-11-12 12:33:06,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 535 transitions, 3869 flow, removed 34 selfloop flow, removed 1 redundant places. [2024-11-12 12:33:06,457 INFO L231 Difference]: Finished difference. Result has 284 places, 501 transitions, 3451 flow [2024-11-12 12:33:06,458 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=3210, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=491, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3451, PETRI_PLACES=284, PETRI_TRANSITIONS=501} [2024-11-12 12:33:06,458 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, 84 predicate places. [2024-11-12 12:33:06,458 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 501 transitions, 3451 flow [2024-11-12 12:33:06,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:33:06,459 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:33:06,459 INFO L206 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] [2024-11-12 12:33:06,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 12:33:06,459 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:33:06,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:33:06,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1959137705, now seen corresponding path program 8 times [2024-11-12 12:33:06,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:33:06,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751415458] [2024-11-12 12:33:06,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:33:06,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:33:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:33:06,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:33:06,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:33:06,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751415458] [2024-11-12 12:33:06,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751415458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:33:06,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:33:06,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 12:33:06,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646772443] [2024-11-12 12:33:06,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:33:06,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 12:33:06,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:33:06,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 12:33:06,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 12:33:07,147 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-11-12 12:33:07,149 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 501 transitions, 3451 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:33:07,149 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:33:07,149 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-11-12 12:33:07,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:33:09,322 INFO L124 PetriNetUnfolderBase]: 4367/18224 cut-off events. [2024-11-12 12:33:09,322 INFO L125 PetriNetUnfolderBase]: For 44113/46864 co-relation queries the response was YES. [2024-11-12 12:33:09,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52548 conditions, 18224 events. 4367/18224 cut-off events. For 44113/46864 co-relation queries the response was YES. Maximal size of possible extension queue 402. Compared 204931 event pairs, 173 based on Foata normal form. 249/17686 useless extension candidates. Maximal degree in co-relation 52451. Up to 3797 conditions per place. [2024-11-12 12:33:09,449 INFO L140 encePairwiseOnDemand]: 195/209 looper letters, 105 selfloop transitions, 41 changer transitions 0/539 dead transitions. [2024-11-12 12:33:09,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 539 transitions, 4150 flow [2024-11-12 12:33:09,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 12:33:09,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 12:33:09,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1509 transitions. [2024-11-12 12:33:09,452 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.902511961722488 [2024-11-12 12:33:09,452 INFO L175 Difference]: Start difference. First operand has 284 places, 501 transitions, 3451 flow. Second operand 8 states and 1509 transitions. [2024-11-12 12:33:09,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 539 transitions, 4150 flow [2024-11-12 12:33:09,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 539 transitions, 4073 flow, removed 24 selfloop flow, removed 3 redundant places. [2024-11-12 12:33:09,835 INFO L231 Difference]: Finished difference. Result has 291 places, 517 transitions, 3742 flow [2024-11-12 12:33:09,835 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=3396, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=501, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3742, PETRI_PLACES=291, PETRI_TRANSITIONS=517} [2024-11-12 12:33:09,836 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, 91 predicate places. [2024-11-12 12:33:09,836 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 517 transitions, 3742 flow [2024-11-12 12:33:09,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:33:09,837 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:33:09,837 INFO L206 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] [2024-11-12 12:33:09,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 12:33:09,837 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:33:09,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:33:09,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1081149943, now seen corresponding path program 9 times [2024-11-12 12:33:09,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:33:09,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284957908] [2024-11-12 12:33:09,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:33:09,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:33:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:33:10,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:33:10,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:33:10,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284957908] [2024-11-12 12:33:10,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284957908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:33:10,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:33:10,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 12:33:10,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667359430] [2024-11-12 12:33:10,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:33:10,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 12:33:10,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:33:10,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 12:33:10,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 12:33:10,465 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-11-12 12:33:10,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 517 transitions, 3742 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:33:10,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:33:10,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-11-12 12:33:10,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:33:12,683 INFO L124 PetriNetUnfolderBase]: 3696/15904 cut-off events. [2024-11-12 12:33:12,683 INFO L125 PetriNetUnfolderBase]: For 40462/42817 co-relation queries the response was YES. [2024-11-12 12:33:12,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45799 conditions, 15904 events. 3696/15904 cut-off events. For 40462/42817 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 173182 event pairs, 141 based on Foata normal form. 214/15416 useless extension candidates. Maximal degree in co-relation 45699. Up to 3293 conditions per place. [2024-11-12 12:33:12,786 INFO L140 encePairwiseOnDemand]: 195/209 looper letters, 107 selfloop transitions, 51 changer transitions 0/551 dead transitions. [2024-11-12 12:33:12,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 551 transitions, 4420 flow [2024-11-12 12:33:12,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 12:33:12,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 12:33:12,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1505 transitions. [2024-11-12 12:33:12,789 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9001196172248804 [2024-11-12 12:33:12,789 INFO L175 Difference]: Start difference. First operand has 291 places, 517 transitions, 3742 flow. Second operand 8 states and 1505 transitions. [2024-11-12 12:33:12,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 551 transitions, 4420 flow [2024-11-12 12:33:12,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 551 transitions, 4341 flow, removed 14 selfloop flow, removed 4 redundant places. [2024-11-12 12:33:12,914 INFO L231 Difference]: Finished difference. Result has 297 places, 530 transitions, 4030 flow [2024-11-12 12:33:12,914 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=3626, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=514, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=471, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4030, PETRI_PLACES=297, PETRI_TRANSITIONS=530} [2024-11-12 12:33:12,915 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, 97 predicate places. [2024-11-12 12:33:12,915 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 530 transitions, 4030 flow [2024-11-12 12:33:12,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:33:12,915 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:33:12,915 INFO L206 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] [2024-11-12 12:33:12,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 12:33:12,916 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:33:12,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:33:12,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1378700735, now seen corresponding path program 10 times [2024-11-12 12:33:12,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:33:12,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145885521] [2024-11-12 12:33:12,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:33:12,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:33:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:33:13,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:33:13,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:33:13,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145885521] [2024-11-12 12:33:13,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145885521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:33:13,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:33:13,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 12:33:13,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042728701] [2024-11-12 12:33:13,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:33:13,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 12:33:13,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:33:13,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 12:33:13,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-12 12:33:13,728 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-11-12 12:33:13,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 530 transitions, 4030 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:33:13,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:33:13,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-11-12 12:33:13,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:33:15,728 INFO L124 PetriNetUnfolderBase]: 3098/13963 cut-off events. [2024-11-12 12:33:15,728 INFO L125 PetriNetUnfolderBase]: For 39408/41721 co-relation queries the response was YES. [2024-11-12 12:33:15,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40461 conditions, 13963 events. 3098/13963 cut-off events. For 39408/41721 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 148142 event pairs, 118 based on Foata normal form. 270/13623 useless extension candidates. Maximal degree in co-relation 40358. Up to 2853 conditions per place. [2024-11-12 12:33:15,815 INFO L140 encePairwiseOnDemand]: 195/209 looper letters, 118 selfloop transitions, 59 changer transitions 0/570 dead transitions. [2024-11-12 12:33:15,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 570 transitions, 4810 flow [2024-11-12 12:33:15,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 12:33:15,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 12:33:15,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1501 transitions. [2024-11-12 12:33:15,818 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8977272727272727 [2024-11-12 12:33:15,818 INFO L175 Difference]: Start difference. First operand has 297 places, 530 transitions, 4030 flow. Second operand 8 states and 1501 transitions. [2024-11-12 12:33:15,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 570 transitions, 4810 flow [2024-11-12 12:33:15,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 570 transitions, 4687 flow, removed 29 selfloop flow, removed 4 redundant places. [2024-11-12 12:33:15,915 INFO L231 Difference]: Finished difference. Result has 303 places, 543 transitions, 4280 flow [2024-11-12 12:33:15,915 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=3872, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4280, PETRI_PLACES=303, PETRI_TRANSITIONS=543} [2024-11-12 12:33:15,915 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, 103 predicate places. [2024-11-12 12:33:15,916 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 543 transitions, 4280 flow [2024-11-12 12:33:15,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:33:15,916 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:33:15,916 INFO L206 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] [2024-11-12 12:33:15,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 12:33:15,917 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:33:15,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:33:15,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1214011035, now seen corresponding path program 11 times [2024-11-12 12:33:15,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:33:15,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098395202] [2024-11-12 12:33:15,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:33:15,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:33:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:33:16,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:33:16,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:33:16,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098395202] [2024-11-12 12:33:16,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098395202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:33:16,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:33:16,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 12:33:16,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841461630] [2024-11-12 12:33:16,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:33:16,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 12:33:16,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:33:16,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 12:33:16,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 12:33:16,677 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-11-12 12:33:16,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 543 transitions, 4280 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:33:16,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:33:16,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-11-12 12:33:16,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:33:18,776 INFO L124 PetriNetUnfolderBase]: 3122/14118 cut-off events. [2024-11-12 12:33:18,776 INFO L125 PetriNetUnfolderBase]: For 46831/49233 co-relation queries the response was YES. [2024-11-12 12:33:18,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41579 conditions, 14118 events. 3122/14118 cut-off events. For 46831/49233 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 150102 event pairs, 111 based on Foata normal form. 253/13760 useless extension candidates. Maximal degree in co-relation 41473. Up to 2828 conditions per place. [2024-11-12 12:33:18,860 INFO L140 encePairwiseOnDemand]: 196/209 looper letters, 148 selfloop transitions, 34 changer transitions 0/575 dead transitions. [2024-11-12 12:33:18,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 575 transitions, 4949 flow [2024-11-12 12:33:18,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 12:33:18,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 12:33:18,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1507 transitions. [2024-11-12 12:33:18,862 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9013157894736842 [2024-11-12 12:33:18,862 INFO L175 Difference]: Start difference. First operand has 303 places, 543 transitions, 4280 flow. Second operand 8 states and 1507 transitions. [2024-11-12 12:33:18,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 575 transitions, 4949 flow [2024-11-12 12:33:18,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 575 transitions, 4857 flow, removed 23 selfloop flow, removed 3 redundant places. [2024-11-12 12:33:18,989 INFO L231 Difference]: Finished difference. Result has 311 places, 553 transitions, 4440 flow [2024-11-12 12:33:18,989 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=4196, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=512, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4440, PETRI_PLACES=311, PETRI_TRANSITIONS=553} [2024-11-12 12:33:18,989 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, 111 predicate places. [2024-11-12 12:33:18,990 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 553 transitions, 4440 flow [2024-11-12 12:33:18,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:33:18,990 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:33:18,990 INFO L206 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] [2024-11-12 12:33:18,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 12:33:18,990 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:33:18,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:33:18,991 INFO L85 PathProgramCache]: Analyzing trace with hash 662606125, now seen corresponding path program 12 times [2024-11-12 12:33:18,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:33:18,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139729155] [2024-11-12 12:33:18,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:33:18,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:33:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:33:19,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:33:19,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:33:19,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139729155] [2024-11-12 12:33:19,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139729155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:33:19,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:33:19,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 12:33:19,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930485787] [2024-11-12 12:33:19,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:33:19,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 12:33:19,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:33:19,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 12:33:19,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 12:33:19,642 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-11-12 12:33:19,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 553 transitions, 4440 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:33:19,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:33:19,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-11-12 12:33:19,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:33:21,847 INFO L124 PetriNetUnfolderBase]: 3152/14485 cut-off events. [2024-11-12 12:33:21,847 INFO L125 PetriNetUnfolderBase]: For 45727/48139 co-relation queries the response was YES. [2024-11-12 12:33:21,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42603 conditions, 14485 events. 3152/14485 cut-off events. For 45727/48139 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 155457 event pairs, 117 based on Foata normal form. 222/14076 useless extension candidates. Maximal degree in co-relation 42493. Up to 2903 conditions per place. [2024-11-12 12:33:21,964 INFO L140 encePairwiseOnDemand]: 195/209 looper letters, 151 selfloop transitions, 45 changer transitions 0/589 dead transitions. [2024-11-12 12:33:21,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 589 transitions, 5228 flow [2024-11-12 12:33:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 12:33:21,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 12:33:21,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1506 transitions. [2024-11-12 12:33:21,966 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9007177033492823 [2024-11-12 12:33:21,966 INFO L175 Difference]: Start difference. First operand has 311 places, 553 transitions, 4440 flow. Second operand 8 states and 1506 transitions. [2024-11-12 12:33:21,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 589 transitions, 5228 flow [2024-11-12 12:33:22,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 589 transitions, 5099 flow, removed 48 selfloop flow, removed 3 redundant places. [2024-11-12 12:33:22,131 INFO L231 Difference]: Finished difference. Result has 318 places, 569 transitions, 4711 flow [2024-11-12 12:33:22,131 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=4355, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4711, PETRI_PLACES=318, PETRI_TRANSITIONS=569} [2024-11-12 12:33:22,132 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, 118 predicate places. [2024-11-12 12:33:22,132 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 569 transitions, 4711 flow [2024-11-12 12:33:22,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:33:22,133 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:33:22,133 INFO L206 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] [2024-11-12 12:33:22,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 12:33:22,133 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:33:22,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:33:22,134 INFO L85 PathProgramCache]: Analyzing trace with hash 438507949, now seen corresponding path program 13 times [2024-11-12 12:33:22,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:33:22,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604184091] [2024-11-12 12:33:22,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:33:22,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:33:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:33:22,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:33:22,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:33:22,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604184091] [2024-11-12 12:33:22,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604184091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:33:22,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:33:22,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 12:33:22,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906886405] [2024-11-12 12:33:22,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:33:22,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 12:33:22,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:33:22,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 12:33:22,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 12:33:22,862 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-11-12 12:33:22,863 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 569 transitions, 4711 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:33:22,863 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:33:22,863 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-11-12 12:33:22,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:33:24,471 INFO L124 PetriNetUnfolderBase]: 2496/12225 cut-off events. [2024-11-12 12:33:24,472 INFO L125 PetriNetUnfolderBase]: For 38774/40812 co-relation queries the response was YES. [2024-11-12 12:33:24,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35627 conditions, 12225 events. 2496/12225 cut-off events. For 38774/40812 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 127548 event pairs, 96 based on Foata normal form. 171/11847 useless extension candidates. Maximal degree in co-relation 35514. Up to 2422 conditions per place. [2024-11-12 12:33:24,569 INFO L140 encePairwiseOnDemand]: 195/209 looper letters, 147 selfloop transitions, 51 changer transitions 0/591 dead transitions. [2024-11-12 12:33:24,570 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 591 transitions, 5355 flow [2024-11-12 12:33:24,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 12:33:24,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 12:33:24,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1509 transitions. [2024-11-12 12:33:24,571 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.902511961722488 [2024-11-12 12:33:24,571 INFO L175 Difference]: Start difference. First operand has 318 places, 569 transitions, 4711 flow. Second operand 8 states and 1509 transitions. [2024-11-12 12:33:24,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 591 transitions, 5355 flow [2024-11-12 12:33:24,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 591 transitions, 5282 flow, removed 8 selfloop flow, removed 4 redundant places. [2024-11-12 12:33:24,686 INFO L231 Difference]: Finished difference. Result has 324 places, 582 transitions, 5012 flow [2024-11-12 12:33:24,686 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=4599, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=566, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5012, PETRI_PLACES=324, PETRI_TRANSITIONS=582} [2024-11-12 12:33:24,687 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, 124 predicate places. [2024-11-12 12:33:24,687 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 582 transitions, 5012 flow [2024-11-12 12:33:24,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:33:24,688 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:33:24,688 INFO L206 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] [2024-11-12 12:33:24,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-12 12:33:24,688 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:33:24,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:33:24,688 INFO L85 PathProgramCache]: Analyzing trace with hash -87831373, now seen corresponding path program 14 times [2024-11-12 12:33:24,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:33:24,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903086347] [2024-11-12 12:33:24,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:33:24,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:33:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:33:25,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:33:25,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:33:25,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903086347] [2024-11-12 12:33:25,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903086347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:33:25,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:33:25,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 12:33:25,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238835835] [2024-11-12 12:33:25,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:33:25,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 12:33:25,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:33:25,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 12:33:25,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-12 12:33:25,355 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-11-12 12:33:25,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 582 transitions, 5012 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:33:25,356 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:33:25,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-11-12 12:33:25,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:33:25,988 INFO L124 PetriNetUnfolderBase]: 355/3866 cut-off events. [2024-11-12 12:33:25,988 INFO L125 PetriNetUnfolderBase]: For 13649/13827 co-relation queries the response was YES. [2024-11-12 12:33:26,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10724 conditions, 3866 events. 355/3866 cut-off events. For 13649/13827 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 35999 event pairs, 14 based on Foata normal form. 62/3753 useless extension candidates. Maximal degree in co-relation 10608. Up to 738 conditions per place. [2024-11-12 12:33:26,019 INFO L140 encePairwiseOnDemand]: 195/209 looper letters, 111 selfloop transitions, 88 changer transitions 0/373 dead transitions. [2024-11-12 12:33:26,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 373 transitions, 3878 flow [2024-11-12 12:33:26,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 12:33:26,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 12:33:26,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1500 transitions. [2024-11-12 12:33:26,021 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8971291866028708 [2024-11-12 12:33:26,021 INFO L175 Difference]: Start difference. First operand has 324 places, 582 transitions, 5012 flow. Second operand 8 states and 1500 transitions. [2024-11-12 12:33:26,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 373 transitions, 3878 flow [2024-11-12 12:33:26,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 373 transitions, 3435 flow, removed 96 selfloop flow, removed 18 redundant places. [2024-11-12 12:33:26,069 INFO L231 Difference]: Finished difference. Result has 308 places, 370 transitions, 3264 flow [2024-11-12 12:33:26,069 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=2840, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3264, PETRI_PLACES=308, PETRI_TRANSITIONS=370} [2024-11-12 12:33:26,070 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, 108 predicate places. [2024-11-12 12:33:26,070 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 370 transitions, 3264 flow [2024-11-12 12:33:26,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2024-11-12 12:33:26,070 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:33:26,071 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:33:26,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-12 12:33:26,071 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:33:26,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:33:26,072 INFO L85 PathProgramCache]: Analyzing trace with hash 262692781, now seen corresponding path program 1 times [2024-11-12 12:33:26,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:33:26,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174527746] [2024-11-12 12:33:26,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:33:26,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:33:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:33:26,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:33:26,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:33:26,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174527746] [2024-11-12 12:33:26,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174527746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:33:26,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:33:26,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 12:33:26,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156331061] [2024-11-12 12:33:26,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:33:26,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 12:33:26,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:33:26,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 12:33:26,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-12 12:33:26,609 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 209 [2024-11-12 12:33:26,610 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 370 transitions, 3264 flow. Second operand has 9 states, 9 states have (on average 176.0) internal successors, (1584), 9 states have internal predecessors, (1584), 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) [2024-11-12 12:33:26,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:33:26,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 209 [2024-11-12 12:33:26,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:33:27,119 INFO L124 PetriNetUnfolderBase]: 417/4637 cut-off events. [2024-11-12 12:33:27,119 INFO L125 PetriNetUnfolderBase]: For 14390/14537 co-relation queries the response was YES. [2024-11-12 12:33:27,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10641 conditions, 4637 events. 417/4637 cut-off events. For 14390/14537 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 41255 event pairs, 11 based on Foata normal form. 113/4568 useless extension candidates. Maximal degree in co-relation 10522. Up to 567 conditions per place. [2024-11-12 12:33:27,152 INFO L140 encePairwiseOnDemand]: 198/209 looper letters, 167 selfloop transitions, 24 changer transitions 0/425 dead transitions. [2024-11-12 12:33:27,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 425 transitions, 4352 flow [2024-11-12 12:33:27,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 12:33:27,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 12:33:27,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1433 transitions. [2024-11-12 12:33:27,154 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8570574162679426 [2024-11-12 12:33:27,154 INFO L175 Difference]: Start difference. First operand has 308 places, 370 transitions, 3264 flow. Second operand 8 states and 1433 transitions. [2024-11-12 12:33:27,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 425 transitions, 4352 flow [2024-11-12 12:33:27,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 425 transitions, 4189 flow, removed 27 selfloop flow, removed 5 redundant places. [2024-11-12 12:33:27,194 INFO L231 Difference]: Finished difference. Result has 314 places, 389 transitions, 3497 flow [2024-11-12 12:33:27,194 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=3121, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3497, PETRI_PLACES=314, PETRI_TRANSITIONS=389} [2024-11-12 12:33:27,195 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, 114 predicate places. [2024-11-12 12:33:27,195 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 389 transitions, 3497 flow [2024-11-12 12:33:27,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 176.0) internal successors, (1584), 9 states have internal predecessors, (1584), 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) [2024-11-12 12:33:27,196 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:33:27,196 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:33:27,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-12 12:33:27,196 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-12 12:33:27,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:33:27,197 INFO L85 PathProgramCache]: Analyzing trace with hash 796513834, now seen corresponding path program 1 times [2024-11-12 12:33:27,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:33:27,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855476256] [2024-11-12 12:33:27,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:33:27,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:33:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:33:27,469 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-12 12:33:27,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:33:27,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855476256] [2024-11-12 12:33:27,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855476256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:33:27,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:33:27,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:33:27,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237974144] [2024-11-12 12:33:27,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:33:27,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:33:27,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:33:27,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:33:27,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:33:27,617 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 209 [2024-11-12 12:33:27,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 389 transitions, 3497 flow. Second operand has 6 states, 6 states have (on average 149.0) internal successors, (894), 6 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:33:27,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:33:27,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 209 [2024-11-12 12:33:27,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:33:28,264 INFO L124 PetriNetUnfolderBase]: 705/5112 cut-off events. [2024-11-12 12:33:28,264 INFO L125 PetriNetUnfolderBase]: For 23436/24023 co-relation queries the response was YES. [2024-11-12 12:33:28,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14681 conditions, 5112 events. 705/5112 cut-off events. For 23436/24023 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 44608 event pairs, 157 based on Foata normal form. 550/5495 useless extension candidates. Maximal degree in co-relation 14557. Up to 2314 conditions per place. [2024-11-12 12:33:28,296 INFO L140 encePairwiseOnDemand]: 203/209 looper letters, 0 selfloop transitions, 0 changer transitions 388/388 dead transitions. [2024-11-12 12:33:28,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 388 transitions, 3843 flow [2024-11-12 12:33:28,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:33:28,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:33:28,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 904 transitions. [2024-11-12 12:33:28,297 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7208931419457735 [2024-11-12 12:33:28,297 INFO L175 Difference]: Start difference. First operand has 314 places, 389 transitions, 3497 flow. Second operand 6 states and 904 transitions. [2024-11-12 12:33:28,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 388 transitions, 3843 flow [2024-11-12 12:33:28,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 388 transitions, 3837 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:33:28,340 INFO L231 Difference]: Finished difference. Result has 316 places, 0 transitions, 0 flow [2024-11-12 12:33:28,340 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=3489, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=316, PETRI_TRANSITIONS=0} [2024-11-12 12:33:28,341 INFO L279 CegarLoopForPetriNet]: 200 programPoint places, 116 predicate places. [2024-11-12 12:33:28,341 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 0 transitions, 0 flow [2024-11-12 12:33:28,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 149.0) internal successors, (894), 6 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:33:28,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 17 remaining) [2024-11-12 12:33:28,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2024-11-12 12:33:28,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2024-11-12 12:33:28,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2024-11-12 12:33:28,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 17 remaining) [2024-11-12 12:33:28,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2024-11-12 12:33:28,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2024-11-12 12:33:28,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2024-11-12 12:33:28,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2024-11-12 12:33:28,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2024-11-12 12:33:28,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2024-11-12 12:33:28,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2024-11-12 12:33:28,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2024-11-12 12:33:28,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2024-11-12 12:33:28,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2024-11-12 12:33:28,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2024-11-12 12:33:28,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2024-11-12 12:33:28,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-12 12:33:28,346 INFO L421 BasicCegarLoop]: Path program histogram: [14, 1, 1, 1, 1, 1, 1] [2024-11-12 12:33:28,350 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 12:33:28,350 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 12:33:28,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:33:28 BasicIcfg [2024-11-12 12:33:28,354 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 12:33:28,354 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 12:33:28,354 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 12:33:28,354 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 12:33:28,355 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:32:44" (3/4) ... [2024-11-12 12:33:28,356 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 12:33:28,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure worker [2024-11-12 12:33:28,361 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-12 12:33:28,361 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-12 12:33:28,361 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 12:33:28,361 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 12:33:28,440 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 12:33:28,440 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 12:33:28,440 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 12:33:28,441 INFO L158 Benchmark]: Toolchain (without parser) took 45006.83ms. Allocated memory was 190.8MB in the beginning and 10.7GB in the end (delta: 10.5GB). Free memory was 134.9MB in the beginning and 8.9GB in the end (delta: -8.7GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-12 12:33:28,441 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:33:28,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.34ms. Allocated memory is still 190.8MB. Free memory was 134.4MB in the beginning and 111.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-12 12:33:28,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.78ms. Allocated memory is still 190.8MB. Free memory was 111.3MB in the beginning and 161.5MB in the end (delta: -50.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-12 12:33:28,442 INFO L158 Benchmark]: Boogie Preprocessor took 33.75ms. Allocated memory is still 190.8MB. Free memory was 160.9MB in the beginning and 158.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 12:33:28,442 INFO L158 Benchmark]: RCFGBuilder took 455.04ms. Allocated memory is still 190.8MB. Free memory was 158.8MB in the beginning and 133.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-12 12:33:28,442 INFO L158 Benchmark]: TraceAbstraction took 43956.40ms. Allocated memory was 190.8MB in the beginning and 10.7GB in the end (delta: 10.5GB). Free memory was 132.6MB in the beginning and 8.9GB in the end (delta: -8.7GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-12 12:33:28,442 INFO L158 Benchmark]: Witness Printer took 86.28ms. Allocated memory is still 10.7GB. Free memory was 8.9GB in the beginning and 8.9GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 12:33:28,444 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.34ms. Allocated memory is still 190.8MB. Free memory was 134.4MB in the beginning and 111.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.78ms. Allocated memory is still 190.8MB. Free memory was 111.3MB in the beginning and 161.5MB in the end (delta: -50.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.75ms. Allocated memory is still 190.8MB. Free memory was 160.9MB in the beginning and 158.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 455.04ms. Allocated memory is still 190.8MB. Free memory was 158.8MB in the beginning and 133.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 43956.40ms. Allocated memory was 190.8MB in the beginning and 10.7GB in the end (delta: 10.5GB). Free memory was 132.6MB in the beginning and 8.9GB in the end (delta: -8.7GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 86.28ms. Allocated memory is still 10.7GB. Free memory was 8.9GB in the beginning and 8.9GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 726]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: 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 3 procedures, 299 locations, 17 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: 43.8s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 14, EmptinessCheckTime: 0.0s, AutomataDifference: 37.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9685 SdHoareTripleChecker+Valid, 8.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7488 mSDsluCounter, 9232 SdHoareTripleChecker+Invalid, 7.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8564 mSDsCounter, 294 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18440 IncrementalHoareTripleChecker+Invalid, 18734 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 294 mSolverCounterUnsat, 668 mSDtfsCounter, 18440 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5012occurred in iteration=17, InterpolantAutomatonStates: 150, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 1650 NumberOfCodeBlocks, 1650 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1630 ConstructedInterpolants, 0 QuantifiedInterpolants, 6193 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 3/3 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-12 12:33:28,467 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