./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/unroll-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/unroll-2.wvr.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 8c7125507f231f46c946ebcd57e8b56859ee58b969eed99ccdbcf88141d9e219 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:17:47,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:17:47,589 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:17:47,596 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:17:47,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:17:47,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:17:47,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:17:47,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:17:47,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:17:47,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:17:47,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:17:47,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:17:47,647 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:17:47,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:17:47,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:17:47,647 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:17:47,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:17:47,648 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:17:47,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:17:47,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:17:47,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:17:47,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:17:47,651 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:17:47,652 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:17:47,652 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:17:47,652 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:17:47,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:17:47,656 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:17:47,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:17:47,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:17:47,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:17:47,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:17:47,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:17:47,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:17:47,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:17:47,658 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:17:47,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:17:47,661 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:17:47,661 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:17:47,661 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:17:47,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:17:47,662 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c7125507f231f46c946ebcd57e8b56859ee58b969eed99ccdbcf88141d9e219 [2024-10-11 17:17:48,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:17:48,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:17:48,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:17:48,046 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:17:48,047 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:17:48,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/unroll-2.wvr.c [2024-10-11 17:17:49,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:17:49,812 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:17:49,813 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/unroll-2.wvr.c [2024-10-11 17:17:49,819 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/34a10945d/19e2fb67db6049dabb96810b243c36f5/FLAG4d56b9c16 [2024-10-11 17:17:49,830 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/34a10945d/19e2fb67db6049dabb96810b243c36f5 [2024-10-11 17:17:49,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:17:49,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:17:49,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:17:49,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:17:49,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:17:49,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:17:49" (1/1) ... [2024-10-11 17:17:49,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@394fe1fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:49, skipping insertion in model container [2024-10-11 17:17:49,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:17:49" (1/1) ... [2024-10-11 17:17:49,865 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:17:50,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:17:50,054 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:17:50,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:17:50,087 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:17:50,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:50 WrapperNode [2024-10-11 17:17:50,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:17:50,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:17:50,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:17:50,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:17:50,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:50" (1/1) ... [2024-10-11 17:17:50,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:50" (1/1) ... [2024-10-11 17:17:50,144 INFO L138 Inliner]: procedures = 23, calls = 23, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 231 [2024-10-11 17:17:50,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:17:50,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:17:50,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:17:50,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:17:50,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:50" (1/1) ... [2024-10-11 17:17:50,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:50" (1/1) ... [2024-10-11 17:17:50,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:50" (1/1) ... [2024-10-11 17:17:50,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:50" (1/1) ... [2024-10-11 17:17:50,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:50" (1/1) ... [2024-10-11 17:17:50,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:50" (1/1) ... [2024-10-11 17:17:50,205 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:50" (1/1) ... [2024-10-11 17:17:50,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:50" (1/1) ... [2024-10-11 17:17:50,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:17:50,209 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:17:50,210 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:17:50,210 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:17:50,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:50" (1/1) ... [2024-10-11 17:17:50,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:17:50,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:17:50,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:17:50,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:17:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:17:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-11 17:17:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-11 17:17:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-11 17:17:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-11 17:17:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:17:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-11 17:17:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 17:17:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:17:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:17:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-11 17:17:50,287 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:17:50,375 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:17:50,377 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:17:50,700 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:17:50,700 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:17:50,717 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:17:50,717 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-11 17:17:50,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:17:50 BoogieIcfgContainer [2024-10-11 17:17:50,718 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:17:50,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:17:50,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:17:50,722 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:17:50,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:17:49" (1/3) ... [2024-10-11 17:17:50,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607bf4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:17:50, skipping insertion in model container [2024-10-11 17:17:50,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:50" (2/3) ... [2024-10-11 17:17:50,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607bf4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:17:50, skipping insertion in model container [2024-10-11 17:17:50,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:17:50" (3/3) ... [2024-10-11 17:17:50,725 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.c [2024-10-11 17:17:50,739 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:17:50,740 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2024-10-11 17:17:50,740 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:17:50,827 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-11 17:17:50,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 294 places, 304 transitions, 622 flow [2024-10-11 17:17:50,949 INFO L124 PetriNetUnfolderBase]: 17/302 cut-off events. [2024-10-11 17:17:50,950 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:17:50,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 311 conditions, 302 events. 17/302 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 454 event pairs, 0 based on Foata normal form. 0/253 useless extension candidates. Maximal degree in co-relation 177. Up to 2 conditions per place. [2024-10-11 17:17:50,958 INFO L82 GeneralOperation]: Start removeDead. Operand has 294 places, 304 transitions, 622 flow [2024-10-11 17:17:50,963 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 276 places, 285 transitions, 582 flow [2024-10-11 17:17:50,971 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:17:50,977 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;@6559cbc9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:17:50,977 INFO L334 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2024-10-11 17:17:50,981 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:17:50,981 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-10-11 17:17:50,981 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:17:50,982 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:50,982 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] [2024-10-11 17:17:50,983 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-10-11 17:17:50,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:50,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1175465184, now seen corresponding path program 1 times [2024-10-11 17:17:50,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:50,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940039873] [2024-10-11 17:17:50,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:50,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:51,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:51,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:51,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940039873] [2024-10-11 17:17:51,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940039873] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:51,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:51,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:51,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912602179] [2024-10-11 17:17:51,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:51,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:51,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:51,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:51,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:51,263 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 304 [2024-10-11 17:17:51,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 285 transitions, 582 flow. Second operand has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 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) [2024-10-11 17:17:51,301 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:51,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 304 [2024-10-11 17:17:51,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:51,400 INFO L124 PetriNetUnfolderBase]: 13/382 cut-off events. [2024-10-11 17:17:51,400 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-11 17:17:51,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 415 conditions, 382 events. 13/382 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 993 event pairs, 3 based on Foata normal form. 10/326 useless extension candidates. Maximal degree in co-relation 277. Up to 19 conditions per place. [2024-10-11 17:17:51,405 INFO L140 encePairwiseOnDemand]: 291/304 looper letters, 10 selfloop transitions, 2 changer transitions 4/274 dead transitions. [2024-10-11 17:17:51,405 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 274 transitions, 584 flow [2024-10-11 17:17:51,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:51,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:51,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 857 transitions. [2024-10-11 17:17:51,423 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9396929824561403 [2024-10-11 17:17:51,424 INFO L175 Difference]: Start difference. First operand has 276 places, 285 transitions, 582 flow. Second operand 3 states and 857 transitions. [2024-10-11 17:17:51,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 274 transitions, 584 flow [2024-10-11 17:17:51,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 274 transitions, 576 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-11 17:17:51,432 INFO L231 Difference]: Finished difference. Result has 273 places, 270 transitions, 548 flow [2024-10-11 17:17:51,434 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=548, PETRI_PLACES=273, PETRI_TRANSITIONS=270} [2024-10-11 17:17:51,437 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -3 predicate places. [2024-10-11 17:17:51,438 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 270 transitions, 548 flow [2024-10-11 17:17:51,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 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) [2024-10-11 17:17:51,439 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:51,440 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:17:51,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:17:51,440 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-10-11 17:17:51,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:51,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1971260403, now seen corresponding path program 1 times [2024-10-11 17:17:51,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:51,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101670694] [2024-10-11 17:17:51,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:51,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:51,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:51,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:51,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101670694] [2024-10-11 17:17:51,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101670694] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:51,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:51,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:51,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30291899] [2024-10-11 17:17:51,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:51,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:51,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:51,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:51,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:51,516 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 304 [2024-10-11 17:17:51,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 270 transitions, 548 flow. Second operand has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2024-10-11 17:17:51,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:51,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 304 [2024-10-11 17:17:51,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:51,558 INFO L124 PetriNetUnfolderBase]: 14/376 cut-off events. [2024-10-11 17:17:51,558 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-11 17:17:51,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 408 conditions, 376 events. 14/376 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 893 event pairs, 5 based on Foata normal form. 0/315 useless extension candidates. Maximal degree in co-relation 380. Up to 23 conditions per place. [2024-10-11 17:17:51,560 INFO L140 encePairwiseOnDemand]: 301/304 looper letters, 12 selfloop transitions, 2 changer transitions 0/269 dead transitions. [2024-10-11 17:17:51,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 269 transitions, 574 flow [2024-10-11 17:17:51,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:51,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:51,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 843 transitions. [2024-10-11 17:17:51,562 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9243421052631579 [2024-10-11 17:17:51,563 INFO L175 Difference]: Start difference. First operand has 273 places, 270 transitions, 548 flow. Second operand 3 states and 843 transitions. [2024-10-11 17:17:51,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 269 transitions, 574 flow [2024-10-11 17:17:51,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 269 transitions, 570 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:17:51,567 INFO L231 Difference]: Finished difference. Result has 268 places, 269 transitions, 546 flow [2024-10-11 17:17:51,567 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=546, PETRI_PLACES=268, PETRI_TRANSITIONS=269} [2024-10-11 17:17:51,568 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -8 predicate places. [2024-10-11 17:17:51,568 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 269 transitions, 546 flow [2024-10-11 17:17:51,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2024-10-11 17:17:51,569 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:51,569 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] [2024-10-11 17:17:51,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:17:51,569 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-10-11 17:17:51,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:51,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1163350866, now seen corresponding path program 1 times [2024-10-11 17:17:51,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:51,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802429084] [2024-10-11 17:17:51,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:51,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:51,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:51,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:51,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802429084] [2024-10-11 17:17:51,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802429084] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:51,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:51,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:51,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313704503] [2024-10-11 17:17:51,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:51,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:51,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:51,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:51,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:51,638 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 304 [2024-10-11 17:17:51,639 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 269 transitions, 546 flow. Second operand has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 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) [2024-10-11 17:17:51,640 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:51,640 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 304 [2024-10-11 17:17:51,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:51,751 INFO L124 PetriNetUnfolderBase]: 45/722 cut-off events. [2024-10-11 17:17:51,752 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-10-11 17:17:51,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 789 conditions, 722 events. 45/722 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2843 event pairs, 14 based on Foata normal form. 0/596 useless extension candidates. Maximal degree in co-relation 753. Up to 57 conditions per place. [2024-10-11 17:17:51,756 INFO L140 encePairwiseOnDemand]: 298/304 looper letters, 14 selfloop transitions, 1 changer transitions 0/264 dead transitions. [2024-10-11 17:17:51,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 264 transitions, 566 flow [2024-10-11 17:17:51,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:51,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:51,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 836 transitions. [2024-10-11 17:17:51,758 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2024-10-11 17:17:51,758 INFO L175 Difference]: Start difference. First operand has 268 places, 269 transitions, 546 flow. Second operand 3 states and 836 transitions. [2024-10-11 17:17:51,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 264 transitions, 566 flow [2024-10-11 17:17:51,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 264 transitions, 562 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:17:51,762 INFO L231 Difference]: Finished difference. Result has 263 places, 264 transitions, 534 flow [2024-10-11 17:17:51,762 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=263, PETRI_TRANSITIONS=264} [2024-10-11 17:17:51,763 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -13 predicate places. [2024-10-11 17:17:51,763 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 264 transitions, 534 flow [2024-10-11 17:17:51,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 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) [2024-10-11 17:17:51,764 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:51,764 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] [2024-10-11 17:17:51,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:17:51,765 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-10-11 17:17:51,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:51,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1276992662, now seen corresponding path program 1 times [2024-10-11 17:17:51,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:51,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925731582] [2024-10-11 17:17:51,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:51,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:51,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:51,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:51,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925731582] [2024-10-11 17:17:51,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925731582] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:51,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:51,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:51,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631941186] [2024-10-11 17:17:51,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:51,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:51,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:51,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:51,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:51,873 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 304 [2024-10-11 17:17:51,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 264 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 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) [2024-10-11 17:17:51,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:51,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 304 [2024-10-11 17:17:51,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:51,909 INFO L124 PetriNetUnfolderBase]: 14/368 cut-off events. [2024-10-11 17:17:51,910 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-11 17:17:51,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 368 events. 14/368 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 860 event pairs, 5 based on Foata normal form. 0/315 useless extension candidates. Maximal degree in co-relation 361. Up to 21 conditions per place. [2024-10-11 17:17:51,911 INFO L140 encePairwiseOnDemand]: 301/304 looper letters, 10 selfloop transitions, 2 changer transitions 0/263 dead transitions. [2024-10-11 17:17:51,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 263 transitions, 556 flow [2024-10-11 17:17:51,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:51,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:51,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 847 transitions. [2024-10-11 17:17:51,913 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9287280701754386 [2024-10-11 17:17:51,913 INFO L175 Difference]: Start difference. First operand has 263 places, 264 transitions, 534 flow. Second operand 3 states and 847 transitions. [2024-10-11 17:17:51,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 263 transitions, 556 flow [2024-10-11 17:17:51,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 263 transitions, 555 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:17:51,917 INFO L231 Difference]: Finished difference. Result has 263 places, 263 transitions, 535 flow [2024-10-11 17:17:51,918 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=531, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=535, PETRI_PLACES=263, PETRI_TRANSITIONS=263} [2024-10-11 17:17:51,919 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -13 predicate places. [2024-10-11 17:17:51,919 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 263 transitions, 535 flow [2024-10-11 17:17:51,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 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) [2024-10-11 17:17:51,920 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:51,920 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] [2024-10-11 17:17:51,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:17:51,921 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-10-11 17:17:51,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:51,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1498557313, now seen corresponding path program 1 times [2024-10-11 17:17:51,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:51,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137289050] [2024-10-11 17:17:51,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:51,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:52,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:52,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:52,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137289050] [2024-10-11 17:17:52,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137289050] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:52,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:52,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:17:52,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131919113] [2024-10-11 17:17:52,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:52,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:17:52,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:52,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:17:52,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:17:52,510 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 304 [2024-10-11 17:17:52,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 263 transitions, 535 flow. Second operand has 6 states, 6 states have (on average 263.5) internal successors, (1581), 6 states have internal predecessors, (1581), 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) [2024-10-11 17:17:52,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:52,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 304 [2024-10-11 17:17:52,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:52,626 INFO L124 PetriNetUnfolderBase]: 86/894 cut-off events. [2024-10-11 17:17:52,626 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-10-11 17:17:52,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1046 conditions, 894 events. 86/894 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4038 event pairs, 44 based on Foata normal form. 0/742 useless extension candidates. Maximal degree in co-relation 1011. Up to 136 conditions per place. [2024-10-11 17:17:52,631 INFO L140 encePairwiseOnDemand]: 298/304 looper letters, 24 selfloop transitions, 5 changer transitions 0/262 dead transitions. [2024-10-11 17:17:52,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 262 transitions, 591 flow [2024-10-11 17:17:52,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:17:52,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:17:52,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1602 transitions. [2024-10-11 17:17:52,634 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8782894736842105 [2024-10-11 17:17:52,634 INFO L175 Difference]: Start difference. First operand has 263 places, 263 transitions, 535 flow. Second operand 6 states and 1602 transitions. [2024-10-11 17:17:52,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 262 transitions, 591 flow [2024-10-11 17:17:52,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 262 transitions, 587 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:17:52,638 INFO L231 Difference]: Finished difference. Result has 265 places, 262 transitions, 539 flow [2024-10-11 17:17:52,638 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=529, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=539, PETRI_PLACES=265, PETRI_TRANSITIONS=262} [2024-10-11 17:17:52,639 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -11 predicate places. [2024-10-11 17:17:52,640 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 262 transitions, 539 flow [2024-10-11 17:17:52,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 263.5) internal successors, (1581), 6 states have internal predecessors, (1581), 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) [2024-10-11 17:17:52,641 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:52,641 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] [2024-10-11 17:17:52,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:17:52,642 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-10-11 17:17:52,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:52,642 INFO L85 PathProgramCache]: Analyzing trace with hash 255733161, now seen corresponding path program 1 times [2024-10-11 17:17:52,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:52,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539735380] [2024-10-11 17:17:52,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:52,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:52,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:52,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:52,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539735380] [2024-10-11 17:17:52,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539735380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:52,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:52,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:52,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706612031] [2024-10-11 17:17:52,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:52,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:52,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:52,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:52,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:52,687 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 304 [2024-10-11 17:17:52,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 262 transitions, 539 flow. Second operand has 3 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 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) [2024-10-11 17:17:52,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:52,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 304 [2024-10-11 17:17:52,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:52,754 INFO L124 PetriNetUnfolderBase]: 28/645 cut-off events. [2024-10-11 17:17:52,755 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-11 17:17:52,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 691 conditions, 645 events. 28/645 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2621 event pairs, 8 based on Foata normal form. 0/544 useless extension candidates. Maximal degree in co-relation 673. Up to 32 conditions per place. [2024-10-11 17:17:52,757 INFO L140 encePairwiseOnDemand]: 300/304 looper letters, 10 selfloop transitions, 1 changer transitions 0/259 dead transitions. [2024-10-11 17:17:52,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 259 transitions, 555 flow [2024-10-11 17:17:52,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:52,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:52,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 848 transitions. [2024-10-11 17:17:52,760 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9298245614035088 [2024-10-11 17:17:52,760 INFO L175 Difference]: Start difference. First operand has 265 places, 262 transitions, 539 flow. Second operand 3 states and 848 transitions. [2024-10-11 17:17:52,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 259 transitions, 555 flow [2024-10-11 17:17:52,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 259 transitions, 545 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:17:52,764 INFO L231 Difference]: Finished difference. Result has 259 places, 259 transitions, 525 flow [2024-10-11 17:17:52,765 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=525, PETRI_PLACES=259, PETRI_TRANSITIONS=259} [2024-10-11 17:17:52,766 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -17 predicate places. [2024-10-11 17:17:52,766 INFO L471 AbstractCegarLoop]: Abstraction has has 259 places, 259 transitions, 525 flow [2024-10-11 17:17:52,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 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) [2024-10-11 17:17:52,767 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:52,767 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] [2024-10-11 17:17:52,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 17:17:52,768 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-10-11 17:17:52,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:52,768 INFO L85 PathProgramCache]: Analyzing trace with hash -287405027, now seen corresponding path program 1 times [2024-10-11 17:17:52,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:52,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911916908] [2024-10-11 17:17:52,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:52,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:52,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:52,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:52,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911916908] [2024-10-11 17:17:52,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911916908] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:52,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:52,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:52,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153162721] [2024-10-11 17:17:52,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:52,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:52,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:52,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:52,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:52,832 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 304 [2024-10-11 17:17:52,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 259 transitions, 525 flow. Second operand has 3 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 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) [2024-10-11 17:17:52,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:52,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 304 [2024-10-11 17:17:52,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:52,882 INFO L124 PetriNetUnfolderBase]: 17/391 cut-off events. [2024-10-11 17:17:52,883 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:17:52,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 432 conditions, 391 events. 17/391 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 793 event pairs, 1 based on Foata normal form. 0/346 useless extension candidates. Maximal degree in co-relation 397. Up to 20 conditions per place. [2024-10-11 17:17:52,885 INFO L140 encePairwiseOnDemand]: 297/304 looper letters, 11 selfloop transitions, 3 changer transitions 0/256 dead transitions. [2024-10-11 17:17:52,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 256 transitions, 548 flow [2024-10-11 17:17:52,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:52,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:52,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 843 transitions. [2024-10-11 17:17:52,887 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9243421052631579 [2024-10-11 17:17:52,887 INFO L175 Difference]: Start difference. First operand has 259 places, 259 transitions, 525 flow. Second operand 3 states and 843 transitions. [2024-10-11 17:17:52,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 256 transitions, 548 flow [2024-10-11 17:17:52,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 256 transitions, 547 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:17:52,891 INFO L231 Difference]: Finished difference. Result has 256 places, 255 transitions, 522 flow [2024-10-11 17:17:52,891 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=516, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=522, PETRI_PLACES=256, PETRI_TRANSITIONS=255} [2024-10-11 17:17:52,893 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -20 predicate places. [2024-10-11 17:17:52,893 INFO L471 AbstractCegarLoop]: Abstraction has has 256 places, 255 transitions, 522 flow [2024-10-11 17:17:52,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 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) [2024-10-11 17:17:52,894 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:52,894 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] [2024-10-11 17:17:52,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 17:17:52,894 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-10-11 17:17:52,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:52,895 INFO L85 PathProgramCache]: Analyzing trace with hash -289098196, now seen corresponding path program 1 times [2024-10-11 17:17:52,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:52,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743143698] [2024-10-11 17:17:52,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:52,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:52,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:52,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:52,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743143698] [2024-10-11 17:17:52,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743143698] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:52,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:52,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:52,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826414467] [2024-10-11 17:17:52,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:52,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:52,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:52,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:52,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:52,960 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 304 [2024-10-11 17:17:52,961 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 255 transitions, 522 flow. Second operand has 3 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 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) [2024-10-11 17:17:52,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:52,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 304 [2024-10-11 17:17:52,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:52,991 INFO L124 PetriNetUnfolderBase]: 22/328 cut-off events. [2024-10-11 17:17:52,991 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-10-11 17:17:52,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 385 conditions, 328 events. 22/328 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 828 event pairs, 2 based on Foata normal form. 1/303 useless extension candidates. Maximal degree in co-relation 350. Up to 37 conditions per place. [2024-10-11 17:17:52,993 INFO L140 encePairwiseOnDemand]: 292/304 looper letters, 14 selfloop transitions, 4 changer transitions 4/249 dead transitions. [2024-10-11 17:17:52,993 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 249 transitions, 551 flow [2024-10-11 17:17:52,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:52,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:52,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 822 transitions. [2024-10-11 17:17:52,995 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9013157894736842 [2024-10-11 17:17:52,995 INFO L175 Difference]: Start difference. First operand has 256 places, 255 transitions, 522 flow. Second operand 3 states and 822 transitions. [2024-10-11 17:17:52,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 249 transitions, 551 flow [2024-10-11 17:17:52,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 249 transitions, 545 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:17:52,999 INFO L231 Difference]: Finished difference. Result has 249 places, 244 transitions, 501 flow [2024-10-11 17:17:53,000 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=501, PETRI_PLACES=249, PETRI_TRANSITIONS=244} [2024-10-11 17:17:53,000 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -27 predicate places. [2024-10-11 17:17:53,000 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 244 transitions, 501 flow [2024-10-11 17:17:53,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 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) [2024-10-11 17:17:53,001 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:53,001 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:17:53,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 17:17:53,001 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-10-11 17:17:53,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:53,002 INFO L85 PathProgramCache]: Analyzing trace with hash -191799969, now seen corresponding path program 1 times [2024-10-11 17:17:53,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:53,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726384312] [2024-10-11 17:17:53,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:53,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:53,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:53,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:53,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726384312] [2024-10-11 17:17:53,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726384312] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:53,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:53,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:53,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169338178] [2024-10-11 17:17:53,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:53,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:53,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:53,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:53,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:53,053 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 304 [2024-10-11 17:17:53,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 244 transitions, 501 flow. Second operand has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 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) [2024-10-11 17:17:53,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:53,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 304 [2024-10-11 17:17:53,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:53,109 INFO L124 PetriNetUnfolderBase]: 43/659 cut-off events. [2024-10-11 17:17:53,109 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-11 17:17:53,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 739 conditions, 659 events. 43/659 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2483 event pairs, 4 based on Foata normal form. 0/596 useless extension candidates. Maximal degree in co-relation 704. Up to 50 conditions per place. [2024-10-11 17:17:53,112 INFO L140 encePairwiseOnDemand]: 299/304 looper letters, 12 selfloop transitions, 2 changer transitions 0/245 dead transitions. [2024-10-11 17:17:53,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 245 transitions, 533 flow [2024-10-11 17:17:53,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:53,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:53,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 851 transitions. [2024-10-11 17:17:53,115 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9331140350877193 [2024-10-11 17:17:53,115 INFO L175 Difference]: Start difference. First operand has 249 places, 244 transitions, 501 flow. Second operand 3 states and 851 transitions. [2024-10-11 17:17:53,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 245 transitions, 533 flow [2024-10-11 17:17:53,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 245 transitions, 525 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:17:53,120 INFO L231 Difference]: Finished difference. Result has 243 places, 243 transitions, 501 flow [2024-10-11 17:17:53,121 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=487, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=501, PETRI_PLACES=243, PETRI_TRANSITIONS=243} [2024-10-11 17:17:53,122 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -33 predicate places. [2024-10-11 17:17:53,122 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 243 transitions, 501 flow [2024-10-11 17:17:53,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 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) [2024-10-11 17:17:53,123 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:53,123 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:17:53,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 17:17:53,123 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-10-11 17:17:53,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:53,124 INFO L85 PathProgramCache]: Analyzing trace with hash -404931067, now seen corresponding path program 1 times [2024-10-11 17:17:53,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:53,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872237891] [2024-10-11 17:17:53,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:53,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:53,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:53,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:53,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872237891] [2024-10-11 17:17:53,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872237891] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:53,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:53,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 17:17:53,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940899373] [2024-10-11 17:17:53,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:53,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 17:17:53,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:53,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 17:17:53,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 17:17:53,246 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 304 [2024-10-11 17:17:53,247 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 243 transitions, 501 flow. Second operand has 4 states, 4 states have (on average 282.25) internal successors, (1129), 4 states have internal predecessors, (1129), 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) [2024-10-11 17:17:53,247 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:53,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 304 [2024-10-11 17:17:53,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:53,317 INFO L124 PetriNetUnfolderBase]: 34/763 cut-off events. [2024-10-11 17:17:53,317 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:17:53,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 834 conditions, 763 events. 34/763 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2697 event pairs, 3 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 798. Up to 18 conditions per place. [2024-10-11 17:17:53,321 INFO L140 encePairwiseOnDemand]: 298/304 looper letters, 13 selfloop transitions, 6 changer transitions 0/252 dead transitions. [2024-10-11 17:17:53,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 252 transitions, 561 flow [2024-10-11 17:17:53,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 17:17:53,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-11 17:17:53,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1425 transitions. [2024-10-11 17:17:53,324 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9375 [2024-10-11 17:17:53,324 INFO L175 Difference]: Start difference. First operand has 243 places, 243 transitions, 501 flow. Second operand 5 states and 1425 transitions. [2024-10-11 17:17:53,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 252 transitions, 561 flow [2024-10-11 17:17:53,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 252 transitions, 561 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 17:17:53,327 INFO L231 Difference]: Finished difference. Result has 250 places, 247 transitions, 539 flow [2024-10-11 17:17:53,328 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=501, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=539, PETRI_PLACES=250, PETRI_TRANSITIONS=247} [2024-10-11 17:17:53,328 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -26 predicate places. [2024-10-11 17:17:53,329 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 247 transitions, 539 flow [2024-10-11 17:17:53,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 282.25) internal successors, (1129), 4 states have internal predecessors, (1129), 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) [2024-10-11 17:17:53,329 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:53,330 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] [2024-10-11 17:17:53,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 17:17:53,330 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-10-11 17:17:53,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:53,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1406153560, now seen corresponding path program 1 times [2024-10-11 17:17:53,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:53,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064923483] [2024-10-11 17:17:53,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:53,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:53,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:53,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:53,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064923483] [2024-10-11 17:17:53,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064923483] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:53,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:53,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:17:53,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875948076] [2024-10-11 17:17:53,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:53,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:17:53,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:53,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:17:53,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:17:54,057 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 304 [2024-10-11 17:17:54,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 247 transitions, 539 flow. Second operand has 6 states, 6 states have (on average 275.5) internal successors, (1653), 6 states have internal predecessors, (1653), 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) [2024-10-11 17:17:54,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:54,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 304 [2024-10-11 17:17:54,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:54,167 INFO L124 PetriNetUnfolderBase]: 30/583 cut-off events. [2024-10-11 17:17:54,168 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-10-11 17:17:54,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 681 conditions, 583 events. 30/583 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1639 event pairs, 2 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 639. Up to 17 conditions per place. [2024-10-11 17:17:54,176 INFO L140 encePairwiseOnDemand]: 298/304 looper letters, 15 selfloop transitions, 6 changer transitions 0/250 dead transitions. [2024-10-11 17:17:54,176 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 250 transitions, 591 flow [2024-10-11 17:17:54,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:17:54,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:17:54,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1665 transitions. [2024-10-11 17:17:54,182 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.912828947368421 [2024-10-11 17:17:54,185 INFO L175 Difference]: Start difference. First operand has 250 places, 247 transitions, 539 flow. Second operand 6 states and 1665 transitions. [2024-10-11 17:17:54,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 250 transitions, 591 flow [2024-10-11 17:17:54,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 250 transitions, 591 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 17:17:54,188 INFO L231 Difference]: Finished difference. Result has 254 places, 246 transitions, 549 flow [2024-10-11 17:17:54,192 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=537, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=549, PETRI_PLACES=254, PETRI_TRANSITIONS=246} [2024-10-11 17:17:54,193 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -22 predicate places. [2024-10-11 17:17:54,193 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 246 transitions, 549 flow [2024-10-11 17:17:54,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 275.5) internal successors, (1653), 6 states have internal predecessors, (1653), 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) [2024-10-11 17:17:54,194 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:54,194 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:17:54,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 17:17:54,194 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-10-11 17:17:54,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:54,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1791901203, now seen corresponding path program 1 times [2024-10-11 17:17:54,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:54,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634516219] [2024-10-11 17:17:54,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:54,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:54,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:54,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:54,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634516219] [2024-10-11 17:17:54,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634516219] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:54,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:54,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 17:17:54,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820457205] [2024-10-11 17:17:54,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:54,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 17:17:54,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:54,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 17:17:54,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 17:17:54,362 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 304 [2024-10-11 17:17:54,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 246 transitions, 549 flow. Second operand has 4 states, 4 states have (on average 281.5) internal successors, (1126), 4 states have internal predecessors, (1126), 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) [2024-10-11 17:17:54,367 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:54,367 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 304 [2024-10-11 17:17:54,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:54,504 INFO L124 PetriNetUnfolderBase]: 42/730 cut-off events. [2024-10-11 17:17:54,505 INFO L125 PetriNetUnfolderBase]: For 30/31 co-relation queries the response was YES. [2024-10-11 17:17:54,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 860 conditions, 730 events. 42/730 cut-off events. For 30/31 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 3026 event pairs, 6 based on Foata normal form. 0/667 useless extension candidates. Maximal degree in co-relation 818. Up to 46 conditions per place. [2024-10-11 17:17:54,513 INFO L140 encePairwiseOnDemand]: 298/304 looper letters, 13 selfloop transitions, 6 changer transitions 0/254 dead transitions. [2024-10-11 17:17:54,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 254 transitions, 606 flow [2024-10-11 17:17:54,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 17:17:54,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-11 17:17:54,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1420 transitions. [2024-10-11 17:17:54,518 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9342105263157895 [2024-10-11 17:17:54,519 INFO L175 Difference]: Start difference. First operand has 254 places, 246 transitions, 549 flow. Second operand 5 states and 1420 transitions. [2024-10-11 17:17:54,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 254 transitions, 606 flow [2024-10-11 17:17:54,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 254 transitions, 594 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:17:54,525 INFO L231 Difference]: Finished difference. Result has 256 places, 250 transitions, 575 flow [2024-10-11 17:17:54,530 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=537, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=575, PETRI_PLACES=256, PETRI_TRANSITIONS=250} [2024-10-11 17:17:54,531 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -20 predicate places. [2024-10-11 17:17:54,531 INFO L471 AbstractCegarLoop]: Abstraction has has 256 places, 250 transitions, 575 flow [2024-10-11 17:17:54,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 281.5) internal successors, (1126), 4 states have internal predecessors, (1126), 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) [2024-10-11 17:17:54,532 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:54,532 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] [2024-10-11 17:17:54,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 17:17:54,532 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-10-11 17:17:54,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:54,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1108044075, now seen corresponding path program 1 times [2024-10-11 17:17:54,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:54,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60019704] [2024-10-11 17:17:54,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:54,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:54,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:54,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60019704] [2024-10-11 17:17:54,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60019704] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:54,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:54,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:54,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319972256] [2024-10-11 17:17:54,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:54,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:54,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:54,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:54,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:54,608 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 304 [2024-10-11 17:17:54,609 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 250 transitions, 575 flow. Second operand has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 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) [2024-10-11 17:17:54,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:54,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 304 [2024-10-11 17:17:54,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:54,757 INFO L124 PetriNetUnfolderBase]: 39/982 cut-off events. [2024-10-11 17:17:54,758 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-10-11 17:17:54,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1167 conditions, 982 events. 39/982 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 4308 event pairs, 10 based on Foata normal form. 0/908 useless extension candidates. Maximal degree in co-relation 1122. Up to 34 conditions per place. [2024-10-11 17:17:54,770 INFO L140 encePairwiseOnDemand]: 301/304 looper letters, 9 selfloop transitions, 2 changer transitions 0/250 dead transitions. [2024-10-11 17:17:54,770 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 250 transitions, 598 flow [2024-10-11 17:17:54,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:54,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:54,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 849 transitions. [2024-10-11 17:17:54,772 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.930921052631579 [2024-10-11 17:17:54,772 INFO L175 Difference]: Start difference. First operand has 256 places, 250 transitions, 575 flow. Second operand 3 states and 849 transitions. [2024-10-11 17:17:54,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 250 transitions, 598 flow [2024-10-11 17:17:54,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 250 transitions, 598 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 17:17:54,777 INFO L231 Difference]: Finished difference. Result has 257 places, 249 transitions, 577 flow [2024-10-11 17:17:54,779 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=573, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=577, PETRI_PLACES=257, PETRI_TRANSITIONS=249} [2024-10-11 17:17:54,780 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -19 predicate places. [2024-10-11 17:17:54,780 INFO L471 AbstractCegarLoop]: Abstraction has has 257 places, 249 transitions, 577 flow [2024-10-11 17:17:54,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 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) [2024-10-11 17:17:54,784 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:54,784 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:17:54,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 17:17:54,784 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-10-11 17:17:54,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:54,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1295670327, now seen corresponding path program 1 times [2024-10-11 17:17:54,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:54,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391017652] [2024-10-11 17:17:54,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:54,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:55,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:55,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:55,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391017652] [2024-10-11 17:17:55,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391017652] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:55,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:55,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:17:55,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996662284] [2024-10-11 17:17:55,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:55,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:17:55,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:55,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:17:55,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:17:55,499 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 304 [2024-10-11 17:17:55,501 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 249 transitions, 577 flow. Second operand has 6 states, 6 states have (on average 268.6666666666667) internal successors, (1612), 6 states have internal predecessors, (1612), 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) [2024-10-11 17:17:55,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:55,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 304 [2024-10-11 17:17:55,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:55,640 INFO L124 PetriNetUnfolderBase]: 54/636 cut-off events. [2024-10-11 17:17:55,641 INFO L125 PetriNetUnfolderBase]: For 55/56 co-relation queries the response was YES. [2024-10-11 17:17:55,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 859 conditions, 636 events. 54/636 cut-off events. For 55/56 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2680 event pairs, 6 based on Foata normal form. 0/600 useless extension candidates. Maximal degree in co-relation 811. Up to 42 conditions per place. [2024-10-11 17:17:55,648 INFO L140 encePairwiseOnDemand]: 292/304 looper letters, 16 selfloop transitions, 11 changer transitions 0/251 dead transitions. [2024-10-11 17:17:55,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 251 transitions, 639 flow [2024-10-11 17:17:55,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:17:55,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:17:55,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1630 transitions. [2024-10-11 17:17:55,652 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.893640350877193 [2024-10-11 17:17:55,652 INFO L175 Difference]: Start difference. First operand has 257 places, 249 transitions, 577 flow. Second operand 6 states and 1630 transitions. [2024-10-11 17:17:55,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 251 transitions, 639 flow [2024-10-11 17:17:55,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 251 transitions, 635 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:17:55,656 INFO L231 Difference]: Finished difference. Result has 258 places, 247 transitions, 591 flow [2024-10-11 17:17:55,656 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=569, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=591, PETRI_PLACES=258, PETRI_TRANSITIONS=247} [2024-10-11 17:17:55,656 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -18 predicate places. [2024-10-11 17:17:55,657 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 247 transitions, 591 flow [2024-10-11 17:17:55,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 268.6666666666667) internal successors, (1612), 6 states have internal predecessors, (1612), 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) [2024-10-11 17:17:55,658 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:55,658 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:17:55,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 17:17:55,658 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-10-11 17:17:55,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:55,658 INFO L85 PathProgramCache]: Analyzing trace with hash 892301050, now seen corresponding path program 1 times [2024-10-11 17:17:55,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:55,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151525137] [2024-10-11 17:17:55,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:55,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:55,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:55,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:55,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151525137] [2024-10-11 17:17:55,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151525137] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:55,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:55,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:55,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857635728] [2024-10-11 17:17:55,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:55,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:55,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:55,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:55,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:55,731 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 304 [2024-10-11 17:17:55,732 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 247 transitions, 591 flow. Second operand has 3 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 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) [2024-10-11 17:17:55,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:55,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 304 [2024-10-11 17:17:55,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:55,794 INFO L124 PetriNetUnfolderBase]: 50/715 cut-off events. [2024-10-11 17:17:55,794 INFO L125 PetriNetUnfolderBase]: For 62/63 co-relation queries the response was YES. [2024-10-11 17:17:55,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 980 conditions, 715 events. 50/715 cut-off events. For 62/63 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2973 event pairs, 26 based on Foata normal form. 0/678 useless extension candidates. Maximal degree in co-relation 934. Up to 86 conditions per place. [2024-10-11 17:17:55,799 INFO L140 encePairwiseOnDemand]: 301/304 looper letters, 13 selfloop transitions, 2 changer transitions 0/247 dead transitions. [2024-10-11 17:17:55,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 247 transitions, 622 flow [2024-10-11 17:17:55,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:55,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:55,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 841 transitions. [2024-10-11 17:17:55,801 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221491228070176 [2024-10-11 17:17:55,801 INFO L175 Difference]: Start difference. First operand has 258 places, 247 transitions, 591 flow. Second operand 3 states and 841 transitions. [2024-10-11 17:17:55,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 247 transitions, 622 flow [2024-10-11 17:17:55,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 247 transitions, 600 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:17:55,804 INFO L231 Difference]: Finished difference. Result has 254 places, 246 transitions, 571 flow [2024-10-11 17:17:55,805 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=567, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=571, PETRI_PLACES=254, PETRI_TRANSITIONS=246} [2024-10-11 17:17:55,805 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -22 predicate places. [2024-10-11 17:17:55,805 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 246 transitions, 571 flow [2024-10-11 17:17:55,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 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) [2024-10-11 17:17:55,806 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:55,806 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:17:55,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 17:17:55,806 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-10-11 17:17:55,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:55,807 INFO L85 PathProgramCache]: Analyzing trace with hash -150992239, now seen corresponding path program 1 times [2024-10-11 17:17:55,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:55,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682078141] [2024-10-11 17:17:55,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:55,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:55,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:55,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:55,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682078141] [2024-10-11 17:17:55,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682078141] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:55,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:55,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:55,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276381989] [2024-10-11 17:17:55,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:55,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:55,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:55,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:55,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:55,869 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 304 [2024-10-11 17:17:55,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 246 transitions, 571 flow. Second operand has 3 states, 3 states have (on average 278.6666666666667) internal successors, (836), 3 states have internal predecessors, (836), 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) [2024-10-11 17:17:55,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:55,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 304 [2024-10-11 17:17:55,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:55,971 INFO L124 PetriNetUnfolderBase]: 49/678 cut-off events. [2024-10-11 17:17:55,975 INFO L125 PetriNetUnfolderBase]: For 55/56 co-relation queries the response was YES. [2024-10-11 17:17:55,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 883 conditions, 678 events. 49/678 cut-off events. For 55/56 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2792 event pairs, 26 based on Foata normal form. 0/647 useless extension candidates. Maximal degree in co-relation 837. Up to 86 conditions per place. [2024-10-11 17:17:55,979 INFO L140 encePairwiseOnDemand]: 301/304 looper letters, 0 selfloop transitions, 0 changer transitions 246/246 dead transitions. [2024-10-11 17:17:55,979 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 246 transitions, 602 flow [2024-10-11 17:17:55,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:55,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:55,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 841 transitions. [2024-10-11 17:17:55,985 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221491228070176 [2024-10-11 17:17:55,985 INFO L175 Difference]: Start difference. First operand has 254 places, 246 transitions, 571 flow. Second operand 3 states and 841 transitions. [2024-10-11 17:17:55,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 246 transitions, 602 flow [2024-10-11 17:17:55,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 246 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:17:55,991 INFO L231 Difference]: Finished difference. Result has 253 places, 0 transitions, 0 flow [2024-10-11 17:17:55,991 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=253, PETRI_TRANSITIONS=0} [2024-10-11 17:17:55,992 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -23 predicate places. [2024-10-11 17:17:55,992 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 0 transitions, 0 flow [2024-10-11 17:17:55,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 278.6666666666667) internal successors, (836), 3 states have internal predecessors, (836), 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) [2024-10-11 17:17:55,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (56 of 57 remaining) [2024-10-11 17:17:55,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (55 of 57 remaining) [2024-10-11 17:17:55,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (54 of 57 remaining) [2024-10-11 17:17:55,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (53 of 57 remaining) [2024-10-11 17:17:55,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (52 of 57 remaining) [2024-10-11 17:17:55,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (51 of 57 remaining) [2024-10-11 17:17:55,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (50 of 57 remaining) [2024-10-11 17:17:55,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (49 of 57 remaining) [2024-10-11 17:17:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (48 of 57 remaining) [2024-10-11 17:17:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (47 of 57 remaining) [2024-10-11 17:17:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (46 of 57 remaining) [2024-10-11 17:17:56,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (45 of 57 remaining) [2024-10-11 17:17:56,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (44 of 57 remaining) [2024-10-11 17:17:56,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (43 of 57 remaining) [2024-10-11 17:17:56,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (42 of 57 remaining) [2024-10-11 17:17:56,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (41 of 57 remaining) [2024-10-11 17:17:56,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (40 of 57 remaining) [2024-10-11 17:17:56,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (39 of 57 remaining) [2024-10-11 17:17:56,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (38 of 57 remaining) [2024-10-11 17:17:56,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (37 of 57 remaining) [2024-10-11 17:17:56,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (36 of 57 remaining) [2024-10-11 17:17:56,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (35 of 57 remaining) [2024-10-11 17:17:56,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (34 of 57 remaining) [2024-10-11 17:17:56,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (33 of 57 remaining) [2024-10-11 17:17:56,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (32 of 57 remaining) [2024-10-11 17:17:56,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (31 of 57 remaining) [2024-10-11 17:17:56,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 57 remaining) [2024-10-11 17:17:56,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 57 remaining) [2024-10-11 17:17:56,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 57 remaining) [2024-10-11 17:17:56,005 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 57 remaining) [2024-10-11 17:17:56,005 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 57 remaining) [2024-10-11 17:17:56,005 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 57 remaining) [2024-10-11 17:17:56,005 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 57 remaining) [2024-10-11 17:17:56,005 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 57 remaining) [2024-10-11 17:17:56,005 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 57 remaining) [2024-10-11 17:17:56,006 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 57 remaining) [2024-10-11 17:17:56,006 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 57 remaining) [2024-10-11 17:17:56,006 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (19 of 57 remaining) [2024-10-11 17:17:56,006 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 57 remaining) [2024-10-11 17:17:56,006 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 57 remaining) [2024-10-11 17:17:56,006 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (16 of 57 remaining) [2024-10-11 17:17:56,006 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 57 remaining) [2024-10-11 17:17:56,006 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 57 remaining) [2024-10-11 17:17:56,006 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 57 remaining) [2024-10-11 17:17:56,006 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 57 remaining) [2024-10-11 17:17:56,006 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 57 remaining) [2024-10-11 17:17:56,006 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 57 remaining) [2024-10-11 17:17:56,006 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 57 remaining) [2024-10-11 17:17:56,006 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 57 remaining) [2024-10-11 17:17:56,006 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 57 remaining) [2024-10-11 17:17:56,006 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 57 remaining) [2024-10-11 17:17:56,006 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (5 of 57 remaining) [2024-10-11 17:17:56,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (4 of 57 remaining) [2024-10-11 17:17:56,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (3 of 57 remaining) [2024-10-11 17:17:56,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (2 of 57 remaining) [2024-10-11 17:17:56,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (1 of 57 remaining) [2024-10-11 17:17:56,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (0 of 57 remaining) [2024-10-11 17:17:56,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 17:17:56,008 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:17:56,019 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 17:17:56,019 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 17:17:56,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 05:17:56 BasicIcfg [2024-10-11 17:17:56,026 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 17:17:56,027 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 17:17:56,027 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 17:17:56,027 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 17:17:56,028 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:17:50" (3/4) ... [2024-10-11 17:17:56,029 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 17:17:56,034 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-11 17:17:56,034 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-11 17:17:56,039 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-10-11 17:17:56,042 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 17:17:56,042 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 17:17:56,043 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 17:17:56,160 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 17:17:56,164 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 17:17:56,164 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 17:17:56,165 INFO L158 Benchmark]: Toolchain (without parser) took 6332.09ms. Allocated memory was 138.4MB in the beginning and 327.2MB in the end (delta: 188.7MB). Free memory was 66.5MB in the beginning and 160.7MB in the end (delta: -94.1MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB. [2024-10-11 17:17:56,165 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:17:56,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.65ms. Allocated memory is still 138.4MB. Free memory was 66.2MB in the beginning and 52.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 17:17:56,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.33ms. Allocated memory is still 138.4MB. Free memory was 52.5MB in the beginning and 108.8MB in the end (delta: -56.4MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-10-11 17:17:56,166 INFO L158 Benchmark]: Boogie Preprocessor took 64.12ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 108.8MB in the beginning and 181.1MB in the end (delta: -72.3MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2024-10-11 17:17:56,166 INFO L158 Benchmark]: RCFGBuilder took 508.40ms. Allocated memory is still 209.7MB. Free memory was 181.1MB in the beginning and 154.9MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-11 17:17:56,166 INFO L158 Benchmark]: TraceAbstraction took 5307.26ms. Allocated memory was 209.7MB in the beginning and 327.2MB in the end (delta: 117.4MB). Free memory was 154.9MB in the beginning and 165.9MB in the end (delta: -11.0MB). Peak memory consumption was 106.4MB. Max. memory is 16.1GB. [2024-10-11 17:17:56,166 INFO L158 Benchmark]: Witness Printer took 137.45ms. Allocated memory is still 327.2MB. Free memory was 165.9MB in the beginning and 160.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 17:17:56,171 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.65ms. Allocated memory is still 138.4MB. Free memory was 66.2MB in the beginning and 52.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.33ms. Allocated memory is still 138.4MB. Free memory was 52.5MB in the beginning and 108.8MB in the end (delta: -56.4MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.12ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 108.8MB in the beginning and 181.1MB in the end (delta: -72.3MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. * RCFGBuilder took 508.40ms. Allocated memory is still 209.7MB. Free memory was 181.1MB in the beginning and 154.9MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5307.26ms. Allocated memory was 209.7MB in the beginning and 327.2MB in the end (delta: 117.4MB). Free memory was 154.9MB in the beginning and 165.9MB in the end (delta: -11.0MB). Peak memory consumption was 106.4MB. Max. memory is 16.1GB. * Witness Printer took 137.45ms. Allocated memory is still 327.2MB. Free memory was 165.9MB in the beginning and 160.7MB 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 437 locations, 57 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: 5.1s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 828 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 361 mSDsluCounter, 156 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 160 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1027 IncrementalHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 160 mSolverCounterUnsat, 136 mSDtfsCounter, 1027 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=591occurred in iteration=14, InterpolantAutomatonStates: 61, 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, 1.9s InterpolantComputationTime, 1445 NumberOfCodeBlocks, 1445 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1429 ConstructedInterpolants, 0 QuantifiedInterpolants, 2142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 17:17:56,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE