./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp1x3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp1x3.wvr.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52eeb5cce5645e9dacc261319eae3d665b5cc432ff3ddd2ef39502a44996e68d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:13:08,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:13:08,723 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:13:08,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:13:08,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:13:08,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:13:08,764 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:13:08,765 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:13:08,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:13:08,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:13:08,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:13:08,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:13:08,768 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:13:08,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:13:08,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:13:08,771 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:13:08,771 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:13:08,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:13:08,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:13:08,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:13:08,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:13:08,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:13:08,776 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:13:08,776 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:13:08,777 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:13:08,777 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:13:08,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:13:08,779 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:13:08,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:13:08,780 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:13:08,780 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:13:08,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:13:08,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:13:08,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:13:08,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:13:08,781 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:13:08,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:13:08,782 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:13:08,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:13:08,782 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:13:08,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:13:08,783 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52eeb5cce5645e9dacc261319eae3d665b5cc432ff3ddd2ef39502a44996e68d [2024-10-11 17:13:09,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:13:09,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:13:09,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:13:09,084 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:13:09,085 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:13:09,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp1x3.wvr.c [2024-10-11 17:13:10,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:13:10,708 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:13:10,708 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp1x3.wvr.c [2024-10-11 17:13:10,715 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/9f41e3604/7a8ac143c8c24570a26f6c678f2c140c/FLAGa01dc5ad2 [2024-10-11 17:13:10,729 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/9f41e3604/7a8ac143c8c24570a26f6c678f2c140c [2024-10-11 17:13:10,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:13:10,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:13:10,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:13:10,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:13:10,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:13:10,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:13:10" (1/1) ... [2024-10-11 17:13:10,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25dc93b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:10, skipping insertion in model container [2024-10-11 17:13:10,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:13:10" (1/1) ... [2024-10-11 17:13:10,762 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:13:10,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:13:10,980 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:13:10,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:13:11,010 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:13:11,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:11 WrapperNode [2024-10-11 17:13:11,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:13:11,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:13:11,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:13:11,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:13:11,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:11" (1/1) ... [2024-10-11 17:13:11,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:11" (1/1) ... [2024-10-11 17:13:11,043 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2024-10-11 17:13:11,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:13:11,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:13:11,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:13:11,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:13:11,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:11" (1/1) ... [2024-10-11 17:13:11,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:11" (1/1) ... [2024-10-11 17:13:11,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:11" (1/1) ... [2024-10-11 17:13:11,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:11" (1/1) ... [2024-10-11 17:13:11,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:11" (1/1) ... [2024-10-11 17:13:11,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:11" (1/1) ... [2024-10-11 17:13:11,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:11" (1/1) ... [2024-10-11 17:13:11,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:11" (1/1) ... [2024-10-11 17:13:11,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:13:11,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:13:11,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:13:11,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:13:11,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:11" (1/1) ... [2024-10-11 17:13:11,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:13:11,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:13:11,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:13:11,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:13:11,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:13:11,168 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-11 17:13:11,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-11 17:13:11,168 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-11 17:13:11,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-11 17:13:11,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:13:11,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:13:11,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:13:11,170 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:13:11,269 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:13:11,270 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:13:11,472 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:13:11,472 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:13:11,490 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:13:11,490 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 17:13:11,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:13:11 BoogieIcfgContainer [2024-10-11 17:13:11,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:13:11,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:13:11,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:13:11,499 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:13:11,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:13:10" (1/3) ... [2024-10-11 17:13:11,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90dce63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:13:11, skipping insertion in model container [2024-10-11 17:13:11,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:11" (2/3) ... [2024-10-11 17:13:11,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90dce63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:13:11, skipping insertion in model container [2024-10-11 17:13:11,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:13:11" (3/3) ... [2024-10-11 17:13:11,503 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp1x3.wvr.c [2024-10-11 17:13:11,520 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:13:11,521 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-10-11 17:13:11,521 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:13:11,622 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-11 17:13:11,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 145 transitions, 304 flow [2024-10-11 17:13:11,740 INFO L124 PetriNetUnfolderBase]: 7/143 cut-off events. [2024-10-11 17:13:11,740 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:13:11,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 143 events. 7/143 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 163 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2024-10-11 17:13:11,750 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 145 transitions, 304 flow [2024-10-11 17:13:11,756 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 126 transitions, 264 flow [2024-10-11 17:13:11,772 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:13:11,779 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;@3e80c9e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:13:11,780 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-10-11 17:13:11,789 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:13:11,790 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2024-10-11 17:13:11,790 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:13:11,790 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:11,791 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:13:11,792 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-11 17:13:11,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:11,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1851296965, now seen corresponding path program 1 times [2024-10-11 17:13:11,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:11,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402003039] [2024-10-11 17:13:11,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:11,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:11,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:11,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:11,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402003039] [2024-10-11 17:13:11,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402003039] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:11,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:11,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:11,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851563052] [2024-10-11 17:13:11,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:11,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:12,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:12,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:12,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:12,104 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 145 [2024-10-11 17:13:12,109 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 126 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:12,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:12,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 145 [2024-10-11 17:13:12,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:12,180 INFO L124 PetriNetUnfolderBase]: 8/149 cut-off events. [2024-10-11 17:13:12,180 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-11 17:13:12,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 149 events. 8/149 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 310 event pairs, 4 based on Foata normal form. 7/129 useless extension candidates. Maximal degree in co-relation 105. Up to 24 conditions per place. [2024-10-11 17:13:12,183 INFO L140 encePairwiseOnDemand]: 139/145 looper letters, 14 selfloop transitions, 2 changer transitions 1/122 dead transitions. [2024-10-11 17:13:12,183 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 122 transitions, 288 flow [2024-10-11 17:13:12,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:12,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 386 transitions. [2024-10-11 17:13:12,197 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8873563218390804 [2024-10-11 17:13:12,200 INFO L175 Difference]: Start difference. First operand has 127 places, 126 transitions, 264 flow. Second operand 3 states and 386 transitions. [2024-10-11 17:13:12,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 122 transitions, 288 flow [2024-10-11 17:13:12,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 122 transitions, 280 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-11 17:13:12,207 INFO L231 Difference]: Finished difference. Result has 124 places, 121 transitions, 250 flow [2024-10-11 17:13:12,209 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=124, PETRI_TRANSITIONS=121} [2024-10-11 17:13:12,213 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -3 predicate places. [2024-10-11 17:13:12,214 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 121 transitions, 250 flow [2024-10-11 17:13:12,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:12,214 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:12,215 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] [2024-10-11 17:13:12,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:13:12,215 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-11 17:13:12,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:12,216 INFO L85 PathProgramCache]: Analyzing trace with hash 601841289, now seen corresponding path program 1 times [2024-10-11 17:13:12,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:12,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608656560] [2024-10-11 17:13:12,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:12,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:12,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:12,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:12,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608656560] [2024-10-11 17:13:12,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608656560] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:12,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:12,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:12,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888742882] [2024-10-11 17:13:12,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:12,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:12,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:12,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:12,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:12,350 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 145 [2024-10-11 17:13:12,351 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 121 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:12,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:12,352 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 145 [2024-10-11 17:13:12,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:12,402 INFO L124 PetriNetUnfolderBase]: 8/147 cut-off events. [2024-10-11 17:13:12,402 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-11 17:13:12,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 147 events. 8/147 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 289 event pairs, 4 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 152. Up to 23 conditions per place. [2024-10-11 17:13:12,404 INFO L140 encePairwiseOnDemand]: 142/145 looper letters, 13 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2024-10-11 17:13:12,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 120 transitions, 278 flow [2024-10-11 17:13:12,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:12,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:12,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 385 transitions. [2024-10-11 17:13:12,410 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8850574712643678 [2024-10-11 17:13:12,411 INFO L175 Difference]: Start difference. First operand has 124 places, 121 transitions, 250 flow. Second operand 3 states and 385 transitions. [2024-10-11 17:13:12,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 120 transitions, 278 flow [2024-10-11 17:13:12,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 120 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:13:12,417 INFO L231 Difference]: Finished difference. Result has 122 places, 120 transitions, 248 flow [2024-10-11 17:13:12,419 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=122, PETRI_TRANSITIONS=120} [2024-10-11 17:13:12,419 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -5 predicate places. [2024-10-11 17:13:12,420 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 120 transitions, 248 flow [2024-10-11 17:13:12,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:12,420 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:12,421 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:13:12,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:13:12,421 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-11 17:13:12,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:12,424 INFO L85 PathProgramCache]: Analyzing trace with hash 615857603, now seen corresponding path program 1 times [2024-10-11 17:13:12,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:12,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706222759] [2024-10-11 17:13:12,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:12,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:12,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:12,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:12,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706222759] [2024-10-11 17:13:12,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706222759] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:12,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:12,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:12,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793973582] [2024-10-11 17:13:12,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:12,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:12,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:12,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:12,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:12,535 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 145 [2024-10-11 17:13:12,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 120 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:12,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:12,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 145 [2024-10-11 17:13:12,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:12,591 INFO L124 PetriNetUnfolderBase]: 8/169 cut-off events. [2024-10-11 17:13:12,592 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:13:12,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 169 events. 8/169 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 373 event pairs, 3 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 163. Up to 18 conditions per place. [2024-10-11 17:13:12,595 INFO L140 encePairwiseOnDemand]: 142/145 looper letters, 9 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2024-10-11 17:13:12,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 119 transitions, 268 flow [2024-10-11 17:13:12,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:12,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:12,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2024-10-11 17:13:12,601 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.903448275862069 [2024-10-11 17:13:12,601 INFO L175 Difference]: Start difference. First operand has 122 places, 120 transitions, 248 flow. Second operand 3 states and 393 transitions. [2024-10-11 17:13:12,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 119 transitions, 268 flow [2024-10-11 17:13:12,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 119 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:13:12,607 INFO L231 Difference]: Finished difference. Result has 121 places, 119 transitions, 246 flow [2024-10-11 17:13:12,608 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=121, PETRI_TRANSITIONS=119} [2024-10-11 17:13:12,609 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -6 predicate places. [2024-10-11 17:13:12,610 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 119 transitions, 246 flow [2024-10-11 17:13:12,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:12,611 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:12,611 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] [2024-10-11 17:13:12,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:13:12,611 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-11 17:13:12,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:12,613 INFO L85 PathProgramCache]: Analyzing trace with hash 689534161, now seen corresponding path program 1 times [2024-10-11 17:13:12,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:12,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491265135] [2024-10-11 17:13:12,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:12,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:12,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:12,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:12,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491265135] [2024-10-11 17:13:12,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491265135] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:12,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:12,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:12,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749527637] [2024-10-11 17:13:12,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:12,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:12,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:12,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:12,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:12,701 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 145 [2024-10-11 17:13:12,702 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 119 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:12,702 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:12,702 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 145 [2024-10-11 17:13:12,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:12,782 INFO L124 PetriNetUnfolderBase]: 11/141 cut-off events. [2024-10-11 17:13:12,782 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:13:12,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 141 events. 11/141 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 313 event pairs, 6 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 149. Up to 30 conditions per place. [2024-10-11 17:13:12,784 INFO L140 encePairwiseOnDemand]: 136/145 looper letters, 17 selfloop transitions, 3 changer transitions 0/115 dead transitions. [2024-10-11 17:13:12,784 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 115 transitions, 279 flow [2024-10-11 17:13:12,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:12,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:12,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2024-10-11 17:13:12,797 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8597701149425288 [2024-10-11 17:13:12,798 INFO L175 Difference]: Start difference. First operand has 121 places, 119 transitions, 246 flow. Second operand 3 states and 374 transitions. [2024-10-11 17:13:12,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 115 transitions, 279 flow [2024-10-11 17:13:12,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 115 transitions, 275 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:13:12,802 INFO L231 Difference]: Finished difference. Result has 116 places, 114 transitions, 243 flow [2024-10-11 17:13:12,802 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=243, PETRI_PLACES=116, PETRI_TRANSITIONS=114} [2024-10-11 17:13:12,803 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -11 predicate places. [2024-10-11 17:13:12,803 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 114 transitions, 243 flow [2024-10-11 17:13:12,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:12,828 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:12,828 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] [2024-10-11 17:13:12,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:13:12,832 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-11 17:13:12,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:12,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1217372626, now seen corresponding path program 1 times [2024-10-11 17:13:12,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:12,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045185535] [2024-10-11 17:13:12,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:12,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:12,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:12,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:12,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045185535] [2024-10-11 17:13:12,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045185535] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:12,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:12,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:12,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957644660] [2024-10-11 17:13:12,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:12,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:12,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:12,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:12,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:12,931 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 145 [2024-10-11 17:13:12,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 114 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:12,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:12,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 145 [2024-10-11 17:13:12,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:12,974 INFO L124 PetriNetUnfolderBase]: 11/137 cut-off events. [2024-10-11 17:13:12,976 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-11 17:13:12,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 137 events. 11/137 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 278 event pairs, 6 based on Foata normal form. 1/127 useless extension candidates. Maximal degree in co-relation 130. Up to 27 conditions per place. [2024-10-11 17:13:12,978 INFO L140 encePairwiseOnDemand]: 137/145 looper letters, 12 selfloop transitions, 3 changer transitions 4/111 dead transitions. [2024-10-11 17:13:12,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 111 transitions, 272 flow [2024-10-11 17:13:12,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:12,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:12,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 379 transitions. [2024-10-11 17:13:12,981 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.871264367816092 [2024-10-11 17:13:12,981 INFO L175 Difference]: Start difference. First operand has 116 places, 114 transitions, 243 flow. Second operand 3 states and 379 transitions. [2024-10-11 17:13:12,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 111 transitions, 272 flow [2024-10-11 17:13:12,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 111 transitions, 269 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:13:12,985 INFO L231 Difference]: Finished difference. Result has 113 places, 106 transitions, 234 flow [2024-10-11 17:13:12,985 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=113, PETRI_TRANSITIONS=106} [2024-10-11 17:13:12,988 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -14 predicate places. [2024-10-11 17:13:12,988 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 106 transitions, 234 flow [2024-10-11 17:13:12,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:12,989 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:12,989 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] [2024-10-11 17:13:12,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:13:12,990 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-11 17:13:12,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:12,991 INFO L85 PathProgramCache]: Analyzing trace with hash -872359840, now seen corresponding path program 1 times [2024-10-11 17:13:12,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:12,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198096289] [2024-10-11 17:13:12,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:12,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:13,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:13,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198096289] [2024-10-11 17:13:13,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198096289] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:13,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:13,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:13,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666681017] [2024-10-11 17:13:13,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:13,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:13,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:13,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:13,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:13,079 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 145 [2024-10-11 17:13:13,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 106 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:13,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:13,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 145 [2024-10-11 17:13:13,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:13,117 INFO L124 PetriNetUnfolderBase]: 17/210 cut-off events. [2024-10-11 17:13:13,117 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-11 17:13:13,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 210 events. 17/210 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 614 event pairs, 4 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 184. Up to 29 conditions per place. [2024-10-11 17:13:13,121 INFO L140 encePairwiseOnDemand]: 141/145 looper letters, 9 selfloop transitions, 2 changer transitions 0/107 dead transitions. [2024-10-11 17:13:13,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 107 transitions, 259 flow [2024-10-11 17:13:13,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:13,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:13,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 400 transitions. [2024-10-11 17:13:13,123 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9195402298850575 [2024-10-11 17:13:13,124 INFO L175 Difference]: Start difference. First operand has 113 places, 106 transitions, 234 flow. Second operand 3 states and 400 transitions. [2024-10-11 17:13:13,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 107 transitions, 259 flow [2024-10-11 17:13:13,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 107 transitions, 256 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:13:13,127 INFO L231 Difference]: Finished difference. Result has 109 places, 106 transitions, 241 flow [2024-10-11 17:13:13,128 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=241, PETRI_PLACES=109, PETRI_TRANSITIONS=106} [2024-10-11 17:13:13,128 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -18 predicate places. [2024-10-11 17:13:13,129 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 106 transitions, 241 flow [2024-10-11 17:13:13,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:13,130 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:13,130 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:13:13,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 17:13:13,131 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-11 17:13:13,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:13,132 INFO L85 PathProgramCache]: Analyzing trace with hash -936575761, now seen corresponding path program 1 times [2024-10-11 17:13:13,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:13,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107842221] [2024-10-11 17:13:13,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:13,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:13,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:13,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:13,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107842221] [2024-10-11 17:13:13,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107842221] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:13,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:13,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:13,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302892185] [2024-10-11 17:13:13,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:13,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:13,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:13,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:13,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:13,262 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 145 [2024-10-11 17:13:13,263 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 106 transitions, 241 flow. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:13,263 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:13,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 145 [2024-10-11 17:13:13,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:13,289 INFO L124 PetriNetUnfolderBase]: 15/156 cut-off events. [2024-10-11 17:13:13,290 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-11 17:13:13,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 156 events. 15/156 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 365 event pairs, 6 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 127. Up to 25 conditions per place. [2024-10-11 17:13:13,291 INFO L140 encePairwiseOnDemand]: 142/145 looper letters, 13 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2024-10-11 17:13:13,291 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 106 transitions, 272 flow [2024-10-11 17:13:13,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:13,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:13,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 387 transitions. [2024-10-11 17:13:13,293 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8896551724137931 [2024-10-11 17:13:13,293 INFO L175 Difference]: Start difference. First operand has 109 places, 106 transitions, 241 flow. Second operand 3 states and 387 transitions. [2024-10-11 17:13:13,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 106 transitions, 272 flow [2024-10-11 17:13:13,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 106 transitions, 272 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 17:13:13,297 INFO L231 Difference]: Finished difference. Result has 110 places, 105 transitions, 243 flow [2024-10-11 17:13:13,297 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=243, PETRI_PLACES=110, PETRI_TRANSITIONS=105} [2024-10-11 17:13:13,298 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -17 predicate places. [2024-10-11 17:13:13,298 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 105 transitions, 243 flow [2024-10-11 17:13:13,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:13,300 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:13,300 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:13:13,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 17:13:13,301 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-11 17:13:13,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:13,302 INFO L85 PathProgramCache]: Analyzing trace with hash -277060218, now seen corresponding path program 1 times [2024-10-11 17:13:13,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:13,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214775000] [2024-10-11 17:13:13,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:13,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:13,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:13,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214775000] [2024-10-11 17:13:13,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214775000] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:13,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:13,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:13,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058503731] [2024-10-11 17:13:13,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:13,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:13,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:13,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:13,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:13,413 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 145 [2024-10-11 17:13:13,414 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 105 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:13,414 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:13,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 145 [2024-10-11 17:13:13,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:13,442 INFO L124 PetriNetUnfolderBase]: 15/152 cut-off events. [2024-10-11 17:13:13,442 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-10-11 17:13:13,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 152 events. 15/152 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 316 event pairs, 5 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 203. Up to 29 conditions per place. [2024-10-11 17:13:13,443 INFO L140 encePairwiseOnDemand]: 142/145 looper letters, 0 selfloop transitions, 0 changer transitions 105/105 dead transitions. [2024-10-11 17:13:13,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 105 transitions, 272 flow [2024-10-11 17:13:13,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:13,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:13,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 389 transitions. [2024-10-11 17:13:13,445 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8942528735632184 [2024-10-11 17:13:13,445 INFO L175 Difference]: Start difference. First operand has 110 places, 105 transitions, 243 flow. Second operand 3 states and 389 transitions. [2024-10-11 17:13:13,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 105 transitions, 272 flow [2024-10-11 17:13:13,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 105 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:13:13,447 INFO L231 Difference]: Finished difference. Result has 109 places, 0 transitions, 0 flow [2024-10-11 17:13:13,447 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=109, PETRI_TRANSITIONS=0} [2024-10-11 17:13:13,448 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -18 predicate places. [2024-10-11 17:13:13,448 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 0 transitions, 0 flow [2024-10-11 17:13:13,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:13,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 30 remaining) [2024-10-11 17:13:13,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 30 remaining) [2024-10-11 17:13:13,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 30 remaining) [2024-10-11 17:13:13,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 30 remaining) [2024-10-11 17:13:13,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 30 remaining) [2024-10-11 17:13:13,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 30 remaining) [2024-10-11 17:13:13,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 30 remaining) [2024-10-11 17:13:13,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 30 remaining) [2024-10-11 17:13:13,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 30 remaining) [2024-10-11 17:13:13,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 30 remaining) [2024-10-11 17:13:13,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 30 remaining) [2024-10-11 17:13:13,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 30 remaining) [2024-10-11 17:13:13,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 30 remaining) [2024-10-11 17:13:13,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 30 remaining) [2024-10-11 17:13:13,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 30 remaining) [2024-10-11 17:13:13,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 30 remaining) [2024-10-11 17:13:13,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (13 of 30 remaining) [2024-10-11 17:13:13,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 30 remaining) [2024-10-11 17:13:13,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 30 remaining) [2024-10-11 17:13:13,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 30 remaining) [2024-10-11 17:13:13,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (9 of 30 remaining) [2024-10-11 17:13:13,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (8 of 30 remaining) [2024-10-11 17:13:13,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (7 of 30 remaining) [2024-10-11 17:13:13,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (6 of 30 remaining) [2024-10-11 17:13:13,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (5 of 30 remaining) [2024-10-11 17:13:13,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 30 remaining) [2024-10-11 17:13:13,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 30 remaining) [2024-10-11 17:13:13,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 30 remaining) [2024-10-11 17:13:13,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 30 remaining) [2024-10-11 17:13:13,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 30 remaining) [2024-10-11 17:13:13,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 17:13:13,459 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:13:13,465 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 17:13:13,465 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 17:13:13,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 05:13:13 BasicIcfg [2024-10-11 17:13:13,476 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 17:13:13,477 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 17:13:13,477 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 17:13:13,477 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 17:13:13,478 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:13:11" (3/4) ... [2024-10-11 17:13:13,479 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 17:13:13,486 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-11 17:13:13,486 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-11 17:13:13,491 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-11 17:13:13,492 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 17:13:13,492 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 17:13:13,493 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 17:13:13,589 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 17:13:13,590 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 17:13:13,590 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 17:13:13,591 INFO L158 Benchmark]: Toolchain (without parser) took 2857.66ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 94.4MB in the beginning and 119.9MB in the end (delta: -25.5MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2024-10-11 17:13:13,591 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:13:13,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.07ms. Allocated memory is still 125.8MB. Free memory was 94.4MB in the beginning and 93.3MB in the end (delta: 1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-11 17:13:13,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.86ms. Allocated memory is still 125.8MB. Free memory was 93.3MB in the beginning and 91.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:13:13,591 INFO L158 Benchmark]: Boogie Preprocessor took 22.78ms. Allocated memory is still 125.8MB. Free memory was 91.6MB in the beginning and 90.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:13:13,592 INFO L158 Benchmark]: RCFGBuilder took 421.99ms. Allocated memory is still 125.8MB. Free memory was 90.2MB in the beginning and 75.3MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 17:13:13,592 INFO L158 Benchmark]: TraceAbstraction took 1981.25ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 74.4MB in the beginning and 44.7MB in the end (delta: 29.6MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2024-10-11 17:13:13,596 INFO L158 Benchmark]: Witness Printer took 113.16ms. Allocated memory is still 151.0MB. Free memory was 44.7MB in the beginning and 119.9MB in the end (delta: -75.1MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2024-10-11 17:13:13,598 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.07ms. Allocated memory is still 125.8MB. Free memory was 94.4MB in the beginning and 93.3MB in the end (delta: 1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.86ms. Allocated memory is still 125.8MB. Free memory was 93.3MB in the beginning and 91.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.78ms. Allocated memory is still 125.8MB. Free memory was 91.6MB in the beginning and 90.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 421.99ms. Allocated memory is still 125.8MB. Free memory was 90.2MB in the beginning and 75.3MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1981.25ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 74.4MB in the beginning and 44.7MB in the end (delta: 29.6MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * Witness Printer took 113.16ms. Allocated memory is still 151.0MB. Free memory was 44.7MB in the beginning and 119.9MB in the end (delta: -75.1MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: 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: 69]: 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, 187 locations, 30 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: 1.8s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 307 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 95 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 310 IncrementalHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 95 mSDtfsCounter, 310 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=264occurred 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, 341 NumberOfCodeBlocks, 341 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 333 ConstructedInterpolants, 0 QuantifiedInterpolants, 349 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 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 17:13:13,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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