./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f 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 ../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-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:57:38,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:57:38,603 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:57:38,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:57:38,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:57:38,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:57:38,634 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:57:38,634 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:57:38,635 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:57:38,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:57:38,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:57:38,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:57:38,638 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:57:38,638 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:57:38,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:57:38,639 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:57:38,641 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:57:38,642 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:57:38,642 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:57:38,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:57:38,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:57:38,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:57:38,646 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:57:38,646 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:57:38,646 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:57:38,646 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:57:38,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:57:38,647 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:57:38,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:57:38,647 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:57:38,647 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:57:38,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:57:38,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:57:38,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:57:38,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:57:38,648 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:57:38,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:57:38,649 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:57:38,651 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:57:38,651 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:57:38,651 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:57:38,652 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9010a499ef96f31ef98b99a567d66bd11342d64ef955a852686bd9085f4ce268 [2024-11-22 17:57:38,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:57:38,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:57:38,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:57:38,950 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:57:38,950 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:57:38,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2024-11-22 17:57:40,368 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:57:40,545 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:57:40,546 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2024-11-22 17:57:40,555 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/383252ef6/b508d7e22f4e4e8bb995f71f29a6509f/FLAGb6869fac9 [2024-11-22 17:57:40,574 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/383252ef6/b508d7e22f4e4e8bb995f71f29a6509f [2024-11-22 17:57:40,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:57:40,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:57:40,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:57:40,580 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:57:40,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:57:40,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:57:40" (1/1) ... [2024-11-22 17:57:40,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7210bd4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:40, skipping insertion in model container [2024-11-22 17:57:40,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:57:40" (1/1) ... [2024-11-22 17:57:40,614 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:57:40,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:57:40,866 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:57:40,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:57:40,942 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:57:40,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:40 WrapperNode [2024-11-22 17:57:40,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:57:40,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:57:40,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:57:40,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:57:40,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:40" (1/1) ... [2024-11-22 17:57:40,965 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:40" (1/1) ... [2024-11-22 17:57:40,990 INFO L138 Inliner]: procedures = 19, calls = 16, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 105 [2024-11-22 17:57:40,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:57:40,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:57:40,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:57:40,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:57:41,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:40" (1/1) ... [2024-11-22 17:57:41,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:40" (1/1) ... [2024-11-22 17:57:41,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:40" (1/1) ... [2024-11-22 17:57:41,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:40" (1/1) ... [2024-11-22 17:57:41,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:40" (1/1) ... [2024-11-22 17:57:41,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:40" (1/1) ... [2024-11-22 17:57:41,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:40" (1/1) ... [2024-11-22 17:57:41,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:40" (1/1) ... [2024-11-22 17:57:41,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:57:41,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:57:41,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:57:41,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:57:41,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:40" (1/1) ... [2024-11-22 17:57:41,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:57:41,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:57:41,082 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) [2024-11-22 17:57:41,086 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 [2024-11-22 17:57:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:57:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-22 17:57:41,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-22 17:57:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-22 17:57:41,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-22 17:57:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:57:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-22 17:57:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-22 17:57:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:57:41,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:57:41,132 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:57:41,214 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:57:41,215 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:57:41,514 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:57:41,514 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:57:41,679 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:57:41,680 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-22 17:57:41,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:57:41 BoogieIcfgContainer [2024-11-22 17:57:41,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:57:41,682 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:57:41,682 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:57:41,685 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:57:41,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:57:40" (1/3) ... [2024-11-22 17:57:41,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6941046b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:57:41, skipping insertion in model container [2024-11-22 17:57:41,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:40" (2/3) ... [2024-11-22 17:57:41,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6941046b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:57:41, skipping insertion in model container [2024-11-22 17:57:41,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:57:41" (3/3) ... [2024-11-22 17:57:41,690 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled-atomic.wvr.c [2024-11-22 17:57:41,706 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:57:41,706 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2024-11-22 17:57:41,707 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:57:41,766 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-22 17:57:41,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 176 places, 179 transitions, 372 flow [2024-11-22 17:57:41,860 INFO L124 PetriNetUnfolderBase]: 10/177 cut-off events. [2024-11-22 17:57:41,860 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:57:41,866 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. [2024-11-22 17:57:41,867 INFO L82 GeneralOperation]: Start removeDead. Operand has 176 places, 179 transitions, 372 flow [2024-11-22 17:57:41,875 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 158 places, 160 transitions, 332 flow [2024-11-22 17:57:41,889 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:57:41,898 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;@7017a45f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:57:41,898 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-11-22 17:57:41,906 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:57:41,907 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-22 17:57:41,907 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:57:41,907 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:41,908 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] [2024-11-22 17:57:41,909 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)] === [2024-11-22 17:57:41,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:41,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1446473199, now seen corresponding path program 1 times [2024-11-22 17:57:41,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:41,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751226690] [2024-11-22 17:57:41,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:41,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:42,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:42,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751226690] [2024-11-22 17:57:42,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751226690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:42,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:42,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:42,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098273169] [2024-11-22 17:57:42,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:42,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:42,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:42,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:42,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:42,216 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 179 [2024-11-22 17:57:42,222 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) [2024-11-22 17:57:42,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:42,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 179 [2024-11-22 17:57:42,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:42,280 INFO L124 PetriNetUnfolderBase]: 12/179 cut-off events. [2024-11-22 17:57:42,280 INFO L125 PetriNetUnfolderBase]: For 16/17 co-relation queries the response was YES. [2024-11-22 17:57:42,281 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. [2024-11-22 17:57:42,283 INFO L140 encePairwiseOnDemand]: 156/179 looper letters, 13 selfloop transitions, 2 changer transitions 2/139 dead transitions. [2024-11-22 17:57:42,283 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 139 transitions, 320 flow [2024-11-22 17:57:42,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:42,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:42,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 456 transitions. [2024-11-22 17:57:42,298 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8491620111731844 [2024-11-22 17:57:42,301 INFO L175 Difference]: Start difference. First operand has 158 places, 160 transitions, 332 flow. Second operand 3 states and 456 transitions. [2024-11-22 17:57:42,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 139 transitions, 320 flow [2024-11-22 17:57:42,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 139 transitions, 312 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-22 17:57:42,311 INFO L231 Difference]: Finished difference. Result has 139 places, 137 transitions, 282 flow [2024-11-22 17:57:42,313 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} [2024-11-22 17:57:42,317 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -19 predicate places. [2024-11-22 17:57:42,319 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 137 transitions, 282 flow [2024-11-22 17:57:42,320 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) [2024-11-22 17:57:42,320 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:42,320 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] [2024-11-22 17:57:42,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:57:42,321 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)] === [2024-11-22 17:57:42,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:42,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1600587227, now seen corresponding path program 1 times [2024-11-22 17:57:42,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:42,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857732200] [2024-11-22 17:57:42,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:42,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:42,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:42,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:42,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857732200] [2024-11-22 17:57:42,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857732200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:42,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:42,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:42,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690951072] [2024-11-22 17:57:42,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:42,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:42,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:42,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:42,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:42,480 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 179 [2024-11-22 17:57:42,481 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) [2024-11-22 17:57:42,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:42,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 179 [2024-11-22 17:57:42,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:42,581 INFO L124 PetriNetUnfolderBase]: 14/179 cut-off events. [2024-11-22 17:57:42,581 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:57:42,582 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. [2024-11-22 17:57:42,583 INFO L140 encePairwiseOnDemand]: 176/179 looper letters, 11 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2024-11-22 17:57:42,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 136 transitions, 306 flow [2024-11-22 17:57:42,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:42,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:42,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2024-11-22 17:57:42,588 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.819366852886406 [2024-11-22 17:57:42,588 INFO L175 Difference]: Start difference. First operand has 139 places, 137 transitions, 282 flow. Second operand 3 states and 440 transitions. [2024-11-22 17:57:42,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 136 transitions, 306 flow [2024-11-22 17:57:42,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 136 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:42,596 INFO L231 Difference]: Finished difference. Result has 136 places, 136 transitions, 280 flow [2024-11-22 17:57:42,597 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} [2024-11-22 17:57:42,598 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -22 predicate places. [2024-11-22 17:57:42,598 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 136 transitions, 280 flow [2024-11-22 17:57:42,598 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) [2024-11-22 17:57:42,599 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:42,599 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] [2024-11-22 17:57:42,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:57:42,599 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)] === [2024-11-22 17:57:42,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:42,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1108863031, now seen corresponding path program 1 times [2024-11-22 17:57:42,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:42,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194339700] [2024-11-22 17:57:42,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:42,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:42,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:42,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:42,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194339700] [2024-11-22 17:57:42,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194339700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:42,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:42,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:42,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628508818] [2024-11-22 17:57:42,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:42,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:42,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:42,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:42,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:42,704 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 179 [2024-11-22 17:57:42,706 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) [2024-11-22 17:57:42,706 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:42,706 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 179 [2024-11-22 17:57:42,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:42,754 INFO L124 PetriNetUnfolderBase]: 15/179 cut-off events. [2024-11-22 17:57:42,755 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-22 17:57:42,756 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. [2024-11-22 17:57:42,757 INFO L140 encePairwiseOnDemand]: 176/179 looper letters, 11 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2024-11-22 17:57:42,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 135 transitions, 304 flow [2024-11-22 17:57:42,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:42,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:42,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2024-11-22 17:57:42,762 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.819366852886406 [2024-11-22 17:57:42,764 INFO L175 Difference]: Start difference. First operand has 136 places, 136 transitions, 280 flow. Second operand 3 states and 440 transitions. [2024-11-22 17:57:42,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 135 transitions, 304 flow [2024-11-22 17:57:42,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 135 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:42,768 INFO L231 Difference]: Finished difference. Result has 135 places, 135 transitions, 278 flow [2024-11-22 17:57:42,769 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} [2024-11-22 17:57:42,770 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -23 predicate places. [2024-11-22 17:57:42,770 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 135 transitions, 278 flow [2024-11-22 17:57:42,771 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) [2024-11-22 17:57:42,771 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:42,771 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] [2024-11-22 17:57:42,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:57:42,771 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)] === [2024-11-22 17:57:42,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:42,772 INFO L85 PathProgramCache]: Analyzing trace with hash -312737726, now seen corresponding path program 1 times [2024-11-22 17:57:42,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:42,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423984928] [2024-11-22 17:57:42,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:42,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:42,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:42,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:42,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423984928] [2024-11-22 17:57:42,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423984928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:42,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:42,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:42,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759638132] [2024-11-22 17:57:42,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:42,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:42,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:42,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:42,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:42,863 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 179 [2024-11-22 17:57:42,864 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) [2024-11-22 17:57:42,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:42,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 179 [2024-11-22 17:57:42,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:42,901 INFO L124 PetriNetUnfolderBase]: 17/181 cut-off events. [2024-11-22 17:57:42,901 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:57:42,903 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. [2024-11-22 17:57:42,904 INFO L140 encePairwiseOnDemand]: 176/179 looper letters, 13 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2024-11-22 17:57:42,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 134 transitions, 306 flow [2024-11-22 17:57:42,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:42,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:42,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 436 transitions. [2024-11-22 17:57:42,907 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8119180633147114 [2024-11-22 17:57:42,907 INFO L175 Difference]: Start difference. First operand has 135 places, 135 transitions, 278 flow. Second operand 3 states and 436 transitions. [2024-11-22 17:57:42,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 134 transitions, 306 flow [2024-11-22 17:57:42,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 134 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:42,911 INFO L231 Difference]: Finished difference. Result has 134 places, 134 transitions, 276 flow [2024-11-22 17:57:42,911 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} [2024-11-22 17:57:42,912 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -24 predicate places. [2024-11-22 17:57:42,913 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 134 transitions, 276 flow [2024-11-22 17:57:42,913 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) [2024-11-22 17:57:42,913 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:42,913 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] [2024-11-22 17:57:42,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:57:42,915 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)] === [2024-11-22 17:57:42,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:42,915 INFO L85 PathProgramCache]: Analyzing trace with hash -471507462, now seen corresponding path program 1 times [2024-11-22 17:57:42,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:42,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457506650] [2024-11-22 17:57:42,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:42,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:42,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:42,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:42,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457506650] [2024-11-22 17:57:42,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457506650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:42,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:42,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:42,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189665355] [2024-11-22 17:57:42,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:42,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:42,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:42,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:42,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:43,006 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 179 [2024-11-22 17:57:43,007 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) [2024-11-22 17:57:43,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:43,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 179 [2024-11-22 17:57:43,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:43,044 INFO L124 PetriNetUnfolderBase]: 16/198 cut-off events. [2024-11-22 17:57:43,044 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-22 17:57:43,045 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. [2024-11-22 17:57:43,047 INFO L140 encePairwiseOnDemand]: 171/179 looper letters, 13 selfloop transitions, 3 changer transitions 4/136 dead transitions. [2024-11-22 17:57:43,047 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 136 transitions, 323 flow [2024-11-22 17:57:43,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:43,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:43,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 438 transitions. [2024-11-22 17:57:43,049 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8156424581005587 [2024-11-22 17:57:43,049 INFO L175 Difference]: Start difference. First operand has 134 places, 134 transitions, 276 flow. Second operand 3 states and 438 transitions. [2024-11-22 17:57:43,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 136 transitions, 323 flow [2024-11-22 17:57:43,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 136 transitions, 319 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:43,053 INFO L231 Difference]: Finished difference. Result has 131 places, 130 transitions, 276 flow [2024-11-22 17:57:43,053 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} [2024-11-22 17:57:43,054 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -27 predicate places. [2024-11-22 17:57:43,055 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 130 transitions, 276 flow [2024-11-22 17:57:43,056 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) [2024-11-22 17:57:43,057 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:43,057 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] [2024-11-22 17:57:43,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:57:43,057 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)] === [2024-11-22 17:57:43,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:43,057 INFO L85 PathProgramCache]: Analyzing trace with hash -2147086626, now seen corresponding path program 1 times [2024-11-22 17:57:43,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:43,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816544783] [2024-11-22 17:57:43,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:43,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:43,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:43,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:43,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816544783] [2024-11-22 17:57:43,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816544783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:43,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:43,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:43,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479945082] [2024-11-22 17:57:43,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:43,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:43,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:43,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:43,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:43,127 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 179 [2024-11-22 17:57:43,128 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) [2024-11-22 17:57:43,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:43,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 179 [2024-11-22 17:57:43,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:43,167 INFO L124 PetriNetUnfolderBase]: 23/206 cut-off events. [2024-11-22 17:57:43,167 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-22 17:57:43,168 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. [2024-11-22 17:57:43,169 INFO L140 encePairwiseOnDemand]: 174/179 looper letters, 11 selfloop transitions, 4 changer transitions 0/131 dead transitions. [2024-11-22 17:57:43,169 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 131 transitions, 311 flow [2024-11-22 17:57:43,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:43,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:43,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 447 transitions. [2024-11-22 17:57:43,171 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8324022346368715 [2024-11-22 17:57:43,171 INFO L175 Difference]: Start difference. First operand has 131 places, 130 transitions, 276 flow. Second operand 3 states and 447 transitions. [2024-11-22 17:57:43,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 131 transitions, 311 flow [2024-11-22 17:57:43,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 131 transitions, 308 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:57:43,174 INFO L231 Difference]: Finished difference. Result has 129 places, 129 transitions, 285 flow [2024-11-22 17:57:43,174 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} [2024-11-22 17:57:43,176 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -29 predicate places. [2024-11-22 17:57:43,177 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 129 transitions, 285 flow [2024-11-22 17:57:43,177 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) [2024-11-22 17:57:43,178 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:43,178 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] [2024-11-22 17:57:43,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:57:43,178 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)] === [2024-11-22 17:57:43,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:43,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1347535776, now seen corresponding path program 1 times [2024-11-22 17:57:43,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:43,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275954477] [2024-11-22 17:57:43,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:43,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:43,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:43,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:43,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275954477] [2024-11-22 17:57:43,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275954477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:43,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:43,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:43,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728902322] [2024-11-22 17:57:43,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:43,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:43,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:43,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:43,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:43,257 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 179 [2024-11-22 17:57:43,258 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) [2024-11-22 17:57:43,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:43,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 179 [2024-11-22 17:57:43,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:43,325 INFO L124 PetriNetUnfolderBase]: 32/266 cut-off events. [2024-11-22 17:57:43,326 INFO L125 PetriNetUnfolderBase]: For 108/115 co-relation queries the response was YES. [2024-11-22 17:57:43,326 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. [2024-11-22 17:57:43,327 INFO L140 encePairwiseOnDemand]: 174/179 looper letters, 14 selfloop transitions, 4 changer transitions 0/133 dead transitions. [2024-11-22 17:57:43,327 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 133 transitions, 342 flow [2024-11-22 17:57:43,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:43,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:43,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 449 transitions. [2024-11-22 17:57:43,330 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8361266294227188 [2024-11-22 17:57:43,330 INFO L175 Difference]: Start difference. First operand has 129 places, 129 transitions, 285 flow. Second operand 3 states and 449 transitions. [2024-11-22 17:57:43,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 133 transitions, 342 flow [2024-11-22 17:57:43,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 133 transitions, 336 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:57:43,334 INFO L231 Difference]: Finished difference. Result has 129 places, 128 transitions, 293 flow [2024-11-22 17:57:43,334 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} [2024-11-22 17:57:43,335 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -29 predicate places. [2024-11-22 17:57:43,335 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 128 transitions, 293 flow [2024-11-22 17:57:43,336 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) [2024-11-22 17:57:43,336 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:43,336 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] [2024-11-22 17:57:43,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 17:57:43,337 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)] === [2024-11-22 17:57:43,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:43,338 INFO L85 PathProgramCache]: Analyzing trace with hash -163662633, now seen corresponding path program 1 times [2024-11-22 17:57:43,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:43,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108168052] [2024-11-22 17:57:43,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:43,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:43,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:43,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:43,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108168052] [2024-11-22 17:57:43,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108168052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:43,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:43,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:43,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809456653] [2024-11-22 17:57:43,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:43,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:43,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:43,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:43,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:43,423 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 179 [2024-11-22 17:57:43,424 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) [2024-11-22 17:57:43,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:43,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 179 [2024-11-22 17:57:43,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:43,475 INFO L124 PetriNetUnfolderBase]: 50/339 cut-off events. [2024-11-22 17:57:43,475 INFO L125 PetriNetUnfolderBase]: For 100/100 co-relation queries the response was YES. [2024-11-22 17:57:43,476 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. [2024-11-22 17:57:43,478 INFO L140 encePairwiseOnDemand]: 174/179 looper letters, 0 selfloop transitions, 0 changer transitions 124/124 dead transitions. [2024-11-22 17:57:43,478 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 124 transitions, 317 flow [2024-11-22 17:57:43,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:43,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:43,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 432 transitions. [2024-11-22 17:57:43,480 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8044692737430168 [2024-11-22 17:57:43,480 INFO L175 Difference]: Start difference. First operand has 129 places, 128 transitions, 293 flow. Second operand 3 states and 432 transitions. [2024-11-22 17:57:43,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 124 transitions, 317 flow [2024-11-22 17:57:43,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 124 transitions, 313 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:57:43,483 INFO L231 Difference]: Finished difference. Result has 126 places, 0 transitions, 0 flow [2024-11-22 17:57:43,484 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} [2024-11-22 17:57:43,485 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -32 predicate places. [2024-11-22 17:57:43,485 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 0 transitions, 0 flow [2024-11-22 17:57:43,485 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) [2024-11-22 17:57:43,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (53 of 54 remaining) [2024-11-22 17:57:43,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2024-11-22 17:57:43,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2024-11-22 17:57:43,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2024-11-22 17:57:43,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2024-11-22 17:57:43,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2024-11-22 17:57:43,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2024-11-22 17:57:43,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2024-11-22 17:57:43,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2024-11-22 17:57:43,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2024-11-22 17:57:43,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2024-11-22 17:57:43,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2024-11-22 17:57:43,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2024-11-22 17:57:43,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2024-11-22 17:57:43,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2024-11-22 17:57:43,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2024-11-22 17:57:43,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2024-11-22 17:57:43,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2024-11-22 17:57:43,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2024-11-22 17:57:43,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2024-11-22 17:57:43,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2024-11-22 17:57:43,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2024-11-22 17:57:43,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2024-11-22 17:57:43,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2024-11-22 17:57:43,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2024-11-22 17:57:43,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2024-11-22 17:57:43,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2024-11-22 17:57:43,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2024-11-22 17:57:43,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2024-11-22 17:57:43,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2024-11-22 17:57:43,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2024-11-22 17:57:43,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2024-11-22 17:57:43,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 54 remaining) [2024-11-22 17:57:43,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 54 remaining) [2024-11-22 17:57:43,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2024-11-22 17:57:43,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2024-11-22 17:57:43,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2024-11-22 17:57:43,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2024-11-22 17:57:43,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2024-11-22 17:57:43,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2024-11-22 17:57:43,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2024-11-22 17:57:43,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2024-11-22 17:57:43,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2024-11-22 17:57:43,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2024-11-22 17:57:43,500 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2024-11-22 17:57:43,500 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2024-11-22 17:57:43,500 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2024-11-22 17:57:43,500 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2024-11-22 17:57:43,501 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2024-11-22 17:57:43,501 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2024-11-22 17:57:43,501 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2024-11-22 17:57:43,501 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2024-11-22 17:57:43,501 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2024-11-22 17:57:43,501 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2024-11-22 17:57:43,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 17:57:43,502 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:43,514 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:57:43,514 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:57:43,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:57:43 BasicIcfg [2024-11-22 17:57:43,521 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:57:43,522 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:57:43,522 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:57:43,522 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:57:43,522 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:57:41" (3/4) ... [2024-11-22 17:57:43,525 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 17:57:43,528 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-22 17:57:43,528 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-22 17:57:43,537 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-22 17:57:43,537 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 17:57:43,537 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 17:57:43,538 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 17:57:43,634 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:57:43,635 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 17:57:43,635 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:57:43,636 INFO L158 Benchmark]: Toolchain (without parser) took 3057.65ms. Allocated memory is still 174.1MB. Free memory was 116.1MB in the beginning and 99.7MB in the end (delta: 16.4MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-11-22 17:57:43,636 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:57:43,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.62ms. Allocated memory is still 174.1MB. Free memory was 115.7MB in the beginning and 146.7MB in the end (delta: -31.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 17:57:43,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.84ms. Allocated memory is still 174.1MB. Free memory was 146.7MB in the beginning and 145.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:57:43,636 INFO L158 Benchmark]: Boogie Preprocessor took 43.51ms. Allocated memory is still 174.1MB. Free memory was 145.4MB in the beginning and 144.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:57:43,637 INFO L158 Benchmark]: RCFGBuilder took 642.89ms. Allocated memory is still 174.1MB. Free memory was 144.2MB in the beginning and 111.9MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-22 17:57:43,637 INFO L158 Benchmark]: TraceAbstraction took 1839.25ms. Allocated memory is still 174.1MB. Free memory was 111.1MB in the beginning and 105.0MB in the end (delta: 6.1MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-11-22 17:57:43,637 INFO L158 Benchmark]: Witness Printer took 113.65ms. Allocated memory is still 174.1MB. Free memory was 105.0MB in the beginning and 99.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 17:57:43,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.62ms. Allocated memory is still 174.1MB. Free memory was 115.7MB in the beginning and 146.7MB in the end (delta: -31.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.84ms. Allocated memory is still 174.1MB. Free memory was 146.7MB in the beginning and 145.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.51ms. Allocated memory is still 174.1MB. Free memory was 145.4MB in the beginning and 144.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 642.89ms. Allocated memory is still 174.1MB. Free memory was 144.2MB in the beginning and 111.9MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1839.25ms. Allocated memory is still 174.1MB. Free memory was 111.1MB in the beginning and 105.0MB in the end (delta: 6.1MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Witness Printer took 113.65ms. Allocated memory is still 174.1MB. Free memory was 105.0MB in the beginning and 99.7MB 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: 1.7s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 207 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.3s 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, 0.1s SatisfiabilityAnalysisTime, 0.4s 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! [2024-11-22 17:57:43,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE