./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b034d85232772d264d33ccb960d3ce3e7bf57df858fd0c6fd0b22127388c3f9a --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:58:39,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:58:39,501 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:58:39,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:58:39,510 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:58:39,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:58:39,544 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:58:39,544 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:58:39,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:58:39,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:58:39,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:58:39,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:58:39,547 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:58:39,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:58:39,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:58:39,552 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:58:39,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:58:39,553 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:58:39,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:58:39,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:58:39,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:58:39,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:58:39,556 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:58:39,557 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:58:39,557 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:58:39,557 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:58:39,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:58:39,558 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:58:39,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:58:39,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:58:39,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:58:39,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:58:39,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:58:39,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:58:39,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:58:39,561 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:58:39,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:58:39,561 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:58:39,562 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:58:39,562 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:58:39,562 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:58:39,562 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b034d85232772d264d33ccb960d3ce3e7bf57df858fd0c6fd0b22127388c3f9a [2024-11-09 06:58:39,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:58:39,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:58:39,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:58:39,847 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:58:39,848 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:58:39,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c [2024-11-09 06:58:41,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:58:41,548 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:58:41,549 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c [2024-11-09 06:58:41,556 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b1ea11bd/92fe250b1859421888169a38bdfc57f1/FLAG05d859019 [2024-11-09 06:58:41,574 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b1ea11bd/92fe250b1859421888169a38bdfc57f1 [2024-11-09 06:58:41,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:58:41,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:58:41,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:58:41,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:58:41,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:58:41,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:58:41" (1/1) ... [2024-11-09 06:58:41,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f2b6be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:41, skipping insertion in model container [2024-11-09 06:58:41,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:58:41" (1/1) ... [2024-11-09 06:58:41,611 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:58:41,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:58:41,874 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:58:41,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:58:41,941 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:58:41,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:41 WrapperNode [2024-11-09 06:58:41,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:58:41,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:58:41,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:58:41,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:58:41,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:41" (1/1) ... [2024-11-09 06:58:41,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:41" (1/1) ... [2024-11-09 06:58:42,012 INFO L138 Inliner]: procedures = 23, calls = 26, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 277 [2024-11-09 06:58:42,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:58:42,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:58:42,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:58:42,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:58:42,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:41" (1/1) ... [2024-11-09 06:58:42,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:41" (1/1) ... [2024-11-09 06:58:42,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:41" (1/1) ... [2024-11-09 06:58:42,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:41" (1/1) ... [2024-11-09 06:58:42,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:41" (1/1) ... [2024-11-09 06:58:42,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:41" (1/1) ... [2024-11-09 06:58:42,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:41" (1/1) ... [2024-11-09 06:58:42,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:41" (1/1) ... [2024-11-09 06:58:42,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:58:42,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:58:42,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:58:42,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:58:42,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:41" (1/1) ... [2024-11-09 06:58:42,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:58:42,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:58:42,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 06:58:42,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 06:58:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:58:42,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 06:58:42,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 06:58:42,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 06:58:42,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 06:58:42,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:58:42,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:58:42,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:58:42,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:58:42,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:58:42,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:58:42,186 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:58:42,330 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:58:42,336 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:58:42,995 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:58:42,996 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:58:43,026 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:58:43,026 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 06:58:43,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:58:43 BoogieIcfgContainer [2024-11-09 06:58:43,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:58:43,029 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:58:43,030 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:58:43,033 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:58:43,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:58:41" (1/3) ... [2024-11-09 06:58:43,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8a5c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:58:43, skipping insertion in model container [2024-11-09 06:58:43,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:41" (2/3) ... [2024-11-09 06:58:43,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8a5c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:58:43, skipping insertion in model container [2024-11-09 06:58:43,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:58:43" (3/3) ... [2024-11-09 06:58:43,036 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-opt-symm.wvr.c [2024-11-09 06:58:43,054 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:58:43,055 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-09 06:58:43,056 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:58:43,185 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-09 06:58:43,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 334 places, 346 transitions, 706 flow [2024-11-09 06:58:43,378 INFO L124 PetriNetUnfolderBase]: 19/344 cut-off events. [2024-11-09 06:58:43,378 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 06:58:43,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 353 conditions, 344 events. 19/344 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 657 event pairs, 0 based on Foata normal form. 0/295 useless extension candidates. Maximal degree in co-relation 236. Up to 3 conditions per place. [2024-11-09 06:58:43,393 INFO L82 GeneralOperation]: Start removeDead. Operand has 334 places, 346 transitions, 706 flow [2024-11-09 06:58:43,405 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 316 places, 327 transitions, 666 flow [2024-11-09 06:58:43,419 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:58:43,428 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;@7c0f8ba0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:58:43,428 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-11-09 06:58:43,441 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:58:43,441 INFO L124 PetriNetUnfolderBase]: 3/59 cut-off events. [2024-11-09 06:58:43,442 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:58:43,442 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:43,443 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] [2024-11-09 06:58:43,443 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:43,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:43,450 INFO L85 PathProgramCache]: Analyzing trace with hash 7340901, now seen corresponding path program 1 times [2024-11-09 06:58:43,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:43,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984713335] [2024-11-09 06:58:43,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:43,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:44,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:44,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:44,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984713335] [2024-11-09 06:58:44,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984713335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:44,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:44,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:58:44,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201492045] [2024-11-09 06:58:44,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:44,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:58:44,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:44,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:58:44,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:58:44,805 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 346 [2024-11-09 06:58:44,816 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 327 transitions, 666 flow. Second operand has 6 states, 6 states have (on average 271.5) internal successors, (1629), 6 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:44,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:44,817 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 346 [2024-11-09 06:58:44,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:45,275 INFO L124 PetriNetUnfolderBase]: 424/2283 cut-off events. [2024-11-09 06:58:45,276 INFO L125 PetriNetUnfolderBase]: For 158/159 co-relation queries the response was YES. [2024-11-09 06:58:45,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3088 conditions, 2283 events. 424/2283 cut-off events. For 158/159 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 16082 event pairs, 288 based on Foata normal form. 100/1987 useless extension candidates. Maximal degree in co-relation 2685. Up to 709 conditions per place. [2024-11-09 06:58:45,296 INFO L140 encePairwiseOnDemand]: 324/346 looper letters, 52 selfloop transitions, 10 changer transitions 4/315 dead transitions. [2024-11-09 06:58:45,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 315 transitions, 766 flow [2024-11-09 06:58:45,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:58:45,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:58:45,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1694 transitions. [2024-11-09 06:58:45,324 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8159922928709056 [2024-11-09 06:58:45,325 INFO L175 Difference]: Start difference. First operand has 316 places, 327 transitions, 666 flow. Second operand 6 states and 1694 transitions. [2024-11-09 06:58:45,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 315 transitions, 766 flow [2024-11-09 06:58:45,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 315 transitions, 758 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-09 06:58:45,341 INFO L231 Difference]: Finished difference. Result has 315 places, 311 transitions, 646 flow [2024-11-09 06:58:45,344 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=646, PETRI_PLACES=315, PETRI_TRANSITIONS=311} [2024-11-09 06:58:45,350 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -1 predicate places. [2024-11-09 06:58:45,350 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 311 transitions, 646 flow [2024-11-09 06:58:45,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 271.5) internal successors, (1629), 6 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:45,352 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:45,352 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:45,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:58:45,353 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:45,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:45,355 INFO L85 PathProgramCache]: Analyzing trace with hash -668924992, now seen corresponding path program 1 times [2024-11-09 06:58:45,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:45,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684479161] [2024-11-09 06:58:45,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:45,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:45,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:45,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:45,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684479161] [2024-11-09 06:58:45,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684479161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:45,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:45,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:45,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740011382] [2024-11-09 06:58:45,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:45,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:45,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:45,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:45,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:45,443 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 346 [2024-11-09 06:58:45,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 311 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:45,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:45,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 346 [2024-11-09 06:58:45,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:45,531 INFO L124 PetriNetUnfolderBase]: 22/488 cut-off events. [2024-11-09 06:58:45,532 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-09 06:58:45,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 488 events. 22/488 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1546 event pairs, 8 based on Foata normal form. 0/419 useless extension candidates. Maximal degree in co-relation 501. Up to 28 conditions per place. [2024-11-09 06:58:45,538 INFO L140 encePairwiseOnDemand]: 343/346 looper letters, 11 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2024-11-09 06:58:45,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 310 transitions, 670 flow [2024-11-09 06:58:45,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:45,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:45,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2024-11-09 06:58:45,541 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9354527938342967 [2024-11-09 06:58:45,541 INFO L175 Difference]: Start difference. First operand has 315 places, 311 transitions, 646 flow. Second operand 3 states and 971 transitions. [2024-11-09 06:58:45,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 310 transitions, 670 flow [2024-11-09 06:58:45,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 310 transitions, 650 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:58:45,551 INFO L231 Difference]: Finished difference. Result has 307 places, 310 transitions, 628 flow [2024-11-09 06:58:45,552 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=307, PETRI_TRANSITIONS=310} [2024-11-09 06:58:45,552 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -9 predicate places. [2024-11-09 06:58:45,553 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 310 transitions, 628 flow [2024-11-09 06:58:45,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:45,554 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:45,554 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:45,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:58:45,554 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:45,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:45,555 INFO L85 PathProgramCache]: Analyzing trace with hash -2033357872, now seen corresponding path program 1 times [2024-11-09 06:58:45,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:45,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933731519] [2024-11-09 06:58:45,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:45,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:45,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:45,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933731519] [2024-11-09 06:58:45,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933731519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:45,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:45,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:45,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255917819] [2024-11-09 06:58:45,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:45,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:45,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:45,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:45,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:45,650 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 346 [2024-11-09 06:58:45,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 310 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:45,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:45,652 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 346 [2024-11-09 06:58:45,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:45,730 INFO L124 PetriNetUnfolderBase]: 22/487 cut-off events. [2024-11-09 06:58:45,731 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-09 06:58:45,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 487 events. 22/487 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1433 event pairs, 8 based on Foata normal form. 0/419 useless extension candidates. Maximal degree in co-relation 456. Up to 28 conditions per place. [2024-11-09 06:58:45,735 INFO L140 encePairwiseOnDemand]: 343/346 looper letters, 11 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2024-11-09 06:58:45,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 309 transitions, 652 flow [2024-11-09 06:58:45,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:45,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:45,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2024-11-09 06:58:45,738 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9354527938342967 [2024-11-09 06:58:45,738 INFO L175 Difference]: Start difference. First operand has 307 places, 310 transitions, 628 flow. Second operand 3 states and 971 transitions. [2024-11-09 06:58:45,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 309 transitions, 652 flow [2024-11-09 06:58:45,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 309 transitions, 648 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:45,744 INFO L231 Difference]: Finished difference. Result has 306 places, 309 transitions, 626 flow [2024-11-09 06:58:45,744 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=306, PETRI_TRANSITIONS=309} [2024-11-09 06:58:45,745 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -10 predicate places. [2024-11-09 06:58:45,746 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 309 transitions, 626 flow [2024-11-09 06:58:45,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:45,747 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:45,747 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:45,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:58:45,748 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:45,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:45,749 INFO L85 PathProgramCache]: Analyzing trace with hash -443523946, now seen corresponding path program 1 times [2024-11-09 06:58:45,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:45,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097119136] [2024-11-09 06:58:45,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:45,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:45,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:45,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:45,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097119136] [2024-11-09 06:58:45,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097119136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:45,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:45,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:45,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140649583] [2024-11-09 06:58:45,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:45,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:45,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:45,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:45,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:45,825 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 346 [2024-11-09 06:58:45,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 309 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:45,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:45,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 346 [2024-11-09 06:58:45,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:45,883 INFO L124 PetriNetUnfolderBase]: 17/468 cut-off events. [2024-11-09 06:58:45,884 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 06:58:45,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 468 events. 17/468 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1428 event pairs, 3 based on Foata normal form. 0/402 useless extension candidates. Maximal degree in co-relation 377. Up to 16 conditions per place. [2024-11-09 06:58:45,888 INFO L140 encePairwiseOnDemand]: 343/346 looper letters, 9 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2024-11-09 06:58:45,888 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 308 transitions, 646 flow [2024-11-09 06:58:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:45,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:45,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2024-11-09 06:58:45,891 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9393063583815029 [2024-11-09 06:58:45,891 INFO L175 Difference]: Start difference. First operand has 306 places, 309 transitions, 626 flow. Second operand 3 states and 975 transitions. [2024-11-09 06:58:45,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 308 transitions, 646 flow [2024-11-09 06:58:45,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 308 transitions, 642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:45,897 INFO L231 Difference]: Finished difference. Result has 305 places, 308 transitions, 624 flow [2024-11-09 06:58:45,898 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=624, PETRI_PLACES=305, PETRI_TRANSITIONS=308} [2024-11-09 06:58:45,898 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -11 predicate places. [2024-11-09 06:58:45,898 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 308 transitions, 624 flow [2024-11-09 06:58:45,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:45,899 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:45,899 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:45,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:58:45,900 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:45,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:45,900 INFO L85 PathProgramCache]: Analyzing trace with hash -754061302, now seen corresponding path program 1 times [2024-11-09 06:58:45,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:45,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186458327] [2024-11-09 06:58:45,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:45,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:45,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:45,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:45,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186458327] [2024-11-09 06:58:45,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186458327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:45,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:45,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:45,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625323800] [2024-11-09 06:58:45,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:45,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:45,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:45,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:45,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:45,981 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 346 [2024-11-09 06:58:45,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 308 transitions, 624 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:45,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:45,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 346 [2024-11-09 06:58:45,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:46,029 INFO L124 PetriNetUnfolderBase]: 14/395 cut-off events. [2024-11-09 06:58:46,029 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-09 06:58:46,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 420 conditions, 395 events. 14/395 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 963 event pairs, 3 based on Foata normal form. 0/345 useless extension candidates. Maximal degree in co-relation 296. Up to 16 conditions per place. [2024-11-09 06:58:46,033 INFO L140 encePairwiseOnDemand]: 343/346 looper letters, 9 selfloop transitions, 2 changer transitions 0/307 dead transitions. [2024-11-09 06:58:46,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 307 transitions, 644 flow [2024-11-09 06:58:46,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:46,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:46,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2024-11-09 06:58:46,035 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9393063583815029 [2024-11-09 06:58:46,036 INFO L175 Difference]: Start difference. First operand has 305 places, 308 transitions, 624 flow. Second operand 3 states and 975 transitions. [2024-11-09 06:58:46,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 307 transitions, 644 flow [2024-11-09 06:58:46,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 307 transitions, 640 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:46,041 INFO L231 Difference]: Finished difference. Result has 304 places, 307 transitions, 622 flow [2024-11-09 06:58:46,041 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=304, PETRI_TRANSITIONS=307} [2024-11-09 06:58:46,042 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -12 predicate places. [2024-11-09 06:58:46,042 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 307 transitions, 622 flow [2024-11-09 06:58:46,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:46,044 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:46,044 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] [2024-11-09 06:58:46,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:58:46,044 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:46,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:46,045 INFO L85 PathProgramCache]: Analyzing trace with hash 470308048, now seen corresponding path program 1 times [2024-11-09 06:58:46,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:46,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972120649] [2024-11-09 06:58:46,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:46,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:46,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:46,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:46,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972120649] [2024-11-09 06:58:46,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972120649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:46,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:46,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:46,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851327172] [2024-11-09 06:58:46,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:46,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:46,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:46,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:46,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:46,101 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 346 [2024-11-09 06:58:46,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 307 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 324.3333333333333) internal successors, (973), 3 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:46,102 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:46,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 346 [2024-11-09 06:58:46,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:46,197 INFO L124 PetriNetUnfolderBase]: 31/684 cut-off events. [2024-11-09 06:58:46,197 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 06:58:46,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 721 conditions, 684 events. 31/684 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2991 event pairs, 5 based on Foata normal form. 0/585 useless extension candidates. Maximal degree in co-relation 589. Up to 25 conditions per place. [2024-11-09 06:58:46,203 INFO L140 encePairwiseOnDemand]: 342/346 looper letters, 10 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2024-11-09 06:58:46,203 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 308 transitions, 649 flow [2024-11-09 06:58:46,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:46,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:46,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions. [2024-11-09 06:58:46,207 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9470134874759152 [2024-11-09 06:58:46,207 INFO L175 Difference]: Start difference. First operand has 304 places, 307 transitions, 622 flow. Second operand 3 states and 983 transitions. [2024-11-09 06:58:46,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 308 transitions, 649 flow [2024-11-09 06:58:46,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 308 transitions, 645 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:46,216 INFO L231 Difference]: Finished difference. Result has 303 places, 307 transitions, 628 flow [2024-11-09 06:58:46,217 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=303, PETRI_TRANSITIONS=307} [2024-11-09 06:58:46,218 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -13 predicate places. [2024-11-09 06:58:46,218 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 307 transitions, 628 flow [2024-11-09 06:58:46,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.3333333333333) internal successors, (973), 3 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:46,219 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:46,219 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] [2024-11-09 06:58:46,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:58:46,220 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:46,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:46,220 INFO L85 PathProgramCache]: Analyzing trace with hash -183197735, now seen corresponding path program 1 times [2024-11-09 06:58:46,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:46,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831530329] [2024-11-09 06:58:46,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:46,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:46,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:46,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:46,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831530329] [2024-11-09 06:58:46,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831530329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:46,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:46,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:46,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168803042] [2024-11-09 06:58:46,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:46,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:46,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:46,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:46,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:46,285 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 346 [2024-11-09 06:58:46,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 307 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:46,287 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:46,287 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 346 [2024-11-09 06:58:46,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:46,366 INFO L124 PetriNetUnfolderBase]: 32/662 cut-off events. [2024-11-09 06:58:46,367 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-09 06:58:46,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 707 conditions, 662 events. 32/662 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3070 event pairs, 3 based on Foata normal form. 0/570 useless extension candidates. Maximal degree in co-relation 492. Up to 26 conditions per place. [2024-11-09 06:58:46,373 INFO L140 encePairwiseOnDemand]: 342/346 looper letters, 10 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2024-11-09 06:58:46,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 308 transitions, 655 flow [2024-11-09 06:58:46,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:46,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:46,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions. [2024-11-09 06:58:46,376 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9470134874759152 [2024-11-09 06:58:46,376 INFO L175 Difference]: Start difference. First operand has 303 places, 307 transitions, 628 flow. Second operand 3 states and 983 transitions. [2024-11-09 06:58:46,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 308 transitions, 655 flow [2024-11-09 06:58:46,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 308 transitions, 655 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:58:46,381 INFO L231 Difference]: Finished difference. Result has 304 places, 307 transitions, 638 flow [2024-11-09 06:58:46,382 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=638, PETRI_PLACES=304, PETRI_TRANSITIONS=307} [2024-11-09 06:58:46,383 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -12 predicate places. [2024-11-09 06:58:46,383 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 307 transitions, 638 flow [2024-11-09 06:58:46,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:46,384 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:46,384 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:46,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:58:46,385 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:46,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:46,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1149627104, now seen corresponding path program 1 times [2024-11-09 06:58:46,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:46,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929837237] [2024-11-09 06:58:46,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:46,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:46,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:46,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:46,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929837237] [2024-11-09 06:58:46,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929837237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:46,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:46,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:46,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468720252] [2024-11-09 06:58:46,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:46,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:46,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:46,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:46,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:46,447 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 346 [2024-11-09 06:58:46,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 307 transitions, 638 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:46,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:46,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 346 [2024-11-09 06:58:46,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:46,592 INFO L124 PetriNetUnfolderBase]: 80/1050 cut-off events. [2024-11-09 06:58:46,593 INFO L125 PetriNetUnfolderBase]: For 16/17 co-relation queries the response was YES. [2024-11-09 06:58:46,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1187 conditions, 1050 events. 80/1050 cut-off events. For 16/17 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5529 event pairs, 12 based on Foata normal form. 0/904 useless extension candidates. Maximal degree in co-relation 950. Up to 94 conditions per place. [2024-11-09 06:58:46,605 INFO L140 encePairwiseOnDemand]: 340/346 looper letters, 16 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2024-11-09 06:58:46,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 308 transitions, 679 flow [2024-11-09 06:58:46,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:46,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:46,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 973 transitions. [2024-11-09 06:58:46,609 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9373795761078998 [2024-11-09 06:58:46,609 INFO L175 Difference]: Start difference. First operand has 304 places, 307 transitions, 638 flow. Second operand 3 states and 973 transitions. [2024-11-09 06:58:46,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 308 transitions, 679 flow [2024-11-09 06:58:46,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 308 transitions, 679 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:58:46,616 INFO L231 Difference]: Finished difference. Result has 303 places, 305 transitions, 644 flow [2024-11-09 06:58:46,617 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=644, PETRI_PLACES=303, PETRI_TRANSITIONS=305} [2024-11-09 06:58:46,619 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -13 predicate places. [2024-11-09 06:58:46,619 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 305 transitions, 644 flow [2024-11-09 06:58:46,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:46,620 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:46,620 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:46,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:58:46,620 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:46,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:46,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1187443434, now seen corresponding path program 1 times [2024-11-09 06:58:46,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:46,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552020037] [2024-11-09 06:58:46,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:46,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:46,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:46,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:46,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552020037] [2024-11-09 06:58:46,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552020037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:46,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:46,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:46,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451144752] [2024-11-09 06:58:46,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:46,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:46,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:46,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:46,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:46,707 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 346 [2024-11-09 06:58:46,708 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 305 transitions, 644 flow. Second operand has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:46,709 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:46,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 346 [2024-11-09 06:58:46,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:46,847 INFO L124 PetriNetUnfolderBase]: 87/1086 cut-off events. [2024-11-09 06:58:46,848 INFO L125 PetriNetUnfolderBase]: For 17/22 co-relation queries the response was YES. [2024-11-09 06:58:46,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1255 conditions, 1086 events. 87/1086 cut-off events. For 17/22 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6024 event pairs, 13 based on Foata normal form. 0/961 useless extension candidates. Maximal degree in co-relation 1016. Up to 100 conditions per place. [2024-11-09 06:58:46,860 INFO L140 encePairwiseOnDemand]: 340/346 looper letters, 16 selfloop transitions, 2 changer transitions 0/306 dead transitions. [2024-11-09 06:58:46,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 306 transitions, 685 flow [2024-11-09 06:58:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:46,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:46,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 973 transitions. [2024-11-09 06:58:46,865 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9373795761078998 [2024-11-09 06:58:46,865 INFO L175 Difference]: Start difference. First operand has 303 places, 305 transitions, 644 flow. Second operand 3 states and 973 transitions. [2024-11-09 06:58:46,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 306 transitions, 685 flow [2024-11-09 06:58:46,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 306 transitions, 685 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:58:46,871 INFO L231 Difference]: Finished difference. Result has 302 places, 303 transitions, 650 flow [2024-11-09 06:58:46,872 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=302, PETRI_TRANSITIONS=303} [2024-11-09 06:58:46,873 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -14 predicate places. [2024-11-09 06:58:46,874 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 303 transitions, 650 flow [2024-11-09 06:58:46,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:46,875 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:46,875 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:46,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:58:46,875 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:46,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:46,876 INFO L85 PathProgramCache]: Analyzing trace with hash -399798556, now seen corresponding path program 1 times [2024-11-09 06:58:46,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:46,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662091696] [2024-11-09 06:58:46,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:46,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:46,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:46,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:46,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662091696] [2024-11-09 06:58:46,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662091696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:46,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:46,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:58:46,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849365578] [2024-11-09 06:58:46,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:46,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:58:46,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:46,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:58:46,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:58:47,090 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 346 [2024-11-09 06:58:47,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 303 transitions, 650 flow. Second operand has 5 states, 5 states have (on average 315.4) internal successors, (1577), 5 states have internal predecessors, (1577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:47,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:47,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 346 [2024-11-09 06:58:47,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:47,205 INFO L124 PetriNetUnfolderBase]: 31/653 cut-off events. [2024-11-09 06:58:47,205 INFO L125 PetriNetUnfolderBase]: For 6/9 co-relation queries the response was YES. [2024-11-09 06:58:47,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 653 events. 31/653 cut-off events. For 6/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2641 event pairs, 0 based on Foata normal form. 2/594 useless extension candidates. Maximal degree in co-relation 524. Up to 14 conditions per place. [2024-11-09 06:58:47,211 INFO L140 encePairwiseOnDemand]: 332/346 looper letters, 12 selfloop transitions, 12 changer transitions 0/305 dead transitions. [2024-11-09 06:58:47,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 305 transitions, 702 flow [2024-11-09 06:58:47,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:58:47,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 06:58:47,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1586 transitions. [2024-11-09 06:58:47,215 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9167630057803469 [2024-11-09 06:58:47,215 INFO L175 Difference]: Start difference. First operand has 302 places, 303 transitions, 650 flow. Second operand 5 states and 1586 transitions. [2024-11-09 06:58:47,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 305 transitions, 702 flow [2024-11-09 06:58:47,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 305 transitions, 702 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:58:47,221 INFO L231 Difference]: Finished difference. Result has 307 places, 305 transitions, 690 flow [2024-11-09 06:58:47,221 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=690, PETRI_PLACES=307, PETRI_TRANSITIONS=305} [2024-11-09 06:58:47,222 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -9 predicate places. [2024-11-09 06:58:47,222 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 305 transitions, 690 flow [2024-11-09 06:58:47,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 315.4) internal successors, (1577), 5 states have internal predecessors, (1577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:47,223 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:47,224 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] [2024-11-09 06:58:47,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:58:47,224 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:47,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:47,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1534637709, now seen corresponding path program 1 times [2024-11-09 06:58:47,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:47,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267174730] [2024-11-09 06:58:47,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:47,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:47,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 06:58:47,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:47,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267174730] [2024-11-09 06:58:47,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267174730] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:58:47,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411014192] [2024-11-09 06:58:47,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:47,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:58:47,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:58:47,447 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:58:47,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:58:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:47,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 06:58:47,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:58:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 06:58:47,797 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:58:47,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 06:58:47,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411014192] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:58:47,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:58:47,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-09 06:58:47,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490564346] [2024-11-09 06:58:47,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:58:47,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 06:58:47,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:47,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 06:58:47,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-09 06:58:48,327 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 346 [2024-11-09 06:58:48,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 305 transitions, 690 flow. Second operand has 15 states, 15 states have (on average 308.6666666666667) internal successors, (4630), 15 states have internal predecessors, (4630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:48,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:48,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 346 [2024-11-09 06:58:48,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:48,637 INFO L124 PetriNetUnfolderBase]: 31/687 cut-off events. [2024-11-09 06:58:48,638 INFO L125 PetriNetUnfolderBase]: For 16/19 co-relation queries the response was YES. [2024-11-09 06:58:48,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 824 conditions, 687 events. 31/687 cut-off events. For 16/19 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2591 event pairs, 0 based on Foata normal form. 4/630 useless extension candidates. Maximal degree in co-relation 598. Up to 14 conditions per place. [2024-11-09 06:58:48,643 INFO L140 encePairwiseOnDemand]: 326/346 looper letters, 20 selfloop transitions, 26 changer transitions 0/321 dead transitions. [2024-11-09 06:58:48,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 321 transitions, 818 flow [2024-11-09 06:58:48,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 06:58:48,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-09 06:58:48,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3416 transitions. [2024-11-09 06:58:48,651 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8975302154492906 [2024-11-09 06:58:48,651 INFO L175 Difference]: Start difference. First operand has 307 places, 305 transitions, 690 flow. Second operand 11 states and 3416 transitions. [2024-11-09 06:58:48,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 321 transitions, 818 flow [2024-11-09 06:58:48,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 321 transitions, 798 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-09 06:58:48,658 INFO L231 Difference]: Finished difference. Result has 317 places, 317 transitions, 790 flow [2024-11-09 06:58:48,659 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=790, PETRI_PLACES=317, PETRI_TRANSITIONS=317} [2024-11-09 06:58:48,660 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, 1 predicate places. [2024-11-09 06:58:48,660 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 317 transitions, 790 flow [2024-11-09 06:58:48,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 308.6666666666667) internal successors, (4630), 15 states have internal predecessors, (4630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:48,663 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:48,663 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:48,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 06:58:48,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 06:58:48,864 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:48,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:48,865 INFO L85 PathProgramCache]: Analyzing trace with hash 755201325, now seen corresponding path program 2 times [2024-11-09 06:58:48,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:48,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737681029] [2024-11-09 06:58:48,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:48,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:49,205 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 06:58:49,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:49,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737681029] [2024-11-09 06:58:49,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737681029] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:58:49,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445731780] [2024-11-09 06:58:49,206 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 06:58:49,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:58:49,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:58:49,209 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:58:49,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:58:49,340 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 06:58:49,340 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:58:49,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 06:58:49,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:58:49,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-09 06:58:49,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-09 06:58:49,439 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:58:49,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-09 06:58:49,479 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:58:49,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-09 06:58:49,512 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 06:58:49,513 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:58:49,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445731780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:49,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:58:49,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-11-09 06:58:49,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641695416] [2024-11-09 06:58:49,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:49,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:58:49,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:49,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:58:49,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-09 06:58:50,006 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 346 [2024-11-09 06:58:50,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 317 transitions, 790 flow. Second operand has 6 states, 6 states have (on average 308.8333333333333) internal successors, (1853), 6 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:50,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:50,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 346 [2024-11-09 06:58:50,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:50,175 INFO L124 PetriNetUnfolderBase]: 48/801 cut-off events. [2024-11-09 06:58:50,176 INFO L125 PetriNetUnfolderBase]: For 21/22 co-relation queries the response was YES. [2024-11-09 06:58:50,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1076 conditions, 801 events. 48/801 cut-off events. For 21/22 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3579 event pairs, 2 based on Foata normal form. 0/738 useless extension candidates. Maximal degree in co-relation 821. Up to 48 conditions per place. [2024-11-09 06:58:50,183 INFO L140 encePairwiseOnDemand]: 339/346 looper letters, 27 selfloop transitions, 5 changer transitions 0/321 dead transitions. [2024-11-09 06:58:50,183 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 321 transitions, 868 flow [2024-11-09 06:58:50,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:58:50,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:58:50,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1870 transitions. [2024-11-09 06:58:50,189 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9007707129094412 [2024-11-09 06:58:50,189 INFO L175 Difference]: Start difference. First operand has 317 places, 317 transitions, 790 flow. Second operand 6 states and 1870 transitions. [2024-11-09 06:58:50,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 321 transitions, 868 flow [2024-11-09 06:58:50,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 321 transitions, 844 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-11-09 06:58:50,198 INFO L231 Difference]: Finished difference. Result has 317 places, 315 transitions, 772 flow [2024-11-09 06:58:50,199 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=772, PETRI_PLACES=317, PETRI_TRANSITIONS=315} [2024-11-09 06:58:50,201 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, 1 predicate places. [2024-11-09 06:58:50,201 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 315 transitions, 772 flow [2024-11-09 06:58:50,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 308.8333333333333) internal successors, (1853), 6 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:50,202 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:50,202 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:50,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 06:58:50,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 06:58:50,404 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:50,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:50,405 INFO L85 PathProgramCache]: Analyzing trace with hash -769749033, now seen corresponding path program 1 times [2024-11-09 06:58:50,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:50,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292329093] [2024-11-09 06:58:50,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:50,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:50,766 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 06:58:50,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:50,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292329093] [2024-11-09 06:58:50,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292329093] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:58:50,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209619916] [2024-11-09 06:58:50,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:50,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:58:50,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:58:50,769 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:58:50,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 06:58:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:50,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 06:58:50,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:58:51,213 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 06:58:51,214 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:58:51,386 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 06:58:51,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209619916] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:58:51,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:58:51,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-11-09 06:58:51,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878258991] [2024-11-09 06:58:51,388 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:58:51,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 06:58:51,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:51,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 06:58:51,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-11-09 06:58:51,915 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 346 [2024-11-09 06:58:51,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 315 transitions, 772 flow. Second operand has 22 states, 22 states have (on average 308.59090909090907) internal successors, (6789), 22 states have internal predecessors, (6789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:51,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:51,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 346 [2024-11-09 06:58:51,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:52,386 INFO L124 PetriNetUnfolderBase]: 29/755 cut-off events. [2024-11-09 06:58:52,386 INFO L125 PetriNetUnfolderBase]: For 45/49 co-relation queries the response was YES. [2024-11-09 06:58:52,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 991 conditions, 755 events. 29/755 cut-off events. For 45/49 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2697 event pairs, 0 based on Foata normal form. 4/705 useless extension candidates. Maximal degree in co-relation 706. Up to 19 conditions per place. [2024-11-09 06:58:52,392 INFO L140 encePairwiseOnDemand]: 326/346 looper letters, 24 selfloop transitions, 38 changer transitions 0/335 dead transitions. [2024-11-09 06:58:52,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 335 transitions, 992 flow [2024-11-09 06:58:52,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 06:58:52,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-09 06:58:52,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 5268 transitions. [2024-11-09 06:58:52,402 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8956137368242094 [2024-11-09 06:58:52,402 INFO L175 Difference]: Start difference. First operand has 317 places, 315 transitions, 772 flow. Second operand 17 states and 5268 transitions. [2024-11-09 06:58:52,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 335 transitions, 992 flow [2024-11-09 06:58:52,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 335 transitions, 982 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:58:52,410 INFO L231 Difference]: Finished difference. Result has 331 places, 329 transitions, 946 flow [2024-11-09 06:58:52,410 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=946, PETRI_PLACES=331, PETRI_TRANSITIONS=329} [2024-11-09 06:58:52,411 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, 15 predicate places. [2024-11-09 06:58:52,411 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 329 transitions, 946 flow [2024-11-09 06:58:52,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 308.59090909090907) internal successors, (6789), 22 states have internal predecessors, (6789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:52,414 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:52,414 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:52,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 06:58:52,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:58:52,615 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:52,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:52,616 INFO L85 PathProgramCache]: Analyzing trace with hash -2001904009, now seen corresponding path program 2 times [2024-11-09 06:58:52,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:52,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874378716] [2024-11-09 06:58:52,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:52,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:53,583 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-09 06:58:53,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:53,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874378716] [2024-11-09 06:58:53,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874378716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:53,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:53,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:58:53,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979163185] [2024-11-09 06:58:53,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:53,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:58:53,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:53,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:58:53,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:58:53,990 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 346 [2024-11-09 06:58:53,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 329 transitions, 946 flow. Second operand has 6 states, 6 states have (on average 309.0) internal successors, (1854), 6 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:53,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:53,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 346 [2024-11-09 06:58:53,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:54,183 INFO L124 PetriNetUnfolderBase]: 61/838 cut-off events. [2024-11-09 06:58:54,183 INFO L125 PetriNetUnfolderBase]: For 87/89 co-relation queries the response was YES. [2024-11-09 06:58:54,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1185 conditions, 838 events. 61/838 cut-off events. For 87/89 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3595 event pairs, 3 based on Foata normal form. 0/777 useless extension candidates. Maximal degree in co-relation 781. Up to 64 conditions per place. [2024-11-09 06:58:54,189 INFO L140 encePairwiseOnDemand]: 339/346 looper letters, 26 selfloop transitions, 5 changer transitions 0/332 dead transitions. [2024-11-09 06:58:54,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 332 transitions, 1019 flow [2024-11-09 06:58:54,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:58:54,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:58:54,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1869 transitions. [2024-11-09 06:58:54,194 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9002890173410405 [2024-11-09 06:58:54,194 INFO L175 Difference]: Start difference. First operand has 331 places, 329 transitions, 946 flow. Second operand 6 states and 1869 transitions. [2024-11-09 06:58:54,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 332 transitions, 1019 flow [2024-11-09 06:58:54,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 332 transitions, 967 flow, removed 8 selfloop flow, removed 8 redundant places. [2024-11-09 06:58:54,200 INFO L231 Difference]: Finished difference. Result has 326 places, 327 transitions, 900 flow [2024-11-09 06:58:54,202 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=900, PETRI_PLACES=326, PETRI_TRANSITIONS=327} [2024-11-09 06:58:54,203 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, 10 predicate places. [2024-11-09 06:58:54,203 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 327 transitions, 900 flow [2024-11-09 06:58:54,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 309.0) internal successors, (1854), 6 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:54,204 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:54,204 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:54,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 06:58:54,205 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:54,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:54,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1873922803, now seen corresponding path program 1 times [2024-11-09 06:58:54,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:54,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553650043] [2024-11-09 06:58:54,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:54,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:55,194 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-09 06:58:55,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:55,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553650043] [2024-11-09 06:58:55,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553650043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:55,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:55,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:58:55,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780611747] [2024-11-09 06:58:55,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:55,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:58:55,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:55,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:58:55,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:58:55,626 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 346 [2024-11-09 06:58:55,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 327 transitions, 900 flow. Second operand has 6 states, 6 states have (on average 308.8333333333333) internal successors, (1853), 6 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:55,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:55,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 346 [2024-11-09 06:58:55,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:55,801 INFO L124 PetriNetUnfolderBase]: 41/860 cut-off events. [2024-11-09 06:58:55,801 INFO L125 PetriNetUnfolderBase]: For 66/68 co-relation queries the response was YES. [2024-11-09 06:58:55,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1197 conditions, 860 events. 41/860 cut-off events. For 66/68 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3520 event pairs, 2 based on Foata normal form. 0/808 useless extension candidates. Maximal degree in co-relation 925. Up to 64 conditions per place. [2024-11-09 06:58:55,808 INFO L140 encePairwiseOnDemand]: 339/346 looper letters, 27 selfloop transitions, 5 changer transitions 0/331 dead transitions. [2024-11-09 06:58:55,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 331 transitions, 978 flow [2024-11-09 06:58:55,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:58:55,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:58:55,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1870 transitions. [2024-11-09 06:58:55,813 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9007707129094412 [2024-11-09 06:58:55,813 INFO L175 Difference]: Start difference. First operand has 326 places, 327 transitions, 900 flow. Second operand 6 states and 1870 transitions. [2024-11-09 06:58:55,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 331 transitions, 978 flow [2024-11-09 06:58:55,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 331 transitions, 968 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:58:55,820 INFO L231 Difference]: Finished difference. Result has 324 places, 325 transitions, 896 flow [2024-11-09 06:58:55,820 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=896, PETRI_PLACES=324, PETRI_TRANSITIONS=325} [2024-11-09 06:58:55,821 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, 8 predicate places. [2024-11-09 06:58:55,821 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 325 transitions, 896 flow [2024-11-09 06:58:55,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 308.8333333333333) internal successors, (1853), 6 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:55,822 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:55,823 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:55,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 06:58:55,823 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:55,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:55,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1343667485, now seen corresponding path program 1 times [2024-11-09 06:58:55,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:55,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770296896] [2024-11-09 06:58:55,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:55,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:56,639 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-09 06:58:56,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:56,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770296896] [2024-11-09 06:58:56,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770296896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:56,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:56,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:58:56,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323983661] [2024-11-09 06:58:56,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:56,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:58:56,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:56,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:58:56,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:58:57,051 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 346 [2024-11-09 06:58:57,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 325 transitions, 896 flow. Second operand has 6 states, 6 states have (on average 309.0) internal successors, (1854), 6 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:57,053 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:57,053 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 346 [2024-11-09 06:58:57,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:57,224 INFO L124 PetriNetUnfolderBase]: 68/893 cut-off events. [2024-11-09 06:58:57,225 INFO L125 PetriNetUnfolderBase]: For 103/106 co-relation queries the response was YES. [2024-11-09 06:58:57,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1244 conditions, 893 events. 68/893 cut-off events. For 103/106 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3997 event pairs, 5 based on Foata normal form. 0/833 useless extension candidates. Maximal degree in co-relation 864. Up to 73 conditions per place. [2024-11-09 06:58:57,232 INFO L140 encePairwiseOnDemand]: 339/346 looper letters, 26 selfloop transitions, 5 changer transitions 0/328 dead transitions. [2024-11-09 06:58:57,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 328 transitions, 969 flow [2024-11-09 06:58:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:58:57,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:58:57,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1869 transitions. [2024-11-09 06:58:57,236 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9002890173410405 [2024-11-09 06:58:57,236 INFO L175 Difference]: Start difference. First operand has 324 places, 325 transitions, 896 flow. Second operand 6 states and 1869 transitions. [2024-11-09 06:58:57,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 328 transitions, 969 flow [2024-11-09 06:58:57,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 328 transitions, 959 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:58:57,244 INFO L231 Difference]: Finished difference. Result has 322 places, 323 transitions, 892 flow [2024-11-09 06:58:57,245 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=892, PETRI_PLACES=322, PETRI_TRANSITIONS=323} [2024-11-09 06:58:57,246 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, 6 predicate places. [2024-11-09 06:58:57,246 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 323 transitions, 892 flow [2024-11-09 06:58:57,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 309.0) internal successors, (1854), 6 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:57,247 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:57,248 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:57,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 06:58:57,248 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:57,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:57,248 INFO L85 PathProgramCache]: Analyzing trace with hash 297091527, now seen corresponding path program 1 times [2024-11-09 06:58:57,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:57,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612355304] [2024-11-09 06:58:57,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:57,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:57,361 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-09 06:58:57,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:57,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612355304] [2024-11-09 06:58:57,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612355304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:57,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:57,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:57,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565276902] [2024-11-09 06:58:57,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:57,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:57,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:57,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:57,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:57,374 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 346 [2024-11-09 06:58:57,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 323 transitions, 892 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:57,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:57,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 346 [2024-11-09 06:58:57,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:57,485 INFO L124 PetriNetUnfolderBase]: 34/746 cut-off events. [2024-11-09 06:58:57,485 INFO L125 PetriNetUnfolderBase]: For 63/66 co-relation queries the response was YES. [2024-11-09 06:58:57,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 978 conditions, 746 events. 34/746 cut-off events. For 63/66 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2645 event pairs, 2 based on Foata normal form. 0/712 useless extension candidates. Maximal degree in co-relation 754. Up to 27 conditions per place. [2024-11-09 06:58:57,492 INFO L140 encePairwiseOnDemand]: 343/346 looper letters, 8 selfloop transitions, 2 changer transitions 0/323 dead transitions. [2024-11-09 06:58:57,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 323 transitions, 913 flow [2024-11-09 06:58:57,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:57,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:57,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions. [2024-11-09 06:58:57,495 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9470134874759152 [2024-11-09 06:58:57,495 INFO L175 Difference]: Start difference. First operand has 322 places, 323 transitions, 892 flow. Second operand 3 states and 983 transitions. [2024-11-09 06:58:57,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 323 transitions, 913 flow [2024-11-09 06:58:57,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 323 transitions, 903 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:58:57,502 INFO L231 Difference]: Finished difference. Result has 318 places, 322 transitions, 884 flow [2024-11-09 06:58:57,503 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=318, PETRI_TRANSITIONS=322} [2024-11-09 06:58:57,503 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, 2 predicate places. [2024-11-09 06:58:57,503 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 322 transitions, 884 flow [2024-11-09 06:58:57,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:57,504 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:57,504 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:57,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 06:58:57,505 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:57,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:57,505 INFO L85 PathProgramCache]: Analyzing trace with hash 765922188, now seen corresponding path program 1 times [2024-11-09 06:58:57,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:57,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571126045] [2024-11-09 06:58:57,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:57,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:57,596 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-09 06:58:57,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:57,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571126045] [2024-11-09 06:58:57,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571126045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:57,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:57,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:57,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899575005] [2024-11-09 06:58:57,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:57,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:57,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:57,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:57,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:57,606 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 346 [2024-11-09 06:58:57,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 322 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:57,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:57,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 346 [2024-11-09 06:58:57,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:57,718 INFO L124 PetriNetUnfolderBase]: 33/723 cut-off events. [2024-11-09 06:58:57,718 INFO L125 PetriNetUnfolderBase]: For 66/68 co-relation queries the response was YES. [2024-11-09 06:58:57,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 723 events. 33/723 cut-off events. For 66/68 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2392 event pairs, 1 based on Foata normal form. 0/693 useless extension candidates. Maximal degree in co-relation 867. Up to 17 conditions per place. [2024-11-09 06:58:57,724 INFO L140 encePairwiseOnDemand]: 344/346 looper letters, 6 selfloop transitions, 1 changer transitions 0/321 dead transitions. [2024-11-09 06:58:57,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 321 transitions, 896 flow [2024-11-09 06:58:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:57,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:57,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 986 transitions. [2024-11-09 06:58:57,727 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9499036608863198 [2024-11-09 06:58:57,727 INFO L175 Difference]: Start difference. First operand has 318 places, 322 transitions, 884 flow. Second operand 3 states and 986 transitions. [2024-11-09 06:58:57,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 321 transitions, 896 flow [2024-11-09 06:58:57,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 321 transitions, 892 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:57,734 INFO L231 Difference]: Finished difference. Result has 317 places, 321 transitions, 880 flow [2024-11-09 06:58:57,734 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=880, PETRI_PLACES=317, PETRI_TRANSITIONS=321} [2024-11-09 06:58:57,736 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, 1 predicate places. [2024-11-09 06:58:57,736 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 321 transitions, 880 flow [2024-11-09 06:58:57,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:57,737 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:57,737 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:57,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 06:58:57,737 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:57,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:57,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1611833642, now seen corresponding path program 1 times [2024-11-09 06:58:57,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:57,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764596836] [2024-11-09 06:58:57,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:57,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:57,869 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-09 06:58:57,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:57,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764596836] [2024-11-09 06:58:57,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764596836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:57,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:57,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:57,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186095920] [2024-11-09 06:58:57,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:57,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:57,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:57,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:57,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:57,882 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 346 [2024-11-09 06:58:57,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 321 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:57,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:57,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 346 [2024-11-09 06:58:57,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:58,014 INFO L124 PetriNetUnfolderBase]: 33/716 cut-off events. [2024-11-09 06:58:58,015 INFO L125 PetriNetUnfolderBase]: For 63/65 co-relation queries the response was YES. [2024-11-09 06:58:58,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 913 conditions, 716 events. 33/716 cut-off events. For 63/65 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2382 event pairs, 1 based on Foata normal form. 2/687 useless extension candidates. Maximal degree in co-relation 889. Up to 18 conditions per place. [2024-11-09 06:58:58,024 INFO L140 encePairwiseOnDemand]: 344/346 looper letters, 4 selfloop transitions, 0 changer transitions 4/320 dead transitions. [2024-11-09 06:58:58,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 320 transitions, 890 flow [2024-11-09 06:58:58,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:58,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:58,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 985 transitions. [2024-11-09 06:58:58,028 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9489402697495183 [2024-11-09 06:58:58,028 INFO L175 Difference]: Start difference. First operand has 317 places, 321 transitions, 880 flow. Second operand 3 states and 985 transitions. [2024-11-09 06:58:58,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 320 transitions, 890 flow [2024-11-09 06:58:58,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 320 transitions, 889 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:58:58,037 INFO L231 Difference]: Finished difference. Result has 317 places, 316 transitions, 867 flow [2024-11-09 06:58:58,038 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=877, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=867, PETRI_PLACES=317, PETRI_TRANSITIONS=316} [2024-11-09 06:58:58,038 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, 1 predicate places. [2024-11-09 06:58:58,038 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 316 transitions, 867 flow [2024-11-09 06:58:58,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:58,039 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:58,039 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:58,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 06:58:58,040 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-09 06:58:58,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:58,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1896322544, now seen corresponding path program 1 times [2024-11-09 06:58:58,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:58,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828334789] [2024-11-09 06:58:58,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:58,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:58,154 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-09 06:58:58,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:58,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828334789] [2024-11-09 06:58:58,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828334789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:58,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:58,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:58,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394709562] [2024-11-09 06:58:58,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:58,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:58,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:58,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:58,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:58,169 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 346 [2024-11-09 06:58:58,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 316 transitions, 867 flow. Second operand has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:58,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:58,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 346 [2024-11-09 06:58:58,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:58,289 INFO L124 PetriNetUnfolderBase]: 38/715 cut-off events. [2024-11-09 06:58:58,290 INFO L125 PetriNetUnfolderBase]: For 69/71 co-relation queries the response was YES. [2024-11-09 06:58:58,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 923 conditions, 715 events. 38/715 cut-off events. For 69/71 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2365 event pairs, 2 based on Foata normal form. 0/685 useless extension candidates. Maximal degree in co-relation 909. Up to 21 conditions per place. [2024-11-09 06:58:58,294 INFO L140 encePairwiseOnDemand]: 343/346 looper letters, 0 selfloop transitions, 0 changer transitions 316/316 dead transitions. [2024-11-09 06:58:58,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 316 transitions, 884 flow [2024-11-09 06:58:58,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:58,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:58,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 981 transitions. [2024-11-09 06:58:58,297 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9450867052023122 [2024-11-09 06:58:58,297 INFO L175 Difference]: Start difference. First operand has 317 places, 316 transitions, 867 flow. Second operand 3 states and 981 transitions. [2024-11-09 06:58:58,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 316 transitions, 884 flow [2024-11-09 06:58:58,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 316 transitions, 884 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:58:58,302 INFO L231 Difference]: Finished difference. Result has 312 places, 0 transitions, 0 flow [2024-11-09 06:58:58,303 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=865, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=312, PETRI_TRANSITIONS=0} [2024-11-09 06:58:58,303 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -4 predicate places. [2024-11-09 06:58:58,303 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 0 transitions, 0 flow [2024-11-09 06:58:58,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:58,306 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (53 of 54 remaining) [2024-11-09 06:58:58,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2024-11-09 06:58:58,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2024-11-09 06:58:58,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2024-11-09 06:58:58,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2024-11-09 06:58:58,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2024-11-09 06:58:58,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2024-11-09 06:58:58,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2024-11-09 06:58:58,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2024-11-09 06:58:58,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2024-11-09 06:58:58,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2024-11-09 06:58:58,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2024-11-09 06:58:58,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2024-11-09 06:58:58,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2024-11-09 06:58:58,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2024-11-09 06:58:58,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2024-11-09 06:58:58,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2024-11-09 06:58:58,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2024-11-09 06:58:58,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2024-11-09 06:58:58,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2024-11-09 06:58:58,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2024-11-09 06:58:58,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2024-11-09 06:58:58,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2024-11-09 06:58:58,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2024-11-09 06:58:58,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2024-11-09 06:58:58,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2024-11-09 06:58:58,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2024-11-09 06:58:58,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2024-11-09 06:58:58,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2024-11-09 06:58:58,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2024-11-09 06:58:58,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 54 remaining) [2024-11-09 06:58:58,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 54 remaining) [2024-11-09 06:58:58,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2024-11-09 06:58:58,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2024-11-09 06:58:58,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2024-11-09 06:58:58,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2024-11-09 06:58:58,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2024-11-09 06:58:58,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2024-11-09 06:58:58,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2024-11-09 06:58:58,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2024-11-09 06:58:58,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2024-11-09 06:58:58,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2024-11-09 06:58:58,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2024-11-09 06:58:58,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2024-11-09 06:58:58,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2024-11-09 06:58:58,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2024-11-09 06:58:58,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2024-11-09 06:58:58,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2024-11-09 06:58:58,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2024-11-09 06:58:58,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2024-11-09 06:58:58,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2024-11-09 06:58:58,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2024-11-09 06:58:58,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2024-11-09 06:58:58,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2024-11-09 06:58:58,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 06:58:58,315 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:58,321 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 06:58:58,321 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:58:58,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:58:58 BasicIcfg [2024-11-09 06:58:58,328 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:58:58,328 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:58:58,328 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:58:58,329 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:58:58,329 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:58:43" (3/4) ... [2024-11-09 06:58:58,331 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 06:58:58,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-09 06:58:58,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-09 06:58:58,341 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-09 06:58:58,341 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 06:58:58,342 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 06:58:58,342 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 06:58:58,449 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 06:58:58,450 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 06:58:58,450 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:58:58,451 INFO L158 Benchmark]: Toolchain (without parser) took 16872.87ms. Allocated memory was 146.8MB in the beginning and 490.7MB in the end (delta: 343.9MB). Free memory was 95.4MB in the beginning and 268.5MB in the end (delta: -173.1MB). Peak memory consumption was 173.6MB. Max. memory is 16.1GB. [2024-11-09 06:58:58,451 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory was 107.9MB in the beginning and 107.8MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:58:58,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.12ms. Allocated memory is still 146.8MB. Free memory was 95.4MB in the beginning and 81.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 06:58:58,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.53ms. Allocated memory is still 146.8MB. Free memory was 81.1MB in the beginning and 77.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:58:58,452 INFO L158 Benchmark]: Boogie Preprocessor took 55.95ms. Allocated memory is still 146.8MB. Free memory was 77.8MB in the beginning and 74.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:58:58,452 INFO L158 Benchmark]: RCFGBuilder took 950.41ms. Allocated memory was 146.8MB in the beginning and 218.1MB in the end (delta: 71.3MB). Free memory was 74.9MB in the beginning and 177.1MB in the end (delta: -102.2MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-11-09 06:58:58,452 INFO L158 Benchmark]: TraceAbstraction took 15298.26ms. Allocated memory was 218.1MB in the beginning and 490.7MB in the end (delta: 272.6MB). Free memory was 176.0MB in the beginning and 273.7MB in the end (delta: -97.7MB). Peak memory consumption was 175.0MB. Max. memory is 16.1GB. [2024-11-09 06:58:58,453 INFO L158 Benchmark]: Witness Printer took 121.98ms. Allocated memory is still 490.7MB. Free memory was 273.7MB in the beginning and 268.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 06:58:58,454 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory was 107.9MB in the beginning and 107.8MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.12ms. Allocated memory is still 146.8MB. Free memory was 95.4MB in the beginning and 81.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.53ms. Allocated memory is still 146.8MB. Free memory was 81.1MB in the beginning and 77.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.95ms. Allocated memory is still 146.8MB. Free memory was 77.8MB in the beginning and 74.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 950.41ms. Allocated memory was 146.8MB in the beginning and 218.1MB in the end (delta: 71.3MB). Free memory was 74.9MB in the beginning and 177.1MB in the end (delta: -102.2MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * TraceAbstraction took 15298.26ms. Allocated memory was 218.1MB in the beginning and 490.7MB in the end (delta: 272.6MB). Free memory was 176.0MB in the beginning and 273.7MB in the end (delta: -97.7MB). Peak memory consumption was 175.0MB. Max. memory is 16.1GB. * Witness Printer took 121.98ms. Allocated memory is still 490.7MB. Free memory was 273.7MB in the beginning and 268.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 53]: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 488 locations, 54 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: 15.1s, OverallIterations: 20, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2560 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1685 mSDsluCounter, 951 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 702 mSDsCounter, 589 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4299 IncrementalHoareTripleChecker+Invalid, 4888 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 589 mSolverCounterUnsat, 249 mSDtfsCounter, 4299 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1053 GetRequests, 947 SyntacticMatches, 5 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=946occurred in iteration=13, InterpolantAutomatonStates: 99, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 4116 NumberOfCodeBlocks, 4026 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 4461 ConstructedInterpolants, 0 QuantifiedInterpolants, 6498 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1091 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 25 InterpolantComputations, 18 PerfectInterpolantSequences, 2461/2656 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 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 06:58:58,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE