./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-subst.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 2c931aeff3bd4feb775048ea000220a43a3b08d8a3667f51cb57a0babc9201aa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:30:41,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:30:41,240 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:30:41,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:30:41,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:30:41,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:30:41,262 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:30:41,262 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:30:41,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:30:41,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:30:41,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:30:41,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:30:41,264 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:30:41,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:30:41,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:30:41,265 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:30:41,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:30:41,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:30:41,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:30:41,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:30:41,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:30:41,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:30:41,267 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:30:41,268 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:30:41,268 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:30:41,268 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:30:41,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:30:41,269 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:30:41,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:30:41,269 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:30:41,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:30:41,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:30:41,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:30:41,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:30:41,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:30:41,271 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:30:41,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:30:41,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:30:41,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:30:41,272 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:30:41,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:30:41,272 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c931aeff3bd4feb775048ea000220a43a3b08d8a3667f51cb57a0babc9201aa [2024-10-24 15:30:41,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:30:41,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:30:41,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:30:41,530 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:30:41,530 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:30:41,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-subst.wvr.c [2024-10-24 15:30:42,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:30:43,049 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:30:43,050 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-subst.wvr.c [2024-10-24 15:30:43,058 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/820f81786/5d34114d1d0444c183928394c636e483/FLAGb0b3a5aca [2024-10-24 15:30:43,080 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/820f81786/5d34114d1d0444c183928394c636e483 [2024-10-24 15:30:43,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:30:43,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:30:43,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:30:43,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:30:43,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:30:43,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:30:43" (1/1) ... [2024-10-24 15:30:43,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a4c302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:43, skipping insertion in model container [2024-10-24 15:30:43,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:30:43" (1/1) ... [2024-10-24 15:30:43,127 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:30:43,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:30:43,380 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:30:43,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:30:43,418 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:30:43,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:43 WrapperNode [2024-10-24 15:30:43,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:30:43,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:30:43,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:30:43,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:30:43,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:43" (1/1) ... [2024-10-24 15:30:43,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:43" (1/1) ... [2024-10-24 15:30:43,465 INFO L138 Inliner]: procedures = 22, calls = 20, calls flagged for inlining = 13, calls inlined = 23, statements flattened = 323 [2024-10-24 15:30:43,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:30:43,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:30:43,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:30:43,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:30:43,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:43" (1/1) ... [2024-10-24 15:30:43,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:43" (1/1) ... [2024-10-24 15:30:43,481 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:43" (1/1) ... [2024-10-24 15:30:43,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:43" (1/1) ... [2024-10-24 15:30:43,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:43" (1/1) ... [2024-10-24 15:30:43,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:43" (1/1) ... [2024-10-24 15:30:43,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:43" (1/1) ... [2024-10-24 15:30:43,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:43" (1/1) ... [2024-10-24 15:30:43,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:30:43,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:30:43,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:30:43,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:30:43,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:43" (1/1) ... [2024-10-24 15:30:43,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:30:43,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:30:43,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 15:30:43,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 15:30:43,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:30:43,585 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-24 15:30:43,586 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-24 15:30:43,586 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-24 15:30:43,586 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-24 15:30:43,586 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-24 15:30:43,586 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-24 15:30:43,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:30:43,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:30:43,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:30:43,588 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:30:43,680 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:30:43,681 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:30:44,102 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:30:44,103 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:30:44,127 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:30:44,129 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 15:30:44,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:30:44 BoogieIcfgContainer [2024-10-24 15:30:44,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:30:44,132 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:30:44,132 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:30:44,137 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:30:44,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:30:43" (1/3) ... [2024-10-24 15:30:44,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12dd5dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:30:44, skipping insertion in model container [2024-10-24 15:30:44,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:43" (2/3) ... [2024-10-24 15:30:44,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12dd5dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:30:44, skipping insertion in model container [2024-10-24 15:30:44,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:30:44" (3/3) ... [2024-10-24 15:30:44,139 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-subst.wvr.c [2024-10-24 15:30:44,152 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:30:44,152 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2024-10-24 15:30:44,152 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:30:44,264 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-24 15:30:44,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 446 places, 454 transitions, 929 flow [2024-10-24 15:30:44,455 INFO L124 PetriNetUnfolderBase]: 18/451 cut-off events. [2024-10-24 15:30:44,456 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-24 15:30:44,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 464 conditions, 451 events. 18/451 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 777 event pairs, 0 based on Foata normal form. 0/392 useless extension candidates. Maximal degree in co-relation 311. Up to 2 conditions per place. [2024-10-24 15:30:44,466 INFO L82 GeneralOperation]: Start removeDead. Operand has 446 places, 454 transitions, 929 flow [2024-10-24 15:30:44,474 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 425 places, 431 transitions, 880 flow [2024-10-24 15:30:44,482 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:30:44,488 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;@6b8f2738, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:30:44,488 INFO L334 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2024-10-24 15:30:44,493 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:30:44,493 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-10-24 15:30:44,493 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:30:44,493 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:44,494 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] [2024-10-24 15:30:44,494 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:44,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:44,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1481465963, now seen corresponding path program 1 times [2024-10-24 15:30:44,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:44,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514944492] [2024-10-24 15:30:44,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:44,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:44,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:44,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:44,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514944492] [2024-10-24 15:30:44,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514944492] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:44,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:44,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:44,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60335363] [2024-10-24 15:30:44,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:44,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:44,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:44,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:44,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:44,783 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 454 [2024-10-24 15:30:44,792 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 431 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:44,792 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:44,792 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 454 [2024-10-24 15:30:44,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:45,089 INFO L124 PetriNetUnfolderBase]: 33/1375 cut-off events. [2024-10-24 15:30:45,089 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2024-10-24 15:30:45,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1462 conditions, 1375 events. 33/1375 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6213 event pairs, 20 based on Foata normal form. 76/1250 useless extension candidates. Maximal degree in co-relation 1300. Up to 50 conditions per place. [2024-10-24 15:30:45,105 INFO L140 encePairwiseOnDemand]: 438/454 looper letters, 13 selfloop transitions, 2 changer transitions 1/417 dead transitions. [2024-10-24 15:30:45,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 417 transitions, 882 flow [2024-10-24 15:30:45,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:45,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:45,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-24 15:30:45,122 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-24 15:30:45,125 INFO L175 Difference]: Start difference. First operand has 425 places, 431 transitions, 880 flow. Second operand 3 states and 1295 transitions. [2024-10-24 15:30:45,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 417 transitions, 882 flow [2024-10-24 15:30:45,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 417 transitions, 870 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-24 15:30:45,138 INFO L231 Difference]: Finished difference. Result has 420 places, 416 transitions, 842 flow [2024-10-24 15:30:45,140 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=840, PETRI_DIFFERENCE_MINUEND_PLACES=418, 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=420, PETRI_TRANSITIONS=416} [2024-10-24 15:30:45,142 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -5 predicate places. [2024-10-24 15:30:45,143 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 416 transitions, 842 flow [2024-10-24 15:30:45,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:45,144 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:45,144 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] [2024-10-24 15:30:45,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:30:45,145 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:45,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:45,145 INFO L85 PathProgramCache]: Analyzing trace with hash -666654298, now seen corresponding path program 1 times [2024-10-24 15:30:45,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:45,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043534071] [2024-10-24 15:30:45,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:45,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:45,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:45,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:45,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043534071] [2024-10-24 15:30:45,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043534071] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:45,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:45,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:45,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127706409] [2024-10-24 15:30:45,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:45,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:45,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:45,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:45,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:45,237 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-10-24 15:30:45,238 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 416 transitions, 842 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:45,238 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:45,238 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-10-24 15:30:45,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:45,348 INFO L124 PetriNetUnfolderBase]: 16/956 cut-off events. [2024-10-24 15:30:45,348 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-24 15:30:45,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 994 conditions, 956 events. 16/956 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4028 event pairs, 7 based on Foata normal form. 0/814 useless extension candidates. Maximal degree in co-relation 957. Up to 25 conditions per place. [2024-10-24 15:30:45,391 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/415 dead transitions. [2024-10-24 15:30:45,391 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 415 transitions, 866 flow [2024-10-24 15:30:45,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:45,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:45,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-10-24 15:30:45,394 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-10-24 15:30:45,394 INFO L175 Difference]: Start difference. First operand has 420 places, 416 transitions, 842 flow. Second operand 3 states and 1286 transitions. [2024-10-24 15:30:45,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 415 transitions, 866 flow [2024-10-24 15:30:45,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 415 transitions, 862 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:45,399 INFO L231 Difference]: Finished difference. Result has 418 places, 415 transitions, 840 flow [2024-10-24 15:30:45,400 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=836, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=840, PETRI_PLACES=418, PETRI_TRANSITIONS=415} [2024-10-24 15:30:45,401 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -7 predicate places. [2024-10-24 15:30:45,401 INFO L471 AbstractCegarLoop]: Abstraction has has 418 places, 415 transitions, 840 flow [2024-10-24 15:30:45,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:45,402 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:45,402 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] [2024-10-24 15:30:45,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:30:45,403 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:45,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:45,403 INFO L85 PathProgramCache]: Analyzing trace with hash -2102967575, now seen corresponding path program 1 times [2024-10-24 15:30:45,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:45,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197430119] [2024-10-24 15:30:45,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:45,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:45,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:45,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:45,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197430119] [2024-10-24 15:30:45,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197430119] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:45,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:45,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:45,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726107156] [2024-10-24 15:30:45,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:45,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:45,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:45,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:45,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:45,484 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-10-24 15:30:45,486 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 415 transitions, 840 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:45,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:45,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-10-24 15:30:45,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:45,589 INFO L124 PetriNetUnfolderBase]: 16/937 cut-off events. [2024-10-24 15:30:45,589 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-24 15:30:45,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 975 conditions, 937 events. 16/937 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3931 event pairs, 7 based on Foata normal form. 0/803 useless extension candidates. Maximal degree in co-relation 930. Up to 25 conditions per place. [2024-10-24 15:30:45,601 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/414 dead transitions. [2024-10-24 15:30:45,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 414 transitions, 864 flow [2024-10-24 15:30:45,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:45,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-10-24 15:30:45,605 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-10-24 15:30:45,605 INFO L175 Difference]: Start difference. First operand has 418 places, 415 transitions, 840 flow. Second operand 3 states and 1286 transitions. [2024-10-24 15:30:45,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 414 transitions, 864 flow [2024-10-24 15:30:45,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 414 transitions, 860 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:45,610 INFO L231 Difference]: Finished difference. Result has 417 places, 414 transitions, 838 flow [2024-10-24 15:30:45,610 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=838, PETRI_PLACES=417, PETRI_TRANSITIONS=414} [2024-10-24 15:30:45,611 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -8 predicate places. [2024-10-24 15:30:45,612 INFO L471 AbstractCegarLoop]: Abstraction has has 417 places, 414 transitions, 838 flow [2024-10-24 15:30:45,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:45,613 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:45,613 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:45,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:30:45,613 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:45,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:45,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1511710481, now seen corresponding path program 1 times [2024-10-24 15:30:45,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:45,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483169444] [2024-10-24 15:30:45,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:45,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:45,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:45,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:45,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483169444] [2024-10-24 15:30:45,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483169444] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:45,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:45,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:45,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831154981] [2024-10-24 15:30:45,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:45,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:45,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:45,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:45,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:45,692 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 454 [2024-10-24 15:30:45,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 414 transitions, 838 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:45,693 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:45,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 454 [2024-10-24 15:30:45,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:45,796 INFO L124 PetriNetUnfolderBase]: 19/807 cut-off events. [2024-10-24 15:30:45,796 INFO L125 PetriNetUnfolderBase]: For 4/8 co-relation queries the response was YES. [2024-10-24 15:30:45,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 858 conditions, 807 events. 19/807 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2820 event pairs, 12 based on Foata normal form. 0/697 useless extension candidates. Maximal degree in co-relation 805. Up to 38 conditions per place. [2024-10-24 15:30:45,803 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/413 dead transitions. [2024-10-24 15:30:45,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 413 transitions, 866 flow [2024-10-24 15:30:45,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:45,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:45,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1282 transitions. [2024-10-24 15:30:45,806 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9412628487518355 [2024-10-24 15:30:45,806 INFO L175 Difference]: Start difference. First operand has 417 places, 414 transitions, 838 flow. Second operand 3 states and 1282 transitions. [2024-10-24 15:30:45,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 413 transitions, 866 flow [2024-10-24 15:30:45,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 413 transitions, 862 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:45,811 INFO L231 Difference]: Finished difference. Result has 416 places, 413 transitions, 836 flow [2024-10-24 15:30:45,811 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=836, PETRI_PLACES=416, PETRI_TRANSITIONS=413} [2024-10-24 15:30:45,812 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -9 predicate places. [2024-10-24 15:30:45,812 INFO L471 AbstractCegarLoop]: Abstraction has has 416 places, 413 transitions, 836 flow [2024-10-24 15:30:45,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:45,813 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:45,813 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] [2024-10-24 15:30:45,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:30:45,813 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:45,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:45,814 INFO L85 PathProgramCache]: Analyzing trace with hash 805669637, now seen corresponding path program 1 times [2024-10-24 15:30:45,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:45,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782918469] [2024-10-24 15:30:45,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:45,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:45,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:45,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:45,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782918469] [2024-10-24 15:30:45,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782918469] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:45,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:45,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:45,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620197343] [2024-10-24 15:30:45,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:45,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:45,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:45,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:45,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:45,870 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-10-24 15:30:45,871 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 413 transitions, 836 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:45,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:45,871 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-10-24 15:30:45,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:45,965 INFO L124 PetriNetUnfolderBase]: 12/784 cut-off events. [2024-10-24 15:30:45,965 INFO L125 PetriNetUnfolderBase]: For 5/10 co-relation queries the response was YES. [2024-10-24 15:30:45,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 817 conditions, 784 events. 12/784 cut-off events. For 5/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2122 event pairs, 5 based on Foata normal form. 0/673 useless extension candidates. Maximal degree in co-relation 756. Up to 22 conditions per place. [2024-10-24 15:30:45,976 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/412 dead transitions. [2024-10-24 15:30:45,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 412 transitions, 860 flow [2024-10-24 15:30:45,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:45,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:45,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-10-24 15:30:45,980 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-10-24 15:30:45,980 INFO L175 Difference]: Start difference. First operand has 416 places, 413 transitions, 836 flow. Second operand 3 states and 1286 transitions. [2024-10-24 15:30:45,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 412 transitions, 860 flow [2024-10-24 15:30:45,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 412 transitions, 856 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:45,985 INFO L231 Difference]: Finished difference. Result has 415 places, 412 transitions, 834 flow [2024-10-24 15:30:45,986 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=834, PETRI_PLACES=415, PETRI_TRANSITIONS=412} [2024-10-24 15:30:45,989 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -10 predicate places. [2024-10-24 15:30:45,989 INFO L471 AbstractCegarLoop]: Abstraction has has 415 places, 412 transitions, 834 flow [2024-10-24 15:30:45,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:45,990 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:45,990 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] [2024-10-24 15:30:45,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:30:45,991 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:45,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:45,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1067874234, now seen corresponding path program 1 times [2024-10-24 15:30:45,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:45,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002072777] [2024-10-24 15:30:45,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:45,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:46,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:46,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:46,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002072777] [2024-10-24 15:30:46,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002072777] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:46,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:46,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:46,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126068602] [2024-10-24 15:30:46,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:46,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:46,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:46,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:46,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:46,060 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-10-24 15:30:46,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 412 transitions, 834 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:46,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:46,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-10-24 15:30:46,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:46,182 INFO L124 PetriNetUnfolderBase]: 12/777 cut-off events. [2024-10-24 15:30:46,182 INFO L125 PetriNetUnfolderBase]: For 5/10 co-relation queries the response was YES. [2024-10-24 15:30:46,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 810 conditions, 777 events. 12/777 cut-off events. For 5/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2081 event pairs, 5 based on Foata normal form. 0/669 useless extension candidates. Maximal degree in co-relation 741. Up to 22 conditions per place. [2024-10-24 15:30:46,191 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/411 dead transitions. [2024-10-24 15:30:46,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 411 transitions, 858 flow [2024-10-24 15:30:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:46,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:46,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-10-24 15:30:46,194 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-10-24 15:30:46,194 INFO L175 Difference]: Start difference. First operand has 415 places, 412 transitions, 834 flow. Second operand 3 states and 1286 transitions. [2024-10-24 15:30:46,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 411 transitions, 858 flow [2024-10-24 15:30:46,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 411 transitions, 854 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:46,200 INFO L231 Difference]: Finished difference. Result has 414 places, 411 transitions, 832 flow [2024-10-24 15:30:46,201 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=412, 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=832, PETRI_PLACES=414, PETRI_TRANSITIONS=411} [2024-10-24 15:30:46,203 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -11 predicate places. [2024-10-24 15:30:46,204 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 411 transitions, 832 flow [2024-10-24 15:30:46,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:46,205 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:46,205 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] [2024-10-24 15:30:46,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:30:46,205 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:46,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:46,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1914240621, now seen corresponding path program 1 times [2024-10-24 15:30:46,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:46,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152373109] [2024-10-24 15:30:46,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:46,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:46,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:46,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:46,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152373109] [2024-10-24 15:30:46,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152373109] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:46,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:46,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:46,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485373516] [2024-10-24 15:30:46,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:46,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:46,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:46,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:46,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:46,297 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 454 [2024-10-24 15:30:46,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 411 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:46,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:46,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 454 [2024-10-24 15:30:46,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:46,399 INFO L124 PetriNetUnfolderBase]: 25/626 cut-off events. [2024-10-24 15:30:46,400 INFO L125 PetriNetUnfolderBase]: For 9/13 co-relation queries the response was YES. [2024-10-24 15:30:46,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 687 conditions, 626 events. 25/626 cut-off events. For 9/13 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2198 event pairs, 20 based on Foata normal form. 0/549 useless extension candidates. Maximal degree in co-relation 610. Up to 50 conditions per place. [2024-10-24 15:30:46,408 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-24 15:30:46,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 410 transitions, 860 flow [2024-10-24 15:30:46,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:46,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:46,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1282 transitions. [2024-10-24 15:30:46,411 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9412628487518355 [2024-10-24 15:30:46,411 INFO L175 Difference]: Start difference. First operand has 414 places, 411 transitions, 832 flow. Second operand 3 states and 1282 transitions. [2024-10-24 15:30:46,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 410 transitions, 860 flow [2024-10-24 15:30:46,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 410 transitions, 856 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:46,416 INFO L231 Difference]: Finished difference. Result has 413 places, 410 transitions, 830 flow [2024-10-24 15:30:46,417 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=830, PETRI_PLACES=413, PETRI_TRANSITIONS=410} [2024-10-24 15:30:46,417 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-10-24 15:30:46,418 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 410 transitions, 830 flow [2024-10-24 15:30:46,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:46,419 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:46,419 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] [2024-10-24 15:30:46,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:30:46,419 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:46,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:46,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1935635487, now seen corresponding path program 1 times [2024-10-24 15:30:46,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:46,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744281680] [2024-10-24 15:30:46,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:46,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:46,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:46,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:46,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744281680] [2024-10-24 15:30:46,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744281680] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:46,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:46,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:46,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931622189] [2024-10-24 15:30:46,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:46,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:46,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:46,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:46,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:46,499 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-10-24 15:30:46,500 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 410 transitions, 830 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:46,501 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:46,501 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-10-24 15:30:46,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:46,651 INFO L124 PetriNetUnfolderBase]: 14/681 cut-off events. [2024-10-24 15:30:46,655 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-10-24 15:30:46,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 681 events. 14/681 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1754 event pairs, 7 based on Foata normal form. 0/587 useless extension candidates. Maximal degree in co-relation 631. Up to 25 conditions per place. [2024-10-24 15:30:46,671 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/409 dead transitions. [2024-10-24 15:30:46,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 409 transitions, 854 flow [2024-10-24 15:30:46,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:46,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:46,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-10-24 15:30:46,674 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-10-24 15:30:46,674 INFO L175 Difference]: Start difference. First operand has 413 places, 410 transitions, 830 flow. Second operand 3 states and 1286 transitions. [2024-10-24 15:30:46,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 409 transitions, 854 flow [2024-10-24 15:30:46,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 409 transitions, 850 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:46,683 INFO L231 Difference]: Finished difference. Result has 412 places, 409 transitions, 828 flow [2024-10-24 15:30:46,688 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=828, PETRI_PLACES=412, PETRI_TRANSITIONS=409} [2024-10-24 15:30:46,688 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-10-24 15:30:46,689 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 409 transitions, 828 flow [2024-10-24 15:30:46,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:46,693 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:46,693 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] [2024-10-24 15:30:46,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:30:46,694 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:46,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:46,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1967425806, now seen corresponding path program 1 times [2024-10-24 15:30:46,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:46,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124869430] [2024-10-24 15:30:46,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:46,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:46,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:46,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:46,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124869430] [2024-10-24 15:30:46,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124869430] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:46,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:46,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:46,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512923043] [2024-10-24 15:30:46,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:46,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:46,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:46,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:46,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:46,780 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-10-24 15:30:46,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 409 transitions, 828 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:46,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:46,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-10-24 15:30:46,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:46,915 INFO L124 PetriNetUnfolderBase]: 14/671 cut-off events. [2024-10-24 15:30:46,915 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-10-24 15:30:46,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 706 conditions, 671 events. 14/671 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1727 event pairs, 7 based on Foata normal form. 0/581 useless extension candidates. Maximal degree in co-relation 613. Up to 25 conditions per place. [2024-10-24 15:30:46,922 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/408 dead transitions. [2024-10-24 15:30:46,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 408 transitions, 852 flow [2024-10-24 15:30:46,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:46,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-10-24 15:30:46,928 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-10-24 15:30:46,928 INFO L175 Difference]: Start difference. First operand has 412 places, 409 transitions, 828 flow. Second operand 3 states and 1286 transitions. [2024-10-24 15:30:46,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 408 transitions, 852 flow [2024-10-24 15:30:46,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 408 transitions, 848 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:46,933 INFO L231 Difference]: Finished difference. Result has 411 places, 408 transitions, 826 flow [2024-10-24 15:30:46,933 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=411, PETRI_TRANSITIONS=408} [2024-10-24 15:30:46,934 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -14 predicate places. [2024-10-24 15:30:46,934 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 408 transitions, 826 flow [2024-10-24 15:30:46,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:46,936 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:46,936 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:46,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:30:46,937 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:46,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:46,937 INFO L85 PathProgramCache]: Analyzing trace with hash -224796327, now seen corresponding path program 1 times [2024-10-24 15:30:46,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:46,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499235959] [2024-10-24 15:30:46,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:46,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:46,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:46,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:46,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499235959] [2024-10-24 15:30:46,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499235959] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:46,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:46,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:46,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664535042] [2024-10-24 15:30:46,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:46,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:46,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:46,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:46,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:46,986 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-24 15:30:46,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 408 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:46,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:46,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-24 15:30:46,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:47,129 INFO L124 PetriNetUnfolderBase]: 34/1406 cut-off events. [2024-10-24 15:30:47,129 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-24 15:30:47,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1471 conditions, 1406 events. 34/1406 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 8143 event pairs, 13 based on Foata normal form. 0/1207 useless extension candidates. Maximal degree in co-relation 1370. Up to 43 conditions per place. [2024-10-24 15:30:47,144 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-24 15:30:47,144 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 410 transitions, 862 flow [2024-10-24 15:30:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:47,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:47,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-24 15:30:47,147 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-24 15:30:47,147 INFO L175 Difference]: Start difference. First operand has 411 places, 408 transitions, 826 flow. Second operand 3 states and 1295 transitions. [2024-10-24 15:30:47,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 410 transitions, 862 flow [2024-10-24 15:30:47,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 410 transitions, 858 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:47,152 INFO L231 Difference]: Finished difference. Result has 410 places, 408 transitions, 832 flow [2024-10-24 15:30:47,154 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=832, PETRI_PLACES=410, PETRI_TRANSITIONS=408} [2024-10-24 15:30:47,154 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -15 predicate places. [2024-10-24 15:30:47,154 INFO L471 AbstractCegarLoop]: Abstraction has has 410 places, 408 transitions, 832 flow [2024-10-24 15:30:47,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:47,155 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:47,155 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] [2024-10-24 15:30:47,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 15:30:47,156 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:47,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:47,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1280872901, now seen corresponding path program 1 times [2024-10-24 15:30:47,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:47,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773214657] [2024-10-24 15:30:47,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:47,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:47,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:47,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773214657] [2024-10-24 15:30:47,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773214657] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:47,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:47,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:47,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299020987] [2024-10-24 15:30:47,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:47,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:47,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:47,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:47,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:47,246 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-24 15:30:47,247 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 408 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:47,247 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:47,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-24 15:30:47,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:47,390 INFO L124 PetriNetUnfolderBase]: 40/1646 cut-off events. [2024-10-24 15:30:47,391 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-24 15:30:47,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1724 conditions, 1646 events. 40/1646 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10640 event pairs, 14 based on Foata normal form. 0/1421 useless extension candidates. Maximal degree in co-relation 1337. Up to 49 conditions per place. [2024-10-24 15:30:47,405 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-24 15:30:47,405 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 410 transitions, 868 flow [2024-10-24 15:30:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:47,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:47,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-24 15:30:47,407 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-24 15:30:47,407 INFO L175 Difference]: Start difference. First operand has 410 places, 408 transitions, 832 flow. Second operand 3 states and 1295 transitions. [2024-10-24 15:30:47,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 410 transitions, 868 flow [2024-10-24 15:30:47,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 410 transitions, 868 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:30:47,412 INFO L231 Difference]: Finished difference. Result has 411 places, 408 transitions, 842 flow [2024-10-24 15:30:47,412 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=842, PETRI_PLACES=411, PETRI_TRANSITIONS=408} [2024-10-24 15:30:47,413 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -14 predicate places. [2024-10-24 15:30:47,413 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 408 transitions, 842 flow [2024-10-24 15:30:47,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:47,413 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:47,413 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] [2024-10-24 15:30:47,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 15:30:47,414 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:47,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:47,414 INFO L85 PathProgramCache]: Analyzing trace with hash -137455449, now seen corresponding path program 1 times [2024-10-24 15:30:47,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:47,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319857622] [2024-10-24 15:30:47,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:47,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:47,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:47,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:47,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319857622] [2024-10-24 15:30:47,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319857622] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:47,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:47,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:47,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466174333] [2024-10-24 15:30:47,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:47,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:47,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:47,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:47,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:47,445 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-24 15:30:47,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 408 transitions, 842 flow. Second operand has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:47,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:47,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-24 15:30:47,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:47,563 INFO L124 PetriNetUnfolderBase]: 24/902 cut-off events. [2024-10-24 15:30:47,563 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-24 15:30:47,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 962 conditions, 902 events. 24/902 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4377 event pairs, 4 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 759. Up to 31 conditions per place. [2024-10-24 15:30:47,574 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-24 15:30:47,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 410 transitions, 878 flow [2024-10-24 15:30:47,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:47,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:47,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-24 15:30:47,576 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-24 15:30:47,577 INFO L175 Difference]: Start difference. First operand has 411 places, 408 transitions, 842 flow. Second operand 3 states and 1295 transitions. [2024-10-24 15:30:47,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 410 transitions, 878 flow [2024-10-24 15:30:47,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 410 transitions, 878 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:30:47,581 INFO L231 Difference]: Finished difference. Result has 412 places, 408 transitions, 852 flow [2024-10-24 15:30:47,582 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=838, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=852, PETRI_PLACES=412, PETRI_TRANSITIONS=408} [2024-10-24 15:30:47,582 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-10-24 15:30:47,582 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 408 transitions, 852 flow [2024-10-24 15:30:47,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:47,583 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:47,583 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] [2024-10-24 15:30:47,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 15:30:47,583 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:47,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:47,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1049338249, now seen corresponding path program 1 times [2024-10-24 15:30:47,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:47,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120775901] [2024-10-24 15:30:47,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:47,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:47,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:47,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:47,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120775901] [2024-10-24 15:30:47,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120775901] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:47,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:47,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:47,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949638927] [2024-10-24 15:30:47,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:47,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:47,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:47,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:47,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:47,624 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-24 15:30:47,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 408 transitions, 852 flow. Second operand has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:47,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:47,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-24 15:30:47,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:47,729 INFO L124 PetriNetUnfolderBase]: 26/943 cut-off events. [2024-10-24 15:30:47,729 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-24 15:30:47,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1014 conditions, 943 events. 26/943 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4688 event pairs, 4 based on Foata normal form. 0/826 useless extension candidates. Maximal degree in co-relation 810. Up to 35 conditions per place. [2024-10-24 15:30:47,741 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-24 15:30:47,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 410 transitions, 888 flow [2024-10-24 15:30:47,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:47,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:47,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-24 15:30:47,743 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-24 15:30:47,743 INFO L175 Difference]: Start difference. First operand has 412 places, 408 transitions, 852 flow. Second operand 3 states and 1295 transitions. [2024-10-24 15:30:47,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 410 transitions, 888 flow [2024-10-24 15:30:47,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 410 transitions, 888 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:30:47,747 INFO L231 Difference]: Finished difference. Result has 413 places, 408 transitions, 862 flow [2024-10-24 15:30:47,748 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=848, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=862, PETRI_PLACES=413, PETRI_TRANSITIONS=408} [2024-10-24 15:30:47,748 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-10-24 15:30:47,748 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 408 transitions, 862 flow [2024-10-24 15:30:47,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:47,749 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:47,749 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] [2024-10-24 15:30:47,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 15:30:47,749 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:47,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:47,749 INFO L85 PathProgramCache]: Analyzing trace with hash -200193379, now seen corresponding path program 1 times [2024-10-24 15:30:47,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:47,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376441359] [2024-10-24 15:30:47,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:47,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:47,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:47,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:47,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376441359] [2024-10-24 15:30:47,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376441359] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:47,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:47,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:47,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209331383] [2024-10-24 15:30:47,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:47,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:47,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:47,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:47,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:47,786 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-24 15:30:47,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 408 transitions, 862 flow. Second operand has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:47,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:47,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-24 15:30:47,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:48,034 INFO L124 PetriNetUnfolderBase]: 66/1778 cut-off events. [2024-10-24 15:30:48,038 INFO L125 PetriNetUnfolderBase]: For 21/25 co-relation queries the response was YES. [2024-10-24 15:30:48,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1908 conditions, 1778 events. 66/1778 cut-off events. For 21/25 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 10935 event pairs, 10 based on Foata normal form. 0/1515 useless extension candidates. Maximal degree in co-relation 1461. Up to 80 conditions per place. [2024-10-24 15:30:48,064 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-24 15:30:48,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 410 transitions, 898 flow [2024-10-24 15:30:48,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:48,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:48,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-24 15:30:48,067 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-24 15:30:48,067 INFO L175 Difference]: Start difference. First operand has 413 places, 408 transitions, 862 flow. Second operand 3 states and 1295 transitions. [2024-10-24 15:30:48,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 410 transitions, 898 flow [2024-10-24 15:30:48,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 410 transitions, 898 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:30:48,073 INFO L231 Difference]: Finished difference. Result has 414 places, 408 transitions, 872 flow [2024-10-24 15:30:48,074 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=872, PETRI_PLACES=414, PETRI_TRANSITIONS=408} [2024-10-24 15:30:48,074 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -11 predicate places. [2024-10-24 15:30:48,074 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 408 transitions, 872 flow [2024-10-24 15:30:48,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:48,075 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:48,075 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] [2024-10-24 15:30:48,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 15:30:48,076 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:48,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:48,076 INFO L85 PathProgramCache]: Analyzing trace with hash 887727743, now seen corresponding path program 1 times [2024-10-24 15:30:48,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:48,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151473613] [2024-10-24 15:30:48,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:48,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:48,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:48,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:48,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151473613] [2024-10-24 15:30:48,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151473613] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:48,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:48,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:48,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834607664] [2024-10-24 15:30:48,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:48,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:48,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:48,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:48,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:48,121 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-24 15:30:48,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 408 transitions, 872 flow. Second operand has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:48,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:48,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-24 15:30:48,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:48,387 INFO L124 PetriNetUnfolderBase]: 75/1940 cut-off events. [2024-10-24 15:30:48,388 INFO L125 PetriNetUnfolderBase]: For 23/27 co-relation queries the response was YES. [2024-10-24 15:30:48,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2095 conditions, 1940 events. 75/1940 cut-off events. For 23/27 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 12063 event pairs, 19 based on Foata normal form. 0/1662 useless extension candidates. Maximal degree in co-relation 1659. Up to 90 conditions per place. [2024-10-24 15:30:48,405 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-24 15:30:48,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 410 transitions, 908 flow [2024-10-24 15:30:48,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:48,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:48,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-24 15:30:48,408 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-24 15:30:48,408 INFO L175 Difference]: Start difference. First operand has 414 places, 408 transitions, 872 flow. Second operand 3 states and 1295 transitions. [2024-10-24 15:30:48,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 410 transitions, 908 flow [2024-10-24 15:30:48,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 410 transitions, 908 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:30:48,413 INFO L231 Difference]: Finished difference. Result has 415 places, 408 transitions, 882 flow [2024-10-24 15:30:48,414 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=415, PETRI_TRANSITIONS=408} [2024-10-24 15:30:48,414 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -10 predicate places. [2024-10-24 15:30:48,414 INFO L471 AbstractCegarLoop]: Abstraction has has 415 places, 408 transitions, 882 flow [2024-10-24 15:30:48,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:48,415 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:48,415 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] [2024-10-24 15:30:48,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 15:30:48,415 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:48,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:48,416 INFO L85 PathProgramCache]: Analyzing trace with hash -89474115, now seen corresponding path program 1 times [2024-10-24 15:30:48,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:48,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385187303] [2024-10-24 15:30:48,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:48,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:48,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:48,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:48,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385187303] [2024-10-24 15:30:48,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385187303] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:48,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:48,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:48,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011324340] [2024-10-24 15:30:48,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:48,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:48,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:48,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:48,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:48,495 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 454 [2024-10-24 15:30:48,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 408 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:48,499 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:48,499 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 454 [2024-10-24 15:30:48,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:49,006 INFO L124 PetriNetUnfolderBase]: 163/1738 cut-off events. [2024-10-24 15:30:49,010 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-10-24 15:30:49,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2090 conditions, 1738 events. 163/1738 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 12345 event pairs, 60 based on Foata normal form. 0/1489 useless extension candidates. Maximal degree in co-relation 1724. Up to 239 conditions per place. [2024-10-24 15:30:49,049 INFO L140 encePairwiseOnDemand]: 448/454 looper letters, 17 selfloop transitions, 2 changer transitions 0/408 dead transitions. [2024-10-24 15:30:49,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 408 transitions, 922 flow [2024-10-24 15:30:49,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:49,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:49,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2024-10-24 15:30:49,052 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419970631424376 [2024-10-24 15:30:49,056 INFO L175 Difference]: Start difference. First operand has 415 places, 408 transitions, 882 flow. Second operand 3 states and 1283 transitions. [2024-10-24 15:30:49,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 408 transitions, 922 flow [2024-10-24 15:30:49,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 408 transitions, 922 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:30:49,061 INFO L231 Difference]: Finished difference. Result has 414 places, 406 transitions, 888 flow [2024-10-24 15:30:49,065 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=888, PETRI_PLACES=414, PETRI_TRANSITIONS=406} [2024-10-24 15:30:49,066 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -11 predicate places. [2024-10-24 15:30:49,066 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 406 transitions, 888 flow [2024-10-24 15:30:49,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:49,067 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:49,067 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] [2024-10-24 15:30:49,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 15:30:49,067 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:49,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:49,068 INFO L85 PathProgramCache]: Analyzing trace with hash -85243873, now seen corresponding path program 1 times [2024-10-24 15:30:49,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:49,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128531558] [2024-10-24 15:30:49,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:49,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:49,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:49,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128531558] [2024-10-24 15:30:49,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128531558] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:49,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:49,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:49,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121525204] [2024-10-24 15:30:49,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:49,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:49,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:49,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:49,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:49,130 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 454 [2024-10-24 15:30:49,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 406 transitions, 888 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:49,132 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:49,132 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 454 [2024-10-24 15:30:49,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:49,325 INFO L124 PetriNetUnfolderBase]: 121/1554 cut-off events. [2024-10-24 15:30:49,326 INFO L125 PetriNetUnfolderBase]: For 21/45 co-relation queries the response was YES. [2024-10-24 15:30:49,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1849 conditions, 1554 events. 121/1554 cut-off events. For 21/45 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 9833 event pairs, 52 based on Foata normal form. 3/1362 useless extension candidates. Maximal degree in co-relation 1555. Up to 191 conditions per place. [2024-10-24 15:30:49,337 INFO L140 encePairwiseOnDemand]: 448/454 looper letters, 17 selfloop transitions, 2 changer transitions 0/406 dead transitions. [2024-10-24 15:30:49,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 406 transitions, 928 flow [2024-10-24 15:30:49,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:49,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:49,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2024-10-24 15:30:49,339 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419970631424376 [2024-10-24 15:30:49,339 INFO L175 Difference]: Start difference. First operand has 414 places, 406 transitions, 888 flow. Second operand 3 states and 1283 transitions. [2024-10-24 15:30:49,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 406 transitions, 928 flow [2024-10-24 15:30:49,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 406 transitions, 928 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:30:49,343 INFO L231 Difference]: Finished difference. Result has 413 places, 404 transitions, 894 flow [2024-10-24 15:30:49,344 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=413, PETRI_TRANSITIONS=404} [2024-10-24 15:30:49,344 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-10-24 15:30:49,344 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 404 transitions, 894 flow [2024-10-24 15:30:49,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:49,345 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:49,346 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:49,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 15:30:49,346 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:49,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:49,346 INFO L85 PathProgramCache]: Analyzing trace with hash 845672241, now seen corresponding path program 1 times [2024-10-24 15:30:49,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:49,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91255730] [2024-10-24 15:30:49,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:49,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:49,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:49,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:49,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91255730] [2024-10-24 15:30:49,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91255730] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:49,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:49,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:49,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538210847] [2024-10-24 15:30:49,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:49,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:49,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:49,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:49,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:49,396 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 454 [2024-10-24 15:30:49,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 404 transitions, 894 flow. Second operand has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:49,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:49,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 454 [2024-10-24 15:30:49,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:49,614 INFO L124 PetriNetUnfolderBase]: 231/1986 cut-off events. [2024-10-24 15:30:49,614 INFO L125 PetriNetUnfolderBase]: For 51/53 co-relation queries the response was YES. [2024-10-24 15:30:49,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2492 conditions, 1986 events. 231/1986 cut-off events. For 51/53 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 13110 event pairs, 76 based on Foata normal form. 0/1789 useless extension candidates. Maximal degree in co-relation 2096. Up to 364 conditions per place. [2024-10-24 15:30:49,635 INFO L140 encePairwiseOnDemand]: 448/454 looper letters, 17 selfloop transitions, 2 changer transitions 0/404 dead transitions. [2024-10-24 15:30:49,636 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 404 transitions, 934 flow [2024-10-24 15:30:49,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:49,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:49,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2024-10-24 15:30:49,641 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419970631424376 [2024-10-24 15:30:49,641 INFO L175 Difference]: Start difference. First operand has 413 places, 404 transitions, 894 flow. Second operand 3 states and 1283 transitions. [2024-10-24 15:30:49,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 404 transitions, 934 flow [2024-10-24 15:30:49,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 404 transitions, 934 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:30:49,647 INFO L231 Difference]: Finished difference. Result has 412 places, 402 transitions, 900 flow [2024-10-24 15:30:49,647 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=900, PETRI_PLACES=412, PETRI_TRANSITIONS=402} [2024-10-24 15:30:49,649 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-10-24 15:30:49,649 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 402 transitions, 900 flow [2024-10-24 15:30:49,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:49,650 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:49,650 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:49,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 15:30:49,650 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:49,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:49,651 INFO L85 PathProgramCache]: Analyzing trace with hash -2049955640, now seen corresponding path program 1 times [2024-10-24 15:30:49,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:49,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306833569] [2024-10-24 15:30:49,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:49,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:49,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:49,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:49,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306833569] [2024-10-24 15:30:49,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306833569] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:49,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:49,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:49,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273635206] [2024-10-24 15:30:49,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:49,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:49,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:49,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:49,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:49,712 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 454 [2024-10-24 15:30:49,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 402 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:49,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:49,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 454 [2024-10-24 15:30:49,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:49,860 INFO L124 PetriNetUnfolderBase]: 55/1300 cut-off events. [2024-10-24 15:30:49,860 INFO L125 PetriNetUnfolderBase]: For 7/31 co-relation queries the response was YES. [2024-10-24 15:30:49,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1519 conditions, 1300 events. 55/1300 cut-off events. For 7/31 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6941 event pairs, 4 based on Foata normal form. 4/1205 useless extension candidates. Maximal degree in co-relation 1196. Up to 30 conditions per place. [2024-10-24 15:30:49,874 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2024-10-24 15:30:49,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 403 transitions, 930 flow [2024-10-24 15:30:49,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:49,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:49,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-24 15:30:49,877 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-24 15:30:49,877 INFO L175 Difference]: Start difference. First operand has 412 places, 402 transitions, 900 flow. Second operand 3 states and 1295 transitions. [2024-10-24 15:30:49,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 403 transitions, 930 flow [2024-10-24 15:30:49,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 403 transitions, 930 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:30:49,882 INFO L231 Difference]: Finished difference. Result has 413 places, 401 transitions, 902 flow [2024-10-24 15:30:49,883 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=411, 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=902, PETRI_PLACES=413, PETRI_TRANSITIONS=401} [2024-10-24 15:30:49,883 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-10-24 15:30:49,883 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 401 transitions, 902 flow [2024-10-24 15:30:49,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:49,884 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:49,884 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:49,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 15:30:49,884 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:49,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:49,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1092350566, now seen corresponding path program 1 times [2024-10-24 15:30:49,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:49,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118173826] [2024-10-24 15:30:49,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:49,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:49,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:49,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:49,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118173826] [2024-10-24 15:30:49,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118173826] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:49,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:49,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:49,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47386573] [2024-10-24 15:30:49,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:49,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:49,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:49,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:49,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:49,937 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-24 15:30:49,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 401 transitions, 902 flow. Second operand has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:49,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:49,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-24 15:30:49,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:50,155 INFO L124 PetriNetUnfolderBase]: 81/1576 cut-off events. [2024-10-24 15:30:50,156 INFO L125 PetriNetUnfolderBase]: For 19/31 co-relation queries the response was YES. [2024-10-24 15:30:50,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1889 conditions, 1576 events. 81/1576 cut-off events. For 19/31 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 9341 event pairs, 14 based on Foata normal form. 1/1465 useless extension candidates. Maximal degree in co-relation 1758. Up to 53 conditions per place. [2024-10-24 15:30:50,166 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 12 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-10-24 15:30:50,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 402 transitions, 934 flow [2024-10-24 15:30:50,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:50,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:50,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1293 transitions. [2024-10-24 15:30:50,170 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9493392070484582 [2024-10-24 15:30:50,170 INFO L175 Difference]: Start difference. First operand has 413 places, 401 transitions, 902 flow. Second operand 3 states and 1293 transitions. [2024-10-24 15:30:50,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 402 transitions, 934 flow [2024-10-24 15:30:50,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 402 transitions, 930 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:50,176 INFO L231 Difference]: Finished difference. Result has 412 places, 400 transitions, 900 flow [2024-10-24 15:30:50,177 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=896, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=900, PETRI_PLACES=412, PETRI_TRANSITIONS=400} [2024-10-24 15:30:50,177 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-10-24 15:30:50,177 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 400 transitions, 900 flow [2024-10-24 15:30:50,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:50,178 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:50,178 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:50,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 15:30:50,178 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:50,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:50,179 INFO L85 PathProgramCache]: Analyzing trace with hash -370909162, now seen corresponding path program 1 times [2024-10-24 15:30:50,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:50,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171362621] [2024-10-24 15:30:50,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:50,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:50,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:50,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:50,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171362621] [2024-10-24 15:30:50,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171362621] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:50,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:50,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:50,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733575673] [2024-10-24 15:30:50,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:50,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:50,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:50,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:50,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:50,243 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-24 15:30:50,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 400 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:50,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:50,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-24 15:30:50,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:50,421 INFO L124 PetriNetUnfolderBase]: 65/1219 cut-off events. [2024-10-24 15:30:50,421 INFO L125 PetriNetUnfolderBase]: For 25/31 co-relation queries the response was YES. [2024-10-24 15:30:50,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1506 conditions, 1219 events. 65/1219 cut-off events. For 25/31 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6137 event pairs, 10 based on Foata normal form. 0/1146 useless extension candidates. Maximal degree in co-relation 1397. Up to 63 conditions per place. [2024-10-24 15:30:50,434 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 12 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2024-10-24 15:30:50,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 401 transitions, 932 flow [2024-10-24 15:30:50,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:50,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:50,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1293 transitions. [2024-10-24 15:30:50,436 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9493392070484582 [2024-10-24 15:30:50,436 INFO L175 Difference]: Start difference. First operand has 412 places, 400 transitions, 900 flow. Second operand 3 states and 1293 transitions. [2024-10-24 15:30:50,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 401 transitions, 932 flow [2024-10-24 15:30:50,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 401 transitions, 928 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:50,441 INFO L231 Difference]: Finished difference. Result has 411 places, 399 transitions, 898 flow [2024-10-24 15:30:50,441 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=898, PETRI_PLACES=411, PETRI_TRANSITIONS=399} [2024-10-24 15:30:50,442 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -14 predicate places. [2024-10-24 15:30:50,442 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 399 transitions, 898 flow [2024-10-24 15:30:50,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:50,442 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:50,443 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:50,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 15:30:50,443 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:50,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:50,443 INFO L85 PathProgramCache]: Analyzing trace with hash -433715592, now seen corresponding path program 1 times [2024-10-24 15:30:50,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:50,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112756475] [2024-10-24 15:30:50,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:50,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:50,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:50,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:50,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112756475] [2024-10-24 15:30:50,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112756475] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:50,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:50,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:50,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229260302] [2024-10-24 15:30:50,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:50,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:50,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:50,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:50,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:50,511 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 454 [2024-10-24 15:30:50,512 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 399 transitions, 898 flow. Second operand has 3 states, 3 states have (on average 432.0) internal successors, (1296), 3 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:50,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:50,513 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 454 [2024-10-24 15:30:50,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:50,675 INFO L124 PetriNetUnfolderBase]: 49/1259 cut-off events. [2024-10-24 15:30:50,675 INFO L125 PetriNetUnfolderBase]: For 7/16 co-relation queries the response was YES. [2024-10-24 15:30:50,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1483 conditions, 1259 events. 49/1259 cut-off events. For 7/16 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6503 event pairs, 2 based on Foata normal form. 0/1185 useless extension candidates. Maximal degree in co-relation 1326. Up to 30 conditions per place. [2024-10-24 15:30:50,682 INFO L140 encePairwiseOnDemand]: 452/454 looper letters, 8 selfloop transitions, 1 changer transitions 0/398 dead transitions. [2024-10-24 15:30:50,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 398 transitions, 914 flow [2024-10-24 15:30:50,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:50,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:50,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1297 transitions. [2024-10-24 15:30:50,684 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9522760646108663 [2024-10-24 15:30:50,684 INFO L175 Difference]: Start difference. First operand has 411 places, 399 transitions, 898 flow. Second operand 3 states and 1297 transitions. [2024-10-24 15:30:50,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 398 transitions, 914 flow [2024-10-24 15:30:50,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 398 transitions, 910 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:50,689 INFO L231 Difference]: Finished difference. Result has 410 places, 398 transitions, 894 flow [2024-10-24 15:30:50,689 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=410, PETRI_TRANSITIONS=398} [2024-10-24 15:30:50,689 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -15 predicate places. [2024-10-24 15:30:50,690 INFO L471 AbstractCegarLoop]: Abstraction has has 410 places, 398 transitions, 894 flow [2024-10-24 15:30:50,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.0) internal successors, (1296), 3 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:50,690 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:50,690 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:50,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-24 15:30:50,690 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:50,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:50,691 INFO L85 PathProgramCache]: Analyzing trace with hash 41553439, now seen corresponding path program 1 times [2024-10-24 15:30:50,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:50,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047405366] [2024-10-24 15:30:50,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:50,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:50,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:50,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:50,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047405366] [2024-10-24 15:30:50,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047405366] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:50,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:50,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:50,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600657258] [2024-10-24 15:30:50,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:50,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:50,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:50,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:50,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:50,756 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-24 15:30:50,757 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 398 transitions, 894 flow. Second operand has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:50,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:50,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-24 15:30:50,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:50,911 INFO L124 PetriNetUnfolderBase]: 60/1492 cut-off events. [2024-10-24 15:30:50,911 INFO L125 PetriNetUnfolderBase]: For 7/13 co-relation queries the response was YES. [2024-10-24 15:30:50,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1730 conditions, 1492 events. 60/1492 cut-off events. For 7/13 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 8525 event pairs, 7 based on Foata normal form. 0/1401 useless extension candidates. Maximal degree in co-relation 1694. Up to 36 conditions per place. [2024-10-24 15:30:50,925 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 10 selfloop transitions, 1 changer transitions 0/396 dead transitions. [2024-10-24 15:30:50,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 396 transitions, 912 flow [2024-10-24 15:30:50,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:50,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:50,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1291 transitions. [2024-10-24 15:30:50,928 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478707782672541 [2024-10-24 15:30:50,928 INFO L175 Difference]: Start difference. First operand has 410 places, 398 transitions, 894 flow. Second operand 3 states and 1291 transitions. [2024-10-24 15:30:50,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 396 transitions, 912 flow [2024-10-24 15:30:50,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 396 transitions, 911 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:30:50,932 INFO L231 Difference]: Finished difference. Result has 409 places, 396 transitions, 891 flow [2024-10-24 15:30:50,933 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=889, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=891, PETRI_PLACES=409, PETRI_TRANSITIONS=396} [2024-10-24 15:30:50,933 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -16 predicate places. [2024-10-24 15:30:50,933 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 396 transitions, 891 flow [2024-10-24 15:30:50,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:50,934 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:50,934 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:50,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-24 15:30:50,934 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-24 15:30:50,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:50,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1033353884, now seen corresponding path program 1 times [2024-10-24 15:30:50,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:50,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159620004] [2024-10-24 15:30:50,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:50,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:51,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:51,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:51,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159620004] [2024-10-24 15:30:51,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159620004] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:51,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:51,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:51,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275764470] [2024-10-24 15:30:51,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:51,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:51,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:51,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:51,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:51,011 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-24 15:30:51,012 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 396 transitions, 891 flow. Second operand has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:51,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:51,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-24 15:30:51,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:51,152 INFO L124 PetriNetUnfolderBase]: 50/1171 cut-off events. [2024-10-24 15:30:51,152 INFO L125 PetriNetUnfolderBase]: For 10/16 co-relation queries the response was YES. [2024-10-24 15:30:51,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1374 conditions, 1171 events. 50/1171 cut-off events. For 10/16 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5851 event pairs, 5 based on Foata normal form. 1/1103 useless extension candidates. Maximal degree in co-relation 1349. Up to 36 conditions per place. [2024-10-24 15:30:51,158 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 0 selfloop transitions, 0 changer transitions 394/394 dead transitions. [2024-10-24 15:30:51,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 394 transitions, 907 flow [2024-10-24 15:30:51,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:51,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1290 transitions. [2024-10-24 15:30:51,162 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.947136563876652 [2024-10-24 15:30:51,162 INFO L175 Difference]: Start difference. First operand has 409 places, 396 transitions, 891 flow. Second operand 3 states and 1290 transitions. [2024-10-24 15:30:51,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 394 transitions, 907 flow [2024-10-24 15:30:51,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 394 transitions, 906 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:30:51,166 INFO L231 Difference]: Finished difference. Result has 408 places, 0 transitions, 0 flow [2024-10-24 15:30:51,166 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=408, PETRI_TRANSITIONS=0} [2024-10-24 15:30:51,167 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -17 predicate places. [2024-10-24 15:30:51,167 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 0 transitions, 0 flow [2024-10-24 15:30:51,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:51,174 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (70 of 71 remaining) [2024-10-24 15:30:51,174 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (69 of 71 remaining) [2024-10-24 15:30:51,174 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (68 of 71 remaining) [2024-10-24 15:30:51,174 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (67 of 71 remaining) [2024-10-24 15:30:51,174 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (66 of 71 remaining) [2024-10-24 15:30:51,174 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (65 of 71 remaining) [2024-10-24 15:30:51,174 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (64 of 71 remaining) [2024-10-24 15:30:51,174 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (63 of 71 remaining) [2024-10-24 15:30:51,174 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (62 of 71 remaining) [2024-10-24 15:30:51,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (61 of 71 remaining) [2024-10-24 15:30:51,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (60 of 71 remaining) [2024-10-24 15:30:51,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (59 of 71 remaining) [2024-10-24 15:30:51,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (58 of 71 remaining) [2024-10-24 15:30:51,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (57 of 71 remaining) [2024-10-24 15:30:51,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (56 of 71 remaining) [2024-10-24 15:30:51,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (55 of 71 remaining) [2024-10-24 15:30:51,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (54 of 71 remaining) [2024-10-24 15:30:51,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (53 of 71 remaining) [2024-10-24 15:30:51,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (52 of 71 remaining) [2024-10-24 15:30:51,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (51 of 71 remaining) [2024-10-24 15:30:51,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (50 of 71 remaining) [2024-10-24 15:30:51,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (49 of 71 remaining) [2024-10-24 15:30:51,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (48 of 71 remaining) [2024-10-24 15:30:51,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (47 of 71 remaining) [2024-10-24 15:30:51,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (46 of 71 remaining) [2024-10-24 15:30:51,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (45 of 71 remaining) [2024-10-24 15:30:51,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (44 of 71 remaining) [2024-10-24 15:30:51,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (43 of 71 remaining) [2024-10-24 15:30:51,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (42 of 71 remaining) [2024-10-24 15:30:51,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (41 of 71 remaining) [2024-10-24 15:30:51,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (40 of 71 remaining) [2024-10-24 15:30:51,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (39 of 71 remaining) [2024-10-24 15:30:51,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 71 remaining) [2024-10-24 15:30:51,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (37 of 71 remaining) [2024-10-24 15:30:51,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (36 of 71 remaining) [2024-10-24 15:30:51,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (35 of 71 remaining) [2024-10-24 15:30:51,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (34 of 71 remaining) [2024-10-24 15:30:51,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (33 of 71 remaining) [2024-10-24 15:30:51,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (32 of 71 remaining) [2024-10-24 15:30:51,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (31 of 71 remaining) [2024-10-24 15:30:51,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (30 of 71 remaining) [2024-10-24 15:30:51,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 71 remaining) [2024-10-24 15:30:51,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 71 remaining) [2024-10-24 15:30:51,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 71 remaining) [2024-10-24 15:30:51,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 71 remaining) [2024-10-24 15:30:51,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 71 remaining) [2024-10-24 15:30:51,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 71 remaining) [2024-10-24 15:30:51,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 71 remaining) [2024-10-24 15:30:51,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 71 remaining) [2024-10-24 15:30:51,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 71 remaining) [2024-10-24 15:30:51,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (20 of 71 remaining) [2024-10-24 15:30:51,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (19 of 71 remaining) [2024-10-24 15:30:51,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (18 of 71 remaining) [2024-10-24 15:30:51,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 71 remaining) [2024-10-24 15:30:51,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 71 remaining) [2024-10-24 15:30:51,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 71 remaining) [2024-10-24 15:30:51,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 71 remaining) [2024-10-24 15:30:51,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 71 remaining) [2024-10-24 15:30:51,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 71 remaining) [2024-10-24 15:30:51,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 71 remaining) [2024-10-24 15:30:51,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 71 remaining) [2024-10-24 15:30:51,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 71 remaining) [2024-10-24 15:30:51,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 71 remaining) [2024-10-24 15:30:51,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 71 remaining) [2024-10-24 15:30:51,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 71 remaining) [2024-10-24 15:30:51,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 71 remaining) [2024-10-24 15:30:51,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 71 remaining) [2024-10-24 15:30:51,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 71 remaining) [2024-10-24 15:30:51,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 71 remaining) [2024-10-24 15:30:51,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 71 remaining) [2024-10-24 15:30:51,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 71 remaining) [2024-10-24 15:30:51,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-24 15:30:51,182 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] [2024-10-24 15:30:51,188 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:30:51,188 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:30:51,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:30:51 BasicIcfg [2024-10-24 15:30:51,192 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:30:51,193 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:30:51,193 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:30:51,193 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:30:51,193 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:30:44" (3/4) ... [2024-10-24 15:30:51,195 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:30:51,198 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-24 15:30:51,198 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-24 15:30:51,198 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-24 15:30:51,203 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-24 15:30:51,204 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 15:30:51,204 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:30:51,204 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:30:51,283 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:30:51,284 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:30:51,284 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:30:51,284 INFO L158 Benchmark]: Toolchain (without parser) took 8200.87ms. Allocated memory was 153.1MB in the beginning and 541.1MB in the end (delta: 388.0MB). Free memory was 98.4MB in the beginning and 464.3MB in the end (delta: -365.8MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-10-24 15:30:51,284 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:30:51,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.96ms. Allocated memory is still 153.1MB. Free memory was 98.1MB in the beginning and 84.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 15:30:51,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.67ms. Allocated memory is still 153.1MB. Free memory was 84.2MB in the beginning and 81.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:30:51,285 INFO L158 Benchmark]: Boogie Preprocessor took 23.63ms. Allocated memory is still 153.1MB. Free memory was 81.3MB in the beginning and 79.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:30:51,285 INFO L158 Benchmark]: RCFGBuilder took 635.90ms. Allocated memory was 153.1MB in the beginning and 245.4MB in the end (delta: 92.3MB). Free memory was 79.6MB in the beginning and 204.5MB in the end (delta: -124.9MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-10-24 15:30:51,285 INFO L158 Benchmark]: TraceAbstraction took 7060.56ms. Allocated memory was 245.4MB in the beginning and 541.1MB in the end (delta: 295.7MB). Free memory was 203.4MB in the beginning and 469.5MB in the end (delta: -266.1MB). Peak memory consumption was 313.8MB. Max. memory is 16.1GB. [2024-10-24 15:30:51,286 INFO L158 Benchmark]: Witness Printer took 90.94ms. Allocated memory is still 541.1MB. Free memory was 469.5MB in the beginning and 464.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:30:51,287 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.96ms. Allocated memory is still 153.1MB. Free memory was 98.1MB in the beginning and 84.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.67ms. Allocated memory is still 153.1MB. Free memory was 84.2MB in the beginning and 81.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.63ms. Allocated memory is still 153.1MB. Free memory was 81.3MB in the beginning and 79.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 635.90ms. Allocated memory was 153.1MB in the beginning and 245.4MB in the end (delta: 92.3MB). Free memory was 79.6MB in the beginning and 204.5MB in the end (delta: -124.9MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7060.56ms. Allocated memory was 245.4MB in the beginning and 541.1MB in the end (delta: 295.7MB). Free memory was 203.4MB in the beginning and 469.5MB in the end (delta: -266.1MB). Peak memory consumption was 313.8MB. Max. memory is 16.1GB. * Witness Printer took 90.94ms. Allocated memory is still 541.1MB. Free memory was 469.5MB in the beginning and 464.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: 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: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 710 locations, 71 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.9s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 527 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 129 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 642 IncrementalHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 129 mSDtfsCounter, 642 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=902occurred in iteration=19, InterpolantAutomatonStates: 72, 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, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 3270 NumberOfCodeBlocks, 3270 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3246 ConstructedInterpolants, 0 QuantifiedInterpolants, 3294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:30:51,315 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