./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd36b7f18dbd530fce94e0943ff58c16da276fcc41b96fdafde87c3c69036175 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:39:26,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:39:26,133 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:39:26,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:39:26,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:39:26,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:39:26,156 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:39:26,156 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:39:26,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:39:26,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:39:26,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:39:26,157 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:39:26,158 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:39:26,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:39:26,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:39:26,159 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:39:26,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:39:26,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:39:26,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:39:26,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:39:26,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:39:26,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:39:26,161 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:39:26,161 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:39:26,161 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:39:26,162 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:39:26,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:39:26,162 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:39:26,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:39:26,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:39:26,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:39:26,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:39:26,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:39:26,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:39:26,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:39:26,164 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:39:26,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:39:26,164 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:39:26,164 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:39:26,164 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:39:26,165 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:39:26,165 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd36b7f18dbd530fce94e0943ff58c16da276fcc41b96fdafde87c3c69036175 [2024-11-12 12:39:26,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:39:26,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:39:26,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:39:26,401 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:39:26,402 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:39:26,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2024-11-12 12:39:27,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:39:27,873 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:39:27,874 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2024-11-12 12:39:27,885 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92825cf72/c7e7cc979ad14876a0049941fc45a9f3/FLAG8d402996c [2024-11-12 12:39:27,899 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92825cf72/c7e7cc979ad14876a0049941fc45a9f3 [2024-11-12 12:39:27,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:39:27,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:39:27,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:39:27,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:39:27,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:39:27,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:39:27" (1/1) ... [2024-11-12 12:39:27,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12cd0921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:27, skipping insertion in model container [2024-11-12 12:39:27,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:39:27" (1/1) ... [2024-11-12 12:39:27,928 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:39:28,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:39:28,090 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:39:28,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:39:28,127 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:39:28,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:28 WrapperNode [2024-11-12 12:39:28,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:39:28,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:39:28,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:39:28,128 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:39:28,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:28" (1/1) ... [2024-11-12 12:39:28,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:28" (1/1) ... [2024-11-12 12:39:28,160 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 254 [2024-11-12 12:39:28,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:39:28,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:39:28,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:39:28,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:39:28,171 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:28" (1/1) ... [2024-11-12 12:39:28,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:28" (1/1) ... [2024-11-12 12:39:28,175 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:28" (1/1) ... [2024-11-12 12:39:28,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:28" (1/1) ... [2024-11-12 12:39:28,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:28" (1/1) ... [2024-11-12 12:39:28,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:28" (1/1) ... [2024-11-12 12:39:28,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:28" (1/1) ... [2024-11-12 12:39:28,188 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:28" (1/1) ... [2024-11-12 12:39:28,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:39:28,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:39:28,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:39:28,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:39:28,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:28" (1/1) ... [2024-11-12 12:39:28,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:39:28,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:39:28,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 12:39:28,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 12:39:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:39:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-12 12:39:28,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-12 12:39:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-12 12:39:28,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-12 12:39:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-12 12:39:28,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-12 12:39:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:39:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:39:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 12:39:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:39:28,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:39:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 12:39:28,265 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:39:28,353 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:39:28,355 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:39:28,758 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:39:28,759 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:39:28,775 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:39:28,776 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-12 12:39:28,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:39:28 BoogieIcfgContainer [2024-11-12 12:39:28,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:39:28,778 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:39:28,778 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:39:28,780 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:39:28,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:39:27" (1/3) ... [2024-11-12 12:39:28,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c52c8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:39:28, skipping insertion in model container [2024-11-12 12:39:28,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:28" (2/3) ... [2024-11-12 12:39:28,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c52c8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:39:28, skipping insertion in model container [2024-11-12 12:39:28,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:39:28" (3/3) ... [2024-11-12 12:39:28,782 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2024-11-12 12:39:28,795 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:39:28,795 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-11-12 12:39:28,795 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:39:28,903 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-12 12:39:28,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 332 transitions, 685 flow [2024-11-12 12:39:29,037 INFO L124 PetriNetUnfolderBase]: 19/329 cut-off events. [2024-11-12 12:39:29,037 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-12 12:39:29,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 329 events. 19/329 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 703 event pairs, 0 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 250. Up to 2 conditions per place. [2024-11-12 12:39:29,049 INFO L82 GeneralOperation]: Start removeDead. Operand has 323 places, 332 transitions, 685 flow [2024-11-12 12:39:29,058 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 304 places, 312 transitions, 642 flow [2024-11-12 12:39:29,067 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:39:29,073 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;@634f11b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:39:29,073 INFO L334 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2024-11-12 12:39:29,082 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:39:29,082 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-12 12:39:29,082 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:39:29,083 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:29,083 INFO L206 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] [2024-11-12 12:39:29,084 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:39:29,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:29,088 INFO L85 PathProgramCache]: Analyzing trace with hash 2063134204, now seen corresponding path program 1 times [2024-11-12 12:39:29,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:29,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701467717] [2024-11-12 12:39:29,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:29,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:29,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:29,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:29,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701467717] [2024-11-12 12:39:29,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701467717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:29,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:29,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:29,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4904473] [2024-11-12 12:39:29,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:29,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:29,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:29,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:29,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:29,323 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 332 [2024-11-12 12:39:29,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 312 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:29,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:29,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 332 [2024-11-12 12:39:29,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:29,441 INFO L124 PetriNetUnfolderBase]: 19/621 cut-off events. [2024-11-12 12:39:29,442 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-12 12:39:29,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 621 events. 19/621 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2636 event pairs, 7 based on Foata normal form. 34/580 useless extension candidates. Maximal degree in co-relation 471. Up to 31 conditions per place. [2024-11-12 12:39:29,452 INFO L140 encePairwiseOnDemand]: 316/332 looper letters, 13 selfloop transitions, 2 changer transitions 3/298 dead transitions. [2024-11-12 12:39:29,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 298 transitions, 644 flow [2024-11-12 12:39:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:29,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:29,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 929 transitions. [2024-11-12 12:39:29,469 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9327309236947792 [2024-11-12 12:39:29,472 INFO L175 Difference]: Start difference. First operand has 304 places, 312 transitions, 642 flow. Second operand 3 states and 929 transitions. [2024-11-12 12:39:29,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 298 transitions, 644 flow [2024-11-12 12:39:29,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 298 transitions, 632 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-12 12:39:29,484 INFO L231 Difference]: Finished difference. Result has 299 places, 295 transitions, 600 flow [2024-11-12 12:39:29,487 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=600, PETRI_PLACES=299, PETRI_TRANSITIONS=295} [2024-11-12 12:39:29,490 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -5 predicate places. [2024-11-12 12:39:29,490 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 295 transitions, 600 flow [2024-11-12 12:39:29,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:29,492 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:29,492 INFO L206 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] [2024-11-12 12:39:29,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:39:29,492 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:39:29,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:29,494 INFO L85 PathProgramCache]: Analyzing trace with hash 394039442, now seen corresponding path program 1 times [2024-11-12 12:39:29,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:29,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921677952] [2024-11-12 12:39:29,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:29,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:29,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:29,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:29,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921677952] [2024-11-12 12:39:29,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921677952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:29,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:29,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:29,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121783196] [2024-11-12 12:39:29,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:29,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:29,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:29,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:29,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:29,578 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 332 [2024-11-12 12:39:29,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 295 transitions, 600 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:29,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:29,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 332 [2024-11-12 12:39:29,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:29,655 INFO L124 PetriNetUnfolderBase]: 13/478 cut-off events. [2024-11-12 12:39:29,656 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 12:39:29,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 516 conditions, 478 events. 13/478 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1696 event pairs, 5 based on Foata normal form. 0/422 useless extension candidates. Maximal degree in co-relation 486. Up to 27 conditions per place. [2024-11-12 12:39:29,660 INFO L140 encePairwiseOnDemand]: 329/332 looper letters, 13 selfloop transitions, 2 changer transitions 0/294 dead transitions. [2024-11-12 12:39:29,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 294 transitions, 628 flow [2024-11-12 12:39:29,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:29,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:29,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 916 transitions. [2024-11-12 12:39:29,662 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9196787148594378 [2024-11-12 12:39:29,662 INFO L175 Difference]: Start difference. First operand has 299 places, 295 transitions, 600 flow. Second operand 3 states and 916 transitions. [2024-11-12 12:39:29,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 294 transitions, 628 flow [2024-11-12 12:39:29,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 294 transitions, 624 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:39:29,670 INFO L231 Difference]: Finished difference. Result has 295 places, 294 transitions, 598 flow [2024-11-12 12:39:29,670 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=295, PETRI_TRANSITIONS=294} [2024-11-12 12:39:29,683 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -9 predicate places. [2024-11-12 12:39:29,683 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 294 transitions, 598 flow [2024-11-12 12:39:29,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:29,684 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:29,684 INFO L206 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] [2024-11-12 12:39:29,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:39:29,685 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:39:29,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:29,686 INFO L85 PathProgramCache]: Analyzing trace with hash -275439763, now seen corresponding path program 1 times [2024-11-12 12:39:29,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:29,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525543447] [2024-11-12 12:39:29,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:29,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:29,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:29,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:29,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525543447] [2024-11-12 12:39:29,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525543447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:29,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:29,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:29,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657729867] [2024-11-12 12:39:29,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:29,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:29,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:29,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:29,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:29,762 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 332 [2024-11-12 12:39:29,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 294 transitions, 598 flow. Second operand has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:29,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:29,764 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 332 [2024-11-12 12:39:29,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:29,854 INFO L124 PetriNetUnfolderBase]: 25/628 cut-off events. [2024-11-12 12:39:29,854 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-12 12:39:29,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 687 conditions, 628 events. 25/628 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2831 event pairs, 12 based on Foata normal form. 0/558 useless extension candidates. Maximal degree in co-relation 649. Up to 46 conditions per place. [2024-11-12 12:39:29,861 INFO L140 encePairwiseOnDemand]: 327/332 looper letters, 14 selfloop transitions, 1 changer transitions 0/290 dead transitions. [2024-11-12 12:39:29,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 290 transitions, 620 flow [2024-11-12 12:39:29,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:29,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:29,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 913 transitions. [2024-11-12 12:39:29,863 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2024-11-12 12:39:29,864 INFO L175 Difference]: Start difference. First operand has 295 places, 294 transitions, 598 flow. Second operand 3 states and 913 transitions. [2024-11-12 12:39:29,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 290 transitions, 620 flow [2024-11-12 12:39:29,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 290 transitions, 616 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:39:29,869 INFO L231 Difference]: Finished difference. Result has 291 places, 290 transitions, 588 flow [2024-11-12 12:39:29,870 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=588, PETRI_PLACES=291, PETRI_TRANSITIONS=290} [2024-11-12 12:39:29,871 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -13 predicate places. [2024-11-12 12:39:29,871 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 290 transitions, 588 flow [2024-11-12 12:39:29,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:29,872 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:29,872 INFO L206 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] [2024-11-12 12:39:29,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:39:29,872 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:39:29,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:29,873 INFO L85 PathProgramCache]: Analyzing trace with hash 275019192, now seen corresponding path program 1 times [2024-11-12 12:39:29,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:29,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423996179] [2024-11-12 12:39:29,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:29,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:30,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:30,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:30,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423996179] [2024-11-12 12:39:30,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423996179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:30,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:30,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:39:30,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006561255] [2024-11-12 12:39:30,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:30,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:39:30,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:30,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:39:30,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:39:30,480 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 332 [2024-11-12 12:39:30,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 290 transitions, 588 flow. Second operand has 6 states, 6 states have (on average 286.5) internal successors, (1719), 6 states have internal predecessors, (1719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:30,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:30,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 332 [2024-11-12 12:39:30,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:30,813 INFO L124 PetriNetUnfolderBase]: 394/3274 cut-off events. [2024-11-12 12:39:30,813 INFO L125 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES. [2024-11-12 12:39:30,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3893 conditions, 3274 events. 394/3274 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 29624 event pairs, 264 based on Foata normal form. 0/2860 useless extension candidates. Maximal degree in co-relation 3856. Up to 580 conditions per place. [2024-11-12 12:39:30,835 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 26 selfloop transitions, 5 changer transitions 0/289 dead transitions. [2024-11-12 12:39:30,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 289 transitions, 648 flow [2024-11-12 12:39:30,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:39:30,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:39:30,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1742 transitions. [2024-11-12 12:39:30,839 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8744979919678715 [2024-11-12 12:39:30,840 INFO L175 Difference]: Start difference. First operand has 291 places, 290 transitions, 588 flow. Second operand 6 states and 1742 transitions. [2024-11-12 12:39:30,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 289 transitions, 648 flow [2024-11-12 12:39:30,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 289 transitions, 647 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:39:30,844 INFO L231 Difference]: Finished difference. Result has 294 places, 289 transitions, 595 flow [2024-11-12 12:39:30,844 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=585, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=595, PETRI_PLACES=294, PETRI_TRANSITIONS=289} [2024-11-12 12:39:30,846 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -10 predicate places. [2024-11-12 12:39:30,846 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 289 transitions, 595 flow [2024-11-12 12:39:30,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 286.5) internal successors, (1719), 6 states have internal predecessors, (1719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:30,848 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:30,848 INFO L206 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] [2024-11-12 12:39:30,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:39:30,848 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:39:30,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:30,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1156619393, now seen corresponding path program 1 times [2024-11-12 12:39:30,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:30,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282062572] [2024-11-12 12:39:30,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:30,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:30,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:30,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:30,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282062572] [2024-11-12 12:39:30,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282062572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:30,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:30,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:30,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053475473] [2024-11-12 12:39:30,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:30,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:30,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:30,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:30,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:30,908 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 332 [2024-11-12 12:39:30,910 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 289 transitions, 595 flow. Second operand has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:30,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:30,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 332 [2024-11-12 12:39:30,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:30,990 INFO L124 PetriNetUnfolderBase]: 30/679 cut-off events. [2024-11-12 12:39:30,991 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-12 12:39:30,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 744 conditions, 679 events. 30/679 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3156 event pairs, 15 based on Foata normal form. 0/610 useless extension candidates. Maximal degree in co-relation 726. Up to 48 conditions per place. [2024-11-12 12:39:30,998 INFO L140 encePairwiseOnDemand]: 329/332 looper letters, 12 selfloop transitions, 2 changer transitions 0/288 dead transitions. [2024-11-12 12:39:30,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 288 transitions, 621 flow [2024-11-12 12:39:30,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:30,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:30,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 918 transitions. [2024-11-12 12:39:31,000 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9216867469879518 [2024-11-12 12:39:31,000 INFO L175 Difference]: Start difference. First operand has 294 places, 289 transitions, 595 flow. Second operand 3 states and 918 transitions. [2024-11-12 12:39:31,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 288 transitions, 621 flow [2024-11-12 12:39:31,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 288 transitions, 611 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:39:31,004 INFO L231 Difference]: Finished difference. Result has 290 places, 288 transitions, 587 flow [2024-11-12 12:39:31,004 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=583, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=587, PETRI_PLACES=290, PETRI_TRANSITIONS=288} [2024-11-12 12:39:31,005 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -14 predicate places. [2024-11-12 12:39:31,006 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 288 transitions, 587 flow [2024-11-12 12:39:31,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:31,006 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:31,006 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:31,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:39:31,007 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:39:31,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:31,007 INFO L85 PathProgramCache]: Analyzing trace with hash 380872868, now seen corresponding path program 1 times [2024-11-12 12:39:31,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:31,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540562388] [2024-11-12 12:39:31,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:31,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:31,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:31,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:31,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540562388] [2024-11-12 12:39:31,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540562388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:31,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:31,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:31,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468676470] [2024-11-12 12:39:31,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:31,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:31,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:31,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:31,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:31,064 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 332 [2024-11-12 12:39:31,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 288 transitions, 587 flow. Second operand has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:31,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:31,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 332 [2024-11-12 12:39:31,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:31,130 INFO L124 PetriNetUnfolderBase]: 37/767 cut-off events. [2024-11-12 12:39:31,130 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-12 12:39:31,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 835 conditions, 767 events. 37/767 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3949 event pairs, 20 based on Foata normal form. 0/696 useless extension candidates. Maximal degree in co-relation 797. Up to 56 conditions per place. [2024-11-12 12:39:31,137 INFO L140 encePairwiseOnDemand]: 327/332 looper letters, 14 selfloop transitions, 1 changer transitions 0/284 dead transitions. [2024-11-12 12:39:31,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 284 transitions, 609 flow [2024-11-12 12:39:31,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:31,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:31,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 913 transitions. [2024-11-12 12:39:31,140 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2024-11-12 12:39:31,140 INFO L175 Difference]: Start difference. First operand has 290 places, 288 transitions, 587 flow. Second operand 3 states and 913 transitions. [2024-11-12 12:39:31,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 284 transitions, 609 flow [2024-11-12 12:39:31,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 284 transitions, 605 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:39:31,144 INFO L231 Difference]: Finished difference. Result has 286 places, 284 transitions, 577 flow [2024-11-12 12:39:31,144 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=577, PETRI_PLACES=286, PETRI_TRANSITIONS=284} [2024-11-12 12:39:31,145 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -18 predicate places. [2024-11-12 12:39:31,146 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 284 transitions, 577 flow [2024-11-12 12:39:31,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:31,147 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:31,147 INFO L206 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] [2024-11-12 12:39:31,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:39:31,148 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:39:31,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:31,148 INFO L85 PathProgramCache]: Analyzing trace with hash -788671253, now seen corresponding path program 1 times [2024-11-12 12:39:31,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:31,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817060633] [2024-11-12 12:39:31,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:31,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:31,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:31,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:31,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817060633] [2024-11-12 12:39:31,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817060633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:31,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:31,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:31,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211240012] [2024-11-12 12:39:31,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:31,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:31,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:31,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:31,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:31,223 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 332 [2024-11-12 12:39:31,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 284 transitions, 577 flow. Second operand has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:31,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:31,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 332 [2024-11-12 12:39:31,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:31,265 INFO L124 PetriNetUnfolderBase]: 14/403 cut-off events. [2024-11-12 12:39:31,266 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 12:39:31,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 442 conditions, 403 events. 14/403 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1235 event pairs, 2 based on Foata normal form. 1/374 useless extension candidates. Maximal degree in co-relation 405. Up to 13 conditions per place. [2024-11-12 12:39:31,270 INFO L140 encePairwiseOnDemand]: 327/332 looper letters, 8 selfloop transitions, 2 changer transitions 2/284 dead transitions. [2024-11-12 12:39:31,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 284 transitions, 603 flow [2024-11-12 12:39:31,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:31,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:31,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 926 transitions. [2024-11-12 12:39:31,273 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.929718875502008 [2024-11-12 12:39:31,273 INFO L175 Difference]: Start difference. First operand has 286 places, 284 transitions, 577 flow. Second operand 3 states and 926 transitions. [2024-11-12 12:39:31,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 284 transitions, 603 flow [2024-11-12 12:39:31,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 284 transitions, 602 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:39:31,279 INFO L231 Difference]: Finished difference. Result has 285 places, 280 transitions, 571 flow [2024-11-12 12:39:31,280 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=571, PETRI_PLACES=285, PETRI_TRANSITIONS=280} [2024-11-12 12:39:31,280 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -19 predicate places. [2024-11-12 12:39:31,280 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 280 transitions, 571 flow [2024-11-12 12:39:31,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:31,282 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:31,282 INFO L206 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] [2024-11-12 12:39:31,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 12:39:31,282 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:39:31,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:31,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1998804787, now seen corresponding path program 1 times [2024-11-12 12:39:31,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:31,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666276797] [2024-11-12 12:39:31,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:31,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:31,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:31,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:31,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666276797] [2024-11-12 12:39:31,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666276797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:31,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:31,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:31,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070235103] [2024-11-12 12:39:31,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:31,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:31,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:31,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:31,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:31,336 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 332 [2024-11-12 12:39:31,337 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 280 transitions, 571 flow. Second operand has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:31,337 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:31,337 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 332 [2024-11-12 12:39:31,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:31,469 INFO L124 PetriNetUnfolderBase]: 113/1677 cut-off events. [2024-11-12 12:39:31,469 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-12 12:39:31,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1871 conditions, 1677 events. 113/1677 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 12609 event pairs, 22 based on Foata normal form. 0/1529 useless extension candidates. Maximal degree in co-relation 1834. Up to 159 conditions per place. [2024-11-12 12:39:31,483 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 16 selfloop transitions, 3 changer transitions 0/284 dead transitions. [2024-11-12 12:39:31,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 284 transitions, 621 flow [2024-11-12 12:39:31,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:31,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:31,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 925 transitions. [2024-11-12 12:39:31,486 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.928714859437751 [2024-11-12 12:39:31,486 INFO L175 Difference]: Start difference. First operand has 285 places, 280 transitions, 571 flow. Second operand 3 states and 925 transitions. [2024-11-12 12:39:31,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 284 transitions, 621 flow [2024-11-12 12:39:31,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 284 transitions, 617 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:39:31,490 INFO L231 Difference]: Finished difference. Result has 281 places, 280 transitions, 582 flow [2024-11-12 12:39:31,490 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=281, PETRI_TRANSITIONS=280} [2024-11-12 12:39:31,493 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -23 predicate places. [2024-11-12 12:39:31,493 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 280 transitions, 582 flow [2024-11-12 12:39:31,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:31,494 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:31,494 INFO L206 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] [2024-11-12 12:39:31,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 12:39:31,495 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:39:31,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:31,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1538658321, now seen corresponding path program 1 times [2024-11-12 12:39:31,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:31,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601106945] [2024-11-12 12:39:31,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:31,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:31,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:31,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601106945] [2024-11-12 12:39:31,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601106945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:31,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:31,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 12:39:31,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716552583] [2024-11-12 12:39:31,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:31,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 12:39:31,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:31,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 12:39:31,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-12 12:39:31,702 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 332 [2024-11-12 12:39:31,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 280 transitions, 582 flow. Second operand has 7 states, 7 states have (on average 297.85714285714283) internal successors, (2085), 7 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:31,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:31,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 332 [2024-11-12 12:39:31,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:31,848 INFO L124 PetriNetUnfolderBase]: 52/1003 cut-off events. [2024-11-12 12:39:31,848 INFO L125 PetriNetUnfolderBase]: For 8/22 co-relation queries the response was YES. [2024-11-12 12:39:31,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1172 conditions, 1003 events. 52/1003 cut-off events. For 8/22 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 5295 event pairs, 18 based on Foata normal form. 4/939 useless extension candidates. Maximal degree in co-relation 1133. Up to 62 conditions per place. [2024-11-12 12:39:31,858 INFO L140 encePairwiseOnDemand]: 319/332 looper letters, 20 selfloop transitions, 14 changer transitions 0/294 dead transitions. [2024-11-12 12:39:31,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 294 transitions, 685 flow [2024-11-12 12:39:31,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 12:39:31,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-12 12:39:31,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2995 transitions. [2024-11-12 12:39:31,863 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9021084337349398 [2024-11-12 12:39:31,863 INFO L175 Difference]: Start difference. First operand has 281 places, 280 transitions, 582 flow. Second operand 10 states and 2995 transitions. [2024-11-12 12:39:31,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 294 transitions, 685 flow [2024-11-12 12:39:31,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 294 transitions, 685 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:39:31,867 INFO L231 Difference]: Finished difference. Result has 294 places, 287 transitions, 648 flow [2024-11-12 12:39:31,868 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=582, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=648, PETRI_PLACES=294, PETRI_TRANSITIONS=287} [2024-11-12 12:39:31,868 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -10 predicate places. [2024-11-12 12:39:31,868 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 287 transitions, 648 flow [2024-11-12 12:39:31,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 297.85714285714283) internal successors, (2085), 7 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:31,870 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:31,870 INFO L206 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] [2024-11-12 12:39:31,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 12:39:31,870 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:39:31,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:31,871 INFO L85 PathProgramCache]: Analyzing trace with hash 367369130, now seen corresponding path program 1 times [2024-11-12 12:39:31,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:31,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992801440] [2024-11-12 12:39:31,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:31,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:31,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:31,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:31,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992801440] [2024-11-12 12:39:31,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992801440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:31,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:31,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:39:31,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070011989] [2024-11-12 12:39:31,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:31,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 12:39:31,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:31,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 12:39:31,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 12:39:31,986 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 332 [2024-11-12 12:39:31,988 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 287 transitions, 648 flow. Second operand has 5 states, 5 states have (on average 300.0) internal successors, (1500), 5 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:31,988 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:31,988 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 332 [2024-11-12 12:39:31,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:32,161 INFO L124 PetriNetUnfolderBase]: 95/1594 cut-off events. [2024-11-12 12:39:32,162 INFO L125 PetriNetUnfolderBase]: For 57/66 co-relation queries the response was YES. [2024-11-12 12:39:32,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1907 conditions, 1594 events. 95/1594 cut-off events. For 57/66 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 10883 event pairs, 34 based on Foata normal form. 8/1489 useless extension candidates. Maximal degree in co-relation 1859. Up to 103 conditions per place. [2024-11-12 12:39:32,178 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 22 selfloop transitions, 5 changer transitions 0/297 dead transitions. [2024-11-12 12:39:32,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 297 transitions, 729 flow [2024-11-12 12:39:32,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 12:39:32,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-12 12:39:32,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1518 transitions. [2024-11-12 12:39:32,181 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9144578313253012 [2024-11-12 12:39:32,181 INFO L175 Difference]: Start difference. First operand has 294 places, 287 transitions, 648 flow. Second operand 5 states and 1518 transitions. [2024-11-12 12:39:32,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 297 transitions, 729 flow [2024-11-12 12:39:32,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 297 transitions, 725 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:39:32,185 INFO L231 Difference]: Finished difference. Result has 299 places, 289 transitions, 669 flow [2024-11-12 12:39:32,186 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=669, PETRI_PLACES=299, PETRI_TRANSITIONS=289} [2024-11-12 12:39:32,186 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -5 predicate places. [2024-11-12 12:39:32,186 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 289 transitions, 669 flow [2024-11-12 12:39:32,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 300.0) internal successors, (1500), 5 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:32,187 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:32,187 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:32,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 12:39:32,187 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:39:32,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:32,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1313188407, now seen corresponding path program 1 times [2024-11-12 12:39:32,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:32,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211776698] [2024-11-12 12:39:32,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:32,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:32,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:32,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:32,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211776698] [2024-11-12 12:39:32,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211776698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:32,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:32,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:39:32,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934259864] [2024-11-12 12:39:32,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:32,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:39:32,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:32,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:39:32,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:39:32,631 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 332 [2024-11-12 12:39:32,633 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 289 transitions, 669 flow. Second operand has 6 states, 6 states have (on average 297.6666666666667) internal successors, (1786), 6 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:32,633 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:32,633 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 332 [2024-11-12 12:39:32,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:32,836 INFO L124 PetriNetUnfolderBase]: 112/1640 cut-off events. [2024-11-12 12:39:32,837 INFO L125 PetriNetUnfolderBase]: For 138/147 co-relation queries the response was YES. [2024-11-12 12:39:32,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2067 conditions, 1640 events. 112/1640 cut-off events. For 138/147 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 11079 event pairs, 31 based on Foata normal form. 0/1529 useless extension candidates. Maximal degree in co-relation 2020. Up to 124 conditions per place. [2024-11-12 12:39:32,847 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 24 selfloop transitions, 5 changer transitions 0/296 dead transitions. [2024-11-12 12:39:32,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 296 transitions, 749 flow [2024-11-12 12:39:32,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:39:32,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:39:32,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1804 transitions. [2024-11-12 12:39:32,851 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9056224899598394 [2024-11-12 12:39:32,851 INFO L175 Difference]: Start difference. First operand has 299 places, 289 transitions, 669 flow. Second operand 6 states and 1804 transitions. [2024-11-12 12:39:32,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 296 transitions, 749 flow [2024-11-12 12:39:32,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 296 transitions, 744 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:39:32,857 INFO L231 Difference]: Finished difference. Result has 301 places, 288 transitions, 672 flow [2024-11-12 12:39:32,857 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=672, PETRI_PLACES=301, PETRI_TRANSITIONS=288} [2024-11-12 12:39:32,858 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -3 predicate places. [2024-11-12 12:39:32,858 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 288 transitions, 672 flow [2024-11-12 12:39:32,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.6666666666667) internal successors, (1786), 6 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:32,859 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:32,859 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:32,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 12:39:32,859 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:39:32,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:32,860 INFO L85 PathProgramCache]: Analyzing trace with hash 274982150, now seen corresponding path program 1 times [2024-11-12 12:39:32,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:32,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754902760] [2024-11-12 12:39:32,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:32,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:33,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:33,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:33,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754902760] [2024-11-12 12:39:33,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754902760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:33,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:33,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:39:33,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264516927] [2024-11-12 12:39:33,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:33,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:39:33,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:33,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:39:33,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:39:33,219 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 332 [2024-11-12 12:39:33,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 288 transitions, 672 flow. Second operand has 6 states, 6 states have (on average 297.8333333333333) internal successors, (1787), 6 states have internal predecessors, (1787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:33,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:33,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 332 [2024-11-12 12:39:33,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:33,377 INFO L124 PetriNetUnfolderBase]: 182/1653 cut-off events. [2024-11-12 12:39:33,378 INFO L125 PetriNetUnfolderBase]: For 135/226 co-relation queries the response was YES. [2024-11-12 12:39:33,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2138 conditions, 1653 events. 182/1653 cut-off events. For 135/226 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 11967 event pairs, 44 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2091. Up to 173 conditions per place. [2024-11-12 12:39:33,390 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 22 selfloop transitions, 5 changer transitions 6/295 dead transitions. [2024-11-12 12:39:33,390 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 295 transitions, 748 flow [2024-11-12 12:39:33,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:39:33,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:39:33,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1804 transitions. [2024-11-12 12:39:33,394 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9056224899598394 [2024-11-12 12:39:33,394 INFO L175 Difference]: Start difference. First operand has 301 places, 288 transitions, 672 flow. Second operand 6 states and 1804 transitions. [2024-11-12 12:39:33,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 295 transitions, 748 flow [2024-11-12 12:39:33,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 295 transitions, 738 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:39:33,398 INFO L231 Difference]: Finished difference. Result has 300 places, 281 transitions, 638 flow [2024-11-12 12:39:33,398 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=660, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=638, PETRI_PLACES=300, PETRI_TRANSITIONS=281} [2024-11-12 12:39:33,398 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -4 predicate places. [2024-11-12 12:39:33,399 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 281 transitions, 638 flow [2024-11-12 12:39:33,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.8333333333333) internal successors, (1787), 6 states have internal predecessors, (1787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:33,400 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:33,400 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:33,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 12:39:33,400 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:39:33,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:33,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1440770683, now seen corresponding path program 1 times [2024-11-12 12:39:33,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:33,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468810725] [2024-11-12 12:39:33,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:33,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:33,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:39:33,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:33,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468810725] [2024-11-12 12:39:33,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468810725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:33,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:33,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:39:33,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132694750] [2024-11-12 12:39:33,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:33,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:39:33,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:33,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:39:33,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:39:33,769 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 332 [2024-11-12 12:39:33,771 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 281 transitions, 638 flow. Second operand has 6 states, 6 states have (on average 298.1666666666667) internal successors, (1789), 6 states have internal predecessors, (1789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:33,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:33,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 332 [2024-11-12 12:39:33,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:33,883 INFO L124 PetriNetUnfolderBase]: 68/1078 cut-off events. [2024-11-12 12:39:33,883 INFO L125 PetriNetUnfolderBase]: For 26/32 co-relation queries the response was YES. [2024-11-12 12:39:33,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1386 conditions, 1078 events. 68/1078 cut-off events. For 26/32 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 6437 event pairs, 17 based on Foata normal form. 0/1022 useless extension candidates. Maximal degree in co-relation 1339. Up to 67 conditions per place. [2024-11-12 12:39:33,894 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 22 selfloop transitions, 5 changer transitions 0/288 dead transitions. [2024-11-12 12:39:33,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 288 transitions, 714 flow [2024-11-12 12:39:33,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:39:33,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:39:33,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1804 transitions. [2024-11-12 12:39:33,897 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9056224899598394 [2024-11-12 12:39:33,898 INFO L175 Difference]: Start difference. First operand has 300 places, 281 transitions, 638 flow. Second operand 6 states and 1804 transitions. [2024-11-12 12:39:33,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 288 transitions, 714 flow [2024-11-12 12:39:33,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 288 transitions, 684 flow, removed 4 selfloop flow, removed 11 redundant places. [2024-11-12 12:39:33,902 INFO L231 Difference]: Finished difference. Result has 289 places, 280 transitions, 616 flow [2024-11-12 12:39:33,903 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=616, PETRI_PLACES=289, PETRI_TRANSITIONS=280} [2024-11-12 12:39:33,904 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -15 predicate places. [2024-11-12 12:39:33,904 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 280 transitions, 616 flow [2024-11-12 12:39:33,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 298.1666666666667) internal successors, (1789), 6 states have internal predecessors, (1789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:33,906 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:33,906 INFO L206 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] [2024-11-12 12:39:33,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 12:39:33,906 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:39:33,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:33,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1527161365, now seen corresponding path program 1 times [2024-11-12 12:39:33,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:33,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102804473] [2024-11-12 12:39:33,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:33,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:33,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:39:33,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:33,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102804473] [2024-11-12 12:39:33,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102804473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:33,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:33,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:33,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928688196] [2024-11-12 12:39:33,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:33,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:33,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:33,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:33,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:33,954 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 332 [2024-11-12 12:39:33,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 280 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:33,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:33,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 332 [2024-11-12 12:39:33,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:34,088 INFO L124 PetriNetUnfolderBase]: 56/1029 cut-off events. [2024-11-12 12:39:34,088 INFO L125 PetriNetUnfolderBase]: For 8/18 co-relation queries the response was YES. [2024-11-12 12:39:34,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1248 conditions, 1029 events. 56/1029 cut-off events. For 8/18 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 6051 event pairs, 17 based on Foata normal form. 1/977 useless extension candidates. Maximal degree in co-relation 1207. Up to 58 conditions per place. [2024-11-12 12:39:34,095 INFO L140 encePairwiseOnDemand]: 329/332 looper letters, 0 selfloop transitions, 0 changer transitions 281/281 dead transitions. [2024-11-12 12:39:34,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 281 transitions, 644 flow [2024-11-12 12:39:34,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:34,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:34,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 925 transitions. [2024-11-12 12:39:34,097 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.928714859437751 [2024-11-12 12:39:34,097 INFO L175 Difference]: Start difference. First operand has 289 places, 280 transitions, 616 flow. Second operand 3 states and 925 transitions. [2024-11-12 12:39:34,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 281 transitions, 644 flow [2024-11-12 12:39:34,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 281 transitions, 634 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:39:34,100 INFO L231 Difference]: Finished difference. Result has 285 places, 0 transitions, 0 flow [2024-11-12 12:39:34,101 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=604, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=285, PETRI_TRANSITIONS=0} [2024-11-12 12:39:34,101 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -19 predicate places. [2024-11-12 12:39:34,101 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 0 transitions, 0 flow [2024-11-12 12:39:34,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:34,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 36 remaining) [2024-11-12 12:39:34,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining) [2024-11-12 12:39:34,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining) [2024-11-12 12:39:34,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining) [2024-11-12 12:39:34,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining) [2024-11-12 12:39:34,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining) [2024-11-12 12:39:34,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining) [2024-11-12 12:39:34,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining) [2024-11-12 12:39:34,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining) [2024-11-12 12:39:34,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (26 of 36 remaining) [2024-11-12 12:39:34,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining) [2024-11-12 12:39:34,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining) [2024-11-12 12:39:34,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining) [2024-11-12 12:39:34,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining) [2024-11-12 12:39:34,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining) [2024-11-12 12:39:34,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining) [2024-11-12 12:39:34,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining) [2024-11-12 12:39:34,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining) [2024-11-12 12:39:34,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining) [2024-11-12 12:39:34,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining) [2024-11-12 12:39:34,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (15 of 36 remaining) [2024-11-12 12:39:34,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 36 remaining) [2024-11-12 12:39:34,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 36 remaining) [2024-11-12 12:39:34,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 36 remaining) [2024-11-12 12:39:34,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining) [2024-11-12 12:39:34,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining) [2024-11-12 12:39:34,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining) [2024-11-12 12:39:34,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining) [2024-11-12 12:39:34,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining) [2024-11-12 12:39:34,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining) [2024-11-12 12:39:34,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining) [2024-11-12 12:39:34,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining) [2024-11-12 12:39:34,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining) [2024-11-12 12:39:34,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining) [2024-11-12 12:39:34,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining) [2024-11-12 12:39:34,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (0 of 36 remaining) [2024-11-12 12:39:34,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 12:39:34,109 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:34,114 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 12:39:34,114 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 12:39:34,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:39:34 BasicIcfg [2024-11-12 12:39:34,118 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 12:39:34,119 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 12:39:34,119 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 12:39:34,120 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 12:39:34,120 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:39:28" (3/4) ... [2024-11-12 12:39:34,121 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 12:39:34,124 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-12 12:39:34,124 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-12 12:39:34,124 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-12 12:39:34,128 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-12 12:39:34,129 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-12 12:39:34,129 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 12:39:34,129 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 12:39:34,213 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 12:39:34,213 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 12:39:34,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 12:39:34,216 INFO L158 Benchmark]: Toolchain (without parser) took 6313.59ms. Allocated memory was 153.1MB in the beginning and 434.1MB in the end (delta: 281.0MB). Free memory was 98.7MB in the beginning and 379.0MB in the end (delta: -280.3MB). Peak memory consumption was 213.7MB. Max. memory is 16.1GB. [2024-11-12 12:39:34,216 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 153.1MB. Free memory was 115.4MB in the beginning and 115.3MB in the end (delta: 81.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:39:34,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.18ms. Allocated memory is still 153.1MB. Free memory was 98.3MB in the beginning and 84.0MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 12:39:34,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.61ms. Allocated memory is still 153.1MB. Free memory was 84.0MB in the beginning and 81.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 12:39:34,217 INFO L158 Benchmark]: Boogie Preprocessor took 28.38ms. Allocated memory is still 153.1MB. Free memory was 81.5MB in the beginning and 79.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 12:39:34,217 INFO L158 Benchmark]: RCFGBuilder took 582.68ms. Allocated memory was 153.1MB in the beginning and 211.8MB in the end (delta: 58.7MB). Free memory was 79.0MB in the beginning and 172.9MB in the end (delta: -93.9MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2024-11-12 12:39:34,217 INFO L158 Benchmark]: TraceAbstraction took 5340.16ms. Allocated memory was 211.8MB in the beginning and 360.7MB in the end (delta: 148.9MB). Free memory was 171.9MB in the beginning and 96.2MB in the end (delta: 75.7MB). Peak memory consumption was 225.7MB. Max. memory is 16.1GB. [2024-11-12 12:39:34,217 INFO L158 Benchmark]: Witness Printer took 95.90ms. Allocated memory was 360.7MB in the beginning and 434.1MB in the end (delta: 73.4MB). Free memory was 96.2MB in the beginning and 379.0MB in the end (delta: -282.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 12:39:34,219 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 153.1MB. Free memory was 115.4MB in the beginning and 115.3MB in the end (delta: 81.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.18ms. Allocated memory is still 153.1MB. Free memory was 98.3MB in the beginning and 84.0MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.61ms. Allocated memory is still 153.1MB. Free memory was 84.0MB in the beginning and 81.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.38ms. Allocated memory is still 153.1MB. Free memory was 81.5MB in the beginning and 79.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 582.68ms. Allocated memory was 153.1MB in the beginning and 211.8MB in the end (delta: 58.7MB). Free memory was 79.0MB in the beginning and 172.9MB in the end (delta: -93.9MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5340.16ms. Allocated memory was 211.8MB in the beginning and 360.7MB in the end (delta: 148.9MB). Free memory was 171.9MB in the beginning and 96.2MB in the end (delta: 75.7MB). Peak memory consumption was 225.7MB. Max. memory is 16.1GB. * Witness Printer took 95.90ms. Allocated memory was 360.7MB in the beginning and 434.1MB in the end (delta: 73.4MB). Free memory was 96.2MB in the beginning and 379.0MB in the end (delta: -282.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 484 locations, 36 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: 5.2s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 870 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 505 mSDsluCounter, 337 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 279 mSDsCounter, 162 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1294 IncrementalHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 162 mSolverCounterUnsat, 58 mSDtfsCounter, 1294 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=672occurred in iteration=11, InterpolantAutomatonStates: 63, 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, 1.6s InterpolantComputationTime, 1120 NumberOfCodeBlocks, 1120 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1106 ConstructedInterpolants, 0 QuantifiedInterpolants, 1804 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 2/2 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 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-12 12:39:34,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE