./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-trans.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 58a3707e98508adde0e15b9d8e43fa1e77573e5478a67cbc9ef6d2cbcb9307e7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:52:58,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:52:58,505 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:52:58,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:52:58,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:52:58,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:52:58,544 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:52:58,544 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:52:58,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:52:58,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:52:58,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:52:58,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:52:58,547 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:52:58,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:52:58,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:52:58,550 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:52:58,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:52:58,550 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:52:58,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:52:58,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:52:58,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:52:58,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:52:58,555 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:52:58,556 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:52:58,556 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:52:58,557 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:52:58,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:52:58,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:52:58,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:52:58,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:52:58,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:52:58,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:52:58,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:52:58,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:52:58,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:52:58,561 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:52:58,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:52:58,561 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:52:58,561 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:52:58,562 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:52:58,562 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:52:58,562 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58a3707e98508adde0e15b9d8e43fa1e77573e5478a67cbc9ef6d2cbcb9307e7 [2024-11-20 13:52:58,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:52:58,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:52:58,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:52:58,836 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:52:58,837 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:52:58,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-trans.wvr.c [2024-11-20 13:53:00,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:53:00,458 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:53:00,459 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-trans.wvr.c [2024-11-20 13:53:00,466 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9037e500/b77fd997e3ea4c86af86c71e5db4d31f/FLAG39de3c2d7 [2024-11-20 13:53:00,850 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9037e500/b77fd997e3ea4c86af86c71e5db4d31f [2024-11-20 13:53:00,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:53:00,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:53:00,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:53:00,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:53:00,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:53:00,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:53:00" (1/1) ... [2024-11-20 13:53:00,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11bed4f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:00, skipping insertion in model container [2024-11-20 13:53:00,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:53:00" (1/1) ... [2024-11-20 13:53:00,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:53:01,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:53:01,140 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:53:01,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:53:01,186 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:53:01,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01 WrapperNode [2024-11-20 13:53:01,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:53:01,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:53:01,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:53:01,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:53:01,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,231 INFO L138 Inliner]: procedures = 22, calls = 19, calls flagged for inlining = 12, calls inlined = 22, statements flattened = 319 [2024-11-20 13:53:01,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:53:01,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:53:01,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:53:01,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:53:01,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,264 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,273 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:53:01,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:53:01,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:53:01,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:53:01,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:53:01,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:53:01,331 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) [2024-11-20 13:53:01,334 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 [2024-11-20 13:53:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:53:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-20 13:53:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-20 13:53:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-20 13:53:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-20 13:53:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-20 13:53:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-20 13:53:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:53:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:53:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:53:01,390 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 13:53:01,525 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:53:01,529 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:53:02,030 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:53:02,031 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:53:02,058 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:53:02,061 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 13:53:02,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:53:02 BoogieIcfgContainer [2024-11-20 13:53:02,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:53:02,066 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:53:02,066 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:53:02,069 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:53:02,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:53:00" (1/3) ... [2024-11-20 13:53:02,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23242228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:53:02, skipping insertion in model container [2024-11-20 13:53:02,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (2/3) ... [2024-11-20 13:53:02,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23242228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:53:02, skipping insertion in model container [2024-11-20 13:53:02,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:53:02" (3/3) ... [2024-11-20 13:53:02,073 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-trans.wvr.c [2024-11-20 13:53:02,087 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:53:02,087 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2024-11-20 13:53:02,087 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:53:02,199 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-20 13:53:02,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 437 places, 445 transitions, 911 flow [2024-11-20 13:53:02,440 INFO L124 PetriNetUnfolderBase]: 18/442 cut-off events. [2024-11-20 13:53:02,442 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-20 13:53:02,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 455 conditions, 442 events. 18/442 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 775 event pairs, 0 based on Foata normal form. 0/385 useless extension candidates. Maximal degree in co-relation 311. Up to 2 conditions per place. [2024-11-20 13:53:02,459 INFO L82 GeneralOperation]: Start removeDead. Operand has 437 places, 445 transitions, 911 flow [2024-11-20 13:53:02,475 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 415 places, 421 transitions, 860 flow [2024-11-20 13:53:02,488 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:53:02,499 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;@25eb81ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:53:02,500 INFO L334 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2024-11-20 13:53:02,507 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:53:02,507 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-11-20 13:53:02,507 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:53:02,508 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:02,508 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:02,510 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:02,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:02,516 INFO L85 PathProgramCache]: Analyzing trace with hash 390371777, now seen corresponding path program 1 times [2024-11-20 13:53:02,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:02,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485159842] [2024-11-20 13:53:02,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:02,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:02,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:02,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:02,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485159842] [2024-11-20 13:53:02,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485159842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:02,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:02,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:02,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863282886] [2024-11-20 13:53:02,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:02,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:02,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:02,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:02,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:02,858 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 445 [2024-11-20 13:53:02,871 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 421 transitions, 860 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-11-20 13:53:02,872 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:02,872 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 445 [2024-11-20 13:53:02,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:03,075 INFO L124 PetriNetUnfolderBase]: 20/802 cut-off events. [2024-11-20 13:53:03,076 INFO L125 PetriNetUnfolderBase]: For 26/30 co-relation queries the response was YES. [2024-11-20 13:53:03,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 867 conditions, 802 events. 20/802 cut-off events. For 26/30 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2858 event pairs, 12 based on Foata normal form. 75/765 useless extension candidates. Maximal degree in co-relation 704. Up to 38 conditions per place. [2024-11-20 13:53:03,094 INFO L140 encePairwiseOnDemand]: 430/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/408 dead transitions. [2024-11-20 13:53:03,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 408 transitions, 864 flow [2024-11-20 13:53:03,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:03,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:03,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1270 transitions. [2024-11-20 13:53:03,146 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.951310861423221 [2024-11-20 13:53:03,151 INFO L175 Difference]: Start difference. First operand has 415 places, 421 transitions, 860 flow. Second operand 3 states and 1270 transitions. [2024-11-20 13:53:03,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 408 transitions, 864 flow [2024-11-20 13:53:03,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 408 transitions, 852 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-20 13:53:03,165 INFO L231 Difference]: Finished difference. Result has 410 places, 408 transitions, 826 flow [2024-11-20 13:53:03,168 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=410, PETRI_TRANSITIONS=408} [2024-11-20 13:53:03,173 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -5 predicate places. [2024-11-20 13:53:03,174 INFO L471 AbstractCegarLoop]: Abstraction has has 410 places, 408 transitions, 826 flow [2024-11-20 13:53:03,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-11-20 13:53:03,175 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:03,175 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:03,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:53:03,176 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:03,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:03,177 INFO L85 PathProgramCache]: Analyzing trace with hash -547964183, now seen corresponding path program 1 times [2024-11-20 13:53:03,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:03,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736419552] [2024-11-20 13:53:03,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:03,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:03,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:03,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:03,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736419552] [2024-11-20 13:53:03,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736419552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:03,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:03,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:03,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434457177] [2024-11-20 13:53:03,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:03,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:03,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:03,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:03,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:03,279 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2024-11-20 13:53:03,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 408 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-11-20 13:53:03,281 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:03,281 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2024-11-20 13:53:03,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:03,415 INFO L124 PetriNetUnfolderBase]: 12/681 cut-off events. [2024-11-20 13:53:03,415 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 13:53:03,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 714 conditions, 681 events. 12/681 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2562 event pairs, 5 based on Foata normal form. 0/585 useless extension candidates. Maximal degree in co-relation 677. Up to 22 conditions per place. [2024-11-20 13:53:03,427 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/407 dead transitions. [2024-11-20 13:53:03,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 407 transitions, 850 flow [2024-11-20 13:53:03,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:03,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:03,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2024-11-20 13:53:03,433 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2024-11-20 13:53:03,433 INFO L175 Difference]: Start difference. First operand has 410 places, 408 transitions, 826 flow. Second operand 3 states and 1262 transitions. [2024-11-20 13:53:03,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 407 transitions, 850 flow [2024-11-20 13:53:03,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 407 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:03,441 INFO L231 Difference]: Finished difference. Result has 409 places, 407 transitions, 824 flow [2024-11-20 13:53:03,442 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=824, PETRI_PLACES=409, PETRI_TRANSITIONS=407} [2024-11-20 13:53:03,443 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -6 predicate places. [2024-11-20 13:53:03,444 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 407 transitions, 824 flow [2024-11-20 13:53:03,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-11-20 13:53:03,445 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:03,445 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:03,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:53:03,446 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:03,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:03,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1519254541, now seen corresponding path program 1 times [2024-11-20 13:53:03,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:03,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667232128] [2024-11-20 13:53:03,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:03,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:03,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:03,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:03,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667232128] [2024-11-20 13:53:03,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667232128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:03,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:03,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:03,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494581224] [2024-11-20 13:53:03,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:03,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:03,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:03,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:03,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:03,574 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2024-11-20 13:53:03,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 407 transitions, 824 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-11-20 13:53:03,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:03,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2024-11-20 13:53:03,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:03,747 INFO L124 PetriNetUnfolderBase]: 12/671 cut-off events. [2024-11-20 13:53:03,748 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 13:53:03,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 671 events. 12/671 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2500 event pairs, 5 based on Foata normal form. 0/579 useless extension candidates. Maximal degree in co-relation 659. Up to 22 conditions per place. [2024-11-20 13:53:03,758 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/406 dead transitions. [2024-11-20 13:53:03,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 406 transitions, 848 flow [2024-11-20 13:53:03,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:03,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:03,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2024-11-20 13:53:03,764 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2024-11-20 13:53:03,764 INFO L175 Difference]: Start difference. First operand has 409 places, 407 transitions, 824 flow. Second operand 3 states and 1262 transitions. [2024-11-20 13:53:03,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 406 transitions, 848 flow [2024-11-20 13:53:03,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 406 transitions, 844 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:03,770 INFO L231 Difference]: Finished difference. Result has 408 places, 406 transitions, 822 flow [2024-11-20 13:53:03,771 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=408, PETRI_TRANSITIONS=406} [2024-11-20 13:53:03,773 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -7 predicate places. [2024-11-20 13:53:03,773 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 406 transitions, 822 flow [2024-11-20 13:53:03,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-11-20 13:53:03,774 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:03,775 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:03,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:53:03,775 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:03,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:03,776 INFO L85 PathProgramCache]: Analyzing trace with hash 633941745, now seen corresponding path program 1 times [2024-11-20 13:53:03,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:03,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53110504] [2024-11-20 13:53:03,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:03,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:03,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:03,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:03,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53110504] [2024-11-20 13:53:03,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53110504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:03,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:03,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:03,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638844633] [2024-11-20 13:53:03,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:03,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:03,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:03,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:03,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:03,880 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 445 [2024-11-20 13:53:03,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 406 transitions, 822 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-11-20 13:53:03,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:03,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 445 [2024-11-20 13:53:03,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:04,131 INFO L124 PetriNetUnfolderBase]: 34/1363 cut-off events. [2024-11-20 13:53:04,131 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-20 13:53:04,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1432 conditions, 1363 events. 34/1363 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6095 event pairs, 20 based on Foata normal form. 0/1167 useless extension candidates. Maximal degree in co-relation 1379. Up to 50 conditions per place. [2024-11-20 13:53:04,149 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/405 dead transitions. [2024-11-20 13:53:04,149 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 405 transitions, 850 flow [2024-11-20 13:53:04,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:04,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:04,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1258 transitions. [2024-11-20 13:53:04,152 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9423220973782771 [2024-11-20 13:53:04,152 INFO L175 Difference]: Start difference. First operand has 408 places, 406 transitions, 822 flow. Second operand 3 states and 1258 transitions. [2024-11-20 13:53:04,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 405 transitions, 850 flow [2024-11-20 13:53:04,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 405 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:04,159 INFO L231 Difference]: Finished difference. Result has 407 places, 405 transitions, 820 flow [2024-11-20 13:53:04,160 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=405, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=407, PETRI_TRANSITIONS=405} [2024-11-20 13:53:04,161 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -8 predicate places. [2024-11-20 13:53:04,162 INFO L471 AbstractCegarLoop]: Abstraction has has 407 places, 405 transitions, 820 flow [2024-11-20 13:53:04,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-11-20 13:53:04,163 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:04,163 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:04,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 13:53:04,163 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:04,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:04,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1120803467, now seen corresponding path program 1 times [2024-11-20 13:53:04,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:04,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663102662] [2024-11-20 13:53:04,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:04,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:04,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:04,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:04,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663102662] [2024-11-20 13:53:04,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663102662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:04,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:04,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:04,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104333334] [2024-11-20 13:53:04,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:04,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:04,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:04,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:04,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:04,259 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2024-11-20 13:53:04,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 405 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-11-20 13:53:04,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:04,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2024-11-20 13:53:04,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:04,407 INFO L124 PetriNetUnfolderBase]: 16/867 cut-off events. [2024-11-20 13:53:04,407 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2024-11-20 13:53:04,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 905 conditions, 867 events. 16/867 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3219 event pairs, 7 based on Foata normal form. 0/741 useless extension candidates. Maximal degree in co-relation 844. Up to 25 conditions per place. [2024-11-20 13:53:04,421 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/404 dead transitions. [2024-11-20 13:53:04,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 404 transitions, 844 flow [2024-11-20 13:53:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:04,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:04,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2024-11-20 13:53:04,426 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2024-11-20 13:53:04,426 INFO L175 Difference]: Start difference. First operand has 407 places, 405 transitions, 820 flow. Second operand 3 states and 1262 transitions. [2024-11-20 13:53:04,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 404 transitions, 844 flow [2024-11-20 13:53:04,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 404 transitions, 840 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:04,436 INFO L231 Difference]: Finished difference. Result has 406 places, 404 transitions, 818 flow [2024-11-20 13:53:04,437 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=818, PETRI_PLACES=406, PETRI_TRANSITIONS=404} [2024-11-20 13:53:04,438 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -9 predicate places. [2024-11-20 13:53:04,439 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 404 transitions, 818 flow [2024-11-20 13:53:04,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-11-20 13:53:04,440 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:04,440 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:04,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 13:53:04,441 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:04,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:04,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1040645728, now seen corresponding path program 1 times [2024-11-20 13:53:04,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:04,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462207594] [2024-11-20 13:53:04,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:04,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:04,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:04,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:04,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462207594] [2024-11-20 13:53:04,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462207594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:04,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:04,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:04,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501774185] [2024-11-20 13:53:04,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:04,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:04,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:04,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:04,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:04,510 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2024-11-20 13:53:04,512 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 404 transitions, 818 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-11-20 13:53:04,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:04,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2024-11-20 13:53:04,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:04,645 INFO L124 PetriNetUnfolderBase]: 16/857 cut-off events. [2024-11-20 13:53:04,646 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2024-11-20 13:53:04,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 895 conditions, 857 events. 16/857 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3182 event pairs, 7 based on Foata normal form. 0/735 useless extension candidates. Maximal degree in co-relation 826. Up to 25 conditions per place. [2024-11-20 13:53:04,659 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2024-11-20 13:53:04,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 403 transitions, 842 flow [2024-11-20 13:53:04,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:04,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:04,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2024-11-20 13:53:04,662 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2024-11-20 13:53:04,662 INFO L175 Difference]: Start difference. First operand has 406 places, 404 transitions, 818 flow. Second operand 3 states and 1262 transitions. [2024-11-20 13:53:04,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 403 transitions, 842 flow [2024-11-20 13:53:04,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 403 transitions, 838 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:04,669 INFO L231 Difference]: Finished difference. Result has 405 places, 403 transitions, 816 flow [2024-11-20 13:53:04,670 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=405, PETRI_TRANSITIONS=403} [2024-11-20 13:53:04,670 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -10 predicate places. [2024-11-20 13:53:04,670 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 403 transitions, 816 flow [2024-11-20 13:53:04,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-11-20 13:53:04,672 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:04,672 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:04,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 13:53:04,672 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:04,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:04,673 INFO L85 PathProgramCache]: Analyzing trace with hash 681543619, now seen corresponding path program 1 times [2024-11-20 13:53:04,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:04,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822541356] [2024-11-20 13:53:04,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:04,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:04,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:04,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:04,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822541356] [2024-11-20 13:53:04,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822541356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:04,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:04,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:04,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30926909] [2024-11-20 13:53:04,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:04,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:04,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:04,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:04,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:04,743 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 445 [2024-11-20 13:53:04,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 403 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-11-20 13:53:04,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:04,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 445 [2024-11-20 13:53:04,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:04,851 INFO L124 PetriNetUnfolderBase]: 27/638 cut-off events. [2024-11-20 13:53:04,852 INFO L125 PetriNetUnfolderBase]: For 9/12 co-relation queries the response was YES. [2024-11-20 13:53:04,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 699 conditions, 638 events. 27/638 cut-off events. For 9/12 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2309 event pairs, 20 based on Foata normal form. 0/557 useless extension candidates. Maximal degree in co-relation 622. Up to 50 conditions per place. [2024-11-20 13:53:04,862 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-11-20 13:53:04,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 402 transitions, 844 flow [2024-11-20 13:53:04,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:04,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:04,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1258 transitions. [2024-11-20 13:53:04,865 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9423220973782771 [2024-11-20 13:53:04,865 INFO L175 Difference]: Start difference. First operand has 405 places, 403 transitions, 816 flow. Second operand 3 states and 1258 transitions. [2024-11-20 13:53:04,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 402 transitions, 844 flow [2024-11-20 13:53:04,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 402 transitions, 840 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:04,872 INFO L231 Difference]: Finished difference. Result has 404 places, 402 transitions, 814 flow [2024-11-20 13:53:04,873 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=404, PETRI_TRANSITIONS=402} [2024-11-20 13:53:04,873 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -11 predicate places. [2024-11-20 13:53:04,874 INFO L471 AbstractCegarLoop]: Abstraction has has 404 places, 402 transitions, 814 flow [2024-11-20 13:53:04,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-11-20 13:53:04,875 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:04,875 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] [2024-11-20 13:53:04,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 13:53:04,876 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:04,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:04,876 INFO L85 PathProgramCache]: Analyzing trace with hash -475369336, now seen corresponding path program 1 times [2024-11-20 13:53:04,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:04,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813507155] [2024-11-20 13:53:04,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:04,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:04,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:04,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:04,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813507155] [2024-11-20 13:53:04,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813507155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:04,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:04,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:04,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237557598] [2024-11-20 13:53:04,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:04,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:04,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:04,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:04,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:04,968 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2024-11-20 13:53:04,970 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 402 transitions, 814 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-11-20 13:53:04,970 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:04,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2024-11-20 13:53:04,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:05,098 INFO L124 PetriNetUnfolderBase]: 15/673 cut-off events. [2024-11-20 13:53:05,098 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-20 13:53:05,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 673 events. 15/673 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1777 event pairs, 7 based on Foata normal form. 0/580 useless extension candidates. Maximal degree in co-relation 623. Up to 25 conditions per place. [2024-11-20 13:53:05,105 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2024-11-20 13:53:05,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 401 transitions, 838 flow [2024-11-20 13:53:05,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:05,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:05,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2024-11-20 13:53:05,109 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2024-11-20 13:53:05,109 INFO L175 Difference]: Start difference. First operand has 404 places, 402 transitions, 814 flow. Second operand 3 states and 1262 transitions. [2024-11-20 13:53:05,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 401 transitions, 838 flow [2024-11-20 13:53:05,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 401 transitions, 834 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:05,117 INFO L231 Difference]: Finished difference. Result has 403 places, 401 transitions, 812 flow [2024-11-20 13:53:05,118 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=812, PETRI_PLACES=403, PETRI_TRANSITIONS=401} [2024-11-20 13:53:05,120 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -12 predicate places. [2024-11-20 13:53:05,120 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 401 transitions, 812 flow [2024-11-20 13:53:05,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-11-20 13:53:05,121 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:05,122 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:05,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 13:53:05,122 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:05,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:05,123 INFO L85 PathProgramCache]: Analyzing trace with hash -968794602, now seen corresponding path program 1 times [2024-11-20 13:53:05,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:05,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515706975] [2024-11-20 13:53:05,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:05,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:05,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:05,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:05,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515706975] [2024-11-20 13:53:05,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515706975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:05,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:05,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:05,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447755719] [2024-11-20 13:53:05,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:05,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:05,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:05,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:05,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:05,221 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2024-11-20 13:53:05,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 401 transitions, 812 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-11-20 13:53:05,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:05,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2024-11-20 13:53:05,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:05,343 INFO L124 PetriNetUnfolderBase]: 15/663 cut-off events. [2024-11-20 13:53:05,343 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-20 13:53:05,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 698 conditions, 663 events. 15/663 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1740 event pairs, 7 based on Foata normal form. 0/574 useless extension candidates. Maximal degree in co-relation 605. Up to 25 conditions per place. [2024-11-20 13:53:05,351 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/400 dead transitions. [2024-11-20 13:53:05,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 400 transitions, 836 flow [2024-11-20 13:53:05,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:05,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:05,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2024-11-20 13:53:05,354 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2024-11-20 13:53:05,355 INFO L175 Difference]: Start difference. First operand has 403 places, 401 transitions, 812 flow. Second operand 3 states and 1262 transitions. [2024-11-20 13:53:05,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 400 transitions, 836 flow [2024-11-20 13:53:05,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 400 transitions, 832 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:05,361 INFO L231 Difference]: Finished difference. Result has 402 places, 400 transitions, 810 flow [2024-11-20 13:53:05,362 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=402, PETRI_TRANSITIONS=400} [2024-11-20 13:53:05,362 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -13 predicate places. [2024-11-20 13:53:05,363 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 400 transitions, 810 flow [2024-11-20 13:53:05,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-11-20 13:53:05,364 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:05,364 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:05,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 13:53:05,364 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:05,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:05,365 INFO L85 PathProgramCache]: Analyzing trace with hash 479133799, now seen corresponding path program 1 times [2024-11-20 13:53:05,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:05,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548495017] [2024-11-20 13:53:05,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:05,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:05,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:05,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:05,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548495017] [2024-11-20 13:53:05,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548495017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:05,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:05,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:05,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608724773] [2024-11-20 13:53:05,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:05,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:05,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:05,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:05,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:05,423 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2024-11-20 13:53:05,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 400 transitions, 810 flow. Second operand has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 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) [2024-11-20 13:53:05,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:05,425 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2024-11-20 13:53:05,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:05,563 INFO L124 PetriNetUnfolderBase]: 21/852 cut-off events. [2024-11-20 13:53:05,564 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-20 13:53:05,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 899 conditions, 852 events. 21/852 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3574 event pairs, 6 based on Foata normal form. 0/740 useless extension candidates. Maximal degree in co-relation 798. Up to 31 conditions per place. [2024-11-20 13:53:05,573 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-11-20 13:53:05,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 402 transitions, 846 flow [2024-11-20 13:53:05,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:05,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:05,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-11-20 13:53:05,576 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-11-20 13:53:05,577 INFO L175 Difference]: Start difference. First operand has 402 places, 400 transitions, 810 flow. Second operand 3 states and 1271 transitions. [2024-11-20 13:53:05,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 402 transitions, 846 flow [2024-11-20 13:53:05,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 402 transitions, 842 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:05,583 INFO L231 Difference]: Finished difference. Result has 401 places, 400 transitions, 816 flow [2024-11-20 13:53:05,584 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=802, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=401, PETRI_TRANSITIONS=400} [2024-11-20 13:53:05,585 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -14 predicate places. [2024-11-20 13:53:05,585 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 400 transitions, 816 flow [2024-11-20 13:53:05,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 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) [2024-11-20 13:53:05,586 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:05,586 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:05,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 13:53:05,586 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:05,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:05,587 INFO L85 PathProgramCache]: Analyzing trace with hash 886112137, now seen corresponding path program 1 times [2024-11-20 13:53:05,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:05,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73160415] [2024-11-20 13:53:05,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:05,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:05,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:05,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:05,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73160415] [2024-11-20 13:53:05,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73160415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:05,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:05,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:05,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148089798] [2024-11-20 13:53:05,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:05,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:05,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:05,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:05,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:05,655 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2024-11-20 13:53:05,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 400 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 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) [2024-11-20 13:53:05,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:05,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2024-11-20 13:53:05,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:05,807 INFO L124 PetriNetUnfolderBase]: 24/1006 cut-off events. [2024-11-20 13:53:05,807 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-20 13:53:05,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1059 conditions, 1006 events. 24/1006 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4949 event pairs, 6 based on Foata normal form. 0/877 useless extension candidates. Maximal degree in co-relation 857. Up to 33 conditions per place. [2024-11-20 13:53:05,823 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-11-20 13:53:05,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 402 transitions, 852 flow [2024-11-20 13:53:05,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:05,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:05,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-11-20 13:53:05,827 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-11-20 13:53:05,827 INFO L175 Difference]: Start difference. First operand has 401 places, 400 transitions, 816 flow. Second operand 3 states and 1271 transitions. [2024-11-20 13:53:05,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 402 transitions, 852 flow [2024-11-20 13:53:05,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 402 transitions, 852 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:53:05,833 INFO L231 Difference]: Finished difference. Result has 402 places, 400 transitions, 826 flow [2024-11-20 13:53:05,834 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=402, PETRI_TRANSITIONS=400} [2024-11-20 13:53:05,834 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -13 predicate places. [2024-11-20 13:53:05,834 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 400 transitions, 826 flow [2024-11-20 13:53:05,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 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) [2024-11-20 13:53:05,835 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:05,835 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] [2024-11-20 13:53:05,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 13:53:05,836 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:05,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:05,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1509085817, now seen corresponding path program 1 times [2024-11-20 13:53:05,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:05,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501483526] [2024-11-20 13:53:05,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:05,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:05,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:05,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501483526] [2024-11-20 13:53:05,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501483526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:05,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:05,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:05,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109485101] [2024-11-20 13:53:05,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:05,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:05,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:05,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:05,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:05,880 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2024-11-20 13:53:05,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 400 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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) [2024-11-20 13:53:05,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:05,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2024-11-20 13:53:05,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:06,103 INFO L124 PetriNetUnfolderBase]: 44/1634 cut-off events. [2024-11-20 13:53:06,104 INFO L125 PetriNetUnfolderBase]: For 4/8 co-relation queries the response was YES. [2024-11-20 13:53:06,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1728 conditions, 1634 events. 44/1634 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 10892 event pairs, 11 based on Foata normal form. 0/1413 useless extension candidates. Maximal degree in co-relation 1432. Up to 43 conditions per place. [2024-11-20 13:53:06,125 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-11-20 13:53:06,126 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 402 transitions, 862 flow [2024-11-20 13:53:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:06,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:06,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-11-20 13:53:06,128 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-11-20 13:53:06,128 INFO L175 Difference]: Start difference. First operand has 402 places, 400 transitions, 826 flow. Second operand 3 states and 1271 transitions. [2024-11-20 13:53:06,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 402 transitions, 862 flow [2024-11-20 13:53:06,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 402 transitions, 862 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:53:06,135 INFO L231 Difference]: Finished difference. Result has 403 places, 400 transitions, 836 flow [2024-11-20 13:53:06,136 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=836, PETRI_PLACES=403, PETRI_TRANSITIONS=400} [2024-11-20 13:53:06,136 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -12 predicate places. [2024-11-20 13:53:06,136 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 400 transitions, 836 flow [2024-11-20 13:53:06,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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) [2024-11-20 13:53:06,137 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:06,138 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] [2024-11-20 13:53:06,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 13:53:06,138 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:06,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:06,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1467440933, now seen corresponding path program 1 times [2024-11-20 13:53:06,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:06,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052691287] [2024-11-20 13:53:06,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:06,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:06,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:06,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:06,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052691287] [2024-11-20 13:53:06,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052691287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:06,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:06,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:06,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295030165] [2024-11-20 13:53:06,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:06,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:06,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:06,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:06,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:06,188 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2024-11-20 13:53:06,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 400 transitions, 836 flow. Second operand has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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) [2024-11-20 13:53:06,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:06,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2024-11-20 13:53:06,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:06,381 INFO L124 PetriNetUnfolderBase]: 42/1269 cut-off events. [2024-11-20 13:53:06,381 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2024-11-20 13:53:06,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1363 conditions, 1269 events. 42/1269 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7597 event pairs, 5 based on Foata normal form. 0/1101 useless extension candidates. Maximal degree in co-relation 1159. Up to 50 conditions per place. [2024-11-20 13:53:06,399 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-11-20 13:53:06,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 402 transitions, 872 flow [2024-11-20 13:53:06,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:06,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:06,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-11-20 13:53:06,403 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-11-20 13:53:06,403 INFO L175 Difference]: Start difference. First operand has 403 places, 400 transitions, 836 flow. Second operand 3 states and 1271 transitions. [2024-11-20 13:53:06,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 402 transitions, 872 flow [2024-11-20 13:53:06,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 402 transitions, 872 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:53:06,410 INFO L231 Difference]: Finished difference. Result has 404 places, 400 transitions, 846 flow [2024-11-20 13:53:06,411 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=846, PETRI_PLACES=404, PETRI_TRANSITIONS=400} [2024-11-20 13:53:06,412 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -11 predicate places. [2024-11-20 13:53:06,413 INFO L471 AbstractCegarLoop]: Abstraction has has 404 places, 400 transitions, 846 flow [2024-11-20 13:53:06,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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) [2024-11-20 13:53:06,414 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:06,414 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:06,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 13:53:06,414 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:06,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:06,415 INFO L85 PathProgramCache]: Analyzing trace with hash 651751019, now seen corresponding path program 1 times [2024-11-20 13:53:06,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:06,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836831595] [2024-11-20 13:53:06,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:06,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:06,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:06,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:06,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836831595] [2024-11-20 13:53:06,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836831595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:06,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:06,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:06,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872518214] [2024-11-20 13:53:06,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:06,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:06,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:06,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:06,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:06,482 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2024-11-20 13:53:06,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 400 transitions, 846 flow. Second operand has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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) [2024-11-20 13:53:06,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:06,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2024-11-20 13:53:06,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:06,729 INFO L124 PetriNetUnfolderBase]: 61/1652 cut-off events. [2024-11-20 13:53:06,729 INFO L125 PetriNetUnfolderBase]: For 19/25 co-relation queries the response was YES. [2024-11-20 13:53:06,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1768 conditions, 1652 events. 61/1652 cut-off events. For 19/25 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 9967 event pairs, 18 based on Foata normal form. 0/1412 useless extension candidates. Maximal degree in co-relation 1523. Up to 70 conditions per place. [2024-11-20 13:53:06,746 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-11-20 13:53:06,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 402 transitions, 882 flow [2024-11-20 13:53:06,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:06,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:06,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-11-20 13:53:06,749 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-11-20 13:53:06,749 INFO L175 Difference]: Start difference. First operand has 404 places, 400 transitions, 846 flow. Second operand 3 states and 1271 transitions. [2024-11-20 13:53:06,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 402 transitions, 882 flow [2024-11-20 13:53:06,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 402 transitions, 882 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:53:06,755 INFO L231 Difference]: Finished difference. Result has 405 places, 400 transitions, 856 flow [2024-11-20 13:53:06,756 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=842, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=856, PETRI_PLACES=405, PETRI_TRANSITIONS=400} [2024-11-20 13:53:06,757 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -10 predicate places. [2024-11-20 13:53:06,757 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 400 transitions, 856 flow [2024-11-20 13:53:06,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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) [2024-11-20 13:53:06,758 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:06,758 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:06,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 13:53:06,758 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:06,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:06,759 INFO L85 PathProgramCache]: Analyzing trace with hash -732459891, now seen corresponding path program 1 times [2024-11-20 13:53:06,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:06,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392699968] [2024-11-20 13:53:06,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:06,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:06,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:06,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:06,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392699968] [2024-11-20 13:53:06,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392699968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:06,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:06,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:06,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722286100] [2024-11-20 13:53:06,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:06,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:06,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:06,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:06,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:06,811 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2024-11-20 13:53:06,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 400 transitions, 856 flow. Second operand has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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) [2024-11-20 13:53:06,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:06,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2024-11-20 13:53:06,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:07,145 INFO L124 PetriNetUnfolderBase]: 70/1820 cut-off events. [2024-11-20 13:53:07,145 INFO L125 PetriNetUnfolderBase]: For 21/27 co-relation queries the response was YES. [2024-11-20 13:53:07,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1961 conditions, 1820 events. 70/1820 cut-off events. For 21/27 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 11195 event pairs, 10 based on Foata normal form. 0/1568 useless extension candidates. Maximal degree in co-relation 1718. Up to 80 conditions per place. [2024-11-20 13:53:07,166 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-11-20 13:53:07,166 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 402 transitions, 892 flow [2024-11-20 13:53:07,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:07,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:07,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-11-20 13:53:07,170 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-11-20 13:53:07,170 INFO L175 Difference]: Start difference. First operand has 405 places, 400 transitions, 856 flow. Second operand 3 states and 1271 transitions. [2024-11-20 13:53:07,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 402 transitions, 892 flow [2024-11-20 13:53:07,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 402 transitions, 892 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:53:07,178 INFO L231 Difference]: Finished difference. Result has 406 places, 400 transitions, 866 flow [2024-11-20 13:53:07,179 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=852, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=866, PETRI_PLACES=406, PETRI_TRANSITIONS=400} [2024-11-20 13:53:07,179 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -9 predicate places. [2024-11-20 13:53:07,179 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 400 transitions, 866 flow [2024-11-20 13:53:07,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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) [2024-11-20 13:53:07,180 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:07,181 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:07,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 13:53:07,181 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:07,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:07,181 INFO L85 PathProgramCache]: Analyzing trace with hash 212449739, now seen corresponding path program 1 times [2024-11-20 13:53:07,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:07,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831527919] [2024-11-20 13:53:07,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:07,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:07,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:07,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:07,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831527919] [2024-11-20 13:53:07,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831527919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:07,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:07,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:07,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814533113] [2024-11-20 13:53:07,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:07,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:07,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:07,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:07,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:07,250 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 445 [2024-11-20 13:53:07,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 400 transitions, 866 flow. Second operand has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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) [2024-11-20 13:53:07,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:07,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 445 [2024-11-20 13:53:07,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:07,547 INFO L124 PetriNetUnfolderBase]: 178/1862 cut-off events. [2024-11-20 13:53:07,547 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-11-20 13:53:07,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2248 conditions, 1862 events. 178/1862 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 13026 event pairs, 84 based on Foata normal form. 0/1590 useless extension candidates. Maximal degree in co-relation 1917. Up to 293 conditions per place. [2024-11-20 13:53:07,564 INFO L140 encePairwiseOnDemand]: 439/445 looper letters, 17 selfloop transitions, 2 changer transitions 0/400 dead transitions. [2024-11-20 13:53:07,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 400 transitions, 906 flow [2024-11-20 13:53:07,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:07,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:07,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1259 transitions. [2024-11-20 13:53:07,567 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9430711610486892 [2024-11-20 13:53:07,567 INFO L175 Difference]: Start difference. First operand has 406 places, 400 transitions, 866 flow. Second operand 3 states and 1259 transitions. [2024-11-20 13:53:07,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 400 transitions, 906 flow [2024-11-20 13:53:07,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 400 transitions, 906 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:53:07,573 INFO L231 Difference]: Finished difference. Result has 405 places, 398 transitions, 872 flow [2024-11-20 13:53:07,574 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=872, PETRI_PLACES=405, PETRI_TRANSITIONS=398} [2024-11-20 13:53:07,574 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -10 predicate places. [2024-11-20 13:53:07,574 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 398 transitions, 872 flow [2024-11-20 13:53:07,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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) [2024-11-20 13:53:07,575 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:07,575 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:07,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 13:53:07,576 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:07,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:07,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1994196883, now seen corresponding path program 1 times [2024-11-20 13:53:07,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:07,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484771] [2024-11-20 13:53:07,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:07,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:07,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:07,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:07,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484771] [2024-11-20 13:53:07,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:07,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:07,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:07,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718437708] [2024-11-20 13:53:07,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:07,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:07,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:07,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:07,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:07,635 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 445 [2024-11-20 13:53:07,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 398 transitions, 872 flow. Second operand has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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) [2024-11-20 13:53:07,637 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:07,637 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 445 [2024-11-20 13:53:07,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:07,857 INFO L124 PetriNetUnfolderBase]: 123/1527 cut-off events. [2024-11-20 13:53:07,857 INFO L125 PetriNetUnfolderBase]: For 12/42 co-relation queries the response was YES. [2024-11-20 13:53:07,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1827 conditions, 1527 events. 123/1527 cut-off events. For 12/42 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 9568 event pairs, 28 based on Foata normal form. 1/1353 useless extension candidates. Maximal degree in co-relation 1543. Up to 152 conditions per place. [2024-11-20 13:53:07,911 INFO L140 encePairwiseOnDemand]: 439/445 looper letters, 17 selfloop transitions, 2 changer transitions 0/398 dead transitions. [2024-11-20 13:53:07,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 398 transitions, 912 flow [2024-11-20 13:53:07,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:07,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:07,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1259 transitions. [2024-11-20 13:53:07,914 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9430711610486892 [2024-11-20 13:53:07,914 INFO L175 Difference]: Start difference. First operand has 405 places, 398 transitions, 872 flow. Second operand 3 states and 1259 transitions. [2024-11-20 13:53:07,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 398 transitions, 912 flow [2024-11-20 13:53:07,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 398 transitions, 912 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:53:07,920 INFO L231 Difference]: Finished difference. Result has 404 places, 396 transitions, 878 flow [2024-11-20 13:53:07,921 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=864, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=878, PETRI_PLACES=404, PETRI_TRANSITIONS=396} [2024-11-20 13:53:07,921 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -11 predicate places. [2024-11-20 13:53:07,921 INFO L471 AbstractCegarLoop]: Abstraction has has 404 places, 396 transitions, 878 flow [2024-11-20 13:53:07,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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) [2024-11-20 13:53:07,922 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:07,922 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:07,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 13:53:07,923 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:07,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:07,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1779658794, now seen corresponding path program 1 times [2024-11-20 13:53:07,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:07,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135660668] [2024-11-20 13:53:07,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:07,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:07,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:07,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:07,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135660668] [2024-11-20 13:53:07,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135660668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:07,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:07,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:07,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947224890] [2024-11-20 13:53:07,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:07,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:07,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:07,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:07,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:07,974 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 445 [2024-11-20 13:53:07,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 396 transitions, 878 flow. Second operand has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 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) [2024-11-20 13:53:07,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:07,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 445 [2024-11-20 13:53:07,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:08,191 INFO L124 PetriNetUnfolderBase]: 60/1524 cut-off events. [2024-11-20 13:53:08,192 INFO L125 PetriNetUnfolderBase]: For 5/20 co-relation queries the response was YES. [2024-11-20 13:53:08,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1742 conditions, 1524 events. 60/1524 cut-off events. For 5/20 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 8498 event pairs, 8 based on Foata normal form. 2/1374 useless extension candidates. Maximal degree in co-relation 1416. Up to 38 conditions per place. [2024-11-20 13:53:08,212 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/397 dead transitions. [2024-11-20 13:53:08,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 397 transitions, 908 flow [2024-11-20 13:53:08,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:08,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:08,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-11-20 13:53:08,215 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-11-20 13:53:08,215 INFO L175 Difference]: Start difference. First operand has 404 places, 396 transitions, 878 flow. Second operand 3 states and 1271 transitions. [2024-11-20 13:53:08,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 397 transitions, 908 flow [2024-11-20 13:53:08,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 397 transitions, 908 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:53:08,222 INFO L231 Difference]: Finished difference. Result has 405 places, 395 transitions, 880 flow [2024-11-20 13:53:08,223 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=880, PETRI_PLACES=405, PETRI_TRANSITIONS=395} [2024-11-20 13:53:08,223 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -10 predicate places. [2024-11-20 13:53:08,223 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 395 transitions, 880 flow [2024-11-20 13:53:08,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 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) [2024-11-20 13:53:08,224 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:08,224 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:08,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 13:53:08,224 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:08,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:08,225 INFO L85 PathProgramCache]: Analyzing trace with hash 651125951, now seen corresponding path program 1 times [2024-11-20 13:53:08,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:08,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356705403] [2024-11-20 13:53:08,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:08,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:08,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:08,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:08,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356705403] [2024-11-20 13:53:08,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356705403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:08,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:08,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:08,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392928656] [2024-11-20 13:53:08,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:08,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:08,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:08,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:08,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:08,300 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 445 [2024-11-20 13:53:08,301 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 395 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 413.6666666666667) internal successors, (1241), 3 states have internal predecessors, (1241), 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) [2024-11-20 13:53:08,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:08,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 445 [2024-11-20 13:53:08,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:08,590 INFO L124 PetriNetUnfolderBase]: 222/1927 cut-off events. [2024-11-20 13:53:08,590 INFO L125 PetriNetUnfolderBase]: For 49/53 co-relation queries the response was YES. [2024-11-20 13:53:08,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2414 conditions, 1927 events. 222/1927 cut-off events. For 49/53 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 12369 event pairs, 76 based on Foata normal form. 0/1735 useless extension candidates. Maximal degree in co-relation 2166. Up to 346 conditions per place. [2024-11-20 13:53:08,614 INFO L140 encePairwiseOnDemand]: 439/445 looper letters, 17 selfloop transitions, 2 changer transitions 0/395 dead transitions. [2024-11-20 13:53:08,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 395 transitions, 920 flow [2024-11-20 13:53:08,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:08,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:08,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1259 transitions. [2024-11-20 13:53:08,617 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9430711610486892 [2024-11-20 13:53:08,617 INFO L175 Difference]: Start difference. First operand has 405 places, 395 transitions, 880 flow. Second operand 3 states and 1259 transitions. [2024-11-20 13:53:08,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 395 transitions, 920 flow [2024-11-20 13:53:08,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 395 transitions, 916 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:08,624 INFO L231 Difference]: Finished difference. Result has 402 places, 393 transitions, 882 flow [2024-11-20 13:53:08,624 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=402, PETRI_TRANSITIONS=393} [2024-11-20 13:53:08,625 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -13 predicate places. [2024-11-20 13:53:08,625 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 393 transitions, 882 flow [2024-11-20 13:53:08,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.6666666666667) internal successors, (1241), 3 states have internal predecessors, (1241), 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) [2024-11-20 13:53:08,626 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:08,626 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:08,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 13:53:08,626 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:08,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:08,626 INFO L85 PathProgramCache]: Analyzing trace with hash -82359832, now seen corresponding path program 1 times [2024-11-20 13:53:08,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:08,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974754273] [2024-11-20 13:53:08,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:08,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:08,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:08,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:08,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974754273] [2024-11-20 13:53:08,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974754273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:08,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:08,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:08,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181922532] [2024-11-20 13:53:08,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:08,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:08,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:08,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:08,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:08,686 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 445 [2024-11-20 13:53:08,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 393 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 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) [2024-11-20 13:53:08,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:08,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 445 [2024-11-20 13:53:08,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:08,982 INFO L124 PetriNetUnfolderBase]: 66/1560 cut-off events. [2024-11-20 13:53:08,983 INFO L125 PetriNetUnfolderBase]: For 9/21 co-relation queries the response was YES. [2024-11-20 13:53:08,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1805 conditions, 1560 events. 66/1560 cut-off events. For 9/21 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 8750 event pairs, 6 based on Foata normal form. 1/1444 useless extension candidates. Maximal degree in co-relation 1593. Up to 48 conditions per place. [2024-11-20 13:53:09,002 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/394 dead transitions. [2024-11-20 13:53:09,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 394 transitions, 912 flow [2024-11-20 13:53:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:09,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:09,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-11-20 13:53:09,006 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-11-20 13:53:09,007 INFO L175 Difference]: Start difference. First operand has 402 places, 393 transitions, 882 flow. Second operand 3 states and 1271 transitions. [2024-11-20 13:53:09,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 394 transitions, 912 flow [2024-11-20 13:53:09,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 394 transitions, 912 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:53:09,015 INFO L231 Difference]: Finished difference. Result has 403 places, 392 transitions, 884 flow [2024-11-20 13:53:09,016 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=403, PETRI_TRANSITIONS=392} [2024-11-20 13:53:09,017 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -12 predicate places. [2024-11-20 13:53:09,017 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 392 transitions, 884 flow [2024-11-20 13:53:09,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 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) [2024-11-20 13:53:09,019 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:09,019 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:09,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-20 13:53:09,020 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:09,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:09,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1144087775, now seen corresponding path program 1 times [2024-11-20 13:53:09,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:09,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803413970] [2024-11-20 13:53:09,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:09,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:09,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:09,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:09,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803413970] [2024-11-20 13:53:09,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803413970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:09,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:09,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:09,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017694705] [2024-11-20 13:53:09,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:09,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:09,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:09,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:09,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:09,095 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 445 [2024-11-20 13:53:09,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 392 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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) [2024-11-20 13:53:09,097 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:09,097 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 445 [2024-11-20 13:53:09,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:09,378 INFO L124 PetriNetUnfolderBase]: 74/1231 cut-off events. [2024-11-20 13:53:09,378 INFO L125 PetriNetUnfolderBase]: For 31/37 co-relation queries the response was YES. [2024-11-20 13:53:09,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1539 conditions, 1231 events. 74/1231 cut-off events. For 31/37 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6257 event pairs, 14 based on Foata normal form. 0/1155 useless extension candidates. Maximal degree in co-relation 1475. Up to 76 conditions per place. [2024-11-20 13:53:09,396 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/393 dead transitions. [2024-11-20 13:53:09,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 393 transitions, 914 flow [2024-11-20 13:53:09,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:09,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:09,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-11-20 13:53:09,400 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-11-20 13:53:09,400 INFO L175 Difference]: Start difference. First operand has 403 places, 392 transitions, 884 flow. Second operand 3 states and 1271 transitions. [2024-11-20 13:53:09,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 393 transitions, 914 flow [2024-11-20 13:53:09,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 393 transitions, 910 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:09,408 INFO L231 Difference]: Finished difference. Result has 402 places, 391 transitions, 882 flow [2024-11-20 13:53:09,409 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=402, PETRI_TRANSITIONS=391} [2024-11-20 13:53:09,409 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -13 predicate places. [2024-11-20 13:53:09,410 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 391 transitions, 882 flow [2024-11-20 13:53:09,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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) [2024-11-20 13:53:09,411 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:09,411 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:09,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-20 13:53:09,411 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:09,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:09,412 INFO L85 PathProgramCache]: Analyzing trace with hash -551136353, now seen corresponding path program 1 times [2024-11-20 13:53:09,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:09,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002277740] [2024-11-20 13:53:09,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:09,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:09,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:09,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:09,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002277740] [2024-11-20 13:53:09,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002277740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:09,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:09,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:09,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664292490] [2024-11-20 13:53:09,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:09,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:09,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:09,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:09,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:09,530 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 445 [2024-11-20 13:53:09,532 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 391 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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) [2024-11-20 13:53:09,532 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:09,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 445 [2024-11-20 13:53:09,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:09,784 INFO L124 PetriNetUnfolderBase]: 60/1538 cut-off events. [2024-11-20 13:53:09,784 INFO L125 PetriNetUnfolderBase]: For 5/11 co-relation queries the response was YES. [2024-11-20 13:53:09,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1818 conditions, 1538 events. 60/1538 cut-off events. For 5/11 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8400 event pairs, 4 based on Foata normal form. 0/1444 useless extension candidates. Maximal degree in co-relation 1589. Up to 50 conditions per place. [2024-11-20 13:53:09,796 INFO L140 encePairwiseOnDemand]: 443/445 looper letters, 8 selfloop transitions, 1 changer transitions 0/390 dead transitions. [2024-11-20 13:53:09,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 390 transitions, 898 flow [2024-11-20 13:53:09,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:09,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:09,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1273 transitions. [2024-11-20 13:53:09,799 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9535580524344569 [2024-11-20 13:53:09,799 INFO L175 Difference]: Start difference. First operand has 402 places, 391 transitions, 882 flow. Second operand 3 states and 1273 transitions. [2024-11-20 13:53:09,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 390 transitions, 898 flow [2024-11-20 13:53:09,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 390 transitions, 894 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:09,806 INFO L231 Difference]: Finished difference. Result has 401 places, 390 transitions, 878 flow [2024-11-20 13:53:09,807 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=878, PETRI_PLACES=401, PETRI_TRANSITIONS=390} [2024-11-20 13:53:09,807 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -14 predicate places. [2024-11-20 13:53:09,808 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 390 transitions, 878 flow [2024-11-20 13:53:09,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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) [2024-11-20 13:53:09,808 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:09,809 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:09,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-20 13:53:09,809 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:09,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:09,809 INFO L85 PathProgramCache]: Analyzing trace with hash -592800542, now seen corresponding path program 1 times [2024-11-20 13:53:09,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:09,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246625592] [2024-11-20 13:53:09,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:09,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:09,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:09,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:09,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246625592] [2024-11-20 13:53:09,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246625592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:09,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:09,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:09,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917751373] [2024-11-20 13:53:09,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:09,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:09,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:09,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:09,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:09,902 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 445 [2024-11-20 13:53:09,903 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 390 transitions, 878 flow. Second operand has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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) [2024-11-20 13:53:09,903 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:09,904 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 445 [2024-11-20 13:53:09,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:10,134 INFO L124 PetriNetUnfolderBase]: 56/1511 cut-off events. [2024-11-20 13:53:10,134 INFO L125 PetriNetUnfolderBase]: For 5/11 co-relation queries the response was YES. [2024-11-20 13:53:10,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1729 conditions, 1511 events. 56/1511 cut-off events. For 5/11 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8189 event pairs, 3 based on Foata normal form. 0/1420 useless extension candidates. Maximal degree in co-relation 1698. Up to 48 conditions per place. [2024-11-20 13:53:10,156 INFO L140 encePairwiseOnDemand]: 443/445 looper letters, 8 selfloop transitions, 1 changer transitions 0/389 dead transitions. [2024-11-20 13:53:10,156 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 389 transitions, 894 flow [2024-11-20 13:53:10,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:10,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:10,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1273 transitions. [2024-11-20 13:53:10,159 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9535580524344569 [2024-11-20 13:53:10,159 INFO L175 Difference]: Start difference. First operand has 401 places, 390 transitions, 878 flow. Second operand 3 states and 1273 transitions. [2024-11-20 13:53:10,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 389 transitions, 894 flow [2024-11-20 13:53:10,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 389 transitions, 893 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:53:10,166 INFO L231 Difference]: Finished difference. Result has 401 places, 389 transitions, 877 flow [2024-11-20 13:53:10,167 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=875, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=877, PETRI_PLACES=401, PETRI_TRANSITIONS=389} [2024-11-20 13:53:10,168 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -14 predicate places. [2024-11-20 13:53:10,168 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 389 transitions, 877 flow [2024-11-20 13:53:10,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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) [2024-11-20 13:53:10,169 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:10,169 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:10,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-20 13:53:10,169 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-20 13:53:10,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:10,170 INFO L85 PathProgramCache]: Analyzing trace with hash -933491653, now seen corresponding path program 1 times [2024-11-20 13:53:10,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:10,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239016870] [2024-11-20 13:53:10,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:10,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:10,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:10,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:10,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239016870] [2024-11-20 13:53:10,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239016870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:10,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:10,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:10,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137236640] [2024-11-20 13:53:10,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:10,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:10,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:10,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:10,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:10,255 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 445 [2024-11-20 13:53:10,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 389 transitions, 877 flow. Second operand has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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) [2024-11-20 13:53:10,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:10,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 445 [2024-11-20 13:53:10,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:10,430 INFO L124 PetriNetUnfolderBase]: 52/1170 cut-off events. [2024-11-20 13:53:10,430 INFO L125 PetriNetUnfolderBase]: For 10/16 co-relation queries the response was YES. [2024-11-20 13:53:10,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1378 conditions, 1170 events. 52/1170 cut-off events. For 10/16 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5778 event pairs, 7 based on Foata normal form. 2/1098 useless extension candidates. Maximal degree in co-relation 1358. Up to 42 conditions per place. [2024-11-20 13:53:10,446 INFO L140 encePairwiseOnDemand]: 443/445 looper letters, 0 selfloop transitions, 0 changer transitions 388/388 dead transitions. [2024-11-20 13:53:10,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 388 transitions, 891 flow [2024-11-20 13:53:10,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:10,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:10,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1272 transitions. [2024-11-20 13:53:10,449 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.952808988764045 [2024-11-20 13:53:10,449 INFO L175 Difference]: Start difference. First operand has 401 places, 389 transitions, 877 flow. Second operand 3 states and 1272 transitions. [2024-11-20 13:53:10,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 388 transitions, 891 flow [2024-11-20 13:53:10,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 388 transitions, 890 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:53:10,454 INFO L231 Difference]: Finished difference. Result has 401 places, 0 transitions, 0 flow [2024-11-20 13:53:10,454 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=401, PETRI_TRANSITIONS=0} [2024-11-20 13:53:10,455 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -14 predicate places. [2024-11-20 13:53:10,455 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 0 transitions, 0 flow [2024-11-20 13:53:10,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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) [2024-11-20 13:53:10,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (68 of 69 remaining) [2024-11-20 13:53:10,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (67 of 69 remaining) [2024-11-20 13:53:10,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (66 of 69 remaining) [2024-11-20 13:53:10,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (65 of 69 remaining) [2024-11-20 13:53:10,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (64 of 69 remaining) [2024-11-20 13:53:10,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (63 of 69 remaining) [2024-11-20 13:53:10,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (62 of 69 remaining) [2024-11-20 13:53:10,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (61 of 69 remaining) [2024-11-20 13:53:10,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (60 of 69 remaining) [2024-11-20 13:53:10,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (59 of 69 remaining) [2024-11-20 13:53:10,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (58 of 69 remaining) [2024-11-20 13:53:10,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (57 of 69 remaining) [2024-11-20 13:53:10,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (56 of 69 remaining) [2024-11-20 13:53:10,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (55 of 69 remaining) [2024-11-20 13:53:10,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (54 of 69 remaining) [2024-11-20 13:53:10,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (53 of 69 remaining) [2024-11-20 13:53:10,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (52 of 69 remaining) [2024-11-20 13:53:10,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (51 of 69 remaining) [2024-11-20 13:53:10,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (50 of 69 remaining) [2024-11-20 13:53:10,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (49 of 69 remaining) [2024-11-20 13:53:10,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (48 of 69 remaining) [2024-11-20 13:53:10,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (47 of 69 remaining) [2024-11-20 13:53:10,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (46 of 69 remaining) [2024-11-20 13:53:10,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (45 of 69 remaining) [2024-11-20 13:53:10,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (44 of 69 remaining) [2024-11-20 13:53:10,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (43 of 69 remaining) [2024-11-20 13:53:10,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (42 of 69 remaining) [2024-11-20 13:53:10,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (41 of 69 remaining) [2024-11-20 13:53:10,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (40 of 69 remaining) [2024-11-20 13:53:10,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (39 of 69 remaining) [2024-11-20 13:53:10,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (38 of 69 remaining) [2024-11-20 13:53:10,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 69 remaining) [2024-11-20 13:53:10,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (36 of 69 remaining) [2024-11-20 13:53:10,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (35 of 69 remaining) [2024-11-20 13:53:10,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (34 of 69 remaining) [2024-11-20 13:53:10,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (33 of 69 remaining) [2024-11-20 13:53:10,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (32 of 69 remaining) [2024-11-20 13:53:10,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (31 of 69 remaining) [2024-11-20 13:53:10,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (30 of 69 remaining) [2024-11-20 13:53:10,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 69 remaining) [2024-11-20 13:53:10,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 69 remaining) [2024-11-20 13:53:10,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 69 remaining) [2024-11-20 13:53:10,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 69 remaining) [2024-11-20 13:53:10,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 69 remaining) [2024-11-20 13:53:10,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 69 remaining) [2024-11-20 13:53:10,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 69 remaining) [2024-11-20 13:53:10,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 69 remaining) [2024-11-20 13:53:10,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 69 remaining) [2024-11-20 13:53:10,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (20 of 69 remaining) [2024-11-20 13:53:10,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (19 of 69 remaining) [2024-11-20 13:53:10,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (18 of 69 remaining) [2024-11-20 13:53:10,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 69 remaining) [2024-11-20 13:53:10,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 69 remaining) [2024-11-20 13:53:10,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 69 remaining) [2024-11-20 13:53:10,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 69 remaining) [2024-11-20 13:53:10,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 69 remaining) [2024-11-20 13:53:10,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 69 remaining) [2024-11-20 13:53:10,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 69 remaining) [2024-11-20 13:53:10,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 69 remaining) [2024-11-20 13:53:10,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 69 remaining) [2024-11-20 13:53:10,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 69 remaining) [2024-11-20 13:53:10,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 69 remaining) [2024-11-20 13:53:10,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 69 remaining) [2024-11-20 13:53:10,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 69 remaining) [2024-11-20 13:53:10,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 69 remaining) [2024-11-20 13:53:10,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 69 remaining) [2024-11-20 13:53:10,468 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 69 remaining) [2024-11-20 13:53:10,468 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 69 remaining) [2024-11-20 13:53:10,468 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 69 remaining) [2024-11-20 13:53:10,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-20 13:53:10,468 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:10,475 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 13:53:10,475 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 13:53:10,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:53:10 BasicIcfg [2024-11-20 13:53:10,481 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 13:53:10,482 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 13:53:10,482 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 13:53:10,482 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 13:53:10,484 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:53:02" (3/4) ... [2024-11-20 13:53:10,485 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 13:53:10,489 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-20 13:53:10,489 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-20 13:53:10,489 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-20 13:53:10,495 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-20 13:53:10,496 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-20 13:53:10,496 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 13:53:10,497 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 13:53:10,579 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 13:53:10,580 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 13:53:10,580 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 13:53:10,580 INFO L158 Benchmark]: Toolchain (without parser) took 9726.77ms. Allocated memory was 138.4MB in the beginning and 618.7MB in the end (delta: 480.2MB). Free memory was 66.9MB in the beginning and 219.9MB in the end (delta: -153.0MB). Peak memory consumption was 330.0MB. Max. memory is 16.1GB. [2024-11-20 13:53:10,581 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 138.4MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:53:10,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.26ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 66.8MB in the beginning and 139.0MB in the end (delta: -72.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-11-20 13:53:10,582 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.60ms. Allocated memory is still 172.0MB. Free memory was 139.0MB in the beginning and 136.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:53:10,582 INFO L158 Benchmark]: Boogie Preprocessor took 53.15ms. Allocated memory is still 172.0MB. Free memory was 136.9MB in the beginning and 134.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:53:10,582 INFO L158 Benchmark]: RCFGBuilder took 775.86ms. Allocated memory is still 172.0MB. Free memory was 134.8MB in the beginning and 104.4MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-20 13:53:10,583 INFO L158 Benchmark]: TraceAbstraction took 8415.46ms. Allocated memory was 172.0MB in the beginning and 618.7MB in the end (delta: 446.7MB). Free memory was 104.4MB in the beginning and 225.1MB in the end (delta: -120.7MB). Peak memory consumption was 327.0MB. Max. memory is 16.1GB. [2024-11-20 13:53:10,583 INFO L158 Benchmark]: Witness Printer took 98.16ms. Allocated memory is still 618.7MB. Free memory was 225.1MB in the beginning and 219.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 13:53:10,584 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 138.4MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.26ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 66.8MB in the beginning and 139.0MB in the end (delta: -72.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.60ms. Allocated memory is still 172.0MB. Free memory was 139.0MB in the beginning and 136.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.15ms. Allocated memory is still 172.0MB. Free memory was 136.9MB in the beginning and 134.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 775.86ms. Allocated memory is still 172.0MB. Free memory was 134.8MB in the beginning and 104.4MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 8415.46ms. Allocated memory was 172.0MB in the beginning and 618.7MB in the end (delta: 446.7MB). Free memory was 104.4MB in the beginning and 225.1MB in the end (delta: -120.7MB). Peak memory consumption was 327.0MB. Max. memory is 16.1GB. * Witness Printer took 98.16ms. Allocated memory is still 618.7MB. Free memory was 225.1MB in the beginning and 219.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 701 locations, 69 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: 8.2s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 462 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 102 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 620 IncrementalHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 102 mSDtfsCounter, 620 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=884occurred in iteration=20, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 3250 NumberOfCodeBlocks, 3250 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3226 ConstructedInterpolants, 0 QuantifiedInterpolants, 3274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 39 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-20 13:53:10,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE