./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/queue_ok.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc 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/pthread/queue_ok.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 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:27:11,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:27:12,033 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:27:12,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:27:12,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:27:12,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:27:12,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:27:12,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:27:12,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:27:12,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:27:12,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:27:12,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:27:12,083 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:27:12,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:27:12,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:27:12,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:27:12,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:27:12,086 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:27:12,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:27:12,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:27:12,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:27:12,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:27:12,088 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:27:12,088 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:27:12,088 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:27:12,088 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:27:12,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:27:12,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:27:12,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:27:12,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:27:12,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:27:12,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:27:12,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:27:12,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:27:12,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:27:12,092 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:27:12,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:27:12,093 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:27:12,094 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:27:12,094 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:27:12,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:27:12,094 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 [2024-11-19 05:27:12,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:27:12,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:27:12,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:27:12,424 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:27:12,424 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:27:12,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/queue_ok.i [2024-11-19 05:27:13,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:27:14,162 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:27:14,163 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/queue_ok.i [2024-11-19 05:27:14,181 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc2399073/f43ff5eb5af04a7881d8e2bfcdc0f3f5/FLAGfd2aa493a [2024-11-19 05:27:14,457 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc2399073/f43ff5eb5af04a7881d8e2bfcdc0f3f5 [2024-11-19 05:27:14,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:27:14,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:27:14,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:27:14,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:27:14,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:27:14,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:27:14" (1/1) ... [2024-11-19 05:27:14,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2010886e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:14, skipping insertion in model container [2024-11-19 05:27:14,468 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:27:14" (1/1) ... [2024-11-19 05:27:14,513 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:27:14,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:27:14,987 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:27:15,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:27:15,166 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:27:15,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15 WrapperNode [2024-11-19 05:27:15,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:27:15,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:27:15,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:27:15,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:27:15,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,263 INFO L138 Inliner]: procedures = 274, calls = 94, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 415 [2024-11-19 05:27:15,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:27:15,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:27:15,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:27:15,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:27:15,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,285 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:27:15,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:27:15,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:27:15,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:27:15,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:27:15,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:27:15,391 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) [2024-11-19 05:27:15,395 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 [2024-11-19 05:27:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-19 05:27:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-19 05:27:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-19 05:27:15,441 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-19 05:27:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 05:27:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:27:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:27:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 05:27:15,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:27:15,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:27:15,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:27:15,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:27:15,444 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:27:15,571 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:27:15,573 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:27:16,332 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:27:16,332 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:27:16,370 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:27:16,371 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 05:27:16,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:27:16 BoogieIcfgContainer [2024-11-19 05:27:16,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:27:16,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:27:16,374 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:27:16,378 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:27:16,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:27:14" (1/3) ... [2024-11-19 05:27:16,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd0f60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:27:16, skipping insertion in model container [2024-11-19 05:27:16,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (2/3) ... [2024-11-19 05:27:16,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd0f60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:27:16, skipping insertion in model container [2024-11-19 05:27:16,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:27:16" (3/3) ... [2024-11-19 05:27:16,381 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok.i [2024-11-19 05:27:16,397 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:27:16,398 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2024-11-19 05:27:16,398 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:27:16,584 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-19 05:27:16,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 466 places, 474 transitions, 962 flow [2024-11-19 05:27:16,846 INFO L124 PetriNetUnfolderBase]: 15/472 cut-off events. [2024-11-19 05:27:16,846 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 05:27:16,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 481 conditions, 472 events. 15/472 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 714 event pairs, 0 based on Foata normal form. 0/424 useless extension candidates. Maximal degree in co-relation 311. Up to 3 conditions per place. [2024-11-19 05:27:16,859 INFO L82 GeneralOperation]: Start removeDead. Operand has 466 places, 474 transitions, 962 flow [2024-11-19 05:27:16,868 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 459 places, 467 transitions, 943 flow [2024-11-19 05:27:16,882 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:27:16,891 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;@20e98973, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:27:16,892 INFO L334 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2024-11-19 05:27:16,906 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:27:16,907 INFO L124 PetriNetUnfolderBase]: 0/69 cut-off events. [2024-11-19 05:27:16,908 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:27:16,908 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:16,909 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:16,909 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:16,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:16,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1669057084, now seen corresponding path program 1 times [2024-11-19 05:27:16,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:16,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342071841] [2024-11-19 05:27:16,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:16,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:17,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:17,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:17,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342071841] [2024-11-19 05:27:17,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342071841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:17,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:17,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:17,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105466754] [2024-11-19 05:27:17,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:17,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:17,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:17,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:17,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:17,394 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 447 out of 474 [2024-11-19 05:27:17,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 467 transitions, 943 flow. Second operand has 3 states, 3 states have (on average 448.3333333333333) internal successors, (1345), 3 states have internal predecessors, (1345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:17,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:17,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 447 of 474 [2024-11-19 05:27:17,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:17,631 INFO L124 PetriNetUnfolderBase]: 40/986 cut-off events. [2024-11-19 05:27:17,632 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-19 05:27:17,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1059 conditions, 986 events. 40/986 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4379 event pairs, 19 based on Foata normal form. 13/891 useless extension candidates. Maximal degree in co-relation 881. Up to 52 conditions per place. [2024-11-19 05:27:17,648 INFO L140 encePairwiseOnDemand]: 466/474 looper letters, 13 selfloop transitions, 2 changer transitions 0/452 dead transitions. [2024-11-19 05:27:17,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 452 transitions, 943 flow [2024-11-19 05:27:17,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:17,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:17,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1362 transitions. [2024-11-19 05:27:17,670 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9578059071729957 [2024-11-19 05:27:17,673 INFO L175 Difference]: Start difference. First operand has 459 places, 467 transitions, 943 flow. Second operand 3 states and 1362 transitions. [2024-11-19 05:27:17,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 452 transitions, 943 flow [2024-11-19 05:27:17,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 452 transitions, 938 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 05:27:17,693 INFO L231 Difference]: Finished difference. Result has 449 places, 452 transitions, 912 flow [2024-11-19 05:27:17,696 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=908, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=912, PETRI_PLACES=449, PETRI_TRANSITIONS=452} [2024-11-19 05:27:17,700 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -10 predicate places. [2024-11-19 05:27:17,700 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 452 transitions, 912 flow [2024-11-19 05:27:17,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 448.3333333333333) internal successors, (1345), 3 states have internal predecessors, (1345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:17,702 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:17,703 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:17,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:27:17,704 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:17,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:17,706 INFO L85 PathProgramCache]: Analyzing trace with hash 2112843891, now seen corresponding path program 1 times [2024-11-19 05:27:17,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:17,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359418944] [2024-11-19 05:27:17,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:17,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:17,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:17,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:17,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359418944] [2024-11-19 05:27:17,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359418944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:17,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:17,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:17,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271659248] [2024-11-19 05:27:17,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:17,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:17,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:17,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:17,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:17,849 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 447 out of 474 [2024-11-19 05:27:17,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 452 transitions, 912 flow. Second operand has 3 states, 3 states have (on average 448.3333333333333) internal successors, (1345), 3 states have internal predecessors, (1345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:17,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:17,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 447 of 474 [2024-11-19 05:27:17,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:18,107 INFO L124 PetriNetUnfolderBase]: 43/1114 cut-off events. [2024-11-19 05:27:18,108 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-19 05:27:18,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1181 conditions, 1114 events. 43/1114 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 5439 event pairs, 19 based on Foata normal form. 0/996 useless extension candidates. Maximal degree in co-relation 1104. Up to 52 conditions per place. [2024-11-19 05:27:18,119 INFO L140 encePairwiseOnDemand]: 471/474 looper letters, 13 selfloop transitions, 2 changer transitions 0/451 dead transitions. [2024-11-19 05:27:18,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 451 transitions, 940 flow [2024-11-19 05:27:18,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:18,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:18,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1357 transitions. [2024-11-19 05:27:18,123 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9542897327707455 [2024-11-19 05:27:18,123 INFO L175 Difference]: Start difference. First operand has 449 places, 452 transitions, 912 flow. Second operand 3 states and 1357 transitions. [2024-11-19 05:27:18,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 451 transitions, 940 flow [2024-11-19 05:27:18,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 451 transitions, 936 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:27:18,132 INFO L231 Difference]: Finished difference. Result has 448 places, 451 transitions, 910 flow [2024-11-19 05:27:18,133 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=906, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=910, PETRI_PLACES=448, PETRI_TRANSITIONS=451} [2024-11-19 05:27:18,135 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -11 predicate places. [2024-11-19 05:27:18,136 INFO L471 AbstractCegarLoop]: Abstraction has has 448 places, 451 transitions, 910 flow [2024-11-19 05:27:18,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 448.3333333333333) internal successors, (1345), 3 states have internal predecessors, (1345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:18,137 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:18,137 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:18,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:27:18,137 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:18,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:18,138 INFO L85 PathProgramCache]: Analyzing trace with hash -83855274, now seen corresponding path program 1 times [2024-11-19 05:27:18,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:18,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045592209] [2024-11-19 05:27:18,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:18,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:18,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:18,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:18,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045592209] [2024-11-19 05:27:18,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045592209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:18,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:18,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:18,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147214923] [2024-11-19 05:27:18,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:18,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:18,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:18,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:18,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:19,265 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 358 out of 474 [2024-11-19 05:27:19,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 451 transitions, 910 flow. Second operand has 6 states, 6 states have (on average 359.3333333333333) internal successors, (2156), 6 states have internal predecessors, (2156), 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) [2024-11-19 05:27:19,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:19,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 358 of 474 [2024-11-19 05:27:19,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:21,006 INFO L124 PetriNetUnfolderBase]: 2177/9184 cut-off events. [2024-11-19 05:27:21,006 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2024-11-19 05:27:21,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13285 conditions, 9184 events. 2177/9184 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 79864 event pairs, 1832 based on Foata normal form. 0/8228 useless extension candidates. Maximal degree in co-relation 13204. Up to 4013 conditions per place. [2024-11-19 05:27:21,075 INFO L140 encePairwiseOnDemand]: 468/474 looper letters, 100 selfloop transitions, 5 changer transitions 0/450 dead transitions. [2024-11-19 05:27:21,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 450 transitions, 1118 flow [2024-11-19 05:27:21,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:27:21,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:27:21,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2254 transitions. [2024-11-19 05:27:21,084 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7925457102672293 [2024-11-19 05:27:21,085 INFO L175 Difference]: Start difference. First operand has 448 places, 451 transitions, 910 flow. Second operand 6 states and 2254 transitions. [2024-11-19 05:27:21,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 450 transitions, 1118 flow [2024-11-19 05:27:21,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 450 transitions, 1114 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:27:21,095 INFO L231 Difference]: Finished difference. Result has 450 places, 450 transitions, 914 flow [2024-11-19 05:27:21,096 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=904, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=914, PETRI_PLACES=450, PETRI_TRANSITIONS=450} [2024-11-19 05:27:21,098 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -9 predicate places. [2024-11-19 05:27:21,098 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 450 transitions, 914 flow [2024-11-19 05:27:21,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 359.3333333333333) internal successors, (2156), 6 states have internal predecessors, (2156), 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) [2024-11-19 05:27:21,100 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:21,100 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:21,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:27:21,101 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:21,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:21,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1353436018, now seen corresponding path program 1 times [2024-11-19 05:27:21,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:21,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023207034] [2024-11-19 05:27:21,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:21,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:21,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:21,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:21,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023207034] [2024-11-19 05:27:21,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023207034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:21,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:21,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:21,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666668851] [2024-11-19 05:27:21,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:21,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:21,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:21,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:21,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:22,276 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 358 out of 474 [2024-11-19 05:27:22,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 450 transitions, 914 flow. Second operand has 6 states, 6 states have (on average 359.3333333333333) internal successors, (2156), 6 states have internal predecessors, (2156), 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) [2024-11-19 05:27:22,279 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:22,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 358 of 474 [2024-11-19 05:27:22,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:24,126 INFO L124 PetriNetUnfolderBase]: 2177/9183 cut-off events. [2024-11-19 05:27:24,126 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2024-11-19 05:27:24,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13287 conditions, 9183 events. 2177/9183 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 79786 event pairs, 1832 based on Foata normal form. 0/8228 useless extension candidates. Maximal degree in co-relation 13190. Up to 4013 conditions per place. [2024-11-19 05:27:24,194 INFO L140 encePairwiseOnDemand]: 468/474 looper letters, 100 selfloop transitions, 5 changer transitions 0/449 dead transitions. [2024-11-19 05:27:24,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 449 transitions, 1122 flow [2024-11-19 05:27:24,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:27:24,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:27:24,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2254 transitions. [2024-11-19 05:27:24,200 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7925457102672293 [2024-11-19 05:27:24,201 INFO L175 Difference]: Start difference. First operand has 450 places, 450 transitions, 914 flow. Second operand 6 states and 2254 transitions. [2024-11-19 05:27:24,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 449 transitions, 1122 flow [2024-11-19 05:27:24,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 449 transitions, 1112 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:27:24,210 INFO L231 Difference]: Finished difference. Result has 449 places, 449 transitions, 912 flow [2024-11-19 05:27:24,212 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=902, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=912, PETRI_PLACES=449, PETRI_TRANSITIONS=449} [2024-11-19 05:27:24,214 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -10 predicate places. [2024-11-19 05:27:24,215 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 449 transitions, 912 flow [2024-11-19 05:27:24,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 359.3333333333333) internal successors, (2156), 6 states have internal predecessors, (2156), 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) [2024-11-19 05:27:24,217 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:24,217 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:24,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:27:24,217 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:24,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:24,218 INFO L85 PathProgramCache]: Analyzing trace with hash -724785312, now seen corresponding path program 1 times [2024-11-19 05:27:24,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:24,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832072822] [2024-11-19 05:27:24,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:24,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:24,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:24,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:24,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832072822] [2024-11-19 05:27:24,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832072822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:24,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:24,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:24,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482293578] [2024-11-19 05:27:24,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:24,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:24,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:24,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:24,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:25,312 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 358 out of 474 [2024-11-19 05:27:25,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 449 transitions, 912 flow. Second operand has 6 states, 6 states have (on average 359.3333333333333) internal successors, (2156), 6 states have internal predecessors, (2156), 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) [2024-11-19 05:27:25,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:25,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 358 of 474 [2024-11-19 05:27:25,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:26,556 INFO L124 PetriNetUnfolderBase]: 2177/9182 cut-off events. [2024-11-19 05:27:26,556 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2024-11-19 05:27:26,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13286 conditions, 9182 events. 2177/9182 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 79836 event pairs, 1832 based on Foata normal form. 0/8228 useless extension candidates. Maximal degree in co-relation 13181. Up to 4013 conditions per place. [2024-11-19 05:27:26,614 INFO L140 encePairwiseOnDemand]: 468/474 looper letters, 100 selfloop transitions, 5 changer transitions 0/448 dead transitions. [2024-11-19 05:27:26,614 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 448 transitions, 1120 flow [2024-11-19 05:27:26,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:27:26,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:27:26,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2254 transitions. [2024-11-19 05:27:26,624 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7925457102672293 [2024-11-19 05:27:26,624 INFO L175 Difference]: Start difference. First operand has 449 places, 449 transitions, 912 flow. Second operand 6 states and 2254 transitions. [2024-11-19 05:27:26,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 448 transitions, 1120 flow [2024-11-19 05:27:26,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 448 transitions, 1110 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:27:26,642 INFO L231 Difference]: Finished difference. Result has 448 places, 448 transitions, 910 flow [2024-11-19 05:27:26,644 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=900, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=910, PETRI_PLACES=448, PETRI_TRANSITIONS=448} [2024-11-19 05:27:26,646 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -11 predicate places. [2024-11-19 05:27:26,646 INFO L471 AbstractCegarLoop]: Abstraction has has 448 places, 448 transitions, 910 flow [2024-11-19 05:27:26,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 359.3333333333333) internal successors, (2156), 6 states have internal predecessors, (2156), 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) [2024-11-19 05:27:26,648 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:26,648 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:26,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:27:26,649 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:26,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:26,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1058618610, now seen corresponding path program 1 times [2024-11-19 05:27:26,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:26,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52280312] [2024-11-19 05:27:26,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:26,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:27,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:27,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:27,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52280312] [2024-11-19 05:27:27,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52280312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:27,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:27,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:27,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098147159] [2024-11-19 05:27:27,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:27,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:27,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:27,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:27,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:28,167 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 474 [2024-11-19 05:27:28,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 448 transitions, 910 flow. Second operand has 6 states, 6 states have (on average 407.1666666666667) internal successors, (2443), 6 states have internal predecessors, (2443), 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) [2024-11-19 05:27:28,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:28,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 474 [2024-11-19 05:27:28,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:28,845 INFO L124 PetriNetUnfolderBase]: 502/4907 cut-off events. [2024-11-19 05:27:28,845 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-19 05:27:28,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5777 conditions, 4907 events. 502/4907 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 39175 event pairs, 344 based on Foata normal form. 0/4325 useless extension candidates. Maximal degree in co-relation 5654. Up to 811 conditions per place. [2024-11-19 05:27:28,867 INFO L140 encePairwiseOnDemand]: 468/474 looper letters, 54 selfloop transitions, 5 changer transitions 0/447 dead transitions. [2024-11-19 05:27:28,868 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 447 transitions, 1026 flow [2024-11-19 05:27:28,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:27:28,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:27:28,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2484 transitions. [2024-11-19 05:27:28,874 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8734177215189873 [2024-11-19 05:27:28,875 INFO L175 Difference]: Start difference. First operand has 448 places, 448 transitions, 910 flow. Second operand 6 states and 2484 transitions. [2024-11-19 05:27:28,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 447 transitions, 1026 flow [2024-11-19 05:27:28,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 447 transitions, 1016 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:27:28,883 INFO L231 Difference]: Finished difference. Result has 447 places, 447 transitions, 908 flow [2024-11-19 05:27:28,884 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=908, PETRI_PLACES=447, PETRI_TRANSITIONS=447} [2024-11-19 05:27:28,887 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -12 predicate places. [2024-11-19 05:27:28,888 INFO L471 AbstractCegarLoop]: Abstraction has has 447 places, 447 transitions, 908 flow [2024-11-19 05:27:28,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 407.1666666666667) internal successors, (2443), 6 states have internal predecessors, (2443), 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) [2024-11-19 05:27:28,890 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:28,890 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:28,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:27:28,890 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:28,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:28,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1311928055, now seen corresponding path program 1 times [2024-11-19 05:27:28,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:28,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140252812] [2024-11-19 05:27:28,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:28,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:29,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:29,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:29,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140252812] [2024-11-19 05:27:29,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140252812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:29,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:29,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:29,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601960587] [2024-11-19 05:27:29,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:29,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:29,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:29,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:29,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:30,066 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 474 [2024-11-19 05:27:30,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 447 transitions, 908 flow. Second operand has 6 states, 6 states have (on average 407.1666666666667) internal successors, (2443), 6 states have internal predecessors, (2443), 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) [2024-11-19 05:27:30,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:30,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 474 [2024-11-19 05:27:30,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:30,554 INFO L124 PetriNetUnfolderBase]: 502/4906 cut-off events. [2024-11-19 05:27:30,554 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-19 05:27:30,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5776 conditions, 4906 events. 502/4906 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 39123 event pairs, 344 based on Foata normal form. 0/4325 useless extension candidates. Maximal degree in co-relation 5615. Up to 811 conditions per place. [2024-11-19 05:27:30,582 INFO L140 encePairwiseOnDemand]: 468/474 looper letters, 54 selfloop transitions, 5 changer transitions 0/446 dead transitions. [2024-11-19 05:27:30,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 446 transitions, 1024 flow [2024-11-19 05:27:30,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:27:30,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:27:30,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2484 transitions. [2024-11-19 05:27:30,588 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8734177215189873 [2024-11-19 05:27:30,588 INFO L175 Difference]: Start difference. First operand has 447 places, 447 transitions, 908 flow. Second operand 6 states and 2484 transitions. [2024-11-19 05:27:30,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 446 transitions, 1024 flow [2024-11-19 05:27:30,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 446 transitions, 1014 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:27:30,597 INFO L231 Difference]: Finished difference. Result has 446 places, 446 transitions, 906 flow [2024-11-19 05:27:30,598 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=896, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=906, PETRI_PLACES=446, PETRI_TRANSITIONS=446} [2024-11-19 05:27:30,599 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -13 predicate places. [2024-11-19 05:27:30,599 INFO L471 AbstractCegarLoop]: Abstraction has has 446 places, 446 transitions, 906 flow [2024-11-19 05:27:30,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 407.1666666666667) internal successors, (2443), 6 states have internal predecessors, (2443), 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) [2024-11-19 05:27:30,601 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:30,601 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:30,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:27:30,602 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:30,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:30,602 INFO L85 PathProgramCache]: Analyzing trace with hash -92809043, now seen corresponding path program 1 times [2024-11-19 05:27:30,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:30,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638482543] [2024-11-19 05:27:30,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:30,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:30,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:30,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638482543] [2024-11-19 05:27:30,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638482543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:30,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:30,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:30,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583121753] [2024-11-19 05:27:30,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:30,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:30,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:30,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:30,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:30,774 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 451 out of 474 [2024-11-19 05:27:30,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 446 transitions, 906 flow. Second operand has 3 states, 3 states have (on average 452.6666666666667) internal successors, (1358), 3 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:30,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:30,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 451 of 474 [2024-11-19 05:27:30,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:30,952 INFO L124 PetriNetUnfolderBase]: 53/1041 cut-off events. [2024-11-19 05:27:30,953 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-19 05:27:30,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1151 conditions, 1041 events. 53/1041 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4944 event pairs, 12 based on Foata normal form. 0/937 useless extension candidates. Maximal degree in co-relation 1009. Up to 56 conditions per place. [2024-11-19 05:27:30,963 INFO L140 encePairwiseOnDemand]: 469/474 looper letters, 17 selfloop transitions, 4 changer transitions 0/454 dead transitions. [2024-11-19 05:27:30,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 454 transitions, 967 flow [2024-11-19 05:27:30,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:30,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:30,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1375 transitions. [2024-11-19 05:27:30,968 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9669479606188467 [2024-11-19 05:27:30,968 INFO L175 Difference]: Start difference. First operand has 446 places, 446 transitions, 906 flow. Second operand 3 states and 1375 transitions. [2024-11-19 05:27:30,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 454 transitions, 967 flow [2024-11-19 05:27:30,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 454 transitions, 957 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:27:30,982 INFO L231 Difference]: Finished difference. Result has 445 places, 449 transitions, 926 flow [2024-11-19 05:27:30,982 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=896, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=926, PETRI_PLACES=445, PETRI_TRANSITIONS=449} [2024-11-19 05:27:30,984 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -14 predicate places. [2024-11-19 05:27:30,985 INFO L471 AbstractCegarLoop]: Abstraction has has 445 places, 449 transitions, 926 flow [2024-11-19 05:27:30,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 452.6666666666667) internal successors, (1358), 3 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:30,986 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:30,986 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:30,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:27:30,987 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:30,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:30,988 INFO L85 PathProgramCache]: Analyzing trace with hash -255892683, now seen corresponding path program 1 times [2024-11-19 05:27:30,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:30,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84206281] [2024-11-19 05:27:30,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:30,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:31,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:31,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:31,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84206281] [2024-11-19 05:27:31,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84206281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:31,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:31,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:31,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143658008] [2024-11-19 05:27:31,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:31,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:31,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:31,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:31,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:31,132 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 451 out of 474 [2024-11-19 05:27:31,134 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 449 transitions, 926 flow. Second operand has 3 states, 3 states have (on average 453.0) internal successors, (1359), 3 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:31,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:31,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 451 of 474 [2024-11-19 05:27:31,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:31,478 INFO L124 PetriNetUnfolderBase]: 96/2101 cut-off events. [2024-11-19 05:27:31,479 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-11-19 05:27:31,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2279 conditions, 2101 events. 96/2101 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 13702 event pairs, 24 based on Foata normal form. 0/1880 useless extension candidates. Maximal degree in co-relation 1965. Up to 85 conditions per place. [2024-11-19 05:27:31,496 INFO L140 encePairwiseOnDemand]: 469/474 looper letters, 16 selfloop transitions, 4 changer transitions 0/456 dead transitions. [2024-11-19 05:27:31,497 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 456 transitions, 981 flow [2024-11-19 05:27:31,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:31,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:31,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1374 transitions. [2024-11-19 05:27:31,500 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9662447257383966 [2024-11-19 05:27:31,501 INFO L175 Difference]: Start difference. First operand has 445 places, 449 transitions, 926 flow. Second operand 3 states and 1374 transitions. [2024-11-19 05:27:31,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 456 transitions, 981 flow [2024-11-19 05:27:31,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 456 transitions, 973 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:27:31,510 INFO L231 Difference]: Finished difference. Result has 447 places, 452 transitions, 948 flow [2024-11-19 05:27:31,511 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=918, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=948, PETRI_PLACES=447, PETRI_TRANSITIONS=452} [2024-11-19 05:27:31,513 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -12 predicate places. [2024-11-19 05:27:31,513 INFO L471 AbstractCegarLoop]: Abstraction has has 447 places, 452 transitions, 948 flow [2024-11-19 05:27:31,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 453.0) internal successors, (1359), 3 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:31,514 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:31,514 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:31,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 05:27:31,515 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:31,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:31,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1959281702, now seen corresponding path program 1 times [2024-11-19 05:27:31,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:31,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886182280] [2024-11-19 05:27:31,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:31,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:31,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:31,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:31,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886182280] [2024-11-19 05:27:31,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886182280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:31,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:31,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:27:31,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95279510] [2024-11-19 05:27:31,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:31,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:31,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:31,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:31,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:31,671 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 453 out of 474 [2024-11-19 05:27:31,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 452 transitions, 948 flow. Second operand has 3 states, 3 states have (on average 454.6666666666667) internal successors, (1364), 3 states have internal predecessors, (1364), 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) [2024-11-19 05:27:31,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:31,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 453 of 474 [2024-11-19 05:27:31,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:31,986 INFO L124 PetriNetUnfolderBase]: 81/2177 cut-off events. [2024-11-19 05:27:31,987 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-19 05:27:31,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2366 conditions, 2177 events. 81/2177 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 12325 event pairs, 33 based on Foata normal form. 7/1970 useless extension candidates. Maximal degree in co-relation 1934. Up to 103 conditions per place. [2024-11-19 05:27:32,004 INFO L140 encePairwiseOnDemand]: 471/474 looper letters, 13 selfloop transitions, 2 changer transitions 0/456 dead transitions. [2024-11-19 05:27:32,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 456 transitions, 988 flow [2024-11-19 05:27:32,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:32,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:32,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1375 transitions. [2024-11-19 05:27:32,009 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9669479606188467 [2024-11-19 05:27:32,009 INFO L175 Difference]: Start difference. First operand has 447 places, 452 transitions, 948 flow. Second operand 3 states and 1375 transitions. [2024-11-19 05:27:32,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 456 transitions, 988 flow [2024-11-19 05:27:32,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 456 transitions, 980 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:27:32,019 INFO L231 Difference]: Finished difference. Result has 448 places, 453 transitions, 952 flow [2024-11-19 05:27:32,020 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=940, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=952, PETRI_PLACES=448, PETRI_TRANSITIONS=453} [2024-11-19 05:27:32,021 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -11 predicate places. [2024-11-19 05:27:32,022 INFO L471 AbstractCegarLoop]: Abstraction has has 448 places, 453 transitions, 952 flow [2024-11-19 05:27:32,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 454.6666666666667) internal successors, (1364), 3 states have internal predecessors, (1364), 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) [2024-11-19 05:27:32,023 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:32,023 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:32,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:27:32,024 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:32,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:32,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1153430527, now seen corresponding path program 1 times [2024-11-19 05:27:32,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:32,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917791067] [2024-11-19 05:27:32,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:32,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:32,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:32,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:32,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917791067] [2024-11-19 05:27:32,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917791067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:32,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:32,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:27:32,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639931305] [2024-11-19 05:27:32,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:32,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:32,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:32,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:32,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:32,147 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 453 out of 474 [2024-11-19 05:27:32,149 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 453 transitions, 952 flow. Second operand has 3 states, 3 states have (on average 455.0) internal successors, (1365), 3 states have internal predecessors, (1365), 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) [2024-11-19 05:27:32,149 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:32,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 453 of 474 [2024-11-19 05:27:32,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:32,869 INFO L124 PetriNetUnfolderBase]: 136/3825 cut-off events. [2024-11-19 05:27:32,869 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-11-19 05:27:32,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4046 conditions, 3825 events. 136/3825 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 26289 event pairs, 40 based on Foata normal form. 9/3434 useless extension candidates. Maximal degree in co-relation 3630. Up to 113 conditions per place. [2024-11-19 05:27:32,910 INFO L140 encePairwiseOnDemand]: 471/474 looper letters, 13 selfloop transitions, 2 changer transitions 0/457 dead transitions. [2024-11-19 05:27:32,910 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 457 transitions, 991 flow [2024-11-19 05:27:32,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:32,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:32,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1375 transitions. [2024-11-19 05:27:32,915 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9669479606188467 [2024-11-19 05:27:32,915 INFO L175 Difference]: Start difference. First operand has 448 places, 453 transitions, 952 flow. Second operand 3 states and 1375 transitions. [2024-11-19 05:27:32,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 457 transitions, 991 flow [2024-11-19 05:27:32,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 457 transitions, 989 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:32,925 INFO L231 Difference]: Finished difference. Result has 450 places, 454 transitions, 962 flow [2024-11-19 05:27:32,926 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=950, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=962, PETRI_PLACES=450, PETRI_TRANSITIONS=454} [2024-11-19 05:27:32,927 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -9 predicate places. [2024-11-19 05:27:32,927 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 454 transitions, 962 flow [2024-11-19 05:27:32,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 455.0) internal successors, (1365), 3 states have internal predecessors, (1365), 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) [2024-11-19 05:27:32,928 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:32,928 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:32,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 05:27:32,929 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:32,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:32,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1679739742, now seen corresponding path program 1 times [2024-11-19 05:27:32,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:32,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003485140] [2024-11-19 05:27:32,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:32,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:33,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:33,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:33,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003485140] [2024-11-19 05:27:33,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003485140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:33,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:33,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:33,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170982402] [2024-11-19 05:27:33,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:33,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:33,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:33,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:33,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:34,619 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 394 out of 474 [2024-11-19 05:27:34,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 454 transitions, 962 flow. Second operand has 6 states, 6 states have (on average 397.5) internal successors, (2385), 6 states have internal predecessors, (2385), 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) [2024-11-19 05:27:34,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:34,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 474 [2024-11-19 05:27:34,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:39,271 INFO L124 PetriNetUnfolderBase]: 3989/24248 cut-off events. [2024-11-19 05:27:39,271 INFO L125 PetriNetUnfolderBase]: For 85/85 co-relation queries the response was YES. [2024-11-19 05:27:39,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32094 conditions, 24248 events. 3989/24248 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 282507 event pairs, 1490 based on Foata normal form. 0/21673 useless extension candidates. Maximal degree in co-relation 31312. Up to 5594 conditions per place. [2024-11-19 05:27:39,369 INFO L140 encePairwiseOnDemand]: 441/474 looper letters, 83 selfloop transitions, 66 changer transitions 0/533 dead transitions. [2024-11-19 05:27:39,369 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 533 transitions, 1426 flow [2024-11-19 05:27:39,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:27:39,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:27:39,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2516 transitions. [2024-11-19 05:27:39,375 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8846694796061885 [2024-11-19 05:27:39,375 INFO L175 Difference]: Start difference. First operand has 450 places, 454 transitions, 962 flow. Second operand 6 states and 2516 transitions. [2024-11-19 05:27:39,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 533 transitions, 1426 flow [2024-11-19 05:27:39,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 533 transitions, 1424 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:39,385 INFO L231 Difference]: Finished difference. Result has 459 places, 518 transitions, 1414 flow [2024-11-19 05:27:39,386 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=960, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1414, PETRI_PLACES=459, PETRI_TRANSITIONS=518} [2024-11-19 05:27:39,387 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, 0 predicate places. [2024-11-19 05:27:39,387 INFO L471 AbstractCegarLoop]: Abstraction has has 459 places, 518 transitions, 1414 flow [2024-11-19 05:27:39,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 397.5) internal successors, (2385), 6 states have internal predecessors, (2385), 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) [2024-11-19 05:27:39,388 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:39,388 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:39,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 05:27:39,389 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:39,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:39,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1139085049, now seen corresponding path program 1 times [2024-11-19 05:27:39,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:39,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322091608] [2024-11-19 05:27:39,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:39,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:39,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:39,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:39,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322091608] [2024-11-19 05:27:39,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322091608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:39,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:39,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:27:39,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983673714] [2024-11-19 05:27:39,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:39,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:39,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:39,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:39,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:39,565 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 452 out of 474 [2024-11-19 05:27:39,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 518 transitions, 1414 flow. Second operand has 3 states, 3 states have (on average 454.0) internal successors, (1362), 3 states have internal predecessors, (1362), 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) [2024-11-19 05:27:39,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:39,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 452 of 474 [2024-11-19 05:27:39,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:40,183 INFO L124 PetriNetUnfolderBase]: 86/2843 cut-off events. [2024-11-19 05:27:40,183 INFO L125 PetriNetUnfolderBase]: For 54/54 co-relation queries the response was YES. [2024-11-19 05:27:40,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3390 conditions, 2843 events. 86/2843 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 17295 event pairs, 17 based on Foata normal form. 4/2583 useless extension candidates. Maximal degree in co-relation 2911. Up to 169 conditions per place. [2024-11-19 05:27:40,193 INFO L140 encePairwiseOnDemand]: 470/474 looper letters, 14 selfloop transitions, 3 changer transitions 0/452 dead transitions. [2024-11-19 05:27:40,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 452 transitions, 1067 flow [2024-11-19 05:27:40,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:40,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:40,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1374 transitions. [2024-11-19 05:27:40,197 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9662447257383966 [2024-11-19 05:27:40,197 INFO L175 Difference]: Start difference. First operand has 459 places, 518 transitions, 1414 flow. Second operand 3 states and 1374 transitions. [2024-11-19 05:27:40,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 452 transitions, 1067 flow [2024-11-19 05:27:40,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 452 transitions, 977 flow, removed 21 selfloop flow, removed 12 redundant places. [2024-11-19 05:27:40,208 INFO L231 Difference]: Finished difference. Result has 446 places, 447 transitions, 941 flow [2024-11-19 05:27:40,209 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=930, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=941, PETRI_PLACES=446, PETRI_TRANSITIONS=447} [2024-11-19 05:27:40,211 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -13 predicate places. [2024-11-19 05:27:40,211 INFO L471 AbstractCegarLoop]: Abstraction has has 446 places, 447 transitions, 941 flow [2024-11-19 05:27:40,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 454.0) internal successors, (1362), 3 states have internal predecessors, (1362), 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) [2024-11-19 05:27:40,211 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:40,212 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:40,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 05:27:40,212 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:40,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:40,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1409365038, now seen corresponding path program 1 times [2024-11-19 05:27:40,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:40,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268439343] [2024-11-19 05:27:40,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:40,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:40,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:40,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:40,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268439343] [2024-11-19 05:27:40,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268439343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:40,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:40,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:40,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246808751] [2024-11-19 05:27:40,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:40,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:40,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:40,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:40,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:41,132 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 348 out of 474 [2024-11-19 05:27:41,134 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 447 transitions, 941 flow. Second operand has 6 states, 6 states have (on average 353.8333333333333) internal successors, (2123), 6 states have internal predecessors, (2123), 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) [2024-11-19 05:27:41,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:41,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 348 of 474 [2024-11-19 05:27:41,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:41,712 INFO L124 PetriNetUnfolderBase]: 693/3437 cut-off events. [2024-11-19 05:27:41,713 INFO L125 PetriNetUnfolderBase]: For 193/193 co-relation queries the response was YES. [2024-11-19 05:27:41,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5268 conditions, 3437 events. 693/3437 cut-off events. For 193/193 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 23942 event pairs, 604 based on Foata normal form. 0/3174 useless extension candidates. Maximal degree in co-relation 4400. Up to 1497 conditions per place. [2024-11-19 05:27:41,721 INFO L140 encePairwiseOnDemand]: 468/474 looper letters, 122 selfloop transitions, 5 changer transitions 0/458 dead transitions. [2024-11-19 05:27:41,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 458 transitions, 1225 flow [2024-11-19 05:27:41,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:27:41,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:27:41,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2216 transitions. [2024-11-19 05:27:41,726 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7791842475386779 [2024-11-19 05:27:41,726 INFO L175 Difference]: Start difference. First operand has 446 places, 447 transitions, 941 flow. Second operand 6 states and 2216 transitions. [2024-11-19 05:27:41,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 458 transitions, 1225 flow [2024-11-19 05:27:41,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 458 transitions, 1219 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:27:41,733 INFO L231 Difference]: Finished difference. Result has 448 places, 446 transitions, 943 flow [2024-11-19 05:27:41,734 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=933, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=943, PETRI_PLACES=448, PETRI_TRANSITIONS=446} [2024-11-19 05:27:41,735 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -11 predicate places. [2024-11-19 05:27:41,735 INFO L471 AbstractCegarLoop]: Abstraction has has 448 places, 446 transitions, 943 flow [2024-11-19 05:27:41,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 353.8333333333333) internal successors, (2123), 6 states have internal predecessors, (2123), 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) [2024-11-19 05:27:41,736 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:41,736 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:41,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 05:27:41,737 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t1Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:41,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:41,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1784898089, now seen corresponding path program 1 times [2024-11-19 05:27:41,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:41,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941836880] [2024-11-19 05:27:41,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:41,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:42,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:42,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:42,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941836880] [2024-11-19 05:27:42,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941836880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:42,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:42,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:42,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561971788] [2024-11-19 05:27:42,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:42,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:42,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:42,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:42,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:42,981 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 474 [2024-11-19 05:27:42,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 446 transitions, 943 flow. Second operand has 6 states, 6 states have (on average 415.1666666666667) internal successors, (2491), 6 states have internal predecessors, (2491), 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) [2024-11-19 05:27:42,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:42,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 474 [2024-11-19 05:27:42,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:43,370 INFO L124 PetriNetUnfolderBase]: 297/2792 cut-off events. [2024-11-19 05:27:43,370 INFO L125 PetriNetUnfolderBase]: For 66/66 co-relation queries the response was YES. [2024-11-19 05:27:43,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3596 conditions, 2792 events. 297/2792 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 16385 event pairs, 214 based on Foata normal form. 0/2562 useless extension candidates. Maximal degree in co-relation 2960. Up to 533 conditions per place. [2024-11-19 05:27:43,379 INFO L140 encePairwiseOnDemand]: 468/474 looper letters, 59 selfloop transitions, 5 changer transitions 0/457 dead transitions. [2024-11-19 05:27:43,379 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 457 transitions, 1101 flow [2024-11-19 05:27:43,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:27:43,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:27:43,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2531 transitions. [2024-11-19 05:27:43,385 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.889943741209564 [2024-11-19 05:27:43,385 INFO L175 Difference]: Start difference. First operand has 448 places, 446 transitions, 943 flow. Second operand 6 states and 2531 transitions. [2024-11-19 05:27:43,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 457 transitions, 1101 flow [2024-11-19 05:27:43,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 457 transitions, 1091 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:27:43,393 INFO L231 Difference]: Finished difference. Result has 447 places, 445 transitions, 941 flow [2024-11-19 05:27:43,394 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=931, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=941, PETRI_PLACES=447, PETRI_TRANSITIONS=445} [2024-11-19 05:27:43,394 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -12 predicate places. [2024-11-19 05:27:43,394 INFO L471 AbstractCegarLoop]: Abstraction has has 447 places, 445 transitions, 941 flow [2024-11-19 05:27:43,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 415.1666666666667) internal successors, (2491), 6 states have internal predecessors, (2491), 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) [2024-11-19 05:27:43,396 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:43,396 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:43,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 05:27:43,396 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:43,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:43,397 INFO L85 PathProgramCache]: Analyzing trace with hash 763359068, now seen corresponding path program 1 times [2024-11-19 05:27:43,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:43,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37819893] [2024-11-19 05:27:43,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:43,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:43,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:43,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:43,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37819893] [2024-11-19 05:27:43,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37819893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:43,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:43,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:43,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517448412] [2024-11-19 05:27:43,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:43,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:43,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:43,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:43,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:44,453 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 474 [2024-11-19 05:27:44,454 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 445 transitions, 941 flow. Second operand has 6 states, 6 states have (on average 375.5) internal successors, (2253), 6 states have internal predecessors, (2253), 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) [2024-11-19 05:27:44,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:44,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 474 [2024-11-19 05:27:44,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:44,842 INFO L124 PetriNetUnfolderBase]: 567/3295 cut-off events. [2024-11-19 05:27:44,842 INFO L125 PetriNetUnfolderBase]: For 194/194 co-relation queries the response was YES. [2024-11-19 05:27:44,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4777 conditions, 3295 events. 567/3295 cut-off events. For 194/194 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22454 event pairs, 478 based on Foata normal form. 0/3048 useless extension candidates. Maximal degree in co-relation 4115. Up to 1203 conditions per place. [2024-11-19 05:27:44,852 INFO L140 encePairwiseOnDemand]: 468/474 looper letters, 101 selfloop transitions, 5 changer transitions 0/456 dead transitions. [2024-11-19 05:27:44,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 456 transitions, 1183 flow [2024-11-19 05:27:44,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:27:44,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:27:44,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2321 transitions. [2024-11-19 05:27:44,857 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8161040787623066 [2024-11-19 05:27:44,857 INFO L175 Difference]: Start difference. First operand has 447 places, 445 transitions, 941 flow. Second operand 6 states and 2321 transitions. [2024-11-19 05:27:44,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 456 transitions, 1183 flow [2024-11-19 05:27:44,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 456 transitions, 1173 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:27:44,865 INFO L231 Difference]: Finished difference. Result has 446 places, 444 transitions, 939 flow [2024-11-19 05:27:44,865 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=929, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=939, PETRI_PLACES=446, PETRI_TRANSITIONS=444} [2024-11-19 05:27:44,866 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -13 predicate places. [2024-11-19 05:27:44,866 INFO L471 AbstractCegarLoop]: Abstraction has has 446 places, 444 transitions, 939 flow [2024-11-19 05:27:44,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 375.5) internal successors, (2253), 6 states have internal predecessors, (2253), 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) [2024-11-19 05:27:44,869 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:44,869 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:44,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 05:27:44,870 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t1Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:44,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:44,871 INFO L85 PathProgramCache]: Analyzing trace with hash -790941493, now seen corresponding path program 1 times [2024-11-19 05:27:44,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:44,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800614867] [2024-11-19 05:27:44,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:44,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:45,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:45,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:45,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800614867] [2024-11-19 05:27:45,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800614867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:45,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:45,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:45,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412394460] [2024-11-19 05:27:45,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:45,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:45,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:45,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:45,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:45,968 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 474 [2024-11-19 05:27:45,970 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 444 transitions, 939 flow. Second operand has 6 states, 6 states have (on average 361.3333333333333) internal successors, (2168), 6 states have internal predecessors, (2168), 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) [2024-11-19 05:27:45,970 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:45,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 474 [2024-11-19 05:27:45,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:46,391 INFO L124 PetriNetUnfolderBase]: 657/3377 cut-off events. [2024-11-19 05:27:46,391 INFO L125 PetriNetUnfolderBase]: For 186/186 co-relation queries the response was YES. [2024-11-19 05:27:46,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5129 conditions, 3377 events. 657/3377 cut-off events. For 186/186 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 23408 event pairs, 568 based on Foata normal form. 0/3146 useless extension candidates. Maximal degree in co-relation 4319. Up to 1413 conditions per place. [2024-11-19 05:27:46,402 INFO L140 encePairwiseOnDemand]: 468/474 looper letters, 116 selfloop transitions, 5 changer transitions 0/455 dead transitions. [2024-11-19 05:27:46,402 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 455 transitions, 1211 flow [2024-11-19 05:27:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:27:46,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:27:46,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2246 transitions. [2024-11-19 05:27:46,407 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.789732770745429 [2024-11-19 05:27:46,407 INFO L175 Difference]: Start difference. First operand has 446 places, 444 transitions, 939 flow. Second operand 6 states and 2246 transitions. [2024-11-19 05:27:46,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 455 transitions, 1211 flow [2024-11-19 05:27:46,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 455 transitions, 1201 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:27:46,414 INFO L231 Difference]: Finished difference. Result has 445 places, 443 transitions, 937 flow [2024-11-19 05:27:46,415 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=927, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=937, PETRI_PLACES=445, PETRI_TRANSITIONS=443} [2024-11-19 05:27:46,415 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -14 predicate places. [2024-11-19 05:27:46,416 INFO L471 AbstractCegarLoop]: Abstraction has has 445 places, 443 transitions, 937 flow [2024-11-19 05:27:46,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 361.3333333333333) internal successors, (2168), 6 states have internal predecessors, (2168), 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) [2024-11-19 05:27:46,417 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:46,417 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:46,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 05:27:46,417 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting t1Err8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:46,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:46,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1121013541, now seen corresponding path program 1 times [2024-11-19 05:27:46,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:46,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537124550] [2024-11-19 05:27:46,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:46,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:46,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:46,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:46,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537124550] [2024-11-19 05:27:46,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537124550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:46,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:46,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:46,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168153055] [2024-11-19 05:27:46,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:46,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:46,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:46,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:46,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:47,407 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 474 [2024-11-19 05:27:47,409 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 443 transitions, 937 flow. Second operand has 6 states, 6 states have (on average 362.1666666666667) internal successors, (2173), 6 states have internal predecessors, (2173), 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) [2024-11-19 05:27:47,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:47,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 474 [2024-11-19 05:27:47,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:47,819 INFO L124 PetriNetUnfolderBase]: 651/3363 cut-off events. [2024-11-19 05:27:47,819 INFO L125 PetriNetUnfolderBase]: For 194/194 co-relation queries the response was YES. [2024-11-19 05:27:47,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5105 conditions, 3363 events. 651/3363 cut-off events. For 194/194 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 23393 event pairs, 562 based on Foata normal form. 0/3132 useless extension candidates. Maximal degree in co-relation 4305. Up to 1407 conditions per place. [2024-11-19 05:27:47,830 INFO L140 encePairwiseOnDemand]: 468/474 looper letters, 116 selfloop transitions, 5 changer transitions 0/454 dead transitions. [2024-11-19 05:27:47,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 454 transitions, 1209 flow [2024-11-19 05:27:47,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:27:47,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:27:47,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2246 transitions. [2024-11-19 05:27:47,835 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.789732770745429 [2024-11-19 05:27:47,835 INFO L175 Difference]: Start difference. First operand has 445 places, 443 transitions, 937 flow. Second operand 6 states and 2246 transitions. [2024-11-19 05:27:47,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 454 transitions, 1209 flow [2024-11-19 05:27:47,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 454 transitions, 1199 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:27:47,843 INFO L231 Difference]: Finished difference. Result has 444 places, 442 transitions, 935 flow [2024-11-19 05:27:47,843 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=925, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=935, PETRI_PLACES=444, PETRI_TRANSITIONS=442} [2024-11-19 05:27:47,844 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -15 predicate places. [2024-11-19 05:27:47,844 INFO L471 AbstractCegarLoop]: Abstraction has has 444 places, 442 transitions, 935 flow [2024-11-19 05:27:47,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 362.1666666666667) internal successors, (2173), 6 states have internal predecessors, (2173), 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) [2024-11-19 05:27:47,845 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:47,845 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:47,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 05:27:47,845 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t1Err9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:47,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:47,845 INFO L85 PathProgramCache]: Analyzing trace with hash -23629767, now seen corresponding path program 1 times [2024-11-19 05:27:47,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:47,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389862689] [2024-11-19 05:27:47,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:47,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:48,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:48,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:48,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389862689] [2024-11-19 05:27:48,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389862689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:48,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:48,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:48,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875298448] [2024-11-19 05:27:48,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:48,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:48,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:48,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:48,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:48,787 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 474 [2024-11-19 05:27:48,789 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 442 transitions, 935 flow. Second operand has 6 states, 6 states have (on average 358.1666666666667) internal successors, (2149), 6 states have internal predecessors, (2149), 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) [2024-11-19 05:27:48,789 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:48,789 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 474 [2024-11-19 05:27:48,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:49,128 INFO L124 PetriNetUnfolderBase]: 672/3379 cut-off events. [2024-11-19 05:27:49,129 INFO L125 PetriNetUnfolderBase]: For 206/206 co-relation queries the response was YES. [2024-11-19 05:27:49,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5181 conditions, 3379 events. 672/3379 cut-off events. For 206/206 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 23384 event pairs, 583 based on Foata normal form. 0/3154 useless extension candidates. Maximal degree in co-relation 4974. Up to 1453 conditions per place. [2024-11-19 05:27:49,141 INFO L140 encePairwiseOnDemand]: 468/474 looper letters, 122 selfloop transitions, 5 changer transitions 0/453 dead transitions. [2024-11-19 05:27:49,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 453 transitions, 1219 flow [2024-11-19 05:27:49,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:27:49,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:27:49,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2221 transitions. [2024-11-19 05:27:49,145 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7809423347398031 [2024-11-19 05:27:49,145 INFO L175 Difference]: Start difference. First operand has 444 places, 442 transitions, 935 flow. Second operand 6 states and 2221 transitions. [2024-11-19 05:27:49,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 453 transitions, 1219 flow [2024-11-19 05:27:49,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 453 transitions, 1209 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:27:49,154 INFO L231 Difference]: Finished difference. Result has 443 places, 441 transitions, 933 flow [2024-11-19 05:27:49,154 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=923, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=933, PETRI_PLACES=443, PETRI_TRANSITIONS=441} [2024-11-19 05:27:49,155 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -16 predicate places. [2024-11-19 05:27:49,155 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 441 transitions, 933 flow [2024-11-19 05:27:49,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 358.1666666666667) internal successors, (2149), 6 states have internal predecessors, (2149), 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) [2024-11-19 05:27:49,156 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:49,156 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:49,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 05:27:49,157 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting t1Err10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:49,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:49,157 INFO L85 PathProgramCache]: Analyzing trace with hash 898136602, now seen corresponding path program 1 times [2024-11-19 05:27:49,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:49,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862755476] [2024-11-19 05:27:49,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:49,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:49,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:49,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:49,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862755476] [2024-11-19 05:27:49,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862755476] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:27:49,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483753248] [2024-11-19 05:27:49,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:49,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:27:49,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:27:49,318 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:27:49,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 05:27:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:49,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 05:27:49,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:27:49,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 05:27:49,591 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 05:27:49,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483753248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:49,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 05:27:49,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-19 05:27:49,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76319930] [2024-11-19 05:27:49,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:49,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:49,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:49,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:49,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:49,614 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 449 out of 474 [2024-11-19 05:27:49,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 441 transitions, 933 flow. Second operand has 3 states, 3 states have (on average 451.3333333333333) internal successors, (1354), 3 states have internal predecessors, (1354), 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) [2024-11-19 05:27:49,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:49,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 449 of 474 [2024-11-19 05:27:49,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:49,768 INFO L124 PetriNetUnfolderBase]: 64/1688 cut-off events. [2024-11-19 05:27:49,768 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-19 05:27:49,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1892 conditions, 1688 events. 64/1688 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 7469 event pairs, 29 based on Foata normal form. 0/1598 useless extension candidates. Maximal degree in co-relation 1461. Up to 79 conditions per place. [2024-11-19 05:27:49,774 INFO L140 encePairwiseOnDemand]: 471/474 looper letters, 15 selfloop transitions, 2 changer transitions 0/443 dead transitions. [2024-11-19 05:27:49,774 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 443 transitions, 973 flow [2024-11-19 05:27:49,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:49,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:49,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1365 transitions. [2024-11-19 05:27:49,776 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.959915611814346 [2024-11-19 05:27:49,777 INFO L175 Difference]: Start difference. First operand has 443 places, 441 transitions, 933 flow. Second operand 3 states and 1365 transitions. [2024-11-19 05:27:49,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 443 transitions, 973 flow [2024-11-19 05:27:49,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 443 transitions, 963 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:27:49,783 INFO L231 Difference]: Finished difference. Result has 439 places, 440 transitions, 925 flow [2024-11-19 05:27:49,783 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=921, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=925, PETRI_PLACES=439, PETRI_TRANSITIONS=440} [2024-11-19 05:27:49,783 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -20 predicate places. [2024-11-19 05:27:49,784 INFO L471 AbstractCegarLoop]: Abstraction has has 439 places, 440 transitions, 925 flow [2024-11-19 05:27:49,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 451.3333333333333) internal successors, (1354), 3 states have internal predecessors, (1354), 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) [2024-11-19 05:27:49,784 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:49,784 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:49,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 05:27:49,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:27:49,985 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting t1Err11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:49,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:49,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1730636951, now seen corresponding path program 1 times [2024-11-19 05:27:49,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:49,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013842541] [2024-11-19 05:27:49,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:49,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:50,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:50,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:50,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013842541] [2024-11-19 05:27:50,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013842541] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:27:50,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025086923] [2024-11-19 05:27:50,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:50,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:27:50,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:27:50,172 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:27:50,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 05:27:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:50,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 05:27:50,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:27:50,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 05:27:50,424 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 05:27:50,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025086923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:50,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 05:27:50,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-19 05:27:50,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936815429] [2024-11-19 05:27:50,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:50,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:50,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:50,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:50,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:50,447 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 449 out of 474 [2024-11-19 05:27:50,448 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 440 transitions, 925 flow. Second operand has 3 states, 3 states have (on average 451.0) internal successors, (1353), 3 states have internal predecessors, (1353), 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) [2024-11-19 05:27:50,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:50,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 449 of 474 [2024-11-19 05:27:50,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:50,790 INFO L124 PetriNetUnfolderBase]: 136/3370 cut-off events. [2024-11-19 05:27:50,790 INFO L125 PetriNetUnfolderBase]: For 41/48 co-relation queries the response was YES. [2024-11-19 05:27:50,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3669 conditions, 3370 events. 136/3370 cut-off events. For 41/48 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 22240 event pairs, 38 based on Foata normal form. 1/3116 useless extension candidates. Maximal degree in co-relation 3252. Up to 129 conditions per place. [2024-11-19 05:27:50,803 INFO L140 encePairwiseOnDemand]: 468/474 looper letters, 17 selfloop transitions, 7 changer transitions 1/448 dead transitions. [2024-11-19 05:27:50,803 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 448 transitions, 999 flow [2024-11-19 05:27:50,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:50,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:50,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1370 transitions. [2024-11-19 05:27:50,806 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9634317862165963 [2024-11-19 05:27:50,806 INFO L175 Difference]: Start difference. First operand has 439 places, 440 transitions, 925 flow. Second operand 3 states and 1370 transitions. [2024-11-19 05:27:50,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 448 transitions, 999 flow [2024-11-19 05:27:50,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 448 transitions, 995 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:27:50,813 INFO L231 Difference]: Finished difference. Result has 441 places, 445 transitions, 977 flow [2024-11-19 05:27:50,813 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=921, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=977, PETRI_PLACES=441, PETRI_TRANSITIONS=445} [2024-11-19 05:27:50,814 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -18 predicate places. [2024-11-19 05:27:50,814 INFO L471 AbstractCegarLoop]: Abstraction has has 441 places, 445 transitions, 977 flow [2024-11-19 05:27:50,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 451.0) internal successors, (1353), 3 states have internal predecessors, (1353), 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) [2024-11-19 05:27:50,815 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:50,815 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:50,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 05:27:51,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-19 05:27:51,016 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:51,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:51,017 INFO L85 PathProgramCache]: Analyzing trace with hash -2041604436, now seen corresponding path program 1 times [2024-11-19 05:27:51,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:51,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283494938] [2024-11-19 05:27:51,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:51,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:51,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:51,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:51,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283494938] [2024-11-19 05:27:51,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283494938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:27:51,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026126238] [2024-11-19 05:27:51,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:51,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:27:51,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:27:51,173 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:27:51,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 05:27:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:51,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 05:27:51,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:27:51,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 05:27:51,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 05:27:51,517 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 05:27:51,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026126238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:51,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 05:27:51,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-19 05:27:51,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7753836] [2024-11-19 05:27:51,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:51,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:51,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:51,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:51,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:51,545 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 455 out of 474 [2024-11-19 05:27:51,546 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 445 transitions, 977 flow. Second operand has 3 states, 3 states have (on average 457.0) internal successors, (1371), 3 states have internal predecessors, (1371), 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) [2024-11-19 05:27:51,546 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:51,546 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 455 of 474 [2024-11-19 05:27:51,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:51,687 INFO L124 PetriNetUnfolderBase]: 33/1428 cut-off events. [2024-11-19 05:27:51,688 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-19 05:27:51,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1543 conditions, 1428 events. 33/1428 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 5286 event pairs, 6 based on Foata normal form. 2/1356 useless extension candidates. Maximal degree in co-relation 1141. Up to 26 conditions per place. [2024-11-19 05:27:51,692 INFO L140 encePairwiseOnDemand]: 470/474 looper letters, 7 selfloop transitions, 3 changer transitions 5/438 dead transitions. [2024-11-19 05:27:51,692 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 438 transitions, 954 flow [2024-11-19 05:27:51,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:51,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:51,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1378 transitions. [2024-11-19 05:27:51,695 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9690576652601969 [2024-11-19 05:27:51,695 INFO L175 Difference]: Start difference. First operand has 441 places, 445 transitions, 977 flow. Second operand 3 states and 1378 transitions. [2024-11-19 05:27:51,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 438 transitions, 954 flow [2024-11-19 05:27:51,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 438 transitions, 934 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-11-19 05:27:51,730 INFO L231 Difference]: Finished difference. Result has 437 places, 431 transitions, 899 flow [2024-11-19 05:27:51,731 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=905, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=899, PETRI_PLACES=437, PETRI_TRANSITIONS=431} [2024-11-19 05:27:51,732 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -22 predicate places. [2024-11-19 05:27:51,732 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 431 transitions, 899 flow [2024-11-19 05:27:51,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 457.0) internal successors, (1371), 3 states have internal predecessors, (1371), 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) [2024-11-19 05:27:51,733 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:51,733 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:51,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 05:27:51,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:27:51,935 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:51,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:51,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1909164341, now seen corresponding path program 1 times [2024-11-19 05:27:51,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:51,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537002219] [2024-11-19 05:27:51,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:51,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:52,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:52,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:52,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537002219] [2024-11-19 05:27:52,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537002219] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:27:52,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514537867] [2024-11-19 05:27:52,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:52,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:27:52,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:27:52,102 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:27:52,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 05:27:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:52,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 05:27:52,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:27:52,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:52,483 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:27:52,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:52,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514537867] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:27:52,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:27:52,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 05:27:52,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386833853] [2024-11-19 05:27:52,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:27:52,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 05:27:52,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:52,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 05:27:52,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 05:27:52,654 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 450 out of 474 [2024-11-19 05:27:52,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 431 transitions, 899 flow. Second operand has 10 states, 10 states have (on average 452.2) internal successors, (4522), 10 states have internal predecessors, (4522), 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) [2024-11-19 05:27:52,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:52,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 450 of 474 [2024-11-19 05:27:52,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:52,896 INFO L124 PetriNetUnfolderBase]: 44/1399 cut-off events. [2024-11-19 05:27:52,896 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-19 05:27:52,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1557 conditions, 1399 events. 44/1399 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 3402 event pairs, 10 based on Foata normal form. 4/1326 useless extension candidates. Maximal degree in co-relation 986. Up to 35 conditions per place. [2024-11-19 05:27:52,900 INFO L140 encePairwiseOnDemand]: 468/474 looper letters, 20 selfloop transitions, 9 changer transitions 0/446 dead transitions. [2024-11-19 05:27:52,900 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 446 transitions, 1003 flow [2024-11-19 05:27:52,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 05:27:52,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 05:27:52,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 4081 transitions. [2024-11-19 05:27:52,903 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9566338490389124 [2024-11-19 05:27:52,903 INFO L175 Difference]: Start difference. First operand has 437 places, 431 transitions, 899 flow. Second operand 9 states and 4081 transitions. [2024-11-19 05:27:52,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 446 transitions, 1003 flow [2024-11-19 05:27:52,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 446 transitions, 994 flow, removed 1 selfloop flow, removed 3 redundant places. [2024-11-19 05:27:52,908 INFO L231 Difference]: Finished difference. Result has 441 places, 437 transitions, 940 flow [2024-11-19 05:27:52,909 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=940, PETRI_PLACES=441, PETRI_TRANSITIONS=437} [2024-11-19 05:27:52,909 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -18 predicate places. [2024-11-19 05:27:52,909 INFO L471 AbstractCegarLoop]: Abstraction has has 441 places, 437 transitions, 940 flow [2024-11-19 05:27:52,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 452.2) internal successors, (4522), 10 states have internal predecessors, (4522), 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) [2024-11-19 05:27:52,910 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:52,911 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:52,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 05:27:53,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:27:53,112 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:53,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:53,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1220071571, now seen corresponding path program 2 times [2024-11-19 05:27:53,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:53,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482976167] [2024-11-19 05:27:53,112 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:27:53,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:53,167 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:27:53,168 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:27:53,534 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2024-11-19 05:27:53,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:53,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482976167] [2024-11-19 05:27:53,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482976167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:53,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:53,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:53,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61098133] [2024-11-19 05:27:53,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:53,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:53,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:53,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:53,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:54,187 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 474 [2024-11-19 05:27:54,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 437 transitions, 940 flow. Second operand has 6 states, 6 states have (on average 410.6666666666667) internal successors, (2464), 6 states have internal predecessors, (2464), 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) [2024-11-19 05:27:54,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:54,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 474 [2024-11-19 05:27:54,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:54,429 INFO L124 PetriNetUnfolderBase]: 130/1477 cut-off events. [2024-11-19 05:27:54,429 INFO L125 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES. [2024-11-19 05:27:54,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2013 conditions, 1477 events. 130/1477 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 4528 event pairs, 95 based on Foata normal form. 0/1405 useless extension candidates. Maximal degree in co-relation 1266. Up to 303 conditions per place. [2024-11-19 05:27:54,434 INFO L140 encePairwiseOnDemand]: 468/474 looper letters, 57 selfloop transitions, 5 changer transitions 0/440 dead transitions. [2024-11-19 05:27:54,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 440 transitions, 1074 flow [2024-11-19 05:27:54,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:27:54,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:27:54,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2487 transitions. [2024-11-19 05:27:54,436 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8744725738396625 [2024-11-19 05:27:54,436 INFO L175 Difference]: Start difference. First operand has 441 places, 437 transitions, 940 flow. Second operand 6 states and 2487 transitions. [2024-11-19 05:27:54,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 440 transitions, 1074 flow [2024-11-19 05:27:54,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 440 transitions, 1068 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:54,441 INFO L231 Difference]: Finished difference. Result has 444 places, 436 transitions, 942 flow [2024-11-19 05:27:54,442 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=932, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=942, PETRI_PLACES=444, PETRI_TRANSITIONS=436} [2024-11-19 05:27:54,442 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, -15 predicate places. [2024-11-19 05:27:54,442 INFO L471 AbstractCegarLoop]: Abstraction has has 444 places, 436 transitions, 942 flow [2024-11-19 05:27:54,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 410.6666666666667) internal successors, (2464), 6 states have internal predecessors, (2464), 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) [2024-11-19 05:27:54,443 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:54,444 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:54,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-19 05:27:54,444 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting t2Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:54,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:54,444 INFO L85 PathProgramCache]: Analyzing trace with hash -679567721, now seen corresponding path program 1 times [2024-11-19 05:27:54,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:54,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396057237] [2024-11-19 05:27:54,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:54,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:54,927 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:54,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:54,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396057237] [2024-11-19 05:27:54,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396057237] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:27:54,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618136535] [2024-11-19 05:27:54,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:54,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:27:54,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:27:54,930 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:27:54,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 05:27:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:55,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 1218 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 05:27:55,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:27:55,578 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:55,578 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:27:55,893 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:55,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618136535] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:27:55,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:27:55,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-19 05:27:55,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790543999] [2024-11-19 05:27:55,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:27:55,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 05:27:55,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:55,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 05:27:55,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-19 05:27:56,006 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 450 out of 474 [2024-11-19 05:27:56,011 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 436 transitions, 942 flow. Second operand has 18 states, 18 states have (on average 452.1111111111111) internal successors, (8138), 18 states have internal predecessors, (8138), 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) [2024-11-19 05:27:56,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:56,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 450 of 474 [2024-11-19 05:27:56,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:56,520 INFO L124 PetriNetUnfolderBase]: 70/2163 cut-off events. [2024-11-19 05:27:56,521 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2024-11-19 05:27:56,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2489 conditions, 2163 events. 70/2163 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 4869 event pairs, 10 based on Foata normal form. 8/2090 useless extension candidates. Maximal degree in co-relation 1897. Up to 35 conditions per place. [2024-11-19 05:27:56,530 INFO L140 encePairwiseOnDemand]: 468/474 looper letters, 36 selfloop transitions, 21 changer transitions 0/473 dead transitions. [2024-11-19 05:27:56,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 473 transitions, 1220 flow [2024-11-19 05:27:56,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-19 05:27:56,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-19 05:27:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 9511 transitions. [2024-11-19 05:27:56,541 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9554952782800884 [2024-11-19 05:27:56,541 INFO L175 Difference]: Start difference. First operand has 444 places, 436 transitions, 942 flow. Second operand 21 states and 9511 transitions. [2024-11-19 05:27:56,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 473 transitions, 1220 flow [2024-11-19 05:27:56,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 473 transitions, 1210 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:27:56,549 INFO L231 Difference]: Finished difference. Result has 464 places, 449 transitions, 1062 flow [2024-11-19 05:27:56,550 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=932, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1062, PETRI_PLACES=464, PETRI_TRANSITIONS=449} [2024-11-19 05:27:56,551 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, 5 predicate places. [2024-11-19 05:27:56,551 INFO L471 AbstractCegarLoop]: Abstraction has has 464 places, 449 transitions, 1062 flow [2024-11-19 05:27:56,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 452.1111111111111) internal successors, (8138), 18 states have internal predecessors, (8138), 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) [2024-11-19 05:27:56,553 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:56,553 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:56,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 05:27:56,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-19 05:27:56,755 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting t2Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:56,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:56,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1767781527, now seen corresponding path program 2 times [2024-11-19 05:27:56,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:56,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426446361] [2024-11-19 05:27:56,755 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:27:56,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:56,850 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:27:56,850 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:27:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1582 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1582 trivial. 0 not checked. [2024-11-19 05:27:57,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:57,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426446361] [2024-11-19 05:27:57,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426446361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:57,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:57,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:57,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366351309] [2024-11-19 05:27:57,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:57,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:57,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:57,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:57,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:57,942 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 474 [2024-11-19 05:27:57,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 449 transitions, 1062 flow. Second operand has 6 states, 6 states have (on average 410.6666666666667) internal successors, (2464), 6 states have internal predecessors, (2464), 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) [2024-11-19 05:27:57,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:57,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 474 [2024-11-19 05:27:57,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:58,368 INFO L124 PetriNetUnfolderBase]: 218/2305 cut-off events. [2024-11-19 05:27:58,368 INFO L125 PetriNetUnfolderBase]: For 123/123 co-relation queries the response was YES. [2024-11-19 05:27:58,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3362 conditions, 2305 events. 218/2305 cut-off events. For 123/123 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 6841 event pairs, 175 based on Foata normal form. 0/2229 useless extension candidates. Maximal degree in co-relation 2614. Up to 543 conditions per place. [2024-11-19 05:27:58,377 INFO L140 encePairwiseOnDemand]: 468/474 looper letters, 57 selfloop transitions, 5 changer transitions 0/452 dead transitions. [2024-11-19 05:27:58,377 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 452 transitions, 1196 flow [2024-11-19 05:27:58,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:27:58,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:27:58,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2487 transitions. [2024-11-19 05:27:58,379 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8744725738396625 [2024-11-19 05:27:58,379 INFO L175 Difference]: Start difference. First operand has 464 places, 449 transitions, 1062 flow. Second operand 6 states and 2487 transitions. [2024-11-19 05:27:58,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 452 transitions, 1196 flow [2024-11-19 05:27:58,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 452 transitions, 1172 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-19 05:27:58,389 INFO L231 Difference]: Finished difference. Result has 462 places, 448 transitions, 1046 flow [2024-11-19 05:27:58,389 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=1036, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1046, PETRI_PLACES=462, PETRI_TRANSITIONS=448} [2024-11-19 05:27:58,390 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, 3 predicate places. [2024-11-19 05:27:58,390 INFO L471 AbstractCegarLoop]: Abstraction has has 462 places, 448 transitions, 1046 flow [2024-11-19 05:27:58,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 410.6666666666667) internal successors, (2464), 6 states have internal predecessors, (2464), 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) [2024-11-19 05:27:58,391 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:58,391 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:58,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-19 05:27:58,392 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting t2Err12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:58,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:58,392 INFO L85 PathProgramCache]: Analyzing trace with hash -695389874, now seen corresponding path program 1 times [2024-11-19 05:27:58,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:58,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508081866] [2024-11-19 05:27:58,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:58,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:58,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1583 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1582 trivial. 0 not checked. [2024-11-19 05:27:58,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:58,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508081866] [2024-11-19 05:27:58,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508081866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:58,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:58,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 05:27:58,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933656500] [2024-11-19 05:27:58,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:58,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 05:27:58,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:58,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 05:27:58,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 05:27:58,862 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 450 out of 474 [2024-11-19 05:27:58,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 448 transitions, 1046 flow. Second operand has 4 states, 4 states have (on average 452.5) internal successors, (1810), 4 states have internal predecessors, (1810), 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) [2024-11-19 05:27:58,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:58,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 450 of 474 [2024-11-19 05:27:58,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:59,284 INFO L124 PetriNetUnfolderBase]: 60/2597 cut-off events. [2024-11-19 05:27:59,284 INFO L125 PetriNetUnfolderBase]: For 117/117 co-relation queries the response was YES. [2024-11-19 05:27:59,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2885 conditions, 2597 events. 60/2597 cut-off events. For 117/117 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 8012 event pairs, 17 based on Foata normal form. 4/2481 useless extension candidates. Maximal degree in co-relation 1943. Up to 59 conditions per place. [2024-11-19 05:27:59,292 INFO L140 encePairwiseOnDemand]: 469/474 looper letters, 14 selfloop transitions, 4 changer transitions 0/453 dead transitions. [2024-11-19 05:27:59,292 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 453 transitions, 1094 flow [2024-11-19 05:27:59,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 05:27:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 05:27:59,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1819 transitions. [2024-11-19 05:27:59,294 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9593881856540084 [2024-11-19 05:27:59,294 INFO L175 Difference]: Start difference. First operand has 462 places, 448 transitions, 1046 flow. Second operand 4 states and 1819 transitions. [2024-11-19 05:27:59,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 453 transitions, 1094 flow [2024-11-19 05:27:59,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 453 transitions, 1084 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:27:59,300 INFO L231 Difference]: Finished difference. Result has 462 places, 451 transitions, 1064 flow [2024-11-19 05:27:59,300 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=1036, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1064, PETRI_PLACES=462, PETRI_TRANSITIONS=451} [2024-11-19 05:27:59,300 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, 3 predicate places. [2024-11-19 05:27:59,300 INFO L471 AbstractCegarLoop]: Abstraction has has 462 places, 451 transitions, 1064 flow [2024-11-19 05:27:59,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 452.5) internal successors, (1810), 4 states have internal predecessors, (1810), 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) [2024-11-19 05:27:59,301 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:59,301 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:59,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-19 05:27:59,301 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting t2Err12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:27:59,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:59,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1973009200, now seen corresponding path program 1 times [2024-11-19 05:27:59,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:59,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238019188] [2024-11-19 05:27:59,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:59,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:59,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1583 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1582 trivial. 0 not checked. [2024-11-19 05:27:59,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:59,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238019188] [2024-11-19 05:27:59,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238019188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:27:59,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300837318] [2024-11-19 05:27:59,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:59,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:27:59,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:27:59,774 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:27:59,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 05:28:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:28:00,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 2218 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 05:28:00,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:28:00,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1583 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1583 trivial. 0 not checked. [2024-11-19 05:28:00,391 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 05:28:00,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300837318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:28:00,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 05:28:00,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-19 05:28:00,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793114633] [2024-11-19 05:28:00,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:28:00,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:28:00,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:28:00,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:28:00,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:28:00,410 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 449 out of 474 [2024-11-19 05:28:00,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 451 transitions, 1064 flow. Second operand has 3 states, 3 states have (on average 452.6666666666667) internal successors, (1358), 3 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:28:00,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:28:00,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 449 of 474 [2024-11-19 05:28:00,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:28:00,888 INFO L124 PetriNetUnfolderBase]: 53/2586 cut-off events. [2024-11-19 05:28:00,888 INFO L125 PetriNetUnfolderBase]: For 117/117 co-relation queries the response was YES. [2024-11-19 05:28:00,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2873 conditions, 2586 events. 53/2586 cut-off events. For 117/117 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 7876 event pairs, 12 based on Foata normal form. 0/2470 useless extension candidates. Maximal degree in co-relation 2354. Up to 44 conditions per place. [2024-11-19 05:28:00,901 INFO L140 encePairwiseOnDemand]: 471/474 looper letters, 12 selfloop transitions, 2 changer transitions 0/451 dead transitions. [2024-11-19 05:28:00,902 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 451 transitions, 1093 flow [2024-11-19 05:28:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:28:00,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:28:00,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1362 transitions. [2024-11-19 05:28:00,903 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9578059071729957 [2024-11-19 05:28:00,904 INFO L175 Difference]: Start difference. First operand has 462 places, 451 transitions, 1064 flow. Second operand 3 states and 1362 transitions. [2024-11-19 05:28:00,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 451 transitions, 1093 flow [2024-11-19 05:28:00,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 451 transitions, 1091 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:28:00,912 INFO L231 Difference]: Finished difference. Result has 462 places, 450 transitions, 1064 flow [2024-11-19 05:28:00,912 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=1060, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1064, PETRI_PLACES=462, PETRI_TRANSITIONS=450} [2024-11-19 05:28:00,913 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, 3 predicate places. [2024-11-19 05:28:00,913 INFO L471 AbstractCegarLoop]: Abstraction has has 462 places, 450 transitions, 1064 flow [2024-11-19 05:28:00,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 452.6666666666667) internal successors, (1358), 3 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:28:00,914 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:28:00,914 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:28:00,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 05:28:01,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-19 05:28:01,115 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting t2Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:28:01,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:28:01,116 INFO L85 PathProgramCache]: Analyzing trace with hash 551827246, now seen corresponding path program 1 times [2024-11-19 05:28:01,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:28:01,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359512010] [2024-11-19 05:28:01,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:28:01,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:28:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:28:02,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1582 backedges. 0 proven. 1582 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:28:02,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:28:02,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359512010] [2024-11-19 05:28:02,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359512010] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:28:02,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798562560] [2024-11-19 05:28:02,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:28:02,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:28:02,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:28:02,148 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:28:02,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 05:28:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:28:02,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 2232 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 05:28:02,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:28:03,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1582 backedges. 0 proven. 1582 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:28:03,284 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:28:03,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1582 backedges. 0 proven. 1582 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:28:03,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798562560] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:28:03,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:28:03,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-19 05:28:03,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072877448] [2024-11-19 05:28:03,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:28:03,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-19 05:28:03,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:28:03,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-19 05:28:03,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-19 05:28:04,037 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 450 out of 474 [2024-11-19 05:28:04,046 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 450 transitions, 1064 flow. Second operand has 34 states, 34 states have (on average 452.05882352941177) internal successors, (15370), 34 states have internal predecessors, (15370), 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) [2024-11-19 05:28:04,046 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:28:04,046 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 450 of 474 [2024-11-19 05:28:04,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:28:05,447 INFO L124 PetriNetUnfolderBase]: 122/4145 cut-off events. [2024-11-19 05:28:05,447 INFO L125 PetriNetUnfolderBase]: For 578/578 co-relation queries the response was YES. [2024-11-19 05:28:05,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4896 conditions, 4145 events. 122/4145 cut-off events. For 578/578 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 11114 event pairs, 10 based on Foata normal form. 16/4028 useless extension candidates. Maximal degree in co-relation 4835. Up to 67 conditions per place. [2024-11-19 05:28:05,457 INFO L140 encePairwiseOnDemand]: 468/474 looper letters, 68 selfloop transitions, 45 changer transitions 0/530 dead transitions. [2024-11-19 05:28:05,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 506 places, 530 transitions, 1734 flow [2024-11-19 05:28:05,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-19 05:28:05,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-19 05:28:05,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 20371 transitions. [2024-11-19 05:28:05,469 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9550398499765589 [2024-11-19 05:28:05,470 INFO L175 Difference]: Start difference. First operand has 462 places, 450 transitions, 1064 flow. Second operand 45 states and 20371 transitions. [2024-11-19 05:28:05,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 506 places, 530 transitions, 1734 flow [2024-11-19 05:28:05,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 530 transitions, 1730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:28:05,479 INFO L231 Difference]: Finished difference. Result has 513 places, 475 transitions, 1362 flow [2024-11-19 05:28:05,480 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=1060, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=1362, PETRI_PLACES=513, PETRI_TRANSITIONS=475} [2024-11-19 05:28:05,481 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, 54 predicate places. [2024-11-19 05:28:05,481 INFO L471 AbstractCegarLoop]: Abstraction has has 513 places, 475 transitions, 1362 flow [2024-11-19 05:28:05,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 452.05882352941177) internal successors, (15370), 34 states have internal predecessors, (15370), 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) [2024-11-19 05:28:05,484 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:28:05,485 INFO L204 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:28:05,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 05:28:05,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:28:05,686 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting t2Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:28:05,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:28:05,686 INFO L85 PathProgramCache]: Analyzing trace with hash -36458770, now seen corresponding path program 2 times [2024-11-19 05:28:05,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:28:05,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430143004] [2024-11-19 05:28:05,687 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:28:05,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:28:05,820 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:28:05,820 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:28:06,157 INFO L134 CoverageAnalysis]: Checked inductivity of 7890 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7890 trivial. 0 not checked. [2024-11-19 05:28:06,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:28:06,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430143004] [2024-11-19 05:28:06,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430143004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:28:06,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:28:06,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:28:06,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595976008] [2024-11-19 05:28:06,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:28:06,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:28:06,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:28:06,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:28:06,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:28:06,779 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 394 out of 474 [2024-11-19 05:28:06,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 475 transitions, 1362 flow. Second operand has 6 states, 6 states have (on average 400.6666666666667) internal successors, (2404), 6 states have internal predecessors, (2404), 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) [2024-11-19 05:28:06,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:28:06,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 474 [2024-11-19 05:28:06,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:28:07,973 INFO L124 PetriNetUnfolderBase]: 466/4463 cut-off events. [2024-11-19 05:28:07,973 INFO L125 PetriNetUnfolderBase]: For 577/577 co-relation queries the response was YES. [2024-11-19 05:28:07,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6885 conditions, 4463 events. 466/4463 cut-off events. For 577/577 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 15458 event pairs, 353 based on Foata normal form. 0/4371 useless extension candidates. Maximal degree in co-relation 5450. Up to 1085 conditions per place. [2024-11-19 05:28:07,991 INFO L140 encePairwiseOnDemand]: 465/474 looper letters, 64 selfloop transitions, 6 changer transitions 0/476 dead transitions. [2024-11-19 05:28:07,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 476 transitions, 1508 flow [2024-11-19 05:28:07,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:28:07,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:28:07,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2437 transitions. [2024-11-19 05:28:07,993 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8568917018284107 [2024-11-19 05:28:07,993 INFO L175 Difference]: Start difference. First operand has 513 places, 475 transitions, 1362 flow. Second operand 6 states and 2437 transitions. [2024-11-19 05:28:07,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 476 transitions, 1508 flow [2024-11-19 05:28:08,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 476 transitions, 1452 flow, removed 10 selfloop flow, removed 18 redundant places. [2024-11-19 05:28:08,005 INFO L231 Difference]: Finished difference. Result has 497 places, 472 transitions, 1312 flow [2024-11-19 05:28:08,005 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=1300, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1312, PETRI_PLACES=497, PETRI_TRANSITIONS=472} [2024-11-19 05:28:08,005 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, 38 predicate places. [2024-11-19 05:28:08,006 INFO L471 AbstractCegarLoop]: Abstraction has has 497 places, 472 transitions, 1312 flow [2024-11-19 05:28:08,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 400.6666666666667) internal successors, (2404), 6 states have internal predecessors, (2404), 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) [2024-11-19 05:28:08,006 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:28:08,007 INFO L204 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:28:08,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-19 05:28:08,007 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting t2Err13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:28:08,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:28:08,007 INFO L85 PathProgramCache]: Analyzing trace with hash 963577652, now seen corresponding path program 1 times [2024-11-19 05:28:08,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:28:08,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458554464] [2024-11-19 05:28:08,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:28:08,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:28:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:28:09,005 INFO L134 CoverageAnalysis]: Checked inductivity of 7891 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7890 trivial. 0 not checked. [2024-11-19 05:28:09,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:28:09,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458554464] [2024-11-19 05:28:09,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458554464] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:28:09,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341071958] [2024-11-19 05:28:09,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:28:09,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:28:09,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:28:09,008 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:28:09,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 05:28:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:28:10,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 4154 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 05:28:10,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:28:10,081 INFO L134 CoverageAnalysis]: Checked inductivity of 7891 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7891 trivial. 0 not checked. [2024-11-19 05:28:10,082 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 05:28:10,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341071958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:28:10,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 05:28:10,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-19 05:28:10,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343797377] [2024-11-19 05:28:10,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:28:10,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:28:10,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:28:10,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:28:10,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:28:10,102 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 449 out of 474 [2024-11-19 05:28:10,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 472 transitions, 1312 flow. Second operand has 3 states, 3 states have (on average 452.6666666666667) internal successors, (1358), 3 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:28:10,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:28:10,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 449 of 474 [2024-11-19 05:28:10,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:28:11,006 INFO L124 PetriNetUnfolderBase]: 67/4060 cut-off events. [2024-11-19 05:28:11,007 INFO L125 PetriNetUnfolderBase]: For 530/530 co-relation queries the response was YES. [2024-11-19 05:28:11,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4665 conditions, 4060 events. 67/4060 cut-off events. For 530/530 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 10130 event pairs, 10 based on Foata normal form. 0/3956 useless extension candidates. Maximal degree in co-relation 3825. Up to 60 conditions per place. [2024-11-19 05:28:11,019 INFO L140 encePairwiseOnDemand]: 471/474 looper letters, 9 selfloop transitions, 0 changer transitions 5/472 dead transitions. [2024-11-19 05:28:11,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 472 transitions, 1341 flow [2024-11-19 05:28:11,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:28:11,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:28:11,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1362 transitions. [2024-11-19 05:28:11,021 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9578059071729957 [2024-11-19 05:28:11,021 INFO L175 Difference]: Start difference. First operand has 497 places, 472 transitions, 1312 flow. Second operand 3 states and 1362 transitions. [2024-11-19 05:28:11,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 472 transitions, 1341 flow [2024-11-19 05:28:11,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 472 transitions, 1329 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:28:11,032 INFO L231 Difference]: Finished difference. Result has 493 places, 467 transitions, 1290 flow [2024-11-19 05:28:11,032 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=1298, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=471, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=471, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1290, PETRI_PLACES=493, PETRI_TRANSITIONS=467} [2024-11-19 05:28:11,033 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, 34 predicate places. [2024-11-19 05:28:11,033 INFO L471 AbstractCegarLoop]: Abstraction has has 493 places, 467 transitions, 1290 flow [2024-11-19 05:28:11,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 452.6666666666667) internal successors, (1358), 3 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:28:11,034 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:28:11,034 INFO L204 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:28:11,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-19 05:28:11,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-19 05:28:11,235 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting t2Err4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:28:11,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:28:11,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1346423538, now seen corresponding path program 1 times [2024-11-19 05:28:11,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:28:11,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046755873] [2024-11-19 05:28:11,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:28:11,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:28:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:28:14,492 INFO L134 CoverageAnalysis]: Checked inductivity of 7890 backedges. 0 proven. 7890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:28:14,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:28:14,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046755873] [2024-11-19 05:28:14,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046755873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:28:14,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857979661] [2024-11-19 05:28:14,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:28:14,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:28:14,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:28:14,496 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:28:14,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 05:28:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:28:15,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 4186 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-19 05:28:15,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:28:16,635 INFO L134 CoverageAnalysis]: Checked inductivity of 7890 backedges. 0 proven. 7890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:28:16,635 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:28:17,915 INFO L134 CoverageAnalysis]: Checked inductivity of 7890 backedges. 0 proven. 7890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:28:17,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857979661] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:28:17,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:28:17,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 43 [2024-11-19 05:28:17,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713993916] [2024-11-19 05:28:17,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:28:17,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-19 05:28:17,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:28:17,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-19 05:28:17,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=1323, Unknown=0, NotChecked=0, Total=1806 [2024-11-19 05:28:18,079 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 450 out of 474 [2024-11-19 05:28:18,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 467 transitions, 1290 flow. Second operand has 43 states, 43 states have (on average 452.09302325581393) internal successors, (19440), 43 states have internal predecessors, (19440), 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) [2024-11-19 05:28:18,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:28:18,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 450 of 474 [2024-11-19 05:28:18,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:28:20,376 INFO L124 PetriNetUnfolderBase]: 150/5061 cut-off events. [2024-11-19 05:28:20,376 INFO L125 PetriNetUnfolderBase]: For 1840/1840 co-relation queries the response was YES. [2024-11-19 05:28:20,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6163 conditions, 5061 events. 150/5061 cut-off events. For 1840/1840 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 12620 event pairs, 10 based on Foata normal form. 10/4956 useless extension candidates. Maximal degree in co-relation 6137. Up to 87 conditions per place. [2024-11-19 05:28:20,399 INFO L140 encePairwiseOnDemand]: 468/474 looper letters, 88 selfloop transitions, 60 changer transitions 0/557 dead transitions. [2024-11-19 05:28:20,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 557 transitions, 2134 flow [2024-11-19 05:28:20,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-19 05:28:20,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2024-11-19 05:28:20,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 27153 transitions. [2024-11-19 05:28:20,419 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.954746835443038 [2024-11-19 05:28:20,419 INFO L175 Difference]: Start difference. First operand has 493 places, 467 transitions, 1290 flow. Second operand 60 states and 27153 transitions. [2024-11-19 05:28:20,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 548 places, 557 transitions, 2134 flow [2024-11-19 05:28:20,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 548 places, 557 transitions, 2134 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:28:20,434 INFO L231 Difference]: Finished difference. Result has 554 places, 483 transitions, 1584 flow [2024-11-19 05:28:20,435 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=1290, PETRI_DIFFERENCE_MINUEND_PLACES=489, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=467, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=60, PETRI_FLOW=1584, PETRI_PLACES=554, PETRI_TRANSITIONS=483} [2024-11-19 05:28:20,435 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, 95 predicate places. [2024-11-19 05:28:20,436 INFO L471 AbstractCegarLoop]: Abstraction has has 554 places, 483 transitions, 1584 flow [2024-11-19 05:28:20,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 452.09302325581393) internal successors, (19440), 43 states have internal predecessors, (19440), 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) [2024-11-19 05:28:20,439 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:28:20,440 INFO L204 CegarLoopForPetriNet]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:28:20,470 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-19 05:28:20,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:28:20,641 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting t2Err4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:28:20,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:28:20,641 INFO L85 PathProgramCache]: Analyzing trace with hash 929895478, now seen corresponding path program 2 times [2024-11-19 05:28:20,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:28:20,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295314329] [2024-11-19 05:28:20,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:28:20,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:28:20,801 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:28:20,802 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:28:21,086 INFO L134 CoverageAnalysis]: Checked inductivity of 14270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14270 trivial. 0 not checked. [2024-11-19 05:28:21,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:28:21,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295314329] [2024-11-19 05:28:21,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295314329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:28:21,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:28:21,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:28:21,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697878527] [2024-11-19 05:28:21,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:28:21,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:28:21,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:28:21,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:28:21,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:28:21,738 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 474 [2024-11-19 05:28:21,739 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 554 places, 483 transitions, 1584 flow. Second operand has 6 states, 6 states have (on average 408.8333333333333) internal successors, (2453), 6 states have internal predecessors, (2453), 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) [2024-11-19 05:28:21,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:28:21,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 474 [2024-11-19 05:28:21,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:28:23,457 INFO L124 PetriNetUnfolderBase]: 554/5455 cut-off events. [2024-11-19 05:28:23,458 INFO L125 PetriNetUnfolderBase]: For 1115/1115 co-relation queries the response was YES. [2024-11-19 05:28:23,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8578 conditions, 5455 events. 554/5455 cut-off events. For 1115/1115 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 17926 event pairs, 473 based on Foata normal form. 0/5349 useless extension candidates. Maximal degree in co-relation 8546. Up to 1437 conditions per place. [2024-11-19 05:28:23,480 INFO L140 encePairwiseOnDemand]: 468/474 looper letters, 59 selfloop transitions, 5 changer transitions 0/486 dead transitions. [2024-11-19 05:28:23,480 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 558 places, 486 transitions, 1722 flow [2024-11-19 05:28:23,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:28:23,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:28:23,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2477 transitions. [2024-11-19 05:28:23,482 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8709563994374121 [2024-11-19 05:28:23,482 INFO L175 Difference]: Start difference. First operand has 554 places, 483 transitions, 1584 flow. Second operand 6 states and 2477 transitions. [2024-11-19 05:28:23,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 558 places, 486 transitions, 1722 flow [2024-11-19 05:28:23,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 486 transitions, 1624 flow, removed 7 selfloop flow, removed 42 redundant places. [2024-11-19 05:28:23,496 INFO L231 Difference]: Finished difference. Result has 516 places, 482 transitions, 1494 flow [2024-11-19 05:28:23,497 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=1484, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=482, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1494, PETRI_PLACES=516, PETRI_TRANSITIONS=482} [2024-11-19 05:28:23,497 INFO L277 CegarLoopForPetriNet]: 459 programPoint places, 57 predicate places. [2024-11-19 05:28:23,497 INFO L471 AbstractCegarLoop]: Abstraction has has 516 places, 482 transitions, 1494 flow [2024-11-19 05:28:23,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 408.8333333333333) internal successors, (2453), 6 states have internal predecessors, (2453), 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) [2024-11-19 05:28:23,498 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:28:23,499 INFO L204 CegarLoopForPetriNet]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:28:23,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-19 05:28:23,499 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting t2Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2024-11-19 05:28:23,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:28:23,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1653292188, now seen corresponding path program 1 times [2024-11-19 05:28:23,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:28:23,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460368937] [2024-11-19 05:28:23,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:28:23,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:28:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat