./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a063462cb7b21c5f8dae2503e70fbd4d55b33be159df87fb06824a6d79ada34a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:57:53,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:57:53,723 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:57:53,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:57:53,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:57:53,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:57:53,752 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:57:53,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:57:53,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:57:53,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:57:53,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:57:53,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:57:53,754 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:57:53,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:57:53,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:57:53,755 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:57:53,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:57:53,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:57:53,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:57:53,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:57:53,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:57:53,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:57:53,758 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:57:53,761 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:57:53,761 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:57:53,761 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:57:53,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:57:53,762 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:57:53,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:57:53,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:57:53,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:57:53,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:57:53,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:57:53,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:57:53,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:57:53,763 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:57:53,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:57:53,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:57:53,763 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:57:53,763 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:57:53,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:57:53,765 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a063462cb7b21c5f8dae2503e70fbd4d55b33be159df87fb06824a6d79ada34a [2024-11-19 05:57:53,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:57:53,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:57:53,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:57:53,983 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:57:53,983 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:57:53,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c [2024-11-19 05:57:55,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:57:55,407 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:57:55,408 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-sre-symm.wvr.c [2024-11-19 05:57:55,414 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58d07fdb5/4cbdefc742764705acb505f8244469ab/FLAG97fdd8f3a [2024-11-19 05:57:55,426 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58d07fdb5/4cbdefc742764705acb505f8244469ab [2024-11-19 05:57:55,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:57:55,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:57:55,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:57:55,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:57:55,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:57:55,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:57:55" (1/1) ... [2024-11-19 05:57:55,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a61b241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:55, skipping insertion in model container [2024-11-19 05:57:55,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:57:55" (1/1) ... [2024-11-19 05:57:55,457 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:57:55,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:57:55,681 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:57:55,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:57:55,737 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:57:55,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:55 WrapperNode [2024-11-19 05:57:55,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:57:55,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:57:55,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:57:55,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:57:55,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:55" (1/1) ... [2024-11-19 05:57:55,750 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:55" (1/1) ... [2024-11-19 05:57:55,777 INFO L138 Inliner]: procedures = 20, calls = 12, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 85 [2024-11-19 05:57:55,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:57:55,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:57:55,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:57:55,778 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:57:55,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:55" (1/1) ... [2024-11-19 05:57:55,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:55" (1/1) ... [2024-11-19 05:57:55,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:55" (1/1) ... [2024-11-19 05:57:55,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:55" (1/1) ... [2024-11-19 05:57:55,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:55" (1/1) ... [2024-11-19 05:57:55,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:55" (1/1) ... [2024-11-19 05:57:55,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:55" (1/1) ... [2024-11-19 05:57:55,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:55" (1/1) ... [2024-11-19 05:57:55,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:57:55,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:57:55,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:57:55,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:57:55,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:55" (1/1) ... [2024-11-19 05:57:55,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:57:55,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:57:55,836 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) [2024-11-19 05:57:55,838 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 [2024-11-19 05:57:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:57:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-19 05:57:55,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-19 05:57:55,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-19 05:57:55,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-19 05:57:55,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:57:55,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:57:55,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:57:55,876 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:57:55,959 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:57:55,960 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:57:56,184 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:57:56,184 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:57:56,200 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:57:56,202 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 05:57:56,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:57:56 BoogieIcfgContainer [2024-11-19 05:57:56,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:57:56,204 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:57:56,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:57:56,207 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:57:56,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:57:55" (1/3) ... [2024-11-19 05:57:56,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7180d60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:57:56, skipping insertion in model container [2024-11-19 05:57:56,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:55" (2/3) ... [2024-11-19 05:57:56,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7180d60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:57:56, skipping insertion in model container [2024-11-19 05:57:56,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:57:56" (3/3) ... [2024-11-19 05:57:56,212 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-symm.wvr.c [2024-11-19 05:57:56,227 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:57:56,227 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-19 05:57:56,228 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:57:56,306 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-19 05:57:56,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 159 transitions, 332 flow [2024-11-19 05:57:56,401 INFO L124 PetriNetUnfolderBase]: 8/157 cut-off events. [2024-11-19 05:57:56,403 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 05:57:56,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 157 events. 8/157 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 141 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2024-11-19 05:57:56,411 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 159 transitions, 332 flow [2024-11-19 05:57:56,416 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 138 places, 137 transitions, 286 flow [2024-11-19 05:57:56,428 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:57:56,438 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;@4b393e91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:57:56,438 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-11-19 05:57:56,446 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:57:56,448 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-19 05:57:56,448 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:57:56,448 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:56,449 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:56,449 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:57:56,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:56,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1547282207, now seen corresponding path program 1 times [2024-11-19 05:57:56,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:56,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471030089] [2024-11-19 05:57:56,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:56,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:56,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:56,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:56,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471030089] [2024-11-19 05:57:56,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471030089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:56,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:56,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:56,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426765400] [2024-11-19 05:57:56,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:56,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:56,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:56,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:56,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:56,682 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 159 [2024-11-19 05:57:56,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 137 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-11-19 05:57:56,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:56,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 159 [2024-11-19 05:57:56,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:56,747 INFO L124 PetriNetUnfolderBase]: 12/207 cut-off events. [2024-11-19 05:57:56,749 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-19 05:57:56,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 207 events. 12/207 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 480 event pairs, 5 based on Foata normal form. 2/171 useless extension candidates. Maximal degree in co-relation 137. Up to 21 conditions per place. [2024-11-19 05:57:56,752 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 10 selfloop transitions, 2 changer transitions 2/134 dead transitions. [2024-11-19 05:57:56,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 134 transitions, 304 flow [2024-11-19 05:57:56,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:56,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:56,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 438 transitions. [2024-11-19 05:57:56,769 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9182389937106918 [2024-11-19 05:57:56,772 INFO L175 Difference]: Start difference. First operand has 138 places, 137 transitions, 286 flow. Second operand 3 states and 438 transitions. [2024-11-19 05:57:56,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 134 transitions, 304 flow [2024-11-19 05:57:56,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 134 transitions, 296 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-19 05:57:56,782 INFO L231 Difference]: Finished difference. Result has 135 places, 132 transitions, 272 flow [2024-11-19 05:57:56,784 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=272, PETRI_PLACES=135, PETRI_TRANSITIONS=132} [2024-11-19 05:57:56,787 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -3 predicate places. [2024-11-19 05:57:56,787 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 132 transitions, 272 flow [2024-11-19 05:57:56,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-11-19 05:57:56,788 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:56,788 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:56,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:57:56,789 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:57:56,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:56,789 INFO L85 PathProgramCache]: Analyzing trace with hash 2144134985, now seen corresponding path program 1 times [2024-11-19 05:57:56,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:56,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420751679] [2024-11-19 05:57:56,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:56,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:56,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:56,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:56,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420751679] [2024-11-19 05:57:56,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420751679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:56,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:56,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:56,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694510331] [2024-11-19 05:57:56,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:56,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:56,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:56,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:56,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:56,869 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 159 [2024-11-19 05:57:56,871 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 132 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-11-19 05:57:56,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:56,871 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 159 [2024-11-19 05:57:56,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:56,914 INFO L124 PetriNetUnfolderBase]: 11/175 cut-off events. [2024-11-19 05:57:56,915 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 05:57:56,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 175 events. 11/175 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 361 event pairs, 5 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 178. Up to 21 conditions per place. [2024-11-19 05:57:56,917 INFO L140 encePairwiseOnDemand]: 156/159 looper letters, 10 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2024-11-19 05:57:56,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 131 transitions, 294 flow [2024-11-19 05:57:56,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:56,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:56,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 436 transitions. [2024-11-19 05:57:56,920 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9140461215932913 [2024-11-19 05:57:56,920 INFO L175 Difference]: Start difference. First operand has 135 places, 132 transitions, 272 flow. Second operand 3 states and 436 transitions. [2024-11-19 05:57:56,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 131 transitions, 294 flow [2024-11-19 05:57:56,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 131 transitions, 290 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:56,925 INFO L231 Difference]: Finished difference. Result has 132 places, 131 transitions, 270 flow [2024-11-19 05:57:56,926 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=270, PETRI_PLACES=132, PETRI_TRANSITIONS=131} [2024-11-19 05:57:56,926 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -6 predicate places. [2024-11-19 05:57:56,927 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 131 transitions, 270 flow [2024-11-19 05:57:56,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-11-19 05:57:56,928 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:56,928 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:56,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:57:56,928 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:57:56,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:56,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1914111960, now seen corresponding path program 1 times [2024-11-19 05:57:56,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:56,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897280449] [2024-11-19 05:57:56,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:56,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:57,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:57,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:57,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897280449] [2024-11-19 05:57:57,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897280449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:57,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:57,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:57,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550389231] [2024-11-19 05:57:57,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:57,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:57,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:57,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:57,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:57,045 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 159 [2024-11-19 05:57:57,046 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 131 transitions, 270 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-11-19 05:57:57,046 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:57,046 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 159 [2024-11-19 05:57:57,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:57,091 INFO L124 PetriNetUnfolderBase]: 23/239 cut-off events. [2024-11-19 05:57:57,091 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-19 05:57:57,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 239 events. 23/239 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 634 event pairs, 9 based on Foata normal form. 0/205 useless extension candidates. Maximal degree in co-relation 251. Up to 36 conditions per place. [2024-11-19 05:57:57,094 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 12 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2024-11-19 05:57:57,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 131 transitions, 299 flow [2024-11-19 05:57:57,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:57,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:57,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2024-11-19 05:57:57,097 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9224318658280922 [2024-11-19 05:57:57,097 INFO L175 Difference]: Start difference. First operand has 132 places, 131 transitions, 270 flow. Second operand 3 states and 440 transitions. [2024-11-19 05:57:57,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 131 transitions, 299 flow [2024-11-19 05:57:57,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 131 transitions, 295 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:57,101 INFO L231 Difference]: Finished difference. Result has 130 places, 130 transitions, 274 flow [2024-11-19 05:57:57,101 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=130, PETRI_TRANSITIONS=130} [2024-11-19 05:57:57,102 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -8 predicate places. [2024-11-19 05:57:57,103 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 130 transitions, 274 flow [2024-11-19 05:57:57,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-11-19 05:57:57,103 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:57,103 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:57,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:57:57,104 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:57:57,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:57,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1215578614, now seen corresponding path program 1 times [2024-11-19 05:57:57,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:57,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984355234] [2024-11-19 05:57:57,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:57,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:57,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:57,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:57,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984355234] [2024-11-19 05:57:57,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984355234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:57,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:57,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:57,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958882222] [2024-11-19 05:57:57,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:57,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:57,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:57,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:57,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:57,184 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 159 [2024-11-19 05:57:57,185 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 130 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-11-19 05:57:57,185 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:57,185 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 159 [2024-11-19 05:57:57,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:57,215 INFO L124 PetriNetUnfolderBase]: 26/269 cut-off events. [2024-11-19 05:57:57,215 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 05:57:57,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 328 conditions, 269 events. 26/269 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 855 event pairs, 8 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 263. Up to 36 conditions per place. [2024-11-19 05:57:57,217 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 12 selfloop transitions, 2 changer transitions 0/130 dead transitions. [2024-11-19 05:57:57,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 130 transitions, 303 flow [2024-11-19 05:57:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:57,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:57,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2024-11-19 05:57:57,219 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9224318658280922 [2024-11-19 05:57:57,219 INFO L175 Difference]: Start difference. First operand has 130 places, 130 transitions, 274 flow. Second operand 3 states and 440 transitions. [2024-11-19 05:57:57,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 130 transitions, 303 flow [2024-11-19 05:57:57,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 130 transitions, 303 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:57:57,221 INFO L231 Difference]: Finished difference. Result has 130 places, 129 transitions, 282 flow [2024-11-19 05:57:57,222 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=130, PETRI_TRANSITIONS=129} [2024-11-19 05:57:57,222 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -8 predicate places. [2024-11-19 05:57:57,222 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 129 transitions, 282 flow [2024-11-19 05:57:57,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-11-19 05:57:57,223 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:57,223 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:57,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:57:57,223 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:57:57,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:57,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1023740721, now seen corresponding path program 1 times [2024-11-19 05:57:57,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:57,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161016168] [2024-11-19 05:57:57,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:57,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:57,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:57,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:57,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161016168] [2024-11-19 05:57:57,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161016168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:57,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:57,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:57,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092251316] [2024-11-19 05:57:57,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:57,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:57,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:57,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:57,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:57,293 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 159 [2024-11-19 05:57:57,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 129 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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) [2024-11-19 05:57:57,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:57,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 159 [2024-11-19 05:57:57,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:57,319 INFO L124 PetriNetUnfolderBase]: 13/195 cut-off events. [2024-11-19 05:57:57,319 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-19 05:57:57,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 195 events. 13/195 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 466 event pairs, 2 based on Foata normal form. 1/179 useless extension candidates. Maximal degree in co-relation 174. Up to 14 conditions per place. [2024-11-19 05:57:57,320 INFO L140 encePairwiseOnDemand]: 156/159 looper letters, 10 selfloop transitions, 2 changer transitions 0/129 dead transitions. [2024-11-19 05:57:57,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 129 transitions, 307 flow [2024-11-19 05:57:57,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:57,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:57,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions. [2024-11-19 05:57:57,322 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9266247379454927 [2024-11-19 05:57:57,322 INFO L175 Difference]: Start difference. First operand has 130 places, 129 transitions, 282 flow. Second operand 3 states and 442 transitions. [2024-11-19 05:57:57,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 129 transitions, 307 flow [2024-11-19 05:57:57,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 129 transitions, 307 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:57:57,325 INFO L231 Difference]: Finished difference. Result has 131 places, 128 transitions, 284 flow [2024-11-19 05:57:57,326 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=284, PETRI_PLACES=131, PETRI_TRANSITIONS=128} [2024-11-19 05:57:57,327 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -7 predicate places. [2024-11-19 05:57:57,327 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 128 transitions, 284 flow [2024-11-19 05:57:57,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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) [2024-11-19 05:57:57,329 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:57,329 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:57,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:57:57,329 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:57:57,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:57,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1368511151, now seen corresponding path program 1 times [2024-11-19 05:57:57,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:57,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263373292] [2024-11-19 05:57:57,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:57,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:57,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:57,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:57,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263373292] [2024-11-19 05:57:57,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263373292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:57,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:57,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:57,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492002031] [2024-11-19 05:57:57,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:57,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:57,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:57,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:57,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:57,396 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 159 [2024-11-19 05:57:57,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 128 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 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) [2024-11-19 05:57:57,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:57,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 159 [2024-11-19 05:57:57,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:57,419 INFO L124 PetriNetUnfolderBase]: 12/170 cut-off events. [2024-11-19 05:57:57,421 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-19 05:57:57,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 170 events. 12/170 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 319 event pairs, 2 based on Foata normal form. 0/159 useless extension candidates. Maximal degree in co-relation 150. Up to 18 conditions per place. [2024-11-19 05:57:57,422 INFO L140 encePairwiseOnDemand]: 156/159 looper letters, 10 selfloop transitions, 2 changer transitions 0/128 dead transitions. [2024-11-19 05:57:57,422 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 128 transitions, 309 flow [2024-11-19 05:57:57,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:57,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:57,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions. [2024-11-19 05:57:57,424 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9266247379454927 [2024-11-19 05:57:57,424 INFO L175 Difference]: Start difference. First operand has 131 places, 128 transitions, 284 flow. Second operand 3 states and 442 transitions. [2024-11-19 05:57:57,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 128 transitions, 309 flow [2024-11-19 05:57:57,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 128 transitions, 305 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:57,427 INFO L231 Difference]: Finished difference. Result has 130 places, 127 transitions, 282 flow [2024-11-19 05:57:57,427 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=130, PETRI_TRANSITIONS=127} [2024-11-19 05:57:57,428 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -8 predicate places. [2024-11-19 05:57:57,429 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 127 transitions, 282 flow [2024-11-19 05:57:57,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 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) [2024-11-19 05:57:57,429 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:57,429 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:57,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:57:57,430 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:57:57,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:57,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1211871681, now seen corresponding path program 1 times [2024-11-19 05:57:57,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:57,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415042865] [2024-11-19 05:57:57,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:57,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:57,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:57,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:57,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415042865] [2024-11-19 05:57:57,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415042865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:57,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:57,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:57,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078835979] [2024-11-19 05:57:57,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:57,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:57,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:57,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:57,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:57,515 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 159 [2024-11-19 05:57:57,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 127 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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) [2024-11-19 05:57:57,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:57,516 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 159 [2024-11-19 05:57:57,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:57,537 INFO L124 PetriNetUnfolderBase]: 10/179 cut-off events. [2024-11-19 05:57:57,538 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-19 05:57:57,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 179 events. 10/179 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 356 event pairs, 1 based on Foata normal form. 0/169 useless extension candidates. Maximal degree in co-relation 156. Up to 8 conditions per place. [2024-11-19 05:57:57,539 INFO L140 encePairwiseOnDemand]: 155/159 looper letters, 10 selfloop transitions, 1 changer transitions 0/124 dead transitions. [2024-11-19 05:57:57,539 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 124 transitions, 298 flow [2024-11-19 05:57:57,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:57,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:57,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 437 transitions. [2024-11-19 05:57:57,541 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9161425576519916 [2024-11-19 05:57:57,541 INFO L175 Difference]: Start difference. First operand has 130 places, 127 transitions, 282 flow. Second operand 3 states and 437 transitions. [2024-11-19 05:57:57,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 124 transitions, 298 flow [2024-11-19 05:57:57,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 124 transitions, 294 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:57,548 INFO L231 Difference]: Finished difference. Result has 127 places, 124 transitions, 274 flow [2024-11-19 05:57:57,548 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=127, PETRI_TRANSITIONS=124} [2024-11-19 05:57:57,549 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -11 predicate places. [2024-11-19 05:57:57,549 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 124 transitions, 274 flow [2024-11-19 05:57:57,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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) [2024-11-19 05:57:57,551 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:57,551 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:57,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:57:57,551 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:57:57,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:57,553 INFO L85 PathProgramCache]: Analyzing trace with hash -621285704, now seen corresponding path program 1 times [2024-11-19 05:57:57,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:57,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794986168] [2024-11-19 05:57:57,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:57,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:57,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:57,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:57,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794986168] [2024-11-19 05:57:57,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794986168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:57,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:57,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:57,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274387375] [2024-11-19 05:57:57,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:57,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:57,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:57,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:57,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:57,626 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 159 [2024-11-19 05:57:57,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 124 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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) [2024-11-19 05:57:57,636 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:57,636 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 159 [2024-11-19 05:57:57,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:57,657 INFO L124 PetriNetUnfolderBase]: 10/180 cut-off events. [2024-11-19 05:57:57,658 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-19 05:57:57,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 180 events. 10/180 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 331 event pairs, 1 based on Foata normal form. 1/174 useless extension candidates. Maximal degree in co-relation 151. Up to 10 conditions per place. [2024-11-19 05:57:57,659 INFO L140 encePairwiseOnDemand]: 153/159 looper letters, 0 selfloop transitions, 0 changer transitions 123/123 dead transitions. [2024-11-19 05:57:57,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 123 transitions, 296 flow [2024-11-19 05:57:57,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:57,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:57,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 438 transitions. [2024-11-19 05:57:57,660 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9182389937106918 [2024-11-19 05:57:57,660 INFO L175 Difference]: Start difference. First operand has 127 places, 124 transitions, 274 flow. Second operand 3 states and 438 transitions. [2024-11-19 05:57:57,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 123 transitions, 296 flow [2024-11-19 05:57:57,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 123 transitions, 295 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:57:57,661 INFO L231 Difference]: Finished difference. Result has 125 places, 0 transitions, 0 flow [2024-11-19 05:57:57,662 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=125, PETRI_TRANSITIONS=0} [2024-11-19 05:57:57,663 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -13 predicate places. [2024-11-19 05:57:57,663 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 0 transitions, 0 flow [2024-11-19 05:57:57,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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) [2024-11-19 05:57:57,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (25 of 26 remaining) [2024-11-19 05:57:57,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (24 of 26 remaining) [2024-11-19 05:57:57,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (23 of 26 remaining) [2024-11-19 05:57:57,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (22 of 26 remaining) [2024-11-19 05:57:57,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 26 remaining) [2024-11-19 05:57:57,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 26 remaining) [2024-11-19 05:57:57,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 26 remaining) [2024-11-19 05:57:57,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 26 remaining) [2024-11-19 05:57:57,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 26 remaining) [2024-11-19 05:57:57,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 26 remaining) [2024-11-19 05:57:57,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 26 remaining) [2024-11-19 05:57:57,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 26 remaining) [2024-11-19 05:57:57,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 26 remaining) [2024-11-19 05:57:57,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (12 of 26 remaining) [2024-11-19 05:57:57,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (11 of 26 remaining) [2024-11-19 05:57:57,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (10 of 26 remaining) [2024-11-19 05:57:57,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 26 remaining) [2024-11-19 05:57:57,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 26 remaining) [2024-11-19 05:57:57,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 26 remaining) [2024-11-19 05:57:57,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (6 of 26 remaining) [2024-11-19 05:57:57,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (5 of 26 remaining) [2024-11-19 05:57:57,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (4 of 26 remaining) [2024-11-19 05:57:57,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 26 remaining) [2024-11-19 05:57:57,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 26 remaining) [2024-11-19 05:57:57,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 26 remaining) [2024-11-19 05:57:57,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (0 of 26 remaining) [2024-11-19 05:57:57,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:57:57,672 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:57,682 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 05:57:57,682 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 05:57:57,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:57:57 BasicIcfg [2024-11-19 05:57:57,688 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 05:57:57,688 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 05:57:57,688 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 05:57:57,688 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 05:57:57,689 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:57:56" (3/4) ... [2024-11-19 05:57:57,690 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 05:57:57,693 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-19 05:57:57,693 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-19 05:57:57,697 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-19 05:57:57,698 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 05:57:57,698 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 05:57:57,698 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 05:57:57,774 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 05:57:57,774 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 05:57:57,774 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 05:57:57,775 INFO L158 Benchmark]: Toolchain (without parser) took 2345.45ms. Allocated memory was 165.7MB in the beginning and 213.9MB in the end (delta: 48.2MB). Free memory was 102.6MB in the beginning and 167.2MB in the end (delta: -64.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 05:57:57,775 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 05:57:57,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.16ms. Allocated memory is still 165.7MB. Free memory was 102.6MB in the beginning and 134.1MB in the end (delta: -31.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 05:57:57,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.49ms. Allocated memory is still 165.7MB. Free memory was 134.1MB in the beginning and 132.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 05:57:57,776 INFO L158 Benchmark]: Boogie Preprocessor took 20.26ms. Allocated memory is still 165.7MB. Free memory was 132.0MB in the beginning and 130.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 05:57:57,776 INFO L158 Benchmark]: RCFGBuilder took 404.04ms. Allocated memory is still 165.7MB. Free memory was 130.8MB in the beginning and 114.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 05:57:57,776 INFO L158 Benchmark]: TraceAbstraction took 1483.48ms. Allocated memory was 165.7MB in the beginning and 213.9MB in the end (delta: 48.2MB). Free memory was 114.0MB in the beginning and 172.4MB in the end (delta: -58.4MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2024-11-19 05:57:57,776 INFO L158 Benchmark]: Witness Printer took 85.95ms. Allocated memory is still 213.9MB. Free memory was 172.4MB in the beginning and 167.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 05:57:57,777 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.16ms. Allocated memory is still 165.7MB. Free memory was 102.6MB in the beginning and 134.1MB in the end (delta: -31.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.49ms. Allocated memory is still 165.7MB. Free memory was 134.1MB in the beginning and 132.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.26ms. Allocated memory is still 165.7MB. Free memory was 132.0MB in the beginning and 130.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 404.04ms. Allocated memory is still 165.7MB. Free memory was 130.8MB in the beginning and 114.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1483.48ms. Allocated memory was 165.7MB in the beginning and 213.9MB in the end (delta: 48.2MB). Free memory was 114.0MB in the beginning and 172.4MB in the end (delta: -58.4MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. * Witness Printer took 85.95ms. Allocated memory is still 213.9MB. Free memory was 172.4MB in the beginning and 167.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 200 locations, 26 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: 1.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 203 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 193 IncrementalHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 56 mSDtfsCounter, 193 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=286occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 368 ConstructedInterpolants, 0 QuantifiedInterpolants, 384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-19 05:57:57,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE