./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-sre-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-sre-subst.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f15efb4f8a286b7a1ad39e3d0e5f0f11fbc70672e37c5d5b49fafb43ac86a5c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:31:31,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:31:31,335 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:31:31,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:31:31,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:31:31,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:31:31,367 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:31:31,368 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:31:31,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:31:31,369 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:31:31,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:31:31,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:31:31,370 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:31:31,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:31:31,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:31:31,374 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:31:31,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:31:31,375 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:31:31,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:31:31,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:31:31,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:31:31,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:31:31,380 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:31:31,380 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:31:31,380 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:31:31,380 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:31:31,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:31:31,381 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:31:31,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:31:31,381 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:31:31,382 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:31:31,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:31:31,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:31:31,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:31:31,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:31:31,383 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:31:31,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:31:31,386 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:31:31,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:31:31,387 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:31:31,387 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:31:31,388 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f15efb4f8a286b7a1ad39e3d0e5f0f11fbc70672e37c5d5b49fafb43ac86a5c [2024-10-24 15:31:31,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:31:31,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:31:31,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:31:31,663 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:31:31,663 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:31:31,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-sre-subst.wvr.c [2024-10-24 15:31:33,199 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:31:33,391 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:31:33,392 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-sre-subst.wvr.c [2024-10-24 15:31:33,400 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/516eb85c4/368b78ce19f446abaacdc753b1706f1c/FLAG23598ce84 [2024-10-24 15:31:33,412 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/516eb85c4/368b78ce19f446abaacdc753b1706f1c [2024-10-24 15:31:33,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:31:33,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:31:33,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:31:33,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:31:33,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:31:33,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:31:33" (1/1) ... [2024-10-24 15:31:33,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1660320e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:33, skipping insertion in model container [2024-10-24 15:31:33,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:31:33" (1/1) ... [2024-10-24 15:31:33,449 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:31:33,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:31:33,649 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:31:33,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:31:33,686 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:31:33,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:33 WrapperNode [2024-10-24 15:31:33,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:31:33,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:31:33,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:31:33,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:31:33,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:33" (1/1) ... [2024-10-24 15:31:33,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:33" (1/1) ... [2024-10-24 15:31:33,722 INFO L138 Inliner]: procedures = 21, calls = 12, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 89 [2024-10-24 15:31:33,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:31:33,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:31:33,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:31:33,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:31:33,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:33" (1/1) ... [2024-10-24 15:31:33,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:33" (1/1) ... [2024-10-24 15:31:33,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:33" (1/1) ... [2024-10-24 15:31:33,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:33" (1/1) ... [2024-10-24 15:31:33,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:33" (1/1) ... [2024-10-24 15:31:33,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:33" (1/1) ... [2024-10-24 15:31:33,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:33" (1/1) ... [2024-10-24 15:31:33,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:33" (1/1) ... [2024-10-24 15:31:33,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:31:33,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:31:33,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:31:33,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:31:33,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:33" (1/1) ... [2024-10-24 15:31:33,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:31:33,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:31:33,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 15:31:33,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 15:31:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:31:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-24 15:31:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-24 15:31:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-24 15:31:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-24 15:31:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-24 15:31:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-24 15:31:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:31:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:31:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:31:33,855 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:31:33,977 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:31:33,982 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:31:34,298 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:31:34,299 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:31:34,322 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:31:34,322 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 15:31:34,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:31:34 BoogieIcfgContainer [2024-10-24 15:31:34,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:31:34,326 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:31:34,326 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:31:34,330 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:31:34,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:31:33" (1/3) ... [2024-10-24 15:31:34,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@703a785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:31:34, skipping insertion in model container [2024-10-24 15:31:34,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:33" (2/3) ... [2024-10-24 15:31:34,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@703a785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:31:34, skipping insertion in model container [2024-10-24 15:31:34,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:31:34" (3/3) ... [2024-10-24 15:31:34,333 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-subst.wvr.c [2024-10-24 15:31:34,349 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:31:34,350 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2024-10-24 15:31:34,351 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:31:34,460 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-24 15:31:34,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 185 places, 181 transitions, 383 flow [2024-10-24 15:31:34,567 INFO L124 PetriNetUnfolderBase]: 6/178 cut-off events. [2024-10-24 15:31:34,569 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-24 15:31:34,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 178 events. 6/178 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 250 event pairs, 0 based on Foata normal form. 0/152 useless extension candidates. Maximal degree in co-relation 109. Up to 2 conditions per place. [2024-10-24 15:31:34,579 INFO L82 GeneralOperation]: Start removeDead. Operand has 185 places, 181 transitions, 383 flow [2024-10-24 15:31:34,584 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 164 places, 158 transitions, 334 flow [2024-10-24 15:31:34,594 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:31:34,602 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;@798ed3d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:31:34,603 INFO L334 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2024-10-24 15:31:34,613 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:31:34,617 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-10-24 15:31:34,617 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:31:34,617 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:34,618 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] [2024-10-24 15:31:34,619 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-24 15:31:34,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:34,624 INFO L85 PathProgramCache]: Analyzing trace with hash -216439581, now seen corresponding path program 1 times [2024-10-24 15:31:34,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:34,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121778135] [2024-10-24 15:31:34,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:34,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:34,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:34,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:34,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121778135] [2024-10-24 15:31:34,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121778135] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:34,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:34,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:34,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985088525] [2024-10-24 15:31:34,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:34,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:34,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:34,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:34,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:34,913 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 181 [2024-10-24 15:31:34,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 158 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:34,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:34,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 181 [2024-10-24 15:31:34,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:35,033 INFO L124 PetriNetUnfolderBase]: 16/295 cut-off events. [2024-10-24 15:31:35,033 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-10-24 15:31:35,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 295 events. 16/295 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 979 event pairs, 7 based on Foata normal form. 1/239 useless extension candidates. Maximal degree in co-relation 226. Up to 25 conditions per place. [2024-10-24 15:31:35,040 INFO L140 encePairwiseOnDemand]: 177/181 looper letters, 11 selfloop transitions, 2 changer transitions 1/156 dead transitions. [2024-10-24 15:31:35,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 156 transitions, 356 flow [2024-10-24 15:31:35,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:35,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:35,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 504 transitions. [2024-10-24 15:31:35,057 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9281767955801105 [2024-10-24 15:31:35,060 INFO L175 Difference]: Start difference. First operand has 164 places, 158 transitions, 334 flow. Second operand 3 states and 504 transitions. [2024-10-24 15:31:35,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 156 transitions, 356 flow [2024-10-24 15:31:35,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 156 transitions, 344 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-24 15:31:35,070 INFO L231 Difference]: Finished difference. Result has 159 places, 155 transitions, 320 flow [2024-10-24 15:31:35,073 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=320, PETRI_PLACES=159, PETRI_TRANSITIONS=155} [2024-10-24 15:31:35,077 INFO L277 CegarLoopForPetriNet]: 164 programPoint places, -5 predicate places. [2024-10-24 15:31:35,077 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 155 transitions, 320 flow [2024-10-24 15:31:35,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:35,078 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:35,078 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] [2024-10-24 15:31:35,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:31:35,079 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-24 15:31:35,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:35,081 INFO L85 PathProgramCache]: Analyzing trace with hash 724321985, now seen corresponding path program 1 times [2024-10-24 15:31:35,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:35,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755438299] [2024-10-24 15:31:35,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:35,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:35,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:35,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:35,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755438299] [2024-10-24 15:31:35,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755438299] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:35,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:35,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:35,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322891276] [2024-10-24 15:31:35,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:35,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:35,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:35,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:35,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:35,244 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 181 [2024-10-24 15:31:35,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 155 transitions, 320 flow. Second operand has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:35,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:35,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 181 [2024-10-24 15:31:35,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:35,310 INFO L124 PetriNetUnfolderBase]: 14/221 cut-off events. [2024-10-24 15:31:35,311 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 15:31:35,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 263 conditions, 221 events. 14/221 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 597 event pairs, 8 based on Foata normal form. 0/187 useless extension candidates. Maximal degree in co-relation 232. Up to 29 conditions per place. [2024-10-24 15:31:35,317 INFO L140 encePairwiseOnDemand]: 178/181 looper letters, 12 selfloop transitions, 2 changer transitions 0/154 dead transitions. [2024-10-24 15:31:35,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 154 transitions, 346 flow [2024-10-24 15:31:35,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:35,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:35,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 501 transitions. [2024-10-24 15:31:35,325 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9226519337016574 [2024-10-24 15:31:35,325 INFO L175 Difference]: Start difference. First operand has 159 places, 155 transitions, 320 flow. Second operand 3 states and 501 transitions. [2024-10-24 15:31:35,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 154 transitions, 346 flow [2024-10-24 15:31:35,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 154 transitions, 342 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:31:35,331 INFO L231 Difference]: Finished difference. Result has 157 places, 154 transitions, 318 flow [2024-10-24 15:31:35,332 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=157, PETRI_TRANSITIONS=154} [2024-10-24 15:31:35,333 INFO L277 CegarLoopForPetriNet]: 164 programPoint places, -7 predicate places. [2024-10-24 15:31:35,333 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 154 transitions, 318 flow [2024-10-24 15:31:35,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:35,334 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:35,335 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] [2024-10-24 15:31:35,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:31:35,336 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-24 15:31:35,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:35,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1190117104, now seen corresponding path program 1 times [2024-10-24 15:31:35,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:35,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701735211] [2024-10-24 15:31:35,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:35,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:35,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:35,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:35,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701735211] [2024-10-24 15:31:35,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701735211] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:35,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:35,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:35,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750258325] [2024-10-24 15:31:35,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:35,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:35,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:35,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:35,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:35,510 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 181 [2024-10-24 15:31:35,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 154 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:35,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:35,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 181 [2024-10-24 15:31:35,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:35,571 INFO L124 PetriNetUnfolderBase]: 27/257 cut-off events. [2024-10-24 15:31:35,572 INFO L125 PetriNetUnfolderBase]: For 10/14 co-relation queries the response was YES. [2024-10-24 15:31:35,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318 conditions, 257 events. 27/257 cut-off events. For 10/14 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 877 event pairs, 20 based on Foata normal form. 0/221 useless extension candidates. Maximal degree in co-relation 279. Up to 50 conditions per place. [2024-10-24 15:31:35,575 INFO L140 encePairwiseOnDemand]: 178/181 looper letters, 13 selfloop transitions, 2 changer transitions 0/153 dead transitions. [2024-10-24 15:31:35,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 153 transitions, 346 flow [2024-10-24 15:31:35,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:35,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 499 transitions. [2024-10-24 15:31:35,579 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9189686924493554 [2024-10-24 15:31:35,579 INFO L175 Difference]: Start difference. First operand has 157 places, 154 transitions, 318 flow. Second operand 3 states and 499 transitions. [2024-10-24 15:31:35,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 153 transitions, 346 flow [2024-10-24 15:31:35,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 153 transitions, 342 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:31:35,586 INFO L231 Difference]: Finished difference. Result has 156 places, 153 transitions, 316 flow [2024-10-24 15:31:35,587 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=156, PETRI_TRANSITIONS=153} [2024-10-24 15:31:35,588 INFO L277 CegarLoopForPetriNet]: 164 programPoint places, -8 predicate places. [2024-10-24 15:31:35,588 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 153 transitions, 316 flow [2024-10-24 15:31:35,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:35,588 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:35,589 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] [2024-10-24 15:31:35,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:31:35,589 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-24 15:31:35,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:35,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1272458205, now seen corresponding path program 1 times [2024-10-24 15:31:35,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:35,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394168792] [2024-10-24 15:31:35,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:35,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:35,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:35,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:35,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394168792] [2024-10-24 15:31:35,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394168792] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:35,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:35,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:35,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664053382] [2024-10-24 15:31:35,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:35,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:35,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:35,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:35,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:35,690 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 181 [2024-10-24 15:31:35,691 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 153 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:35,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:35,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 181 [2024-10-24 15:31:35,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:35,751 INFO L124 PetriNetUnfolderBase]: 34/414 cut-off events. [2024-10-24 15:31:35,751 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-24 15:31:35,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 414 events. 34/414 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1986 event pairs, 13 based on Foata normal form. 0/341 useless extension candidates. Maximal degree in co-relation 432. Up to 43 conditions per place. [2024-10-24 15:31:35,756 INFO L140 encePairwiseOnDemand]: 177/181 looper letters, 13 selfloop transitions, 2 changer transitions 0/155 dead transitions. [2024-10-24 15:31:35,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 155 transitions, 352 flow [2024-10-24 15:31:35,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:35,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:35,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 512 transitions. [2024-10-24 15:31:35,758 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9429097605893186 [2024-10-24 15:31:35,758 INFO L175 Difference]: Start difference. First operand has 156 places, 153 transitions, 316 flow. Second operand 3 states and 512 transitions. [2024-10-24 15:31:35,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 155 transitions, 352 flow [2024-10-24 15:31:35,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 155 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:31:35,762 INFO L231 Difference]: Finished difference. Result has 155 places, 153 transitions, 322 flow [2024-10-24 15:31:35,763 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=155, PETRI_TRANSITIONS=153} [2024-10-24 15:31:35,764 INFO L277 CegarLoopForPetriNet]: 164 programPoint places, -9 predicate places. [2024-10-24 15:31:35,765 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 153 transitions, 322 flow [2024-10-24 15:31:35,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:35,765 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:35,766 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] [2024-10-24 15:31:35,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:31:35,767 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-24 15:31:35,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:35,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1233357701, now seen corresponding path program 1 times [2024-10-24 15:31:35,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:35,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907060418] [2024-10-24 15:31:35,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:35,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:35,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:35,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:35,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907060418] [2024-10-24 15:31:35,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907060418] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:35,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:35,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:35,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547469947] [2024-10-24 15:31:35,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:35,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:35,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:35,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:35,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:35,855 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 181 [2024-10-24 15:31:35,856 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 153 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:35,856 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:35,856 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 181 [2024-10-24 15:31:35,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:35,934 INFO L124 PetriNetUnfolderBase]: 32/331 cut-off events. [2024-10-24 15:31:35,935 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-24 15:31:35,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 404 conditions, 331 events. 32/331 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1301 event pairs, 10 based on Foata normal form. 0/286 useless extension candidates. Maximal degree in co-relation 324. Up to 49 conditions per place. [2024-10-24 15:31:35,938 INFO L140 encePairwiseOnDemand]: 176/181 looper letters, 15 selfloop transitions, 2 changer transitions 0/154 dead transitions. [2024-10-24 15:31:35,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 154 transitions, 360 flow [2024-10-24 15:31:35,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:35,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:35,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 506 transitions. [2024-10-24 15:31:35,940 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9318600368324125 [2024-10-24 15:31:35,940 INFO L175 Difference]: Start difference. First operand has 155 places, 153 transitions, 322 flow. Second operand 3 states and 506 transitions. [2024-10-24 15:31:35,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 154 transitions, 360 flow [2024-10-24 15:31:35,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 154 transitions, 360 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:31:35,943 INFO L231 Difference]: Finished difference. Result has 155 places, 152 transitions, 330 flow [2024-10-24 15:31:35,944 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=155, PETRI_TRANSITIONS=152} [2024-10-24 15:31:35,946 INFO L277 CegarLoopForPetriNet]: 164 programPoint places, -9 predicate places. [2024-10-24 15:31:35,946 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 152 transitions, 330 flow [2024-10-24 15:31:35,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:35,946 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:35,947 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] [2024-10-24 15:31:35,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:31:35,947 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-24 15:31:35,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:35,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1149712630, now seen corresponding path program 1 times [2024-10-24 15:31:35,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:35,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058460901] [2024-10-24 15:31:35,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:35,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:36,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:36,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:36,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058460901] [2024-10-24 15:31:36,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058460901] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:36,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:36,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:36,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461962586] [2024-10-24 15:31:36,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:36,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:36,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:36,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:36,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:36,037 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 181 [2024-10-24 15:31:36,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 152 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:36,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:36,039 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 181 [2024-10-24 15:31:36,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:36,136 INFO L124 PetriNetUnfolderBase]: 131/680 cut-off events. [2024-10-24 15:31:36,137 INFO L125 PetriNetUnfolderBase]: For 31/36 co-relation queries the response was YES. [2024-10-24 15:31:36,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 914 conditions, 680 events. 131/680 cut-off events. For 31/36 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4166 event pairs, 52 based on Foata normal form. 1/606 useless extension candidates. Maximal degree in co-relation 669. Up to 202 conditions per place. [2024-10-24 15:31:36,144 INFO L140 encePairwiseOnDemand]: 175/181 looper letters, 17 selfloop transitions, 2 changer transitions 0/152 dead transitions. [2024-10-24 15:31:36,144 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 152 transitions, 370 flow [2024-10-24 15:31:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:36,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:36,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 500 transitions. [2024-10-24 15:31:36,146 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9208103130755064 [2024-10-24 15:31:36,146 INFO L175 Difference]: Start difference. First operand has 155 places, 152 transitions, 330 flow. Second operand 3 states and 500 transitions. [2024-10-24 15:31:36,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 152 transitions, 370 flow [2024-10-24 15:31:36,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 152 transitions, 370 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:31:36,149 INFO L231 Difference]: Finished difference. Result has 154 places, 150 transitions, 336 flow [2024-10-24 15:31:36,149 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=154, PETRI_TRANSITIONS=150} [2024-10-24 15:31:36,150 INFO L277 CegarLoopForPetriNet]: 164 programPoint places, -10 predicate places. [2024-10-24 15:31:36,150 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 150 transitions, 336 flow [2024-10-24 15:31:36,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:36,151 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:36,152 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] [2024-10-24 15:31:36,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:31:36,152 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-24 15:31:36,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:36,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1036086572, now seen corresponding path program 1 times [2024-10-24 15:31:36,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:36,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590823185] [2024-10-24 15:31:36,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:36,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:36,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:36,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:36,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590823185] [2024-10-24 15:31:36,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590823185] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:36,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:36,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:36,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907122597] [2024-10-24 15:31:36,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:36,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:36,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:36,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:36,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:36,235 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 181 [2024-10-24 15:31:36,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 150 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:36,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:36,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 181 [2024-10-24 15:31:36,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:36,281 INFO L124 PetriNetUnfolderBase]: 25/324 cut-off events. [2024-10-24 15:31:36,281 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:31:36,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 401 conditions, 324 events. 25/324 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1308 event pairs, 4 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 300. Up to 18 conditions per place. [2024-10-24 15:31:36,283 INFO L140 encePairwiseOnDemand]: 178/181 looper letters, 11 selfloop transitions, 2 changer transitions 0/151 dead transitions. [2024-10-24 15:31:36,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 151 transitions, 366 flow [2024-10-24 15:31:36,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:36,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:36,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 512 transitions. [2024-10-24 15:31:36,285 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9429097605893186 [2024-10-24 15:31:36,285 INFO L175 Difference]: Start difference. First operand has 154 places, 150 transitions, 336 flow. Second operand 3 states and 512 transitions. [2024-10-24 15:31:36,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 151 transitions, 366 flow [2024-10-24 15:31:36,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 151 transitions, 366 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:31:36,288 INFO L231 Difference]: Finished difference. Result has 155 places, 149 transitions, 338 flow [2024-10-24 15:31:36,289 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=155, PETRI_TRANSITIONS=149} [2024-10-24 15:31:36,290 INFO L277 CegarLoopForPetriNet]: 164 programPoint places, -9 predicate places. [2024-10-24 15:31:36,290 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 149 transitions, 338 flow [2024-10-24 15:31:36,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:36,291 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:36,291 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] [2024-10-24 15:31:36,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:31:36,291 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-24 15:31:36,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:36,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1472827793, now seen corresponding path program 1 times [2024-10-24 15:31:36,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:36,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610970379] [2024-10-24 15:31:36,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:36,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:36,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:36,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610970379] [2024-10-24 15:31:36,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610970379] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:36,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:36,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:36,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826786144] [2024-10-24 15:31:36,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:36,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:36,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:36,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:36,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:36,362 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 181 [2024-10-24 15:31:36,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 149 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:36,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:36,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 181 [2024-10-24 15:31:36,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:36,428 INFO L124 PetriNetUnfolderBase]: 29/332 cut-off events. [2024-10-24 15:31:36,429 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-10-24 15:31:36,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 332 events. 29/332 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1405 event pairs, 6 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 363. Up to 25 conditions per place. [2024-10-24 15:31:36,431 INFO L140 encePairwiseOnDemand]: 178/181 looper letters, 12 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2024-10-24 15:31:36,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 150 transitions, 370 flow [2024-10-24 15:31:36,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:36,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:36,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 510 transitions. [2024-10-24 15:31:36,433 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9392265193370166 [2024-10-24 15:31:36,433 INFO L175 Difference]: Start difference. First operand has 155 places, 149 transitions, 338 flow. Second operand 3 states and 510 transitions. [2024-10-24 15:31:36,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 150 transitions, 370 flow [2024-10-24 15:31:36,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 150 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:31:36,436 INFO L231 Difference]: Finished difference. Result has 154 places, 148 transitions, 336 flow [2024-10-24 15:31:36,437 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=154, PETRI_TRANSITIONS=148} [2024-10-24 15:31:36,439 INFO L277 CegarLoopForPetriNet]: 164 programPoint places, -10 predicate places. [2024-10-24 15:31:36,440 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 148 transitions, 336 flow [2024-10-24 15:31:36,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:36,441 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:36,441 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] [2024-10-24 15:31:36,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:31:36,441 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-24 15:31:36,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:36,442 INFO L85 PathProgramCache]: Analyzing trace with hash 949873319, now seen corresponding path program 1 times [2024-10-24 15:31:36,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:36,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838709264] [2024-10-24 15:31:36,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:36,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:36,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:36,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:36,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838709264] [2024-10-24 15:31:36,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838709264] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:36,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:36,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:36,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161660196] [2024-10-24 15:31:36,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:36,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:36,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:36,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:36,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:36,539 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 181 [2024-10-24 15:31:36,540 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 148 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:36,540 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:36,541 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 181 [2024-10-24 15:31:36,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:36,588 INFO L124 PetriNetUnfolderBase]: 25/261 cut-off events. [2024-10-24 15:31:36,589 INFO L125 PetriNetUnfolderBase]: For 12/14 co-relation queries the response was YES. [2024-10-24 15:31:36,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 261 events. 25/261 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 838 event pairs, 6 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 285. Up to 31 conditions per place. [2024-10-24 15:31:36,591 INFO L140 encePairwiseOnDemand]: 178/181 looper letters, 12 selfloop transitions, 2 changer transitions 0/149 dead transitions. [2024-10-24 15:31:36,591 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 149 transitions, 368 flow [2024-10-24 15:31:36,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:36,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:36,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 510 transitions. [2024-10-24 15:31:36,593 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9392265193370166 [2024-10-24 15:31:36,593 INFO L175 Difference]: Start difference. First operand has 154 places, 148 transitions, 336 flow. Second operand 3 states and 510 transitions. [2024-10-24 15:31:36,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 149 transitions, 368 flow [2024-10-24 15:31:36,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 149 transitions, 364 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:31:36,597 INFO L231 Difference]: Finished difference. Result has 153 places, 147 transitions, 334 flow [2024-10-24 15:31:36,597 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=153, PETRI_TRANSITIONS=147} [2024-10-24 15:31:36,599 INFO L277 CegarLoopForPetriNet]: 164 programPoint places, -11 predicate places. [2024-10-24 15:31:36,599 INFO L471 AbstractCegarLoop]: Abstraction has has 153 places, 147 transitions, 334 flow [2024-10-24 15:31:36,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:36,600 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:36,600 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] [2024-10-24 15:31:36,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:31:36,600 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-24 15:31:36,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:36,601 INFO L85 PathProgramCache]: Analyzing trace with hash 240927430, now seen corresponding path program 1 times [2024-10-24 15:31:36,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:36,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918041545] [2024-10-24 15:31:36,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:36,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:36,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:36,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:36,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918041545] [2024-10-24 15:31:36,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918041545] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:36,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:36,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:36,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301034177] [2024-10-24 15:31:36,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:36,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:36,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:36,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:36,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:36,708 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 181 [2024-10-24 15:31:36,709 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 147 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:36,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:36,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 181 [2024-10-24 15:31:36,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:36,748 INFO L124 PetriNetUnfolderBase]: 19/295 cut-off events. [2024-10-24 15:31:36,749 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-24 15:31:36,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 367 conditions, 295 events. 19/295 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1048 event pairs, 2 based on Foata normal form. 0/278 useless extension candidates. Maximal degree in co-relation 280. Up to 14 conditions per place. [2024-10-24 15:31:36,751 INFO L140 encePairwiseOnDemand]: 179/181 looper letters, 8 selfloop transitions, 1 changer transitions 0/146 dead transitions. [2024-10-24 15:31:36,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 146 transitions, 350 flow [2024-10-24 15:31:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:36,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:36,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 514 transitions. [2024-10-24 15:31:36,753 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9465930018416207 [2024-10-24 15:31:36,753 INFO L175 Difference]: Start difference. First operand has 153 places, 147 transitions, 334 flow. Second operand 3 states and 514 transitions. [2024-10-24 15:31:36,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 146 transitions, 350 flow [2024-10-24 15:31:36,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 146 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:31:36,757 INFO L231 Difference]: Finished difference. Result has 152 places, 146 transitions, 330 flow [2024-10-24 15:31:36,757 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=152, PETRI_TRANSITIONS=146} [2024-10-24 15:31:36,758 INFO L277 CegarLoopForPetriNet]: 164 programPoint places, -12 predicate places. [2024-10-24 15:31:36,758 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 146 transitions, 330 flow [2024-10-24 15:31:36,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:36,759 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:36,759 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] [2024-10-24 15:31:36,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 15:31:36,760 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-24 15:31:36,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:36,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1674559677, now seen corresponding path program 1 times [2024-10-24 15:31:36,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:36,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137335127] [2024-10-24 15:31:36,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:36,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:36,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:36,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:36,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137335127] [2024-10-24 15:31:36,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137335127] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:36,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:36,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:36,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424958188] [2024-10-24 15:31:36,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:36,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:36,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:36,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:36,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:36,852 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 181 [2024-10-24 15:31:36,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 146 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:36,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:36,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 181 [2024-10-24 15:31:36,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:36,891 INFO L124 PetriNetUnfolderBase]: 20/294 cut-off events. [2024-10-24 15:31:36,892 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-24 15:31:36,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 294 events. 20/294 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1052 event pairs, 3 based on Foata normal form. 0/278 useless extension candidates. Maximal degree in co-relation 329. Up to 16 conditions per place. [2024-10-24 15:31:36,894 INFO L140 encePairwiseOnDemand]: 178/181 looper letters, 10 selfloop transitions, 1 changer transitions 0/144 dead transitions. [2024-10-24 15:31:36,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 144 transitions, 348 flow [2024-10-24 15:31:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:36,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:36,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 508 transitions. [2024-10-24 15:31:36,896 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9355432780847146 [2024-10-24 15:31:36,896 INFO L175 Difference]: Start difference. First operand has 152 places, 146 transitions, 330 flow. Second operand 3 states and 508 transitions. [2024-10-24 15:31:36,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 144 transitions, 348 flow [2024-10-24 15:31:36,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 144 transitions, 347 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:31:36,899 INFO L231 Difference]: Finished difference. Result has 151 places, 144 transitions, 327 flow [2024-10-24 15:31:36,899 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=327, PETRI_PLACES=151, PETRI_TRANSITIONS=144} [2024-10-24 15:31:36,900 INFO L277 CegarLoopForPetriNet]: 164 programPoint places, -13 predicate places. [2024-10-24 15:31:36,900 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 144 transitions, 327 flow [2024-10-24 15:31:36,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:36,901 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:36,901 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] [2024-10-24 15:31:36,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 15:31:36,902 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-24 15:31:36,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:36,903 INFO L85 PathProgramCache]: Analyzing trace with hash -636424360, now seen corresponding path program 1 times [2024-10-24 15:31:36,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:36,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934048613] [2024-10-24 15:31:36,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:36,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:36,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:36,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:36,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934048613] [2024-10-24 15:31:36,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934048613] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:36,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:36,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:36,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515109260] [2024-10-24 15:31:36,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:36,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:36,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:36,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:36,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:36,972 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 181 [2024-10-24 15:31:36,973 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 144 transitions, 327 flow. Second operand has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:36,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:36,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 181 [2024-10-24 15:31:36,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:37,015 INFO L124 PetriNetUnfolderBase]: 16/231 cut-off events. [2024-10-24 15:31:37,016 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2024-10-24 15:31:37,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 231 events. 16/231 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 670 event pairs, 3 based on Foata normal form. 1/221 useless extension candidates. Maximal degree in co-relation 269. Up to 18 conditions per place. [2024-10-24 15:31:37,018 INFO L140 encePairwiseOnDemand]: 178/181 looper letters, 0 selfloop transitions, 0 changer transitions 142/142 dead transitions. [2024-10-24 15:31:37,018 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 142 transitions, 343 flow [2024-10-24 15:31:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:37,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:37,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 507 transitions. [2024-10-24 15:31:37,020 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9337016574585635 [2024-10-24 15:31:37,020 INFO L175 Difference]: Start difference. First operand has 151 places, 144 transitions, 327 flow. Second operand 3 states and 507 transitions. [2024-10-24 15:31:37,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 142 transitions, 343 flow [2024-10-24 15:31:37,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 142 transitions, 342 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:31:37,023 INFO L231 Difference]: Finished difference. Result has 150 places, 0 transitions, 0 flow [2024-10-24 15:31:37,023 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=150, PETRI_TRANSITIONS=0} [2024-10-24 15:31:37,024 INFO L277 CegarLoopForPetriNet]: 164 programPoint places, -14 predicate places. [2024-10-24 15:31:37,024 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 0 transitions, 0 flow [2024-10-24 15:31:37,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:31:37,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (34 of 35 remaining) [2024-10-24 15:31:37,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (33 of 35 remaining) [2024-10-24 15:31:37,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (32 of 35 remaining) [2024-10-24 15:31:37,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (31 of 35 remaining) [2024-10-24 15:31:37,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (30 of 35 remaining) [2024-10-24 15:31:37,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (29 of 35 remaining) [2024-10-24 15:31:37,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (28 of 35 remaining) [2024-10-24 15:31:37,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (27 of 35 remaining) [2024-10-24 15:31:37,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (26 of 35 remaining) [2024-10-24 15:31:37,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (25 of 35 remaining) [2024-10-24 15:31:37,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (24 of 35 remaining) [2024-10-24 15:31:37,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (23 of 35 remaining) [2024-10-24 15:31:37,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (22 of 35 remaining) [2024-10-24 15:31:37,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 35 remaining) [2024-10-24 15:31:37,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 35 remaining) [2024-10-24 15:31:37,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 35 remaining) [2024-10-24 15:31:37,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (18 of 35 remaining) [2024-10-24 15:31:37,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (17 of 35 remaining) [2024-10-24 15:31:37,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 35 remaining) [2024-10-24 15:31:37,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (15 of 35 remaining) [2024-10-24 15:31:37,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 35 remaining) [2024-10-24 15:31:37,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 35 remaining) [2024-10-24 15:31:37,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 35 remaining) [2024-10-24 15:31:37,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 35 remaining) [2024-10-24 15:31:37,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 35 remaining) [2024-10-24 15:31:37,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 35 remaining) [2024-10-24 15:31:37,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 35 remaining) [2024-10-24 15:31:37,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 35 remaining) [2024-10-24 15:31:37,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 35 remaining) [2024-10-24 15:31:37,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 35 remaining) [2024-10-24 15:31:37,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 35 remaining) [2024-10-24 15:31:37,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (3 of 35 remaining) [2024-10-24 15:31:37,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (2 of 35 remaining) [2024-10-24 15:31:37,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (1 of 35 remaining) [2024-10-24 15:31:37,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (0 of 35 remaining) [2024-10-24 15:31:37,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 15:31:37,037 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:31:37,043 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:31:37,044 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:31:37,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:31:37 BasicIcfg [2024-10-24 15:31:37,051 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:31:37,052 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:31:37,052 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:31:37,052 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:31:37,052 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:31:34" (3/4) ... [2024-10-24 15:31:37,054 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:31:37,058 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-24 15:31:37,058 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-24 15:31:37,058 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-24 15:31:37,063 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-24 15:31:37,063 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 15:31:37,063 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:31:37,064 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:31:37,149 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:31:37,149 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:31:37,149 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:31:37,150 INFO L158 Benchmark]: Toolchain (without parser) took 3734.84ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 96.0MB in the beginning and 155.2MB in the end (delta: -59.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:31:37,150 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:31:37,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.02ms. Allocated memory is still 167.8MB. Free memory was 95.7MB in the beginning and 82.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 15:31:37,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.56ms. Allocated memory is still 167.8MB. Free memory was 82.6MB in the beginning and 81.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:31:37,151 INFO L158 Benchmark]: Boogie Preprocessor took 46.11ms. Allocated memory is still 167.8MB. Free memory was 80.8MB in the beginning and 138.4MB in the end (delta: -57.5MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-10-24 15:31:37,151 INFO L158 Benchmark]: RCFGBuilder took 552.97ms. Allocated memory is still 167.8MB. Free memory was 138.3MB in the beginning and 125.9MB in the end (delta: 12.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-10-24 15:31:37,151 INFO L158 Benchmark]: TraceAbstraction took 2725.32ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 124.9MB in the beginning and 160.4MB in the end (delta: -35.5MB). Peak memory consumption was 109.3MB. Max. memory is 16.1GB. [2024-10-24 15:31:37,151 INFO L158 Benchmark]: Witness Printer took 97.67ms. Allocated memory is still 205.5MB. Free memory was 160.4MB in the beginning and 155.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:31:37,153 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.02ms. Allocated memory is still 167.8MB. Free memory was 95.7MB in the beginning and 82.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.56ms. Allocated memory is still 167.8MB. Free memory was 82.6MB in the beginning and 81.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.11ms. Allocated memory is still 167.8MB. Free memory was 80.8MB in the beginning and 138.4MB in the end (delta: -57.5MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * RCFGBuilder took 552.97ms. Allocated memory is still 167.8MB. Free memory was 138.3MB in the beginning and 125.9MB in the end (delta: 12.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2725.32ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 124.9MB in the beginning and 160.4MB in the end (delta: -35.5MB). Peak memory consumption was 109.3MB. Max. memory is 16.1GB. * Witness Printer took 97.67ms. Allocated memory is still 205.5MB. Free memory was 160.4MB in the beginning and 155.2MB 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: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: 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: 76]: 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: 76]: 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, 248 locations, 35 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: 2.5s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 235 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 316 IncrementalHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 56 mSDtfsCounter, 316 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=338occurred in iteration=7, InterpolantAutomatonStates: 36, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 778 NumberOfCodeBlocks, 778 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 766 ConstructedInterpolants, 0 QuantifiedInterpolants, 790 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:31:37,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE