./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d 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/weaver/chl-array-int-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8a0558934008acf79b7e5b205fa256c568a1b783af274566f36b253458639325 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:42:38,866 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:42:38,955 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:42:38,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:42:38,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:42:38,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:42:38,989 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:42:38,989 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:42:38,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:42:38,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:42:38,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:42:38,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:42:38,992 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:42:38,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:42:38,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:42:38,995 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:42:38,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:42:38,996 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:42:38,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:42:38,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:42:38,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:42:39,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:42:39,001 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:42:39,001 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:42:39,002 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:42:39,002 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:42:39,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:42:39,002 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:42:39,003 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:42:39,003 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:42:39,003 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:42:39,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:42:39,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:42:39,004 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:42:39,004 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:42:39,005 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:42:39,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:42:39,005 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:42:39,005 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:42:39,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:42:39,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:42:39,006 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a0558934008acf79b7e5b205fa256c568a1b783af274566f36b253458639325 [2024-11-16 23:42:39,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:42:39,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:42:39,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:42:39,285 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:42:39,286 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:42:39,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c [2024-11-16 23:42:40,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:42:40,881 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:42:40,882 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c [2024-11-16 23:42:40,892 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e6364c0/f3987365c88f4edca175bc8811c842f4/FLAG7538ba149 [2024-11-16 23:42:40,914 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e6364c0/f3987365c88f4edca175bc8811c842f4 [2024-11-16 23:42:40,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:42:40,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:42:40,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:42:40,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:42:40,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:42:40,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:42:40" (1/1) ... [2024-11-16 23:42:40,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69623ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:40, skipping insertion in model container [2024-11-16 23:42:40,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:42:40" (1/1) ... [2024-11-16 23:42:40,950 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:42:41,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:42:41,219 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:42:41,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:42:41,275 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:42:41,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:41 WrapperNode [2024-11-16 23:42:41,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:42:41,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:42:41,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:42:41,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:42:41,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:41" (1/1) ... [2024-11-16 23:42:41,294 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:41" (1/1) ... [2024-11-16 23:42:41,333 INFO L138 Inliner]: procedures = 24, calls = 30, calls flagged for inlining = 14, calls inlined = 18, statements flattened = 347 [2024-11-16 23:42:41,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:42:41,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:42:41,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:42:41,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:42:41,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:41" (1/1) ... [2024-11-16 23:42:41,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:41" (1/1) ... [2024-11-16 23:42:41,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:41" (1/1) ... [2024-11-16 23:42:41,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:41" (1/1) ... [2024-11-16 23:42:41,382 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:41" (1/1) ... [2024-11-16 23:42:41,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:41" (1/1) ... [2024-11-16 23:42:41,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:41" (1/1) ... [2024-11-16 23:42:41,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:41" (1/1) ... [2024-11-16 23:42:41,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:42:41,398 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:42:41,398 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:42:41,398 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:42:41,400 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:41" (1/1) ... [2024-11-16 23:42:41,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:42:41,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:42:41,450 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) [2024-11-16 23:42:41,455 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 [2024-11-16 23:42:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:42:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:42:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:42:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:42:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:42:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:42:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:42:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:42:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:42:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:42:41,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:42:41,507 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:42:41,627 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:42:41,629 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:42:42,279 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:42:42,280 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:42:42,314 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:42:42,314 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:42:42,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:42:42 BoogieIcfgContainer [2024-11-16 23:42:42,315 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:42:42,317 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:42:42,317 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:42:42,321 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:42:42,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:42:40" (1/3) ... [2024-11-16 23:42:42,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a65395d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:42:42, skipping insertion in model container [2024-11-16 23:42:42,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:41" (2/3) ... [2024-11-16 23:42:42,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a65395d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:42:42, skipping insertion in model container [2024-11-16 23:42:42,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:42:42" (3/3) ... [2024-11-16 23:42:42,325 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-symm.wvr.c [2024-11-16 23:42:42,341 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:42:42,343 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-11-16 23:42:42,343 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:42:42,502 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 23:42:42,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 442 places, 461 transitions, 936 flow [2024-11-16 23:42:42,786 INFO L124 PetriNetUnfolderBase]: 26/459 cut-off events. [2024-11-16 23:42:42,786 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:42:42,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 468 conditions, 459 events. 26/459 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 924 event pairs, 0 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 276. Up to 3 conditions per place. [2024-11-16 23:42:42,799 INFO L82 GeneralOperation]: Start removeDead. Operand has 442 places, 461 transitions, 936 flow [2024-11-16 23:42:42,810 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 422 places, 439 transitions, 890 flow [2024-11-16 23:42:42,824 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:42:42,832 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;@5e2e4631, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:42:42,832 INFO L334 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2024-11-16 23:42:42,838 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:42:42,838 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-16 23:42:42,838 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:42:42,839 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:42,840 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] [2024-11-16 23:42:42,840 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:42,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:42,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1273453334, now seen corresponding path program 1 times [2024-11-16 23:42:42,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:42,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991682383] [2024-11-16 23:42:42,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:42,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:43,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:43,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991682383] [2024-11-16 23:42:43,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991682383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:43,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:43,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:43,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793145022] [2024-11-16 23:42:43,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:43,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:43,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:43,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:43,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:43,148 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 461 [2024-11-16 23:42:43,159 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 439 transitions, 890 flow. Second operand has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 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) [2024-11-16 23:42:43,160 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:43,160 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 461 [2024-11-16 23:42:43,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:43,319 INFO L124 PetriNetUnfolderBase]: 27/764 cut-off events. [2024-11-16 23:42:43,320 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-16 23:42:43,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 810 conditions, 764 events. 27/764 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2929 event pairs, 8 based on Foata normal form. 18/662 useless extension candidates. Maximal degree in co-relation 591. Up to 29 conditions per place. [2024-11-16 23:42:43,334 INFO L140 encePairwiseOnDemand]: 444/461 looper letters, 12 selfloop transitions, 2 changer transitions 6/424 dead transitions. [2024-11-16 23:42:43,334 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 424 transitions, 888 flow [2024-11-16 23:42:43,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:43,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:43,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1316 transitions. [2024-11-16 23:42:43,356 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9515545914678236 [2024-11-16 23:42:43,358 INFO L175 Difference]: Start difference. First operand has 422 places, 439 transitions, 890 flow. Second operand 3 states and 1316 transitions. [2024-11-16 23:42:43,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 424 transitions, 888 flow [2024-11-16 23:42:43,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 424 transitions, 880 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-16 23:42:43,407 INFO L231 Difference]: Finished difference. Result has 419 places, 418 transitions, 844 flow [2024-11-16 23:42:43,417 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=852, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=844, PETRI_PLACES=419, PETRI_TRANSITIONS=418} [2024-11-16 23:42:43,426 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -3 predicate places. [2024-11-16 23:42:43,430 INFO L471 AbstractCegarLoop]: Abstraction has has 419 places, 418 transitions, 844 flow [2024-11-16 23:42:43,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 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) [2024-11-16 23:42:43,431 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:43,431 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] [2024-11-16 23:42:43,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:42:43,432 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:43,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:43,433 INFO L85 PathProgramCache]: Analyzing trace with hash 653401675, now seen corresponding path program 1 times [2024-11-16 23:42:43,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:43,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728559133] [2024-11-16 23:42:43,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:43,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:43,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:43,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:43,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728559133] [2024-11-16 23:42:43,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728559133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:43,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:43,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:43,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559381839] [2024-11-16 23:42:43,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:43,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:43,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:43,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:43,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:43,605 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 461 [2024-11-16 23:42:43,607 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 418 transitions, 844 flow. Second operand has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 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) [2024-11-16 23:42:43,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:43,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 461 [2024-11-16 23:42:43,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:43,714 INFO L124 PetriNetUnfolderBase]: 27/748 cut-off events. [2024-11-16 23:42:43,715 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-16 23:42:43,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 787 conditions, 748 events. 27/748 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2897 event pairs, 8 based on Foata normal form. 0/640 useless extension candidates. Maximal degree in co-relation 757. Up to 29 conditions per place. [2024-11-16 23:42:43,721 INFO L140 encePairwiseOnDemand]: 458/461 looper letters, 12 selfloop transitions, 2 changer transitions 0/417 dead transitions. [2024-11-16 23:42:43,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 417 transitions, 870 flow [2024-11-16 23:42:43,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:43,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:43,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1302 transitions. [2024-11-16 23:42:43,727 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414316702819957 [2024-11-16 23:42:43,727 INFO L175 Difference]: Start difference. First operand has 419 places, 418 transitions, 844 flow. Second operand 3 states and 1302 transitions. [2024-11-16 23:42:43,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 417 transitions, 870 flow [2024-11-16 23:42:43,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 417 transitions, 866 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:43,734 INFO L231 Difference]: Finished difference. Result has 412 places, 417 transitions, 842 flow [2024-11-16 23:42:43,735 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=838, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=842, PETRI_PLACES=412, PETRI_TRANSITIONS=417} [2024-11-16 23:42:43,736 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -10 predicate places. [2024-11-16 23:42:43,736 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 417 transitions, 842 flow [2024-11-16 23:42:43,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 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) [2024-11-16 23:42:43,737 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:43,738 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] [2024-11-16 23:42:43,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:42:43,739 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:43,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:43,739 INFO L85 PathProgramCache]: Analyzing trace with hash 167365107, now seen corresponding path program 1 times [2024-11-16 23:42:43,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:43,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760547868] [2024-11-16 23:42:43,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:43,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:43,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:43,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:43,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760547868] [2024-11-16 23:42:43,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760547868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:43,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:43,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:43,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100090215] [2024-11-16 23:42:43,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:43,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:43,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:43,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:43,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:43,839 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 461 [2024-11-16 23:42:43,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 417 transitions, 842 flow. Second operand has 3 states, 3 states have (on average 426.0) internal successors, (1278), 3 states have internal predecessors, (1278), 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) [2024-11-16 23:42:43,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:43,842 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 461 [2024-11-16 23:42:43,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:44,027 INFO L124 PetriNetUnfolderBase]: 62/1356 cut-off events. [2024-11-16 23:42:44,028 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-16 23:42:44,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1435 conditions, 1356 events. 62/1356 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7793 event pairs, 24 based on Foata normal form. 0/1158 useless extension candidates. Maximal degree in co-relation 1397. Up to 67 conditions per place. [2024-11-16 23:42:44,038 INFO L140 encePairwiseOnDemand]: 455/461 looper letters, 14 selfloop transitions, 1 changer transitions 0/412 dead transitions. [2024-11-16 23:42:44,038 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 412 transitions, 862 flow [2024-11-16 23:42:44,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:44,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:44,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-11-16 23:42:44,042 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9363702096890817 [2024-11-16 23:42:44,043 INFO L175 Difference]: Start difference. First operand has 412 places, 417 transitions, 842 flow. Second operand 3 states and 1295 transitions. [2024-11-16 23:42:44,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 412 transitions, 862 flow [2024-11-16 23:42:44,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 412 transitions, 858 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:44,049 INFO L231 Difference]: Finished difference. Result has 407 places, 412 transitions, 830 flow [2024-11-16 23:42:44,050 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=830, PETRI_PLACES=407, PETRI_TRANSITIONS=412} [2024-11-16 23:42:44,051 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -15 predicate places. [2024-11-16 23:42:44,051 INFO L471 AbstractCegarLoop]: Abstraction has has 407 places, 412 transitions, 830 flow [2024-11-16 23:42:44,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 426.0) internal successors, (1278), 3 states have internal predecessors, (1278), 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) [2024-11-16 23:42:44,053 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:44,053 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] [2024-11-16 23:42:44,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:42:44,053 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:44,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:44,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1567320648, now seen corresponding path program 1 times [2024-11-16 23:42:44,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:44,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264976428] [2024-11-16 23:42:44,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:44,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:44,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:44,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:44,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264976428] [2024-11-16 23:42:44,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264976428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:44,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:44,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:44,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613435112] [2024-11-16 23:42:44,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:44,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:44,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:44,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:44,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:44,159 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 461 [2024-11-16 23:42:44,161 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 412 transitions, 830 flow. Second operand has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 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) [2024-11-16 23:42:44,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:44,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 461 [2024-11-16 23:42:44,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:44,242 INFO L124 PetriNetUnfolderBase]: 24/647 cut-off events. [2024-11-16 23:42:44,243 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-16 23:42:44,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 684 conditions, 647 events. 24/647 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2162 event pairs, 8 based on Foata normal form. 0/563 useless extension candidates. Maximal degree in co-relation 646. Up to 28 conditions per place. [2024-11-16 23:42:44,249 INFO L140 encePairwiseOnDemand]: 458/461 looper letters, 11 selfloop transitions, 2 changer transitions 0/411 dead transitions. [2024-11-16 23:42:44,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 411 transitions, 854 flow [2024-11-16 23:42:44,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:44,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:44,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1304 transitions. [2024-11-16 23:42:44,252 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9428778018799711 [2024-11-16 23:42:44,252 INFO L175 Difference]: Start difference. First operand has 407 places, 412 transitions, 830 flow. Second operand 3 states and 1304 transitions. [2024-11-16 23:42:44,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 411 transitions, 854 flow [2024-11-16 23:42:44,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 411 transitions, 853 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:42:44,259 INFO L231 Difference]: Finished difference. Result has 407 places, 411 transitions, 831 flow [2024-11-16 23:42:44,260 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=827, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=831, PETRI_PLACES=407, PETRI_TRANSITIONS=411} [2024-11-16 23:42:44,261 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -15 predicate places. [2024-11-16 23:42:44,261 INFO L471 AbstractCegarLoop]: Abstraction has has 407 places, 411 transitions, 831 flow [2024-11-16 23:42:44,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 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) [2024-11-16 23:42:44,262 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:44,263 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] [2024-11-16 23:42:44,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:42:44,263 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:44,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:44,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1550268045, now seen corresponding path program 1 times [2024-11-16 23:42:44,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:44,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973692609] [2024-11-16 23:42:44,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:44,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:44,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:44,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:44,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973692609] [2024-11-16 23:42:44,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973692609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:44,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:44,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:42:44,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781994396] [2024-11-16 23:42:44,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:44,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:42:44,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:44,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:42:44,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:42:45,208 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 381 out of 461 [2024-11-16 23:42:45,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 411 transitions, 831 flow. Second operand has 6 states, 6 states have (on average 382.5) internal successors, (2295), 6 states have internal predecessors, (2295), 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) [2024-11-16 23:42:45,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:45,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 381 of 461 [2024-11-16 23:42:45,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:45,641 INFO L124 PetriNetUnfolderBase]: 393/2913 cut-off events. [2024-11-16 23:42:45,641 INFO L125 PetriNetUnfolderBase]: For 46/47 co-relation queries the response was YES. [2024-11-16 23:42:45,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3637 conditions, 2913 events. 393/2913 cut-off events. For 46/47 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 22361 event pairs, 288 based on Foata normal form. 0/2515 useless extension candidates. Maximal degree in co-relation 3600. Up to 691 conditions per place. [2024-11-16 23:42:45,665 INFO L140 encePairwiseOnDemand]: 449/461 looper letters, 52 selfloop transitions, 10 changer transitions 0/409 dead transitions. [2024-11-16 23:42:45,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 409 transitions, 951 flow [2024-11-16 23:42:45,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:42:45,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:42:45,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2350 transitions. [2024-11-16 23:42:45,670 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8496023138105567 [2024-11-16 23:42:45,670 INFO L175 Difference]: Start difference. First operand has 407 places, 411 transitions, 831 flow. Second operand 6 states and 2350 transitions. [2024-11-16 23:42:45,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 409 transitions, 951 flow [2024-11-16 23:42:45,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 409 transitions, 947 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:45,677 INFO L231 Difference]: Finished difference. Result has 408 places, 409 transitions, 843 flow [2024-11-16 23:42:45,678 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=823, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=843, PETRI_PLACES=408, PETRI_TRANSITIONS=409} [2024-11-16 23:42:45,679 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -14 predicate places. [2024-11-16 23:42:45,679 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 409 transitions, 843 flow [2024-11-16 23:42:45,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 382.5) internal successors, (2295), 6 states have internal predecessors, (2295), 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) [2024-11-16 23:42:45,682 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:45,682 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] [2024-11-16 23:42:45,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:42:45,683 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:45,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:45,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1966845287, now seen corresponding path program 1 times [2024-11-16 23:42:45,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:45,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186357904] [2024-11-16 23:42:45,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:45,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:45,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:45,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:45,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186357904] [2024-11-16 23:42:45,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186357904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:45,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:45,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:45,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835461153] [2024-11-16 23:42:45,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:45,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:45,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:45,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:45,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:45,749 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 461 [2024-11-16 23:42:45,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 409 transitions, 843 flow. Second operand has 3 states, 3 states have (on average 426.0) internal successors, (1278), 3 states have internal predecessors, (1278), 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) [2024-11-16 23:42:45,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:45,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 461 [2024-11-16 23:42:45,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:45,926 INFO L124 PetriNetUnfolderBase]: 65/1349 cut-off events. [2024-11-16 23:42:45,926 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-16 23:42:45,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1439 conditions, 1349 events. 65/1349 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7701 event pairs, 24 based on Foata normal form. 0/1172 useless extension candidates. Maximal degree in co-relation 1406. Up to 69 conditions per place. [2024-11-16 23:42:45,942 INFO L140 encePairwiseOnDemand]: 455/461 looper letters, 14 selfloop transitions, 1 changer transitions 0/404 dead transitions. [2024-11-16 23:42:45,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 404 transitions, 863 flow [2024-11-16 23:42:45,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:45,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:45,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-11-16 23:42:45,945 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9363702096890817 [2024-11-16 23:42:45,945 INFO L175 Difference]: Start difference. First operand has 408 places, 409 transitions, 843 flow. Second operand 3 states and 1295 transitions. [2024-11-16 23:42:45,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 404 transitions, 863 flow [2024-11-16 23:42:45,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 404 transitions, 843 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:42:45,953 INFO L231 Difference]: Finished difference. Result has 400 places, 404 transitions, 815 flow [2024-11-16 23:42:45,954 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=813, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=815, PETRI_PLACES=400, PETRI_TRANSITIONS=404} [2024-11-16 23:42:45,956 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -22 predicate places. [2024-11-16 23:42:45,957 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 404 transitions, 815 flow [2024-11-16 23:42:45,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 426.0) internal successors, (1278), 3 states have internal predecessors, (1278), 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) [2024-11-16 23:42:45,958 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:45,959 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] [2024-11-16 23:42:45,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:42:45,959 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:45,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:45,960 INFO L85 PathProgramCache]: Analyzing trace with hash -338816508, now seen corresponding path program 1 times [2024-11-16 23:42:45,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:45,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455639321] [2024-11-16 23:42:45,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:45,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:46,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:46,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:46,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455639321] [2024-11-16 23:42:46,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455639321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:46,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:46,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:46,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620789362] [2024-11-16 23:42:46,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:46,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:46,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:46,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:46,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:46,058 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 461 [2024-11-16 23:42:46,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 404 transitions, 815 flow. Second operand has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 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) [2024-11-16 23:42:46,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:46,060 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 461 [2024-11-16 23:42:46,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:46,138 INFO L124 PetriNetUnfolderBase]: 24/635 cut-off events. [2024-11-16 23:42:46,138 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-16 23:42:46,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 635 events. 24/635 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2063 event pairs, 8 based on Foata normal form. 0/563 useless extension candidates. Maximal degree in co-relation 635. Up to 28 conditions per place. [2024-11-16 23:42:46,144 INFO L140 encePairwiseOnDemand]: 458/461 looper letters, 11 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2024-11-16 23:42:46,144 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 403 transitions, 839 flow [2024-11-16 23:42:46,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:46,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:46,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1304 transitions. [2024-11-16 23:42:46,147 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9428778018799711 [2024-11-16 23:42:46,147 INFO L175 Difference]: Start difference. First operand has 400 places, 404 transitions, 815 flow. Second operand 3 states and 1304 transitions. [2024-11-16 23:42:46,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 403 transitions, 839 flow [2024-11-16 23:42:46,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 403 transitions, 838 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:42:46,154 INFO L231 Difference]: Finished difference. Result has 400 places, 403 transitions, 816 flow [2024-11-16 23:42:46,155 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=400, PETRI_TRANSITIONS=403} [2024-11-16 23:42:46,156 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -22 predicate places. [2024-11-16 23:42:46,156 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 403 transitions, 816 flow [2024-11-16 23:42:46,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 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) [2024-11-16 23:42:46,157 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:46,158 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:46,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:42:46,158 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:46,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:46,158 INFO L85 PathProgramCache]: Analyzing trace with hash 398992814, now seen corresponding path program 1 times [2024-11-16 23:42:46,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:46,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542768579] [2024-11-16 23:42:46,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:46,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:46,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:46,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:46,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542768579] [2024-11-16 23:42:46,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542768579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:46,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:46,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:46,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486046809] [2024-11-16 23:42:46,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:46,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:46,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:46,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:46,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:46,238 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 432 out of 461 [2024-11-16 23:42:46,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 403 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 433.3333333333333) internal successors, (1300), 3 states have internal predecessors, (1300), 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) [2024-11-16 23:42:46,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:46,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 432 of 461 [2024-11-16 23:42:46,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:46,311 INFO L124 PetriNetUnfolderBase]: 21/617 cut-off events. [2024-11-16 23:42:46,312 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-16 23:42:46,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 653 conditions, 617 events. 21/617 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1999 event pairs, 3 based on Foata normal form. 1/550 useless extension candidates. Maximal degree in co-relation 616. Up to 17 conditions per place. [2024-11-16 23:42:46,317 INFO L140 encePairwiseOnDemand]: 458/461 looper letters, 11 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2024-11-16 23:42:46,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 403 transitions, 843 flow [2024-11-16 23:42:46,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:46,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:46,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1310 transitions. [2024-11-16 23:42:46,320 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9472161966738973 [2024-11-16 23:42:46,320 INFO L175 Difference]: Start difference. First operand has 400 places, 403 transitions, 816 flow. Second operand 3 states and 1310 transitions. [2024-11-16 23:42:46,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 403 transitions, 843 flow [2024-11-16 23:42:46,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 403 transitions, 839 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:46,326 INFO L231 Difference]: Finished difference. Result has 399 places, 402 transitions, 814 flow [2024-11-16 23:42:46,327 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=399, PETRI_TRANSITIONS=402} [2024-11-16 23:42:46,327 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -23 predicate places. [2024-11-16 23:42:46,327 INFO L471 AbstractCegarLoop]: Abstraction has has 399 places, 402 transitions, 814 flow [2024-11-16 23:42:46,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 433.3333333333333) internal successors, (1300), 3 states have internal predecessors, (1300), 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) [2024-11-16 23:42:46,328 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:46,329 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:46,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:42:46,329 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:46,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:46,329 INFO L85 PathProgramCache]: Analyzing trace with hash -955177199, now seen corresponding path program 1 times [2024-11-16 23:42:46,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:46,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840848227] [2024-11-16 23:42:46,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:46,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:46,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:46,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:46,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840848227] [2024-11-16 23:42:46,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840848227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:46,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:46,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:46,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403018633] [2024-11-16 23:42:46,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:46,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:46,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:46,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:46,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:46,410 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 432 out of 461 [2024-11-16 23:42:46,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 402 transitions, 814 flow. Second operand has 3 states, 3 states have (on average 433.6666666666667) internal successors, (1301), 3 states have internal predecessors, (1301), 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) [2024-11-16 23:42:46,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:46,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 432 of 461 [2024-11-16 23:42:46,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:46,466 INFO L124 PetriNetUnfolderBase]: 18/506 cut-off events. [2024-11-16 23:42:46,466 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-11-16 23:42:46,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 537 conditions, 506 events. 18/506 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1289 event pairs, 2 based on Foata normal form. 0/452 useless extension candidates. Maximal degree in co-relation 500. Up to 17 conditions per place. [2024-11-16 23:42:46,470 INFO L140 encePairwiseOnDemand]: 458/461 looper letters, 11 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-11-16 23:42:46,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 402 transitions, 841 flow [2024-11-16 23:42:46,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:46,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:46,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1310 transitions. [2024-11-16 23:42:46,473 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9472161966738973 [2024-11-16 23:42:46,474 INFO L175 Difference]: Start difference. First operand has 399 places, 402 transitions, 814 flow. Second operand 3 states and 1310 transitions. [2024-11-16 23:42:46,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 402 transitions, 841 flow [2024-11-16 23:42:46,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 402 transitions, 837 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:46,480 INFO L231 Difference]: Finished difference. Result has 398 places, 401 transitions, 812 flow [2024-11-16 23:42:46,481 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=812, PETRI_PLACES=398, PETRI_TRANSITIONS=401} [2024-11-16 23:42:46,481 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -24 predicate places. [2024-11-16 23:42:46,482 INFO L471 AbstractCegarLoop]: Abstraction has has 398 places, 401 transitions, 812 flow [2024-11-16 23:42:46,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 433.6666666666667) internal successors, (1301), 3 states have internal predecessors, (1301), 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) [2024-11-16 23:42:46,483 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:46,483 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:46,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:42:46,483 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:46,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:46,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1287088826, now seen corresponding path program 1 times [2024-11-16 23:42:46,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:46,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926204928] [2024-11-16 23:42:46,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:46,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:46,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:46,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:46,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926204928] [2024-11-16 23:42:46,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926204928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:46,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:46,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:42:46,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774971502] [2024-11-16 23:42:46,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:46,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:46,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:46,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:46,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:46,549 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 433 out of 461 [2024-11-16 23:42:46,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 401 transitions, 812 flow. Second operand has 3 states, 3 states have (on average 434.6666666666667) internal successors, (1304), 3 states have internal predecessors, (1304), 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) [2024-11-16 23:42:46,550 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:46,550 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 433 of 461 [2024-11-16 23:42:46,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:46,617 INFO L124 PetriNetUnfolderBase]: 24/617 cut-off events. [2024-11-16 23:42:46,617 INFO L125 PetriNetUnfolderBase]: For 2/10 co-relation queries the response was YES. [2024-11-16 23:42:46,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 667 conditions, 617 events. 24/617 cut-off events. For 2/10 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1956 event pairs, 6 based on Foata normal form. 1/552 useless extension candidates. Maximal degree in co-relation 630. Up to 24 conditions per place. [2024-11-16 23:42:46,621 INFO L140 encePairwiseOnDemand]: 457/461 looper letters, 11 selfloop transitions, 3 changer transitions 0/403 dead transitions. [2024-11-16 23:42:46,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 403 transitions, 845 flow [2024-11-16 23:42:46,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:46,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:46,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1314 transitions. [2024-11-16 23:42:46,624 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9501084598698482 [2024-11-16 23:42:46,624 INFO L175 Difference]: Start difference. First operand has 398 places, 401 transitions, 812 flow. Second operand 3 states and 1314 transitions. [2024-11-16 23:42:46,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 403 transitions, 845 flow [2024-11-16 23:42:46,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 403 transitions, 841 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:46,632 INFO L231 Difference]: Finished difference. Result has 400 places, 402 transitions, 826 flow [2024-11-16 23:42:46,634 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=400, PETRI_TRANSITIONS=402} [2024-11-16 23:42:46,634 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -22 predicate places. [2024-11-16 23:42:46,635 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 402 transitions, 826 flow [2024-11-16 23:42:46,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 434.6666666666667) internal successors, (1304), 3 states have internal predecessors, (1304), 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) [2024-11-16 23:42:46,635 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:46,636 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:46,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:42:46,636 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:46,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:46,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1799118275, now seen corresponding path program 1 times [2024-11-16 23:42:46,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:46,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334480764] [2024-11-16 23:42:46,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:46,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:46,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:46,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:46,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334480764] [2024-11-16 23:42:46,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334480764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:46,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:46,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:46,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43962609] [2024-11-16 23:42:46,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:46,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:46,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:46,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:46,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:46,715 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 461 [2024-11-16 23:42:46,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 402 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 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) [2024-11-16 23:42:46,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:46,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 461 [2024-11-16 23:42:46,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:46,841 INFO L124 PetriNetUnfolderBase]: 69/1227 cut-off events. [2024-11-16 23:42:46,841 INFO L125 PetriNetUnfolderBase]: For 22/23 co-relation queries the response was YES. [2024-11-16 23:42:46,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1355 conditions, 1227 events. 69/1227 cut-off events. For 22/23 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6602 event pairs, 12 based on Foata normal form. 0/1093 useless extension candidates. Maximal degree in co-relation 1317. Up to 79 conditions per place. [2024-11-16 23:42:46,854 INFO L140 encePairwiseOnDemand]: 455/461 looper letters, 16 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2024-11-16 23:42:46,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 403 transitions, 867 flow [2024-11-16 23:42:46,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:46,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:46,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1306 transitions. [2024-11-16 23:42:46,857 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9443239334779465 [2024-11-16 23:42:46,857 INFO L175 Difference]: Start difference. First operand has 400 places, 402 transitions, 826 flow. Second operand 3 states and 1306 transitions. [2024-11-16 23:42:46,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 403 transitions, 867 flow [2024-11-16 23:42:46,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 403 transitions, 861 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:46,863 INFO L231 Difference]: Finished difference. Result has 397 places, 400 transitions, 826 flow [2024-11-16 23:42:46,864 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=397, PETRI_TRANSITIONS=400} [2024-11-16 23:42:46,864 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -25 predicate places. [2024-11-16 23:42:46,865 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 400 transitions, 826 flow [2024-11-16 23:42:46,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 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) [2024-11-16 23:42:46,866 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:46,866 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] [2024-11-16 23:42:46,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:42:46,866 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:46,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:46,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1703165984, now seen corresponding path program 1 times [2024-11-16 23:42:46,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:46,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599667048] [2024-11-16 23:42:46,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:46,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:47,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:47,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:47,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599667048] [2024-11-16 23:42:47,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599667048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:47,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:47,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 23:42:47,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260426618] [2024-11-16 23:42:47,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:47,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 23:42:47,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:47,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 23:42:47,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-16 23:42:47,405 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 461 [2024-11-16 23:42:47,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 400 transitions, 826 flow. Second operand has 8 states, 8 states have (on average 414.125) internal successors, (3313), 8 states have internal predecessors, (3313), 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) [2024-11-16 23:42:47,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:47,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 461 [2024-11-16 23:42:47,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:47,691 INFO L124 PetriNetUnfolderBase]: 57/1048 cut-off events. [2024-11-16 23:42:47,692 INFO L125 PetriNetUnfolderBase]: For 6/22 co-relation queries the response was YES. [2024-11-16 23:42:47,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1260 conditions, 1048 events. 57/1048 cut-off events. For 6/22 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4755 event pairs, 14 based on Foata normal form. 5/960 useless extension candidates. Maximal degree in co-relation 1220. Up to 70 conditions per place. [2024-11-16 23:42:47,701 INFO L140 encePairwiseOnDemand]: 445/461 looper letters, 43 selfloop transitions, 18 changer transitions 0/426 dead transitions. [2024-11-16 23:42:47,701 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 426 transitions, 1013 flow [2024-11-16 23:42:47,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 23:42:47,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-16 23:42:47,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 4994 transitions. [2024-11-16 23:42:47,711 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9027476500361533 [2024-11-16 23:42:47,711 INFO L175 Difference]: Start difference. First operand has 397 places, 400 transitions, 826 flow. Second operand 12 states and 4994 transitions. [2024-11-16 23:42:47,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 426 transitions, 1013 flow [2024-11-16 23:42:47,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 426 transitions, 1013 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:42:47,719 INFO L231 Difference]: Finished difference. Result has 414 places, 409 transitions, 919 flow [2024-11-16 23:42:47,720 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=919, PETRI_PLACES=414, PETRI_TRANSITIONS=409} [2024-11-16 23:42:47,720 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -8 predicate places. [2024-11-16 23:42:47,720 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 409 transitions, 919 flow [2024-11-16 23:42:47,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 414.125) internal successors, (3313), 8 states have internal predecessors, (3313), 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) [2024-11-16 23:42:47,723 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:47,723 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:47,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:42:47,724 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:47,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:47,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1525406841, now seen corresponding path program 1 times [2024-11-16 23:42:47,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:47,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264538648] [2024-11-16 23:42:47,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:47,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:47,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:47,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:47,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264538648] [2024-11-16 23:42:47,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264538648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:47,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:47,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:42:47,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921856566] [2024-11-16 23:42:47,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:47,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:47,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:47,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:47,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:47,783 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 433 out of 461 [2024-11-16 23:42:47,785 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 409 transitions, 919 flow. Second operand has 3 states, 3 states have (on average 435.0) internal successors, (1305), 3 states have internal predecessors, (1305), 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) [2024-11-16 23:42:47,785 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:47,785 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 433 of 461 [2024-11-16 23:42:47,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:47,927 INFO L124 PetriNetUnfolderBase]: 86/1155 cut-off events. [2024-11-16 23:42:47,928 INFO L125 PetriNetUnfolderBase]: For 73/76 co-relation queries the response was YES. [2024-11-16 23:42:47,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1392 conditions, 1155 events. 86/1155 cut-off events. For 73/76 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6103 event pairs, 24 based on Foata normal form. 0/1034 useless extension candidates. Maximal degree in co-relation 1344. Up to 98 conditions per place. [2024-11-16 23:42:47,939 INFO L140 encePairwiseOnDemand]: 457/461 looper letters, 11 selfloop transitions, 3 changer transitions 0/411 dead transitions. [2024-11-16 23:42:47,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 411 transitions, 952 flow [2024-11-16 23:42:47,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:47,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:47,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1314 transitions. [2024-11-16 23:42:47,943 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9501084598698482 [2024-11-16 23:42:47,943 INFO L175 Difference]: Start difference. First operand has 414 places, 409 transitions, 919 flow. Second operand 3 states and 1314 transitions. [2024-11-16 23:42:47,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 411 transitions, 952 flow [2024-11-16 23:42:47,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 411 transitions, 952 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:42:47,952 INFO L231 Difference]: Finished difference. Result has 418 places, 410 transitions, 937 flow [2024-11-16 23:42:47,952 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=919, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=937, PETRI_PLACES=418, PETRI_TRANSITIONS=410} [2024-11-16 23:42:47,953 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -4 predicate places. [2024-11-16 23:42:47,953 INFO L471 AbstractCegarLoop]: Abstraction has has 418 places, 410 transitions, 937 flow [2024-11-16 23:42:47,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 435.0) internal successors, (1305), 3 states have internal predecessors, (1305), 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) [2024-11-16 23:42:47,954 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:47,955 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] [2024-11-16 23:42:47,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:42:47,955 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:47,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:47,955 INFO L85 PathProgramCache]: Analyzing trace with hash 652210211, now seen corresponding path program 1 times [2024-11-16 23:42:47,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:47,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005844217] [2024-11-16 23:42:47,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:47,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:48,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:48,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:48,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005844217] [2024-11-16 23:42:48,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005844217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:48,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:48,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 23:42:48,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282704217] [2024-11-16 23:42:48,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:48,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 23:42:48,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:48,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 23:42:48,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-16 23:42:48,671 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 461 [2024-11-16 23:42:48,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 410 transitions, 937 flow. Second operand has 8 states, 8 states have (on average 414.25) internal successors, (3314), 8 states have internal predecessors, (3314), 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) [2024-11-16 23:42:48,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:48,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 461 [2024-11-16 23:42:48,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:48,897 INFO L124 PetriNetUnfolderBase]: 68/919 cut-off events. [2024-11-16 23:42:48,897 INFO L125 PetriNetUnfolderBase]: For 86/89 co-relation queries the response was YES. [2024-11-16 23:42:48,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1203 conditions, 919 events. 68/919 cut-off events. For 86/89 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4073 event pairs, 20 based on Foata normal form. 2/849 useless extension candidates. Maximal degree in co-relation 1151. Up to 105 conditions per place. [2024-11-16 23:42:48,906 INFO L140 encePairwiseOnDemand]: 447/461 looper letters, 45 selfloop transitions, 15 changer transitions 0/430 dead transitions. [2024-11-16 23:42:48,907 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 430 transitions, 1113 flow [2024-11-16 23:42:48,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 23:42:48,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-16 23:42:48,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4581 transitions. [2024-11-16 23:42:48,915 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9033721159534609 [2024-11-16 23:42:48,915 INFO L175 Difference]: Start difference. First operand has 418 places, 410 transitions, 937 flow. Second operand 11 states and 4581 transitions. [2024-11-16 23:42:48,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 430 transitions, 1113 flow [2024-11-16 23:42:48,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 430 transitions, 1103 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:48,927 INFO L231 Difference]: Finished difference. Result has 429 places, 413 transitions, 986 flow [2024-11-16 23:42:48,927 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=931, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=986, PETRI_PLACES=429, PETRI_TRANSITIONS=413} [2024-11-16 23:42:48,928 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, 7 predicate places. [2024-11-16 23:42:48,928 INFO L471 AbstractCegarLoop]: Abstraction has has 429 places, 413 transitions, 986 flow [2024-11-16 23:42:48,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 414.25) internal successors, (3314), 8 states have internal predecessors, (3314), 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) [2024-11-16 23:42:48,930 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:48,930 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:48,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:42:48,930 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:48,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:48,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1335859610, now seen corresponding path program 1 times [2024-11-16 23:42:48,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:48,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134383126] [2024-11-16 23:42:48,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:48,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:49,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:42:49,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:49,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134383126] [2024-11-16 23:42:49,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134383126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:49,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:49,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 23:42:49,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196397000] [2024-11-16 23:42:49,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:49,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 23:42:49,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:49,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 23:42:49,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-16 23:42:49,491 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 461 [2024-11-16 23:42:49,494 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 413 transitions, 986 flow. Second operand has 8 states, 8 states have (on average 414.25) internal successors, (3314), 8 states have internal predecessors, (3314), 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) [2024-11-16 23:42:49,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:49,495 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 461 [2024-11-16 23:42:49,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:49,735 INFO L124 PetriNetUnfolderBase]: 75/1350 cut-off events. [2024-11-16 23:42:49,736 INFO L125 PetriNetUnfolderBase]: For 115/133 co-relation queries the response was YES. [2024-11-16 23:42:49,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1826 conditions, 1350 events. 75/1350 cut-off events. For 115/133 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 6865 event pairs, 23 based on Foata normal form. 4/1255 useless extension candidates. Maximal degree in co-relation 1768. Up to 114 conditions per place. [2024-11-16 23:42:49,748 INFO L140 encePairwiseOnDemand]: 446/461 looper letters, 48 selfloop transitions, 19 changer transitions 0/436 dead transitions. [2024-11-16 23:42:49,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 436 transitions, 1213 flow [2024-11-16 23:42:49,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 23:42:49,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-16 23:42:49,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4574 transitions. [2024-11-16 23:42:49,757 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9019917176099389 [2024-11-16 23:42:49,757 INFO L175 Difference]: Start difference. First operand has 429 places, 413 transitions, 986 flow. Second operand 11 states and 4574 transitions. [2024-11-16 23:42:49,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 436 transitions, 1213 flow [2024-11-16 23:42:49,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 436 transitions, 1192 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-11-16 23:42:49,766 INFO L231 Difference]: Finished difference. Result has 437 places, 425 transitions, 1097 flow [2024-11-16 23:42:49,766 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=965, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1097, PETRI_PLACES=437, PETRI_TRANSITIONS=425} [2024-11-16 23:42:49,767 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, 15 predicate places. [2024-11-16 23:42:49,767 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 425 transitions, 1097 flow [2024-11-16 23:42:49,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 414.25) internal successors, (3314), 8 states have internal predecessors, (3314), 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) [2024-11-16 23:42:49,768 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:49,769 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:49,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 23:42:49,769 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:49,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:49,769 INFO L85 PathProgramCache]: Analyzing trace with hash -2139371031, now seen corresponding path program 1 times [2024-11-16 23:42:49,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:49,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76745179] [2024-11-16 23:42:49,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:49,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:49,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:42:49,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:49,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76745179] [2024-11-16 23:42:49,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76745179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:49,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:49,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 23:42:49,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080011135] [2024-11-16 23:42:49,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:49,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 23:42:49,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:49,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 23:42:49,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-16 23:42:50,348 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 461 [2024-11-16 23:42:50,351 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 425 transitions, 1097 flow. Second operand has 8 states, 8 states have (on average 414.375) internal successors, (3315), 8 states have internal predecessors, (3315), 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) [2024-11-16 23:42:50,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:50,352 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 461 [2024-11-16 23:42:50,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:50,602 INFO L124 PetriNetUnfolderBase]: 87/1213 cut-off events. [2024-11-16 23:42:50,603 INFO L125 PetriNetUnfolderBase]: For 214/219 co-relation queries the response was YES. [2024-11-16 23:42:50,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1696 conditions, 1213 events. 87/1213 cut-off events. For 214/219 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 6243 event pairs, 23 based on Foata normal form. 0/1122 useless extension candidates. Maximal degree in co-relation 1631. Up to 101 conditions per place. [2024-11-16 23:42:50,616 INFO L140 encePairwiseOnDemand]: 445/461 looper letters, 44 selfloop transitions, 22 changer transitions 0/443 dead transitions. [2024-11-16 23:42:50,616 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 443 transitions, 1302 flow [2024-11-16 23:42:50,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 23:42:50,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-16 23:42:50,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 4987 transitions. [2024-11-16 23:42:50,625 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9014822848879248 [2024-11-16 23:42:50,625 INFO L175 Difference]: Start difference. First operand has 437 places, 425 transitions, 1097 flow. Second operand 12 states and 4987 transitions. [2024-11-16 23:42:50,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 443 transitions, 1302 flow [2024-11-16 23:42:50,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 443 transitions, 1298 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:42:50,634 INFO L231 Difference]: Finished difference. Result has 451 places, 432 transitions, 1204 flow [2024-11-16 23:42:50,635 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=1093, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1204, PETRI_PLACES=451, PETRI_TRANSITIONS=432} [2024-11-16 23:42:50,635 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, 29 predicate places. [2024-11-16 23:42:50,635 INFO L471 AbstractCegarLoop]: Abstraction has has 451 places, 432 transitions, 1204 flow [2024-11-16 23:42:50,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 414.375) internal successors, (3315), 8 states have internal predecessors, (3315), 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) [2024-11-16 23:42:50,637 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:50,637 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] [2024-11-16 23:42:50,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 23:42:50,637 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:50,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:50,638 INFO L85 PathProgramCache]: Analyzing trace with hash 579018799, now seen corresponding path program 1 times [2024-11-16 23:42:50,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:50,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693927144] [2024-11-16 23:42:50,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:50,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:50,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:50,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:50,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693927144] [2024-11-16 23:42:50,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693927144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:50,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:50,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:50,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153746663] [2024-11-16 23:42:50,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:50,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:50,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:50,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:50,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:50,700 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 461 [2024-11-16 23:42:50,702 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 432 transitions, 1204 flow. Second operand has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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) [2024-11-16 23:42:50,702 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:50,702 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 461 [2024-11-16 23:42:50,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:50,872 INFO L124 PetriNetUnfolderBase]: 43/1289 cut-off events. [2024-11-16 23:42:50,873 INFO L125 PetriNetUnfolderBase]: For 226/237 co-relation queries the response was YES. [2024-11-16 23:42:50,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1758 conditions, 1289 events. 43/1289 cut-off events. For 226/237 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 5476 event pairs, 5 based on Foata normal form. 0/1213 useless extension candidates. Maximal degree in co-relation 1689. Up to 36 conditions per place. [2024-11-16 23:42:50,885 INFO L140 encePairwiseOnDemand]: 457/461 looper letters, 11 selfloop transitions, 1 changer transitions 0/429 dead transitions. [2024-11-16 23:42:50,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 429 transitions, 1222 flow [2024-11-16 23:42:50,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:50,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:50,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1305 transitions. [2024-11-16 23:42:50,888 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9436008676789588 [2024-11-16 23:42:50,888 INFO L175 Difference]: Start difference. First operand has 451 places, 432 transitions, 1204 flow. Second operand 3 states and 1305 transitions. [2024-11-16 23:42:50,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 429 transitions, 1222 flow [2024-11-16 23:42:50,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 429 transitions, 1205 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-16 23:42:50,897 INFO L231 Difference]: Finished difference. Result has 444 places, 429 transitions, 1183 flow [2024-11-16 23:42:50,897 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=1181, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1183, PETRI_PLACES=444, PETRI_TRANSITIONS=429} [2024-11-16 23:42:50,898 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, 22 predicate places. [2024-11-16 23:42:50,898 INFO L471 AbstractCegarLoop]: Abstraction has has 444 places, 429 transitions, 1183 flow [2024-11-16 23:42:50,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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) [2024-11-16 23:42:50,899 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:50,900 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] [2024-11-16 23:42:50,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 23:42:50,900 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:50,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:50,900 INFO L85 PathProgramCache]: Analyzing trace with hash 625378697, now seen corresponding path program 1 times [2024-11-16 23:42:50,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:50,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995229706] [2024-11-16 23:42:50,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:50,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:50,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:50,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995229706] [2024-11-16 23:42:50,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995229706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:50,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:50,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:50,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410695683] [2024-11-16 23:42:50,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:50,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:50,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:50,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:50,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:50,957 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 461 [2024-11-16 23:42:50,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 429 transitions, 1183 flow. Second operand has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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) [2024-11-16 23:42:50,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:50,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 461 [2024-11-16 23:42:50,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:51,146 INFO L124 PetriNetUnfolderBase]: 46/1249 cut-off events. [2024-11-16 23:42:51,147 INFO L125 PetriNetUnfolderBase]: For 196/201 co-relation queries the response was YES. [2024-11-16 23:42:51,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1680 conditions, 1249 events. 46/1249 cut-off events. For 196/201 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 5746 event pairs, 6 based on Foata normal form. 5/1193 useless extension candidates. Maximal degree in co-relation 1610. Up to 38 conditions per place. [2024-11-16 23:42:51,155 INFO L140 encePairwiseOnDemand]: 455/461 looper letters, 5 selfloop transitions, 0 changer transitions 67/428 dead transitions. [2024-11-16 23:42:51,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 428 transitions, 1207 flow [2024-11-16 23:42:51,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:51,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:51,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1306 transitions. [2024-11-16 23:42:51,159 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9443239334779465 [2024-11-16 23:42:51,159 INFO L175 Difference]: Start difference. First operand has 444 places, 429 transitions, 1183 flow. Second operand 3 states and 1306 transitions. [2024-11-16 23:42:51,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 428 transitions, 1207 flow [2024-11-16 23:42:51,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 428 transitions, 1206 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:42:51,168 INFO L231 Difference]: Finished difference. Result has 442 places, 361 transitions, 873 flow [2024-11-16 23:42:51,169 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=1176, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=873, PETRI_PLACES=442, PETRI_TRANSITIONS=361} [2024-11-16 23:42:51,169 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, 20 predicate places. [2024-11-16 23:42:51,169 INFO L471 AbstractCegarLoop]: Abstraction has has 442 places, 361 transitions, 873 flow [2024-11-16 23:42:51,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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) [2024-11-16 23:42:51,170 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:51,170 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:51,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 23:42:51,171 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:51,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:51,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1390096823, now seen corresponding path program 1 times [2024-11-16 23:42:51,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:51,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189049188] [2024-11-16 23:42:51,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:51,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:51,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:42:51,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:51,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189049188] [2024-11-16 23:42:51,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189049188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:51,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:51,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:42:51,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048635989] [2024-11-16 23:42:51,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:51,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:42:51,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:51,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:42:51,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:42:52,180 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 461 [2024-11-16 23:42:52,183 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 361 transitions, 873 flow. Second operand has 6 states, 6 states have (on average 419.8333333333333) internal successors, (2519), 6 states have internal predecessors, (2519), 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) [2024-11-16 23:42:52,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:52,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 461 [2024-11-16 23:42:52,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:52,300 INFO L124 PetriNetUnfolderBase]: 29/652 cut-off events. [2024-11-16 23:42:52,301 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2024-11-16 23:42:52,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 913 conditions, 652 events. 29/652 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1917 event pairs, 2 based on Foata normal form. 0/614 useless extension candidates. Maximal degree in co-relation 889. Up to 29 conditions per place. [2024-11-16 23:42:52,310 INFO L140 encePairwiseOnDemand]: 454/461 looper letters, 25 selfloop transitions, 5 changer transitions 0/364 dead transitions. [2024-11-16 23:42:52,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 364 transitions, 944 flow [2024-11-16 23:42:52,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:42:52,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:42:52,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2534 transitions. [2024-11-16 23:42:52,317 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9161243673174259 [2024-11-16 23:42:52,318 INFO L175 Difference]: Start difference. First operand has 442 places, 361 transitions, 873 flow. Second operand 6 states and 2534 transitions. [2024-11-16 23:42:52,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 364 transitions, 944 flow [2024-11-16 23:42:52,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 364 transitions, 858 flow, removed 17 selfloop flow, removed 26 redundant places. [2024-11-16 23:42:52,325 INFO L231 Difference]: Finished difference. Result has 369 places, 359 transitions, 793 flow [2024-11-16 23:42:52,326 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=793, PETRI_PLACES=369, PETRI_TRANSITIONS=359} [2024-11-16 23:42:52,326 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -53 predicate places. [2024-11-16 23:42:52,326 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 359 transitions, 793 flow [2024-11-16 23:42:52,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 419.8333333333333) internal successors, (2519), 6 states have internal predecessors, (2519), 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) [2024-11-16 23:42:52,327 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:52,327 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:52,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 23:42:52,328 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:52,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:52,328 INFO L85 PathProgramCache]: Analyzing trace with hash 148247736, now seen corresponding path program 1 times [2024-11-16 23:42:52,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:52,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087860167] [2024-11-16 23:42:52,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:52,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:52,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:42:52,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:52,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087860167] [2024-11-16 23:42:52,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087860167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:52,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:52,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:52,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157886058] [2024-11-16 23:42:52,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:52,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:52,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:52,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:52,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:52,411 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 461 [2024-11-16 23:42:52,413 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 359 transitions, 793 flow. Second operand has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 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) [2024-11-16 23:42:52,413 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:52,413 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 461 [2024-11-16 23:42:52,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:52,609 INFO L124 PetriNetUnfolderBase]: 68/1263 cut-off events. [2024-11-16 23:42:52,609 INFO L125 PetriNetUnfolderBase]: For 37/38 co-relation queries the response was YES. [2024-11-16 23:42:52,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1483 conditions, 1263 events. 68/1263 cut-off events. For 37/38 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 6585 event pairs, 17 based on Foata normal form. 0/1170 useless extension candidates. Maximal degree in co-relation 1472. Up to 85 conditions per place. [2024-11-16 23:42:52,615 INFO L140 encePairwiseOnDemand]: 455/461 looper letters, 14 selfloop transitions, 2 changer transitions 0/359 dead transitions. [2024-11-16 23:42:52,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 359 transitions, 827 flow [2024-11-16 23:42:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:52,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:52,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1304 transitions. [2024-11-16 23:42:52,620 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9428778018799711 [2024-11-16 23:42:52,620 INFO L175 Difference]: Start difference. First operand has 369 places, 359 transitions, 793 flow. Second operand 3 states and 1304 transitions. [2024-11-16 23:42:52,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 359 transitions, 827 flow [2024-11-16 23:42:52,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 359 transitions, 817 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:42:52,625 INFO L231 Difference]: Finished difference. Result has 363 places, 357 transitions, 789 flow [2024-11-16 23:42:52,625 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=775, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=789, PETRI_PLACES=363, PETRI_TRANSITIONS=357} [2024-11-16 23:42:52,626 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -59 predicate places. [2024-11-16 23:42:52,626 INFO L471 AbstractCegarLoop]: Abstraction has has 363 places, 357 transitions, 789 flow [2024-11-16 23:42:52,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 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) [2024-11-16 23:42:52,626 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:52,627 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:52,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 23:42:52,627 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:52,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:52,629 INFO L85 PathProgramCache]: Analyzing trace with hash 759895162, now seen corresponding path program 1 times [2024-11-16 23:42:52,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:52,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231375732] [2024-11-16 23:42:52,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:52,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:53,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:42:53,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:53,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231375732] [2024-11-16 23:42:53,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231375732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:53,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:53,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:42:53,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638803451] [2024-11-16 23:42:53,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:53,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:42:53,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:53,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:42:53,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:42:53,630 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 461 [2024-11-16 23:42:53,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 357 transitions, 789 flow. Second operand has 6 states, 6 states have (on average 420.0) internal successors, (2520), 6 states have internal predecessors, (2520), 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) [2024-11-16 23:42:53,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:53,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 461 [2024-11-16 23:42:53,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:53,762 INFO L124 PetriNetUnfolderBase]: 57/803 cut-off events. [2024-11-16 23:42:53,762 INFO L125 PetriNetUnfolderBase]: For 52/54 co-relation queries the response was YES. [2024-11-16 23:42:53,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1028 conditions, 803 events. 57/803 cut-off events. For 52/54 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3354 event pairs, 4 based on Foata normal form. 0/770 useless extension candidates. Maximal degree in co-relation 1017. Up to 52 conditions per place. [2024-11-16 23:42:53,768 INFO L140 encePairwiseOnDemand]: 454/461 looper letters, 24 selfloop transitions, 5 changer transitions 0/359 dead transitions. [2024-11-16 23:42:53,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 359 transitions, 855 flow [2024-11-16 23:42:53,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:42:53,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:42:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2533 transitions. [2024-11-16 23:42:53,772 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.915762834417932 [2024-11-16 23:42:53,772 INFO L175 Difference]: Start difference. First operand has 363 places, 357 transitions, 789 flow. Second operand 6 states and 2533 transitions. [2024-11-16 23:42:53,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 359 transitions, 855 flow [2024-11-16 23:42:53,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 359 transitions, 855 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:42:53,777 INFO L231 Difference]: Finished difference. Result has 366 places, 355 transitions, 795 flow [2024-11-16 23:42:53,777 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=795, PETRI_PLACES=366, PETRI_TRANSITIONS=355} [2024-11-16 23:42:53,778 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -56 predicate places. [2024-11-16 23:42:53,778 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 355 transitions, 795 flow [2024-11-16 23:42:53,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 420.0) internal successors, (2520), 6 states have internal predecessors, (2520), 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) [2024-11-16 23:42:53,779 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:53,779 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:53,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 23:42:53,779 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:53,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:53,780 INFO L85 PathProgramCache]: Analyzing trace with hash 112836123, now seen corresponding path program 1 times [2024-11-16 23:42:53,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:53,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817637174] [2024-11-16 23:42:53,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:53,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:54,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:42:54,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:54,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817637174] [2024-11-16 23:42:54,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817637174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:54,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:54,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:42:54,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699259468] [2024-11-16 23:42:54,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:54,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:42:54,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:54,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:42:54,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:42:54,718 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 461 [2024-11-16 23:42:54,720 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 355 transitions, 795 flow. Second operand has 6 states, 6 states have (on average 419.8333333333333) internal successors, (2519), 6 states have internal predecessors, (2519), 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) [2024-11-16 23:42:54,720 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:54,720 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 461 [2024-11-16 23:42:54,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:54,837 INFO L124 PetriNetUnfolderBase]: 33/770 cut-off events. [2024-11-16 23:42:54,837 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-16 23:42:54,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 972 conditions, 770 events. 33/770 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2601 event pairs, 3 based on Foata normal form. 0/742 useless extension candidates. Maximal degree in co-relation 960. Up to 29 conditions per place. [2024-11-16 23:42:54,847 INFO L140 encePairwiseOnDemand]: 454/461 looper letters, 25 selfloop transitions, 5 changer transitions 0/358 dead transitions. [2024-11-16 23:42:54,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 358 transitions, 866 flow [2024-11-16 23:42:54,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:42:54,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:42:54,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2534 transitions. [2024-11-16 23:42:54,850 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9161243673174259 [2024-11-16 23:42:54,850 INFO L175 Difference]: Start difference. First operand has 366 places, 355 transitions, 795 flow. Second operand 6 states and 2534 transitions. [2024-11-16 23:42:54,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 358 transitions, 866 flow [2024-11-16 23:42:54,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 358 transitions, 856 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:42:54,856 INFO L231 Difference]: Finished difference. Result has 364 places, 353 transitions, 791 flow [2024-11-16 23:42:54,858 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=791, PETRI_PLACES=364, PETRI_TRANSITIONS=353} [2024-11-16 23:42:54,858 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -58 predicate places. [2024-11-16 23:42:54,858 INFO L471 AbstractCegarLoop]: Abstraction has has 364 places, 353 transitions, 791 flow [2024-11-16 23:42:54,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 419.8333333333333) internal successors, (2519), 6 states have internal predecessors, (2519), 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) [2024-11-16 23:42:54,859 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:54,859 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:54,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 23:42:54,860 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:54,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:54,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1801201826, now seen corresponding path program 1 times [2024-11-16 23:42:54,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:54,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376052198] [2024-11-16 23:42:54,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:54,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:55,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:42:55,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:55,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376052198] [2024-11-16 23:42:55,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376052198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:55,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:55,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:42:55,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968133939] [2024-11-16 23:42:55,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:55,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:42:55,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:55,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:42:55,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:42:55,689 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 461 [2024-11-16 23:42:55,691 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 353 transitions, 791 flow. Second operand has 6 states, 6 states have (on average 420.0) internal successors, (2520), 6 states have internal predecessors, (2520), 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) [2024-11-16 23:42:55,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:55,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 461 [2024-11-16 23:42:55,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:55,836 INFO L124 PetriNetUnfolderBase]: 60/899 cut-off events. [2024-11-16 23:42:55,836 INFO L125 PetriNetUnfolderBase]: For 57/60 co-relation queries the response was YES. [2024-11-16 23:42:55,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1138 conditions, 899 events. 60/899 cut-off events. For 57/60 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4015 event pairs, 6 based on Foata normal form. 0/864 useless extension candidates. Maximal degree in co-relation 1126. Up to 56 conditions per place. [2024-11-16 23:42:55,843 INFO L140 encePairwiseOnDemand]: 454/461 looper letters, 24 selfloop transitions, 5 changer transitions 0/355 dead transitions. [2024-11-16 23:42:55,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 355 transitions, 857 flow [2024-11-16 23:42:55,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:42:55,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:42:55,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2533 transitions. [2024-11-16 23:42:55,847 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.915762834417932 [2024-11-16 23:42:55,847 INFO L175 Difference]: Start difference. First operand has 364 places, 353 transitions, 791 flow. Second operand 6 states and 2533 transitions. [2024-11-16 23:42:55,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 355 transitions, 857 flow [2024-11-16 23:42:55,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 355 transitions, 847 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:42:55,852 INFO L231 Difference]: Finished difference. Result has 362 places, 351 transitions, 787 flow [2024-11-16 23:42:55,853 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=787, PETRI_PLACES=362, PETRI_TRANSITIONS=351} [2024-11-16 23:42:55,853 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -60 predicate places. [2024-11-16 23:42:55,854 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 351 transitions, 787 flow [2024-11-16 23:42:55,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 420.0) internal successors, (2520), 6 states have internal predecessors, (2520), 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) [2024-11-16 23:42:55,854 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:55,855 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:55,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 23:42:55,855 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:55,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:55,855 INFO L85 PathProgramCache]: Analyzing trace with hash 9551152, now seen corresponding path program 1 times [2024-11-16 23:42:55,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:55,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704917376] [2024-11-16 23:42:55,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:55,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:55,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:42:55,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:55,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704917376] [2024-11-16 23:42:55,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704917376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:55,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:55,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:55,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988021050] [2024-11-16 23:42:55,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:55,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:55,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:55,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:55,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:55,980 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 432 out of 461 [2024-11-16 23:42:55,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 351 transitions, 787 flow. Second operand has 3 states, 3 states have (on average 433.6666666666667) internal successors, (1301), 3 states have internal predecessors, (1301), 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) [2024-11-16 23:42:55,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:55,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 432 of 461 [2024-11-16 23:42:55,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:56,086 INFO L124 PetriNetUnfolderBase]: 29/870 cut-off events. [2024-11-16 23:42:56,086 INFO L125 PetriNetUnfolderBase]: For 21/23 co-relation queries the response was YES. [2024-11-16 23:42:56,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1034 conditions, 870 events. 29/870 cut-off events. For 21/23 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2843 event pairs, 3 based on Foata normal form. 0/844 useless extension candidates. Maximal degree in co-relation 1022. Up to 21 conditions per place. [2024-11-16 23:42:56,092 INFO L140 encePairwiseOnDemand]: 458/461 looper letters, 7 selfloop transitions, 2 changer transitions 0/351 dead transitions. [2024-11-16 23:42:56,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 351 transitions, 806 flow [2024-11-16 23:42:56,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:56,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:56,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1306 transitions. [2024-11-16 23:42:56,094 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9443239334779465 [2024-11-16 23:42:56,094 INFO L175 Difference]: Start difference. First operand has 362 places, 351 transitions, 787 flow. Second operand 3 states and 1306 transitions. [2024-11-16 23:42:56,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 351 transitions, 806 flow [2024-11-16 23:42:56,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 351 transitions, 796 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:42:56,099 INFO L231 Difference]: Finished difference. Result has 358 places, 350 transitions, 779 flow [2024-11-16 23:42:56,099 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=775, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=779, PETRI_PLACES=358, PETRI_TRANSITIONS=350} [2024-11-16 23:42:56,100 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -64 predicate places. [2024-11-16 23:42:56,100 INFO L471 AbstractCegarLoop]: Abstraction has has 358 places, 350 transitions, 779 flow [2024-11-16 23:42:56,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 433.6666666666667) internal successors, (1301), 3 states have internal predecessors, (1301), 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) [2024-11-16 23:42:56,100 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:56,101 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:56,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 23:42:56,101 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:42:56,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:56,101 INFO L85 PathProgramCache]: Analyzing trace with hash -2063906560, now seen corresponding path program 1 times [2024-11-16 23:42:56,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:56,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196694964] [2024-11-16 23:42:56,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:56,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:56,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:42:56,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:56,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196694964] [2024-11-16 23:42:56,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196694964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:56,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:56,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:56,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538919068] [2024-11-16 23:42:56,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:56,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:56,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:56,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:56,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:56,182 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 432 out of 461 [2024-11-16 23:42:56,183 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 350 transitions, 779 flow. Second operand has 3 states, 3 states have (on average 434.0) internal successors, (1302), 3 states have internal predecessors, (1302), 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) [2024-11-16 23:42:56,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:56,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 432 of 461 [2024-11-16 23:42:56,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:56,260 INFO L124 PetriNetUnfolderBase]: 35/740 cut-off events. [2024-11-16 23:42:56,260 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2024-11-16 23:42:56,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 881 conditions, 740 events. 35/740 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2622 event pairs, 4 based on Foata normal form. 0/722 useless extension candidates. Maximal degree in co-relation 869. Up to 20 conditions per place. [2024-11-16 23:42:56,265 INFO L140 encePairwiseOnDemand]: 458/461 looper letters, 0 selfloop transitions, 0 changer transitions 350/350 dead transitions. [2024-11-16 23:42:56,265 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 350 transitions, 798 flow [2024-11-16 23:42:56,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:56,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1306 transitions. [2024-11-16 23:42:56,267 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9443239334779465 [2024-11-16 23:42:56,267 INFO L175 Difference]: Start difference. First operand has 358 places, 350 transitions, 779 flow. Second operand 3 states and 1306 transitions. [2024-11-16 23:42:56,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 350 transitions, 798 flow [2024-11-16 23:42:56,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 350 transitions, 794 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:56,271 INFO L231 Difference]: Finished difference. Result has 357 places, 0 transitions, 0 flow [2024-11-16 23:42:56,271 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=461, PETRI_DIFFERENCE_MINUEND_FLOW=773, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=357, PETRI_TRANSITIONS=0} [2024-11-16 23:42:56,271 INFO L277 CegarLoopForPetriNet]: 422 programPoint places, -65 predicate places. [2024-11-16 23:42:56,272 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 0 transitions, 0 flow [2024-11-16 23:42:56,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 434.0) internal successors, (1302), 3 states have internal predecessors, (1302), 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) [2024-11-16 23:42:56,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (71 of 72 remaining) [2024-11-16 23:42:56,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (70 of 72 remaining) [2024-11-16 23:42:56,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (69 of 72 remaining) [2024-11-16 23:42:56,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (68 of 72 remaining) [2024-11-16 23:42:56,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (67 of 72 remaining) [2024-11-16 23:42:56,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (66 of 72 remaining) [2024-11-16 23:42:56,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (65 of 72 remaining) [2024-11-16 23:42:56,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (64 of 72 remaining) [2024-11-16 23:42:56,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (63 of 72 remaining) [2024-11-16 23:42:56,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (62 of 72 remaining) [2024-11-16 23:42:56,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (61 of 72 remaining) [2024-11-16 23:42:56,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (60 of 72 remaining) [2024-11-16 23:42:56,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (59 of 72 remaining) [2024-11-16 23:42:56,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (58 of 72 remaining) [2024-11-16 23:42:56,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (57 of 72 remaining) [2024-11-16 23:42:56,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (56 of 72 remaining) [2024-11-16 23:42:56,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (55 of 72 remaining) [2024-11-16 23:42:56,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (54 of 72 remaining) [2024-11-16 23:42:56,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (53 of 72 remaining) [2024-11-16 23:42:56,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (52 of 72 remaining) [2024-11-16 23:42:56,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (51 of 72 remaining) [2024-11-16 23:42:56,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (50 of 72 remaining) [2024-11-16 23:42:56,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (49 of 72 remaining) [2024-11-16 23:42:56,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 72 remaining) [2024-11-16 23:42:56,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (47 of 72 remaining) [2024-11-16 23:42:56,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (46 of 72 remaining) [2024-11-16 23:42:56,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (45 of 72 remaining) [2024-11-16 23:42:56,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (44 of 72 remaining) [2024-11-16 23:42:56,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (43 of 72 remaining) [2024-11-16 23:42:56,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (42 of 72 remaining) [2024-11-16 23:42:56,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (41 of 72 remaining) [2024-11-16 23:42:56,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (40 of 72 remaining) [2024-11-16 23:42:56,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 72 remaining) [2024-11-16 23:42:56,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (38 of 72 remaining) [2024-11-16 23:42:56,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (37 of 72 remaining) [2024-11-16 23:42:56,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (36 of 72 remaining) [2024-11-16 23:42:56,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (35 of 72 remaining) [2024-11-16 23:42:56,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 72 remaining) [2024-11-16 23:42:56,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (33 of 72 remaining) [2024-11-16 23:42:56,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 72 remaining) [2024-11-16 23:42:56,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 72 remaining) [2024-11-16 23:42:56,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (30 of 72 remaining) [2024-11-16 23:42:56,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 72 remaining) [2024-11-16 23:42:56,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 72 remaining) [2024-11-16 23:42:56,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (27 of 72 remaining) [2024-11-16 23:42:56,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (26 of 72 remaining) [2024-11-16 23:42:56,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (25 of 72 remaining) [2024-11-16 23:42:56,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (24 of 72 remaining) [2024-11-16 23:42:56,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (23 of 72 remaining) [2024-11-16 23:42:56,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 72 remaining) [2024-11-16 23:42:56,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (21 of 72 remaining) [2024-11-16 23:42:56,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (20 of 72 remaining) [2024-11-16 23:42:56,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (19 of 72 remaining) [2024-11-16 23:42:56,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 72 remaining) [2024-11-16 23:42:56,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (17 of 72 remaining) [2024-11-16 23:42:56,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (16 of 72 remaining) [2024-11-16 23:42:56,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (15 of 72 remaining) [2024-11-16 23:42:56,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (14 of 72 remaining) [2024-11-16 23:42:56,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (13 of 72 remaining) [2024-11-16 23:42:56,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 72 remaining) [2024-11-16 23:42:56,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (11 of 72 remaining) [2024-11-16 23:42:56,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 72 remaining) [2024-11-16 23:42:56,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 72 remaining) [2024-11-16 23:42:56,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 72 remaining) [2024-11-16 23:42:56,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 72 remaining) [2024-11-16 23:42:56,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 72 remaining) [2024-11-16 23:42:56,280 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 72 remaining) [2024-11-16 23:42:56,280 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 72 remaining) [2024-11-16 23:42:56,280 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 72 remaining) [2024-11-16 23:42:56,280 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 72 remaining) [2024-11-16 23:42:56,280 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 72 remaining) [2024-11-16 23:42:56,280 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 72 remaining) [2024-11-16 23:42:56,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 23:42:56,280 INFO L407 BasicCegarLoop]: Path program 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] [2024-11-16 23:42:56,286 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:42:56,286 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:42:56,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:42:56 BasicIcfg [2024-11-16 23:42:56,291 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:42:56,291 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:42:56,291 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:42:56,291 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:42:56,292 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:42:42" (3/4) ... [2024-11-16 23:42:56,293 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:42:56,297 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-16 23:42:56,297 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-16 23:42:56,303 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-11-16 23:42:56,305 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 23:42:56,305 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:42:56,305 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:42:56,412 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:42:56,412 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:42:56,412 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:42:56,413 INFO L158 Benchmark]: Toolchain (without parser) took 15495.60ms. Allocated memory was 165.7MB in the beginning and 490.7MB in the end (delta: 325.1MB). Free memory was 100.4MB in the beginning and 209.3MB in the end (delta: -108.9MB). Peak memory consumption was 215.7MB. Max. memory is 16.1GB. [2024-11-16 23:42:56,413 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:42:56,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.70ms. Allocated memory is still 165.7MB. Free memory was 100.4MB in the beginning and 131.8MB in the end (delta: -31.4MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-16 23:42:56,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.86ms. Allocated memory is still 165.7MB. Free memory was 131.8MB in the beginning and 128.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:42:56,413 INFO L158 Benchmark]: Boogie Preprocessor took 58.67ms. Allocated memory is still 165.7MB. Free memory was 128.6MB in the beginning and 125.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:42:56,414 INFO L158 Benchmark]: IcfgBuilder took 917.21ms. Allocated memory is still 165.7MB. Free memory was 125.7MB in the beginning and 89.5MB in the end (delta: 36.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-16 23:42:56,414 INFO L158 Benchmark]: TraceAbstraction took 13973.95ms. Allocated memory was 165.7MB in the beginning and 490.7MB in the end (delta: 325.1MB). Free memory was 88.7MB in the beginning and 216.7MB in the end (delta: -128.0MB). Peak memory consumption was 199.0MB. Max. memory is 16.1GB. [2024-11-16 23:42:56,414 INFO L158 Benchmark]: Witness Printer took 121.11ms. Allocated memory is still 490.7MB. Free memory was 216.7MB in the beginning and 209.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 23:42:56,415 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.70ms. Allocated memory is still 165.7MB. Free memory was 100.4MB in the beginning and 131.8MB in the end (delta: -31.4MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.86ms. Allocated memory is still 165.7MB. Free memory was 131.8MB in the beginning and 128.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.67ms. Allocated memory is still 165.7MB. Free memory was 128.6MB in the beginning and 125.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 917.21ms. Allocated memory is still 165.7MB. Free memory was 125.7MB in the beginning and 89.5MB in the end (delta: 36.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 13973.95ms. Allocated memory was 165.7MB in the beginning and 490.7MB in the end (delta: 325.1MB). Free memory was 88.7MB in the beginning and 216.7MB in the end (delta: -128.0MB). Peak memory consumption was 199.0MB. Max. memory is 16.1GB. * Witness Printer took 121.11ms. Allocated memory is still 490.7MB. Free memory was 216.7MB in the beginning and 209.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 658 locations, 72 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.7s, OverallIterations: 25, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3555 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2315 mSDsluCounter, 3540 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3261 mSDsCounter, 610 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5653 IncrementalHoareTripleChecker+Invalid, 6263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 610 mSolverCounterUnsat, 279 mSDtfsCounter, 5653 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1204occurred in iteration=16, InterpolantAutomatonStates: 124, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 3213 NumberOfCodeBlocks, 3213 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 3188 ConstructedInterpolants, 0 QuantifiedInterpolants, 4641 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 32/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 42 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:42:56,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE