./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:57:21,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:57:21,536 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:57:21,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:57:21,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:57:21,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:57:21,564 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:57:21,564 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:57:21,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:57:21,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:57:21,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:57:21,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:57:21,567 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:57:21,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:57:21,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:57:21,570 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:57:21,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:57:21,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:57:21,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:57:21,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:57:21,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:57:21,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:57:21,572 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:57:21,572 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:57:21,573 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:57:21,573 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:57:21,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:57:21,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:57:21,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:57:21,574 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:57:21,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:57:21,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:57:21,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:57:21,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:57:21,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:57:21,576 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:57:21,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:57:21,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:57:21,576 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:57:21,576 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:57:21,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:57:21,577 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc [2024-11-22 17:57:21,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:57:21,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:57:21,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:57:21,797 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:57:21,797 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:57:21,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2024-11-22 17:57:23,037 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:57:23,168 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:57:23,168 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2024-11-22 17:57:23,175 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ddb0cdc0/2867054b00eb4bd3bf85cdfbb651b1e7/FLAGc3a520c0a [2024-11-22 17:57:23,198 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ddb0cdc0/2867054b00eb4bd3bf85cdfbb651b1e7 [2024-11-22 17:57:23,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:57:23,201 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:57:23,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:57:23,202 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:57:23,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:57:23,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:57:23" (1/1) ... [2024-11-22 17:57:23,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2faa837b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:23, skipping insertion in model container [2024-11-22 17:57:23,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:57:23" (1/1) ... [2024-11-22 17:57:23,233 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:57:23,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:57:23,421 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:57:23,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:57:23,450 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:57:23,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:23 WrapperNode [2024-11-22 17:57:23,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:57:23,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:57:23,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:57:23,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:57:23,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:23" (1/1) ... [2024-11-22 17:57:23,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:23" (1/1) ... [2024-11-22 17:57:23,482 INFO L138 Inliner]: procedures = 21, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-11-22 17:57:23,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:57:23,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:57:23,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:57:23,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:57:23,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:23" (1/1) ... [2024-11-22 17:57:23,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:23" (1/1) ... [2024-11-22 17:57:23,493 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:23" (1/1) ... [2024-11-22 17:57:23,493 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:23" (1/1) ... [2024-11-22 17:57:23,506 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:23" (1/1) ... [2024-11-22 17:57:23,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:23" (1/1) ... [2024-11-22 17:57:23,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:23" (1/1) ... [2024-11-22 17:57:23,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:23" (1/1) ... [2024-11-22 17:57:23,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:57:23,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:57:23,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:57:23,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:57:23,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:23" (1/1) ... [2024-11-22 17:57:23,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:57:23,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:57:23,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 17:57:23,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 17:57:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:57:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-22 17:57:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-22 17:57:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-22 17:57:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-22 17:57:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-22 17:57:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-22 17:57:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:57:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:57:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:57:23,598 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:57:23,681 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:57:23,683 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:57:23,896 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:57:23,896 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:57:23,916 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:57:23,916 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-22 17:57:23,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:57:23 BoogieIcfgContainer [2024-11-22 17:57:23,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:57:23,920 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:57:23,921 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:57:23,923 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:57:23,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:57:23" (1/3) ... [2024-11-22 17:57:23,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c9b30c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:57:23, skipping insertion in model container [2024-11-22 17:57:23,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:57:23" (2/3) ... [2024-11-22 17:57:23,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c9b30c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:57:23, skipping insertion in model container [2024-11-22 17:57:23,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:57:23" (3/3) ... [2024-11-22 17:57:23,926 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.c [2024-11-22 17:57:23,939 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:57:23,940 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-11-22 17:57:23,941 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:57:24,036 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-22 17:57:24,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 174 places, 171 transitions, 363 flow [2024-11-22 17:57:24,132 INFO L124 PetriNetUnfolderBase]: 7/168 cut-off events. [2024-11-22 17:57:24,136 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:57:24,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 168 events. 7/168 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 260 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 112. Up to 2 conditions per place. [2024-11-22 17:57:24,142 INFO L82 GeneralOperation]: Start removeDead. Operand has 174 places, 171 transitions, 363 flow [2024-11-22 17:57:24,146 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 155 places, 151 transitions, 320 flow [2024-11-22 17:57:24,152 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:57:24,161 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;@3a3b612f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:57:24,161 INFO L334 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2024-11-22 17:57:24,167 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:57:24,167 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-22 17:57:24,167 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:57:24,167 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:24,168 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] [2024-11-22 17:57:24,168 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-22 17:57:24,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:24,176 INFO L85 PathProgramCache]: Analyzing trace with hash -627681014, now seen corresponding path program 1 times [2024-11-22 17:57:24,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:24,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038434460] [2024-11-22 17:57:24,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:24,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:24,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:24,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:24,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038434460] [2024-11-22 17:57:24,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038434460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:24,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:24,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:24,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442191025] [2024-11-22 17:57:24,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:24,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:24,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:24,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:24,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:24,396 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 171 [2024-11-22 17:57:24,400 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 151 transitions, 320 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:24,400 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:24,400 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 171 [2024-11-22 17:57:24,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:24,487 INFO L124 PetriNetUnfolderBase]: 10/216 cut-off events. [2024-11-22 17:57:24,487 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-22 17:57:24,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 216 events. 10/216 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 677 event pairs, 5 based on Foata normal form. 16/200 useless extension candidates. Maximal degree in co-relation 175. Up to 22 conditions per place. [2024-11-22 17:57:24,498 INFO L140 encePairwiseOnDemand]: 165/171 looper letters, 11 selfloop transitions, 2 changer transitions 0/147 dead transitions. [2024-11-22 17:57:24,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 147 transitions, 338 flow [2024-11-22 17:57:24,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:24,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 470 transitions. [2024-11-22 17:57:24,515 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9161793372319688 [2024-11-22 17:57:24,517 INFO L175 Difference]: Start difference. First operand has 155 places, 151 transitions, 320 flow. Second operand 3 states and 470 transitions. [2024-11-22 17:57:24,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 147 transitions, 338 flow [2024-11-22 17:57:24,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 147 transitions, 326 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-22 17:57:24,541 INFO L231 Difference]: Finished difference. Result has 150 places, 147 transitions, 304 flow [2024-11-22 17:57:24,542 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=150, PETRI_TRANSITIONS=147} [2024-11-22 17:57:24,549 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -5 predicate places. [2024-11-22 17:57:24,551 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 147 transitions, 304 flow [2024-11-22 17:57:24,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:24,552 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:24,552 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] [2024-11-22 17:57:24,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:57:24,553 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-22 17:57:24,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:24,554 INFO L85 PathProgramCache]: Analyzing trace with hash 595083197, now seen corresponding path program 1 times [2024-11-22 17:57:24,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:24,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027179573] [2024-11-22 17:57:24,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:24,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:24,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:24,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:24,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027179573] [2024-11-22 17:57:24,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027179573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:24,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:24,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:24,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866247575] [2024-11-22 17:57:24,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:24,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:24,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:24,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:24,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:24,625 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 171 [2024-11-22 17:57:24,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 147 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:24,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:24,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 171 [2024-11-22 17:57:24,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:24,668 INFO L124 PetriNetUnfolderBase]: 11/188 cut-off events. [2024-11-22 17:57:24,669 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:57:24,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 188 events. 11/188 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 492 event pairs, 7 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 193. Up to 25 conditions per place. [2024-11-22 17:57:24,672 INFO L140 encePairwiseOnDemand]: 168/171 looper letters, 11 selfloop transitions, 2 changer transitions 0/146 dead transitions. [2024-11-22 17:57:24,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 146 transitions, 328 flow [2024-11-22 17:57:24,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:24,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:24,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 467 transitions. [2024-11-22 17:57:24,675 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9103313840155945 [2024-11-22 17:57:24,675 INFO L175 Difference]: Start difference. First operand has 150 places, 147 transitions, 304 flow. Second operand 3 states and 467 transitions. [2024-11-22 17:57:24,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 146 transitions, 328 flow [2024-11-22 17:57:24,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 146 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:24,678 INFO L231 Difference]: Finished difference. Result has 149 places, 146 transitions, 302 flow [2024-11-22 17:57:24,679 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=302, PETRI_PLACES=149, PETRI_TRANSITIONS=146} [2024-11-22 17:57:24,679 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -6 predicate places. [2024-11-22 17:57:24,679 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 146 transitions, 302 flow [2024-11-22 17:57:24,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:24,680 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:24,680 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:24,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:57:24,680 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-22 17:57:24,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:24,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1025320405, now seen corresponding path program 1 times [2024-11-22 17:57:24,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:24,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571619875] [2024-11-22 17:57:24,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:24,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:24,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:24,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:24,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571619875] [2024-11-22 17:57:24,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571619875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:24,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:24,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:24,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131691509] [2024-11-22 17:57:24,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:24,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:24,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:24,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:24,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:24,765 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 171 [2024-11-22 17:57:24,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 146 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:24,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:24,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 171 [2024-11-22 17:57:24,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:24,824 INFO L124 PetriNetUnfolderBase]: 30/404 cut-off events. [2024-11-22 17:57:24,828 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-22 17:57:24,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 404 events. 30/404 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1970 event pairs, 15 based on Foata normal form. 0/329 useless extension candidates. Maximal degree in co-relation 432. Up to 52 conditions per place. [2024-11-22 17:57:24,834 INFO L140 encePairwiseOnDemand]: 168/171 looper letters, 12 selfloop transitions, 2 changer transitions 0/145 dead transitions. [2024-11-22 17:57:24,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 145 transitions, 328 flow [2024-11-22 17:57:24,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:24,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:24,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 465 transitions. [2024-11-22 17:57:24,836 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9064327485380117 [2024-11-22 17:57:24,836 INFO L175 Difference]: Start difference. First operand has 149 places, 146 transitions, 302 flow. Second operand 3 states and 465 transitions. [2024-11-22 17:57:24,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 145 transitions, 328 flow [2024-11-22 17:57:24,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 145 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:24,840 INFO L231 Difference]: Finished difference. Result has 148 places, 145 transitions, 300 flow [2024-11-22 17:57:24,840 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=300, PETRI_PLACES=148, PETRI_TRANSITIONS=145} [2024-11-22 17:57:24,842 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -7 predicate places. [2024-11-22 17:57:24,842 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 145 transitions, 300 flow [2024-11-22 17:57:24,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:24,843 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:24,843 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] [2024-11-22 17:57:24,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:57:24,844 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-22 17:57:24,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:24,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1264360153, now seen corresponding path program 1 times [2024-11-22 17:57:24,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:24,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319576777] [2024-11-22 17:57:24,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:24,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:24,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:24,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:24,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319576777] [2024-11-22 17:57:24,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319576777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:24,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:24,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:24,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457362454] [2024-11-22 17:57:24,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:24,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:24,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:24,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:24,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:24,921 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 171 [2024-11-22 17:57:24,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 145 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:24,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:24,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 171 [2024-11-22 17:57:24,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:25,005 INFO L124 PetriNetUnfolderBase]: 97/835 cut-off events. [2024-11-22 17:57:25,006 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-22 17:57:25,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1003 conditions, 835 events. 97/835 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 5812 event pairs, 34 based on Foata normal form. 0/684 useless extension candidates. Maximal degree in co-relation 959. Up to 146 conditions per place. [2024-11-22 17:57:25,012 INFO L140 encePairwiseOnDemand]: 165/171 looper letters, 15 selfloop transitions, 3 changer transitions 0/147 dead transitions. [2024-11-22 17:57:25,012 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 147 transitions, 342 flow [2024-11-22 17:57:25,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:25,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:25,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2024-11-22 17:57:25,014 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9181286549707602 [2024-11-22 17:57:25,014 INFO L175 Difference]: Start difference. First operand has 148 places, 145 transitions, 300 flow. Second operand 3 states and 471 transitions. [2024-11-22 17:57:25,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 147 transitions, 342 flow [2024-11-22 17:57:25,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 147 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:25,019 INFO L231 Difference]: Finished difference. Result has 146 places, 145 transitions, 311 flow [2024-11-22 17:57:25,019 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=311, PETRI_PLACES=146, PETRI_TRANSITIONS=145} [2024-11-22 17:57:25,020 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -9 predicate places. [2024-11-22 17:57:25,021 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 145 transitions, 311 flow [2024-11-22 17:57:25,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:25,021 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:25,021 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] [2024-11-22 17:57:25,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:57:25,022 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-22 17:57:25,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:25,023 INFO L85 PathProgramCache]: Analyzing trace with hash 310274100, now seen corresponding path program 1 times [2024-11-22 17:57:25,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:25,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145109312] [2024-11-22 17:57:25,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:25,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:25,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:25,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:25,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145109312] [2024-11-22 17:57:25,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145109312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:25,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:25,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:25,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859977304] [2024-11-22 17:57:25,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:25,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:25,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:25,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:25,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:25,101 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-22 17:57:25,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 145 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:25,102 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:25,102 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-22 17:57:25,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:25,149 INFO L124 PetriNetUnfolderBase]: 27/356 cut-off events. [2024-11-22 17:57:25,149 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-22 17:57:25,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 356 events. 27/356 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1609 event pairs, 4 based on Foata normal form. 1/306 useless extension candidates. Maximal degree in co-relation 279. Up to 29 conditions per place. [2024-11-22 17:57:25,152 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 10 selfloop transitions, 3 changer transitions 0/145 dead transitions. [2024-11-22 17:57:25,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 145 transitions, 339 flow [2024-11-22 17:57:25,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:25,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:25,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-11-22 17:57:25,153 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9239766081871345 [2024-11-22 17:57:25,153 INFO L175 Difference]: Start difference. First operand has 146 places, 145 transitions, 311 flow. Second operand 3 states and 474 transitions. [2024-11-22 17:57:25,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 145 transitions, 339 flow [2024-11-22 17:57:25,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 145 transitions, 339 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:57:25,157 INFO L231 Difference]: Finished difference. Result has 146 places, 143 transitions, 313 flow [2024-11-22 17:57:25,158 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=313, PETRI_PLACES=146, PETRI_TRANSITIONS=143} [2024-11-22 17:57:25,158 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -9 predicate places. [2024-11-22 17:57:25,158 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 143 transitions, 313 flow [2024-11-22 17:57:25,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:25,159 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:25,159 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:25,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:57:25,159 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-22 17:57:25,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:25,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1820679926, now seen corresponding path program 1 times [2024-11-22 17:57:25,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:25,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053900867] [2024-11-22 17:57:25,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:25,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:25,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:25,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:25,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053900867] [2024-11-22 17:57:25,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053900867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:25,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:25,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:25,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698456163] [2024-11-22 17:57:25,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:25,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:25,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:25,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:25,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:25,221 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-22 17:57:25,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 143 transitions, 313 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:25,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:25,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-22 17:57:25,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:25,306 INFO L124 PetriNetUnfolderBase]: 71/676 cut-off events. [2024-11-22 17:57:25,306 INFO L125 PetriNetUnfolderBase]: For 13/19 co-relation queries the response was YES. [2024-11-22 17:57:25,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 834 conditions, 676 events. 71/676 cut-off events. For 13/19 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3844 event pairs, 16 based on Foata normal form. 1/573 useless extension candidates. Maximal degree in co-relation 655. Up to 62 conditions per place. [2024-11-22 17:57:25,311 INFO L140 encePairwiseOnDemand]: 167/171 looper letters, 16 selfloop transitions, 2 changer transitions 0/148 dead transitions. [2024-11-22 17:57:25,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 148 transitions, 364 flow [2024-11-22 17:57:25,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:25,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:25,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 479 transitions. [2024-11-22 17:57:25,313 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9337231968810916 [2024-11-22 17:57:25,313 INFO L175 Difference]: Start difference. First operand has 146 places, 143 transitions, 313 flow. Second operand 3 states and 479 transitions. [2024-11-22 17:57:25,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 148 transitions, 364 flow [2024-11-22 17:57:25,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 148 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:25,315 INFO L231 Difference]: Finished difference. Result has 145 places, 143 transitions, 317 flow [2024-11-22 17:57:25,316 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=303, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=317, PETRI_PLACES=145, PETRI_TRANSITIONS=143} [2024-11-22 17:57:25,317 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -10 predicate places. [2024-11-22 17:57:25,317 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 143 transitions, 317 flow [2024-11-22 17:57:25,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:25,318 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:25,318 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] [2024-11-22 17:57:25,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:57:25,318 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-22 17:57:25,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:25,319 INFO L85 PathProgramCache]: Analyzing trace with hash -587933639, now seen corresponding path program 1 times [2024-11-22 17:57:25,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:25,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459284673] [2024-11-22 17:57:25,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:25,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:25,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:25,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:25,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459284673] [2024-11-22 17:57:25,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459284673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:25,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:25,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:25,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486493391] [2024-11-22 17:57:25,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:25,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:25,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:25,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:25,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:25,375 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-22 17:57:25,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 143 transitions, 317 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:25,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:25,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-22 17:57:25,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:25,448 INFO L124 PetriNetUnfolderBase]: 59/689 cut-off events. [2024-11-22 17:57:25,448 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2024-11-22 17:57:25,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 843 conditions, 689 events. 59/689 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4213 event pairs, 19 based on Foata normal form. 0/586 useless extension candidates. Maximal degree in co-relation 665. Up to 59 conditions per place. [2024-11-22 17:57:25,454 INFO L140 encePairwiseOnDemand]: 168/171 looper letters, 12 selfloop transitions, 2 changer transitions 0/144 dead transitions. [2024-11-22 17:57:25,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 144 transitions, 349 flow [2024-11-22 17:57:25,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:25,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:25,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-11-22 17:57:25,456 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9239766081871345 [2024-11-22 17:57:25,456 INFO L175 Difference]: Start difference. First operand has 145 places, 143 transitions, 317 flow. Second operand 3 states and 474 transitions. [2024-11-22 17:57:25,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 144 transitions, 349 flow [2024-11-22 17:57:25,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 144 transitions, 349 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:57:25,459 INFO L231 Difference]: Finished difference. Result has 146 places, 142 transitions, 319 flow [2024-11-22 17:57:25,460 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=315, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=319, PETRI_PLACES=146, PETRI_TRANSITIONS=142} [2024-11-22 17:57:25,461 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -9 predicate places. [2024-11-22 17:57:25,461 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 142 transitions, 319 flow [2024-11-22 17:57:25,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:25,462 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:25,462 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] [2024-11-22 17:57:25,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 17:57:25,462 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-22 17:57:25,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:25,463 INFO L85 PathProgramCache]: Analyzing trace with hash -142452217, now seen corresponding path program 1 times [2024-11-22 17:57:25,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:25,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212477973] [2024-11-22 17:57:25,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:25,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:25,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:25,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:25,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212477973] [2024-11-22 17:57:25,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212477973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:25,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:25,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:25,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435621078] [2024-11-22 17:57:25,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:25,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:25,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:25,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:25,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:25,529 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-22 17:57:25,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 142 transitions, 319 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:25,530 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:25,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-22 17:57:25,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:25,596 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([425] L58-8-->L58-2: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][92], [115#L58-2true, 200#true, Black: 193#true, 195#(= |#race~a~0| 0), 141#L75-4true, 80#L50-2true, 148#L42-2true, Black: 186#true, 197#true, 188#(= |#race~c~0| 0)]) [2024-11-22 17:57:25,597 INFO L294 olderBase$Statistics]: this new event has 95 ancestors and is cut-off event [2024-11-22 17:57:25,597 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2024-11-22 17:57:25,597 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2024-11-22 17:57:25,597 INFO L297 olderBase$Statistics]: existing Event has 93 ancestors and is cut-off event [2024-11-22 17:57:25,604 INFO L124 PetriNetUnfolderBase]: 65/617 cut-off events. [2024-11-22 17:57:25,604 INFO L125 PetriNetUnfolderBase]: For 14/17 co-relation queries the response was YES. [2024-11-22 17:57:25,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 795 conditions, 617 events. 65/617 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3410 event pairs, 12 based on Foata normal form. 0/542 useless extension candidates. Maximal degree in co-relation 574. Up to 55 conditions per place. [2024-11-22 17:57:25,609 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 10 selfloop transitions, 3 changer transitions 0/142 dead transitions. [2024-11-22 17:57:25,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 142 transitions, 347 flow [2024-11-22 17:57:25,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:25,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:25,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-11-22 17:57:25,610 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9239766081871345 [2024-11-22 17:57:25,610 INFO L175 Difference]: Start difference. First operand has 146 places, 142 transitions, 319 flow. Second operand 3 states and 474 transitions. [2024-11-22 17:57:25,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 142 transitions, 347 flow [2024-11-22 17:57:25,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 142 transitions, 343 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:25,613 INFO L231 Difference]: Finished difference. Result has 144 places, 140 transitions, 317 flow [2024-11-22 17:57:25,613 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=317, PETRI_PLACES=144, PETRI_TRANSITIONS=140} [2024-11-22 17:57:25,615 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -11 predicate places. [2024-11-22 17:57:25,615 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 140 transitions, 317 flow [2024-11-22 17:57:25,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:25,616 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:25,617 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] [2024-11-22 17:57:25,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 17:57:25,617 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-22 17:57:25,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:25,618 INFO L85 PathProgramCache]: Analyzing trace with hash 542387017, now seen corresponding path program 1 times [2024-11-22 17:57:25,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:25,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482805555] [2024-11-22 17:57:25,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:25,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:25,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:25,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:25,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482805555] [2024-11-22 17:57:25,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482805555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:25,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:25,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:25,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187489790] [2024-11-22 17:57:25,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:25,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:25,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:25,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:25,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:25,667 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-22 17:57:25,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 140 transitions, 317 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:25,668 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:25,668 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-22 17:57:25,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:25,759 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([425] L58-8-->L58-2: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][91], [115#L58-2true, 205#(= |#race~b~0| 0), 200#true, Black: 193#true, 195#(= |#race~a~0| 0), 141#L75-4true, 80#L50-2true, 148#L42-2true, Black: 186#true, 188#(= |#race~c~0| 0)]) [2024-11-22 17:57:25,760 INFO L294 olderBase$Statistics]: this new event has 95 ancestors and is cut-off event [2024-11-22 17:57:25,760 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2024-11-22 17:57:25,760 INFO L297 olderBase$Statistics]: existing Event has 93 ancestors and is cut-off event [2024-11-22 17:57:25,760 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2024-11-22 17:57:25,767 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([425] L58-8-->L58-2: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][91], [115#L58-2true, 205#(= |#race~b~0| 0), 200#true, Black: 193#true, 195#(= |#race~a~0| 0), 138#L76-1true, 80#L50-2true, Black: 186#true, 188#(= |#race~c~0| 0)]) [2024-11-22 17:57:25,767 INFO L294 olderBase$Statistics]: this new event has 103 ancestors and is cut-off event [2024-11-22 17:57:25,767 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2024-11-22 17:57:25,767 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2024-11-22 17:57:25,767 INFO L297 olderBase$Statistics]: existing Event has 101 ancestors and is cut-off event [2024-11-22 17:57:25,768 INFO L124 PetriNetUnfolderBase]: 138/960 cut-off events. [2024-11-22 17:57:25,768 INFO L125 PetriNetUnfolderBase]: For 28/32 co-relation queries the response was YES. [2024-11-22 17:57:25,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1280 conditions, 960 events. 138/960 cut-off events. For 28/32 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 6653 event pairs, 21 based on Foata normal form. 1/846 useless extension candidates. Maximal degree in co-relation 944. Up to 143 conditions per place. [2024-11-22 17:57:25,774 INFO L140 encePairwiseOnDemand]: 167/171 looper letters, 15 selfloop transitions, 2 changer transitions 0/144 dead transitions. [2024-11-22 17:57:25,774 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 144 transitions, 363 flow [2024-11-22 17:57:25,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:25,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:25,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 478 transitions. [2024-11-22 17:57:25,775 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9317738791423001 [2024-11-22 17:57:25,775 INFO L175 Difference]: Start difference. First operand has 144 places, 140 transitions, 317 flow. Second operand 3 states and 478 transitions. [2024-11-22 17:57:25,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 144 transitions, 363 flow [2024-11-22 17:57:25,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 144 transitions, 357 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:25,778 INFO L231 Difference]: Finished difference. Result has 143 places, 140 transitions, 321 flow [2024-11-22 17:57:25,779 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=321, PETRI_PLACES=143, PETRI_TRANSITIONS=140} [2024-11-22 17:57:25,780 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -12 predicate places. [2024-11-22 17:57:25,780 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 140 transitions, 321 flow [2024-11-22 17:57:25,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:25,780 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:25,780 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] [2024-11-22 17:57:25,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 17:57:25,780 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-22 17:57:25,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:25,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1866530721, now seen corresponding path program 1 times [2024-11-22 17:57:25,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:25,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378822000] [2024-11-22 17:57:25,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:25,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:25,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:25,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:25,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378822000] [2024-11-22 17:57:25,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378822000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:25,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:25,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:25,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495691157] [2024-11-22 17:57:25,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:25,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:25,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:25,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:25,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:25,817 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-22 17:57:25,817 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 140 transitions, 321 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:25,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:25,817 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-22 17:57:25,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:25,888 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([425] L58-8-->L58-2: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][91], [115#L58-2true, 205#(= |#race~b~0| 0), Black: 193#true, 195#(= |#race~a~0| 0), 141#L75-4true, 80#L50-2true, 207#true, 148#L42-2true, Black: 186#true, Black: 203#true, 188#(= |#race~c~0| 0)]) [2024-11-22 17:57:25,888 INFO L294 olderBase$Statistics]: this new event has 95 ancestors and is cut-off event [2024-11-22 17:57:25,888 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2024-11-22 17:57:25,888 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2024-11-22 17:57:25,888 INFO L297 olderBase$Statistics]: existing Event has 93 ancestors and is cut-off event [2024-11-22 17:57:25,894 INFO L124 PetriNetUnfolderBase]: 96/659 cut-off events. [2024-11-22 17:57:25,894 INFO L125 PetriNetUnfolderBase]: For 31/47 co-relation queries the response was YES. [2024-11-22 17:57:25,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 927 conditions, 659 events. 96/659 cut-off events. For 31/47 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3910 event pairs, 14 based on Foata normal form. 6/611 useless extension candidates. Maximal degree in co-relation 671. Up to 70 conditions per place. [2024-11-22 17:57:25,899 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 8 selfloop transitions, 2 changer transitions 6/140 dead transitions. [2024-11-22 17:57:25,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 140 transitions, 347 flow [2024-11-22 17:57:25,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:25,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2024-11-22 17:57:25,900 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9220272904483431 [2024-11-22 17:57:25,900 INFO L175 Difference]: Start difference. First operand has 143 places, 140 transitions, 321 flow. Second operand 3 states and 473 transitions. [2024-11-22 17:57:25,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 140 transitions, 347 flow [2024-11-22 17:57:25,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 140 transitions, 347 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:57:25,903 INFO L231 Difference]: Finished difference. Result has 143 places, 132 transitions, 308 flow [2024-11-22 17:57:25,903 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=308, PETRI_PLACES=143, PETRI_TRANSITIONS=132} [2024-11-22 17:57:25,903 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -12 predicate places. [2024-11-22 17:57:25,903 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 132 transitions, 308 flow [2024-11-22 17:57:25,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:25,904 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:25,904 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] [2024-11-22 17:57:25,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 17:57:25,904 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-22 17:57:25,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:25,905 INFO L85 PathProgramCache]: Analyzing trace with hash 958101900, now seen corresponding path program 1 times [2024-11-22 17:57:25,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:25,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472761737] [2024-11-22 17:57:25,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:25,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:25,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:25,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:25,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472761737] [2024-11-22 17:57:25,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472761737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:25,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:25,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:25,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283678146] [2024-11-22 17:57:25,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:25,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:25,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:25,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:25,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:25,947 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-22 17:57:25,948 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 132 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:25,948 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:25,948 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-22 17:57:25,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:26,011 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([425] L58-8-->L58-2: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][91], [115#L58-2true, 205#(= |#race~b~0| 0), Black: 193#true, 195#(= |#race~a~0| 0), 141#L75-4true, 80#L50-2true, 210#true, 148#L42-2true, 207#true, Black: 186#true, 188#(= |#race~c~0| 0), Black: 203#true]) [2024-11-22 17:57:26,012 INFO L294 olderBase$Statistics]: this new event has 95 ancestors and is cut-off event [2024-11-22 17:57:26,012 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2024-11-22 17:57:26,012 INFO L297 olderBase$Statistics]: existing Event has 93 ancestors and is cut-off event [2024-11-22 17:57:26,012 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2024-11-22 17:57:26,021 INFO L124 PetriNetUnfolderBase]: 117/824 cut-off events. [2024-11-22 17:57:26,021 INFO L125 PetriNetUnfolderBase]: For 26/30 co-relation queries the response was YES. [2024-11-22 17:57:26,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1169 conditions, 824 events. 117/824 cut-off events. For 26/30 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 5204 event pairs, 40 based on Foata normal form. 0/758 useless extension candidates. Maximal degree in co-relation 861. Up to 84 conditions per place. [2024-11-22 17:57:26,027 INFO L140 encePairwiseOnDemand]: 168/171 looper letters, 10 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2024-11-22 17:57:26,027 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 133 transitions, 336 flow [2024-11-22 17:57:26,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:26,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:26,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 472 transitions. [2024-11-22 17:57:26,028 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9200779727095516 [2024-11-22 17:57:26,028 INFO L175 Difference]: Start difference. First operand has 143 places, 132 transitions, 308 flow. Second operand 3 states and 472 transitions. [2024-11-22 17:57:26,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 133 transitions, 336 flow [2024-11-22 17:57:26,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 133 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:26,031 INFO L231 Difference]: Finished difference. Result has 136 places, 131 transitions, 306 flow [2024-11-22 17:57:26,031 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=136, PETRI_TRANSITIONS=131} [2024-11-22 17:57:26,032 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -19 predicate places. [2024-11-22 17:57:26,032 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 131 transitions, 306 flow [2024-11-22 17:57:26,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:26,032 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:26,032 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] [2024-11-22 17:57:26,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 17:57:26,032 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-22 17:57:26,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:26,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1598053624, now seen corresponding path program 1 times [2024-11-22 17:57:26,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:26,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090049715] [2024-11-22 17:57:26,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:26,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:26,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:26,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:26,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090049715] [2024-11-22 17:57:26,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090049715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:26,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:26,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:26,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184254230] [2024-11-22 17:57:26,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:26,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:26,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:26,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:26,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:26,082 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-22 17:57:26,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 131 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:26,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:26,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-22 17:57:26,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:26,134 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([425] L58-8-->L58-2: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][91], [115#L58-2true, 205#(= |#race~b~0| 0), Black: 193#true, 195#(= |#race~a~0| 0), 141#L75-4true, 80#L50-2true, 210#true, 213#true, 148#L42-2true, Black: 186#true, Black: 203#true, 188#(= |#race~c~0| 0)]) [2024-11-22 17:57:26,134 INFO L294 olderBase$Statistics]: this new event has 95 ancestors and is cut-off event [2024-11-22 17:57:26,134 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2024-11-22 17:57:26,134 INFO L297 olderBase$Statistics]: existing Event has 93 ancestors and is cut-off event [2024-11-22 17:57:26,134 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2024-11-22 17:57:26,137 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([443] L59-7-->L59-8: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet5=|v_thread3Thread1of1ForFork0_#t~nondet5_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet5][122], [205#(= |#race~b~0| 0), Black: 193#true, 195#(= |#race~a~0| 0), 96#L59-8true, 210#true, 213#true, 91#L77true, Black: 186#true, Black: 203#true, 188#(= |#race~c~0| 0)]) [2024-11-22 17:57:26,137 INFO L294 olderBase$Statistics]: this new event has 104 ancestors and is cut-off event [2024-11-22 17:57:26,137 INFO L297 olderBase$Statistics]: existing Event has 87 ancestors and is cut-off event [2024-11-22 17:57:26,137 INFO L297 olderBase$Statistics]: existing Event has 102 ancestors and is cut-off event [2024-11-22 17:57:26,138 INFO L297 olderBase$Statistics]: existing Event has 102 ancestors and is cut-off event [2024-11-22 17:57:26,138 INFO L124 PetriNetUnfolderBase]: 106/653 cut-off events. [2024-11-22 17:57:26,138 INFO L125 PetriNetUnfolderBase]: For 37/61 co-relation queries the response was YES. [2024-11-22 17:57:26,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 940 conditions, 653 events. 106/653 cut-off events. For 37/61 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3845 event pairs, 29 based on Foata normal form. 1/608 useless extension candidates. Maximal degree in co-relation 783. Up to 85 conditions per place. [2024-11-22 17:57:26,140 INFO L140 encePairwiseOnDemand]: 168/171 looper letters, 0 selfloop transitions, 0 changer transitions 132/132 dead transitions. [2024-11-22 17:57:26,140 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 132 transitions, 334 flow [2024-11-22 17:57:26,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:26,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 472 transitions. [2024-11-22 17:57:26,141 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9200779727095516 [2024-11-22 17:57:26,141 INFO L175 Difference]: Start difference. First operand has 136 places, 131 transitions, 306 flow. Second operand 3 states and 472 transitions. [2024-11-22 17:57:26,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 132 transitions, 334 flow [2024-11-22 17:57:26,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 132 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:26,144 INFO L231 Difference]: Finished difference. Result has 135 places, 0 transitions, 0 flow [2024-11-22 17:57:26,144 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=135, PETRI_TRANSITIONS=0} [2024-11-22 17:57:26,144 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -20 predicate places. [2024-11-22 17:57:26,145 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 0 transitions, 0 flow [2024-11-22 17:57:26,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:57:26,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (34 of 35 remaining) [2024-11-22 17:57:26,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (33 of 35 remaining) [2024-11-22 17:57:26,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (32 of 35 remaining) [2024-11-22 17:57:26,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (31 of 35 remaining) [2024-11-22 17:57:26,148 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (30 of 35 remaining) [2024-11-22 17:57:26,148 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (29 of 35 remaining) [2024-11-22 17:57:26,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (28 of 35 remaining) [2024-11-22 17:57:26,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (27 of 35 remaining) [2024-11-22 17:57:26,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (26 of 35 remaining) [2024-11-22 17:57:26,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (25 of 35 remaining) [2024-11-22 17:57:26,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (24 of 35 remaining) [2024-11-22 17:57:26,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (23 of 35 remaining) [2024-11-22 17:57:26,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (22 of 35 remaining) [2024-11-22 17:57:26,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 35 remaining) [2024-11-22 17:57:26,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 35 remaining) [2024-11-22 17:57:26,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 35 remaining) [2024-11-22 17:57:26,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 35 remaining) [2024-11-22 17:57:26,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 35 remaining) [2024-11-22 17:57:26,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (16 of 35 remaining) [2024-11-22 17:57:26,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 35 remaining) [2024-11-22 17:57:26,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 35 remaining) [2024-11-22 17:57:26,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 35 remaining) [2024-11-22 17:57:26,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 35 remaining) [2024-11-22 17:57:26,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 35 remaining) [2024-11-22 17:57:26,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (10 of 35 remaining) [2024-11-22 17:57:26,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (9 of 35 remaining) [2024-11-22 17:57:26,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 35 remaining) [2024-11-22 17:57:26,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 35 remaining) [2024-11-22 17:57:26,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 35 remaining) [2024-11-22 17:57:26,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 35 remaining) [2024-11-22 17:57:26,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (4 of 35 remaining) [2024-11-22 17:57:26,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (3 of 35 remaining) [2024-11-22 17:57:26,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 35 remaining) [2024-11-22 17:57:26,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (1 of 35 remaining) [2024-11-22 17:57:26,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (0 of 35 remaining) [2024-11-22 17:57:26,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 17:57:26,153 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:26,158 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:57:26,158 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:57:26,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:57:26 BasicIcfg [2024-11-22 17:57:26,164 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:57:26,164 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:57:26,165 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:57:26,165 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:57:26,165 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:57:23" (3/4) ... [2024-11-22 17:57:26,166 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 17:57:26,170 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-22 17:57:26,170 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-22 17:57:26,170 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-22 17:57:26,174 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-22 17:57:26,174 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 17:57:26,174 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 17:57:26,174 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 17:57:26,251 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:57:26,251 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 17:57:26,252 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:57:26,252 INFO L158 Benchmark]: Toolchain (without parser) took 3050.63ms. Allocated memory was 130.0MB in the beginning and 220.2MB in the end (delta: 90.2MB). Free memory was 102.8MB in the beginning and 64.6MB in the end (delta: 38.2MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. [2024-11-22 17:57:26,252 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:57:26,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.59ms. Allocated memory was 130.0MB in the beginning and 182.5MB in the end (delta: 52.4MB). Free memory was 102.6MB in the beginning and 144.4MB in the end (delta: -41.8MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-11-22 17:57:26,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.28ms. Allocated memory is still 182.5MB. Free memory was 144.4MB in the beginning and 143.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:57:26,253 INFO L158 Benchmark]: Boogie Preprocessor took 32.68ms. Allocated memory is still 182.5MB. Free memory was 143.4MB in the beginning and 141.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:57:26,253 INFO L158 Benchmark]: RCFGBuilder took 400.44ms. Allocated memory is still 182.5MB. Free memory was 141.3MB in the beginning and 124.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-22 17:57:26,253 INFO L158 Benchmark]: TraceAbstraction took 2243.79ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 123.4MB in the beginning and 68.8MB in the end (delta: 54.7MB). Peak memory consumption was 93.5MB. Max. memory is 16.1GB. [2024-11-22 17:57:26,253 INFO L158 Benchmark]: Witness Printer took 87.13ms. Allocated memory is still 220.2MB. Free memory was 68.8MB in the beginning and 64.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 17:57:26,254 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.59ms. Allocated memory was 130.0MB in the beginning and 182.5MB in the end (delta: 52.4MB). Free memory was 102.6MB in the beginning and 144.4MB in the end (delta: -41.8MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.28ms. Allocated memory is still 182.5MB. Free memory was 144.4MB in the beginning and 143.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.68ms. Allocated memory is still 182.5MB. Free memory was 143.4MB in the beginning and 141.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.44ms. Allocated memory is still 182.5MB. Free memory was 141.3MB in the beginning and 124.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2243.79ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 123.4MB in the beginning and 68.8MB in the end (delta: 54.7MB). Peak memory consumption was 93.5MB. Max. memory is 16.1GB. * Witness Printer took 87.13ms. Allocated memory is still 220.2MB. Free memory was 68.8MB in the beginning and 64.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: 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: 59]: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 246 locations, 35 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: 2.1s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 239 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 334 IncrementalHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 72 mSDtfsCounter, 334 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=321occurred in iteration=9, InterpolantAutomatonStates: 36, 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, 591 NumberOfCodeBlocks, 591 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 579 ConstructedInterpolants, 0 QuantifiedInterpolants, 603 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 19 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-22 17:57:26,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE