./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.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 9010a499ef96f31ef98b99a567d66bd11342d64ef955a852686bd9085f4ce268 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:54:23,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:54:23,901 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:54:23,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:54:23,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:54:23,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:54:23,938 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:54:23,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:54:23,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:54:23,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:54:23,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:54:23,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:54:23,950 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:54:23,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:54:23,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:54:23,952 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:54:23,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:54:23,952 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:54:23,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:54:23,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:54:23,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:54:23,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:54:23,956 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:54:23,956 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:54:23,957 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:54:23,957 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:54:23,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:54:23,957 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:54:23,957 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:54:23,957 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:54:23,958 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:54:23,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:54:23,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:54:23,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:54:23,958 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:54:23,958 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:54:23,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:54:23,959 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:54:23,959 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:54:23,959 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:54:23,960 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:54:23,961 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9010a499ef96f31ef98b99a567d66bd11342d64ef955a852686bd9085f4ce268 [2024-11-20 13:54:24,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:54:24,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:54:24,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:54:24,172 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:54:24,173 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:54:24,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2024-11-20 13:54:25,487 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:54:25,656 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:54:25,657 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2024-11-20 13:54:25,663 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03780b25d/f1d1ed6bd57641289d6f9db5363651c6/FLAG0ef8ed604 [2024-11-20 13:54:25,675 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03780b25d/f1d1ed6bd57641289d6f9db5363651c6 [2024-11-20 13:54:25,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:54:25,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:54:25,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:54:25,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:54:25,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:54:25,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:54:25" (1/1) ... [2024-11-20 13:54:25,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e857e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:25, skipping insertion in model container [2024-11-20 13:54:25,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:54:25" (1/1) ... [2024-11-20 13:54:25,701 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:54:25,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:54:25,853 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:54:25,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:54:25,883 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:54:25,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:25 WrapperNode [2024-11-20 13:54:25,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:54:25,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:54:25,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:54:25,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:54:25,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:25" (1/1) ... [2024-11-20 13:54:25,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:25" (1/1) ... [2024-11-20 13:54:25,912 INFO L138 Inliner]: procedures = 19, calls = 16, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 105 [2024-11-20 13:54:25,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:54:25,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:54:25,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:54:25,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:54:25,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:25" (1/1) ... [2024-11-20 13:54:25,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:25" (1/1) ... [2024-11-20 13:54:25,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:25" (1/1) ... [2024-11-20 13:54:25,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:25" (1/1) ... [2024-11-20 13:54:25,926 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:25" (1/1) ... [2024-11-20 13:54:25,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:25" (1/1) ... [2024-11-20 13:54:25,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:25" (1/1) ... [2024-11-20 13:54:25,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:25" (1/1) ... [2024-11-20 13:54:25,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:54:25,933 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:54:25,933 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:54:25,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:54:25,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:25" (1/1) ... [2024-11-20 13:54:25,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:54:25,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:54:25,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 13:54:25,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 13:54:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:54:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-20 13:54:26,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-20 13:54:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-20 13:54:26,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-20 13:54:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:54:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-20 13:54:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-20 13:54:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:54:26,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:54:26,002 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 13:54:26,145 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:54:26,146 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:54:26,380 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:54:26,380 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:54:26,471 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:54:26,471 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 13:54:26,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:54:26 BoogieIcfgContainer [2024-11-20 13:54:26,473 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:54:26,474 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:54:26,476 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:54:26,478 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:54:26,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:54:25" (1/3) ... [2024-11-20 13:54:26,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640bc6a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:54:26, skipping insertion in model container [2024-11-20 13:54:26,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:25" (2/3) ... [2024-11-20 13:54:26,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640bc6a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:54:26, skipping insertion in model container [2024-11-20 13:54:26,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:54:26" (3/3) ... [2024-11-20 13:54:26,481 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled-atomic.wvr.c [2024-11-20 13:54:26,493 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:54:26,494 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2024-11-20 13:54:26,495 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:54:26,556 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-20 13:54:26,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 176 places, 179 transitions, 372 flow [2024-11-20 13:54:26,641 INFO L124 PetriNetUnfolderBase]: 10/177 cut-off events. [2024-11-20 13:54:26,642 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 13:54:26,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 177 events. 10/177 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 196 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 134. Up to 2 conditions per place. [2024-11-20 13:54:26,648 INFO L82 GeneralOperation]: Start removeDead. Operand has 176 places, 179 transitions, 372 flow [2024-11-20 13:54:26,654 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 158 places, 160 transitions, 332 flow [2024-11-20 13:54:26,661 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:54:26,666 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;@6344672a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:54:26,666 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-11-20 13:54:26,673 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:54:26,673 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-20 13:54:26,674 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:54:26,674 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:26,675 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] [2024-11-20 13:54:26,675 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-20 13:54:26,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:26,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1446473199, now seen corresponding path program 1 times [2024-11-20 13:54:26,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:26,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419679711] [2024-11-20 13:54:26,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:26,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:26,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:54:26,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:26,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419679711] [2024-11-20 13:54:26,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419679711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:26,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:26,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:26,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936904545] [2024-11-20 13:54:26,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:26,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:26,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:26,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:26,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:26,901 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 179 [2024-11-20 13:54:26,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 160 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:54:26,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:26,904 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 179 [2024-11-20 13:54:26,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:26,949 INFO L124 PetriNetUnfolderBase]: 12/179 cut-off events. [2024-11-20 13:54:26,949 INFO L125 PetriNetUnfolderBase]: For 16/17 co-relation queries the response was YES. [2024-11-20 13:54:26,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 179 events. 12/179 cut-off events. For 16/17 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 230 event pairs, 0 based on Foata normal form. 11/159 useless extension candidates. Maximal degree in co-relation 132. Up to 24 conditions per place. [2024-11-20 13:54:26,952 INFO L140 encePairwiseOnDemand]: 156/179 looper letters, 13 selfloop transitions, 2 changer transitions 2/139 dead transitions. [2024-11-20 13:54:26,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 139 transitions, 320 flow [2024-11-20 13:54:26,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:26,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 456 transitions. [2024-11-20 13:54:26,966 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8491620111731844 [2024-11-20 13:54:26,968 INFO L175 Difference]: Start difference. First operand has 158 places, 160 transitions, 332 flow. Second operand 3 states and 456 transitions. [2024-11-20 13:54:26,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 139 transitions, 320 flow [2024-11-20 13:54:26,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 139 transitions, 312 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-20 13:54:26,974 INFO L231 Difference]: Finished difference. Result has 139 places, 137 transitions, 282 flow [2024-11-20 13:54:26,976 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=139, PETRI_TRANSITIONS=137} [2024-11-20 13:54:26,981 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -19 predicate places. [2024-11-20 13:54:26,984 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 137 transitions, 282 flow [2024-11-20 13:54:26,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:54:26,985 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:26,985 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] [2024-11-20 13:54:26,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:54:26,985 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-20 13:54:26,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:26,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1600587227, now seen corresponding path program 1 times [2024-11-20 13:54:26,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:26,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810141190] [2024-11-20 13:54:26,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:26,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:27,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:54:27,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:27,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810141190] [2024-11-20 13:54:27,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810141190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:27,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:27,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:27,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359531167] [2024-11-20 13:54:27,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:27,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:27,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:27,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:27,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:27,047 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 179 [2024-11-20 13:54:27,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 137 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) [2024-11-20 13:54:27,048 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:27,048 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 179 [2024-11-20 13:54:27,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:27,107 INFO L124 PetriNetUnfolderBase]: 14/179 cut-off events. [2024-11-20 13:54:27,107 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-20 13:54:27,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 179 events. 14/179 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 239 event pairs, 3 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 186. Up to 26 conditions per place. [2024-11-20 13:54:27,109 INFO L140 encePairwiseOnDemand]: 176/179 looper letters, 11 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2024-11-20 13:54:27,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 136 transitions, 306 flow [2024-11-20 13:54:27,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:27,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:27,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2024-11-20 13:54:27,111 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.819366852886406 [2024-11-20 13:54:27,111 INFO L175 Difference]: Start difference. First operand has 139 places, 137 transitions, 282 flow. Second operand 3 states and 440 transitions. [2024-11-20 13:54:27,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 136 transitions, 306 flow [2024-11-20 13:54:27,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 136 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:54:27,114 INFO L231 Difference]: Finished difference. Result has 136 places, 136 transitions, 280 flow [2024-11-20 13:54:27,114 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=280, PETRI_PLACES=136, PETRI_TRANSITIONS=136} [2024-11-20 13:54:27,114 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -22 predicate places. [2024-11-20 13:54:27,115 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 136 transitions, 280 flow [2024-11-20 13:54:27,115 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) [2024-11-20 13:54:27,115 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:27,115 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] [2024-11-20 13:54:27,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:54:27,115 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-20 13:54:27,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:27,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1108863031, now seen corresponding path program 1 times [2024-11-20 13:54:27,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:27,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948401334] [2024-11-20 13:54:27,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:27,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:27,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:54:27,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:27,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948401334] [2024-11-20 13:54:27,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948401334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:27,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:27,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:27,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425801072] [2024-11-20 13:54:27,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:27,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:27,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:27,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:27,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:27,171 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 179 [2024-11-20 13:54:27,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 136 transitions, 280 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) [2024-11-20 13:54:27,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:27,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 179 [2024-11-20 13:54:27,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:27,202 INFO L124 PetriNetUnfolderBase]: 15/179 cut-off events. [2024-11-20 13:54:27,202 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-20 13:54:27,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 179 events. 15/179 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 265 event pairs, 2 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 178. Up to 27 conditions per place. [2024-11-20 13:54:27,203 INFO L140 encePairwiseOnDemand]: 176/179 looper letters, 11 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2024-11-20 13:54:27,203 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 135 transitions, 304 flow [2024-11-20 13:54:27,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:27,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:27,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2024-11-20 13:54:27,205 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.819366852886406 [2024-11-20 13:54:27,205 INFO L175 Difference]: Start difference. First operand has 136 places, 136 transitions, 280 flow. Second operand 3 states and 440 transitions. [2024-11-20 13:54:27,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 135 transitions, 304 flow [2024-11-20 13:54:27,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 135 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:54:27,207 INFO L231 Difference]: Finished difference. Result has 135 places, 135 transitions, 278 flow [2024-11-20 13:54:27,208 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=135, PETRI_TRANSITIONS=135} [2024-11-20 13:54:27,208 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -23 predicate places. [2024-11-20 13:54:27,208 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 135 transitions, 278 flow [2024-11-20 13:54:27,209 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) [2024-11-20 13:54:27,209 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:27,209 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] [2024-11-20 13:54:27,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:54:27,209 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-20 13:54:27,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:27,210 INFO L85 PathProgramCache]: Analyzing trace with hash -312737726, now seen corresponding path program 1 times [2024-11-20 13:54:27,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:27,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693870849] [2024-11-20 13:54:27,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:27,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:27,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:54:27,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:27,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693870849] [2024-11-20 13:54:27,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693870849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:27,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:27,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:27,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166185591] [2024-11-20 13:54:27,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:27,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:27,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:27,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:27,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:27,263 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 179 [2024-11-20 13:54:27,264 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 135 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:54:27,264 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:27,264 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 179 [2024-11-20 13:54:27,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:27,288 INFO L124 PetriNetUnfolderBase]: 17/181 cut-off events. [2024-11-20 13:54:27,288 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-20 13:54:27,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 181 events. 17/181 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 271 event pairs, 6 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 180. Up to 34 conditions per place. [2024-11-20 13:54:27,290 INFO L140 encePairwiseOnDemand]: 176/179 looper letters, 13 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2024-11-20 13:54:27,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 134 transitions, 306 flow [2024-11-20 13:54:27,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:27,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:27,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 436 transitions. [2024-11-20 13:54:27,291 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8119180633147114 [2024-11-20 13:54:27,291 INFO L175 Difference]: Start difference. First operand has 135 places, 135 transitions, 278 flow. Second operand 3 states and 436 transitions. [2024-11-20 13:54:27,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 134 transitions, 306 flow [2024-11-20 13:54:27,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 134 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:54:27,293 INFO L231 Difference]: Finished difference. Result has 134 places, 134 transitions, 276 flow [2024-11-20 13:54:27,294 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=132, 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=276, PETRI_PLACES=134, PETRI_TRANSITIONS=134} [2024-11-20 13:54:27,294 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -24 predicate places. [2024-11-20 13:54:27,294 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 134 transitions, 276 flow [2024-11-20 13:54:27,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:54:27,295 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:27,295 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:54:27,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 13:54:27,295 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-20 13:54:27,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:27,296 INFO L85 PathProgramCache]: Analyzing trace with hash -471507462, now seen corresponding path program 1 times [2024-11-20 13:54:27,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:27,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711967718] [2024-11-20 13:54:27,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:27,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:27,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:54:27,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:27,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711967718] [2024-11-20 13:54:27,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711967718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:27,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:27,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:27,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584766631] [2024-11-20 13:54:27,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:27,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:27,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:27,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:27,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:27,345 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 179 [2024-11-20 13:54:27,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 134 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:54:27,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:27,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 179 [2024-11-20 13:54:27,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:27,370 INFO L124 PetriNetUnfolderBase]: 16/198 cut-off events. [2024-11-20 13:54:27,370 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-20 13:54:27,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238 conditions, 198 events. 16/198 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 379 event pairs, 0 based on Foata normal form. 1/170 useless extension candidates. Maximal degree in co-relation 186. Up to 21 conditions per place. [2024-11-20 13:54:27,371 INFO L140 encePairwiseOnDemand]: 171/179 looper letters, 13 selfloop transitions, 3 changer transitions 4/136 dead transitions. [2024-11-20 13:54:27,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 136 transitions, 323 flow [2024-11-20 13:54:27,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:27,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:27,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 438 transitions. [2024-11-20 13:54:27,372 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8156424581005587 [2024-11-20 13:54:27,372 INFO L175 Difference]: Start difference. First operand has 134 places, 134 transitions, 276 flow. Second operand 3 states and 438 transitions. [2024-11-20 13:54:27,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 136 transitions, 323 flow [2024-11-20 13:54:27,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 136 transitions, 319 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:54:27,375 INFO L231 Difference]: Finished difference. Result has 131 places, 130 transitions, 276 flow [2024-11-20 13:54:27,375 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=131, PETRI_TRANSITIONS=130} [2024-11-20 13:54:27,376 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -27 predicate places. [2024-11-20 13:54:27,376 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 130 transitions, 276 flow [2024-11-20 13:54:27,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:54:27,376 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:27,376 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:54:27,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 13:54:27,376 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-20 13:54:27,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:27,377 INFO L85 PathProgramCache]: Analyzing trace with hash -2147086626, now seen corresponding path program 1 times [2024-11-20 13:54:27,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:27,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84981971] [2024-11-20 13:54:27,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:27,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:27,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:54:27,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:27,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84981971] [2024-11-20 13:54:27,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84981971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:27,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:27,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:27,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749045189] [2024-11-20 13:54:27,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:27,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:27,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:27,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:27,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:27,413 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 179 [2024-11-20 13:54:27,414 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 130 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:54:27,414 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:27,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 179 [2024-11-20 13:54:27,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:27,436 INFO L124 PetriNetUnfolderBase]: 23/206 cut-off events. [2024-11-20 13:54:27,436 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-20 13:54:27,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 206 events. 23/206 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 445 event pairs, 7 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 110. Up to 33 conditions per place. [2024-11-20 13:54:27,437 INFO L140 encePairwiseOnDemand]: 174/179 looper letters, 11 selfloop transitions, 4 changer transitions 0/131 dead transitions. [2024-11-20 13:54:27,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 131 transitions, 311 flow [2024-11-20 13:54:27,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:27,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:27,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 447 transitions. [2024-11-20 13:54:27,439 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8324022346368715 [2024-11-20 13:54:27,439 INFO L175 Difference]: Start difference. First operand has 131 places, 130 transitions, 276 flow. Second operand 3 states and 447 transitions. [2024-11-20 13:54:27,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 131 transitions, 311 flow [2024-11-20 13:54:27,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 131 transitions, 308 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:54:27,441 INFO L231 Difference]: Finished difference. Result has 129 places, 129 transitions, 285 flow [2024-11-20 13:54:27,441 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=285, PETRI_PLACES=129, PETRI_TRANSITIONS=129} [2024-11-20 13:54:27,442 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -29 predicate places. [2024-11-20 13:54:27,442 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 129 transitions, 285 flow [2024-11-20 13:54:27,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:54:27,442 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:27,442 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:54:27,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 13:54:27,443 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-20 13:54:27,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:27,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1347535776, now seen corresponding path program 1 times [2024-11-20 13:54:27,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:27,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347891197] [2024-11-20 13:54:27,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:27,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:27,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:54:27,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:27,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347891197] [2024-11-20 13:54:27,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347891197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:27,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:27,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:27,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631202467] [2024-11-20 13:54:27,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:27,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:27,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:27,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:27,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:27,481 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 179 [2024-11-20 13:54:27,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 129 transitions, 285 flow. Second operand has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:54:27,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:27,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 179 [2024-11-20 13:54:27,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:27,538 INFO L124 PetriNetUnfolderBase]: 32/266 cut-off events. [2024-11-20 13:54:27,539 INFO L125 PetriNetUnfolderBase]: For 108/115 co-relation queries the response was YES. [2024-11-20 13:54:27,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 266 events. 32/266 cut-off events. For 108/115 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 733 event pairs, 4 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 184. Up to 38 conditions per place. [2024-11-20 13:54:27,541 INFO L140 encePairwiseOnDemand]: 174/179 looper letters, 14 selfloop transitions, 4 changer transitions 0/133 dead transitions. [2024-11-20 13:54:27,541 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 133 transitions, 342 flow [2024-11-20 13:54:27,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:27,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:27,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 449 transitions. [2024-11-20 13:54:27,543 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8361266294227188 [2024-11-20 13:54:27,544 INFO L175 Difference]: Start difference. First operand has 129 places, 129 transitions, 285 flow. Second operand 3 states and 449 transitions. [2024-11-20 13:54:27,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 133 transitions, 342 flow [2024-11-20 13:54:27,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 133 transitions, 336 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:54:27,546 INFO L231 Difference]: Finished difference. Result has 129 places, 128 transitions, 293 flow [2024-11-20 13:54:27,546 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=277, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=293, PETRI_PLACES=129, PETRI_TRANSITIONS=128} [2024-11-20 13:54:27,547 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -29 predicate places. [2024-11-20 13:54:27,548 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 128 transitions, 293 flow [2024-11-20 13:54:27,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:54:27,548 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:27,548 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] [2024-11-20 13:54:27,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 13:54:27,549 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-20 13:54:27,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:27,549 INFO L85 PathProgramCache]: Analyzing trace with hash -163662633, now seen corresponding path program 1 times [2024-11-20 13:54:27,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:27,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762257659] [2024-11-20 13:54:27,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:27,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:27,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:54:27,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:27,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762257659] [2024-11-20 13:54:27,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762257659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:27,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:27,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:27,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605618233] [2024-11-20 13:54:27,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:27,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:27,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:27,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:27,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:27,612 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 179 [2024-11-20 13:54:27,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 128 transitions, 293 flow. Second operand has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:54:27,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:27,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 179 [2024-11-20 13:54:27,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:27,642 INFO L124 PetriNetUnfolderBase]: 50/339 cut-off events. [2024-11-20 13:54:27,642 INFO L125 PetriNetUnfolderBase]: For 100/100 co-relation queries the response was YES. [2024-11-20 13:54:27,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531 conditions, 339 events. 50/339 cut-off events. For 100/100 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1233 event pairs, 27 based on Foata normal form. 0/310 useless extension candidates. Maximal degree in co-relation 224. Up to 104 conditions per place. [2024-11-20 13:54:27,644 INFO L140 encePairwiseOnDemand]: 174/179 looper letters, 0 selfloop transitions, 0 changer transitions 124/124 dead transitions. [2024-11-20 13:54:27,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 124 transitions, 317 flow [2024-11-20 13:54:27,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:27,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:27,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 432 transitions. [2024-11-20 13:54:27,645 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8044692737430168 [2024-11-20 13:54:27,645 INFO L175 Difference]: Start difference. First operand has 129 places, 128 transitions, 293 flow. Second operand 3 states and 432 transitions. [2024-11-20 13:54:27,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 124 transitions, 317 flow [2024-11-20 13:54:27,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 124 transitions, 313 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:54:27,647 INFO L231 Difference]: Finished difference. Result has 126 places, 0 transitions, 0 flow [2024-11-20 13:54:27,647 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=281, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=126, PETRI_TRANSITIONS=0} [2024-11-20 13:54:27,648 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -32 predicate places. [2024-11-20 13:54:27,648 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 0 transitions, 0 flow [2024-11-20 13:54:27,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:54:27,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (53 of 54 remaining) [2024-11-20 13:54:27,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2024-11-20 13:54:27,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2024-11-20 13:54:27,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2024-11-20 13:54:27,653 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2024-11-20 13:54:27,653 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2024-11-20 13:54:27,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2024-11-20 13:54:27,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2024-11-20 13:54:27,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2024-11-20 13:54:27,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2024-11-20 13:54:27,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2024-11-20 13:54:27,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2024-11-20 13:54:27,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2024-11-20 13:54:27,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2024-11-20 13:54:27,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2024-11-20 13:54:27,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2024-11-20 13:54:27,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2024-11-20 13:54:27,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2024-11-20 13:54:27,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2024-11-20 13:54:27,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2024-11-20 13:54:27,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2024-11-20 13:54:27,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2024-11-20 13:54:27,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2024-11-20 13:54:27,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2024-11-20 13:54:27,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2024-11-20 13:54:27,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2024-11-20 13:54:27,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2024-11-20 13:54:27,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2024-11-20 13:54:27,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2024-11-20 13:54:27,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2024-11-20 13:54:27,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2024-11-20 13:54:27,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2024-11-20 13:54:27,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 54 remaining) [2024-11-20 13:54:27,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 54 remaining) [2024-11-20 13:54:27,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2024-11-20 13:54:27,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2024-11-20 13:54:27,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2024-11-20 13:54:27,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2024-11-20 13:54:27,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2024-11-20 13:54:27,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2024-11-20 13:54:27,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2024-11-20 13:54:27,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2024-11-20 13:54:27,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2024-11-20 13:54:27,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2024-11-20 13:54:27,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2024-11-20 13:54:27,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2024-11-20 13:54:27,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2024-11-20 13:54:27,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2024-11-20 13:54:27,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2024-11-20 13:54:27,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2024-11-20 13:54:27,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2024-11-20 13:54:27,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2024-11-20 13:54:27,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2024-11-20 13:54:27,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2024-11-20 13:54:27,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 13:54:27,665 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:54:27,670 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 13:54:27,671 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 13:54:27,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:54:27 BasicIcfg [2024-11-20 13:54:27,678 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 13:54:27,679 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 13:54:27,679 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 13:54:27,679 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 13:54:27,680 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:54:26" (3/4) ... [2024-11-20 13:54:27,681 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 13:54:27,683 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-20 13:54:27,683 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-20 13:54:27,688 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-20 13:54:27,689 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-20 13:54:27,689 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 13:54:27,689 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 13:54:27,766 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 13:54:27,769 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 13:54:27,770 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 13:54:27,770 INFO L158 Benchmark]: Toolchain (without parser) took 2092.23ms. Allocated memory is still 188.7MB. Free memory was 120.9MB in the beginning and 116.7MB in the end (delta: 4.2MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-20 13:54:27,770 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 121.6MB. Free memory was 87.7MB in the beginning and 87.6MB in the end (delta: 78.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:54:27,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.19ms. Allocated memory is still 188.7MB. Free memory was 120.7MB in the beginning and 107.3MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 13:54:27,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.81ms. Allocated memory is still 188.7MB. Free memory was 107.3MB in the beginning and 105.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:54:27,771 INFO L158 Benchmark]: Boogie Preprocessor took 19.16ms. Allocated memory is still 188.7MB. Free memory was 105.6MB in the beginning and 104.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:54:27,771 INFO L158 Benchmark]: RCFGBuilder took 540.36ms. Allocated memory is still 188.7MB. Free memory was 104.0MB in the beginning and 133.8MB in the end (delta: -29.7MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-11-20 13:54:27,771 INFO L158 Benchmark]: TraceAbstraction took 1203.76ms. Allocated memory is still 188.7MB. Free memory was 132.7MB in the beginning and 121.9MB in the end (delta: 10.8MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-11-20 13:54:27,771 INFO L158 Benchmark]: Witness Printer took 90.96ms. Allocated memory is still 188.7MB. Free memory was 121.9MB in the beginning and 116.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 13:54:27,772 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 121.6MB. Free memory was 87.7MB in the beginning and 87.6MB in the end (delta: 78.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.19ms. Allocated memory is still 188.7MB. Free memory was 120.7MB in the beginning and 107.3MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.81ms. Allocated memory is still 188.7MB. Free memory was 107.3MB in the beginning and 105.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.16ms. Allocated memory is still 188.7MB. Free memory was 105.6MB in the beginning and 104.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 540.36ms. Allocated memory is still 188.7MB. Free memory was 104.0MB in the beginning and 133.8MB in the end (delta: -29.7MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1203.76ms. Allocated memory is still 188.7MB. Free memory was 132.7MB in the beginning and 121.9MB in the end (delta: 10.8MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Witness Printer took 90.96ms. Allocated memory is still 188.7MB. Free memory was 121.9MB in the beginning and 116.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: 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: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: 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, 212 locations, 54 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: 1.1s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 207 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 224 IncrementalHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 47 mSDtfsCounter, 224 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=332occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 346 NumberOfCodeBlocks, 346 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 354 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 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-20 13:54:27,793 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