./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/lamport.i -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 c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:28:21,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:28:21,935 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:28:21,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:28:21,941 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:28:21,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:28:21,970 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:28:21,972 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:28:21,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:28:21,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:28:21,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:28:21,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:28:21,976 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:28:21,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:28:21,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:28:21,981 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:28:21,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:28:21,981 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:28:21,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:28:21,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:28:21,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:28:21,984 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:28:21,984 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:28:21,984 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:28:21,984 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:28:21,985 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:28:21,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:28:21,985 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:28:21,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:28:21,986 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:28:21,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:28:21,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:28:21,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:28:21,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:28:21,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:28:21,987 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:28:21,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:28:21,995 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:28:21,995 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:28:21,995 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:28:21,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:28:21,996 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 [2024-10-13 09:28:22,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:28:22,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:28:22,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:28:22,299 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:28:22,299 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:28:22,301 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/lamport.i [2024-10-13 09:28:23,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:28:24,044 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:28:24,044 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/lamport.i [2024-10-13 09:28:24,067 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86c9edfe9/108a9dd9f69d4438a9b2000f351ff6ca/FLAG7822d215b [2024-10-13 09:28:24,084 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86c9edfe9/108a9dd9f69d4438a9b2000f351ff6ca [2024-10-13 09:28:24,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:28:24,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:28:24,091 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:28:24,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:28:24,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:28:24,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:28:24" (1/1) ... [2024-10-13 09:28:24,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2adab16a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:24, skipping insertion in model container [2024-10-13 09:28:24,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:28:24" (1/1) ... [2024-10-13 09:28:24,148 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:28:24,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:28:24,540 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:28:24,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:28:24,637 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:28:24,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:24 WrapperNode [2024-10-13 09:28:24,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:28:24,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:28:24,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:28:24,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:28:24,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:24" (1/1) ... [2024-10-13 09:28:24,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:24" (1/1) ... [2024-10-13 09:28:24,710 INFO L138 Inliner]: procedures = 169, calls = 74, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 297 [2024-10-13 09:28:24,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:28:24,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:28:24,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:28:24,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:28:24,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:24" (1/1) ... [2024-10-13 09:28:24,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:24" (1/1) ... [2024-10-13 09:28:24,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:24" (1/1) ... [2024-10-13 09:28:24,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:24" (1/1) ... [2024-10-13 09:28:24,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:24" (1/1) ... [2024-10-13 09:28:24,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:24" (1/1) ... [2024-10-13 09:28:24,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:24" (1/1) ... [2024-10-13 09:28:24,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:24" (1/1) ... [2024-10-13 09:28:24,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:28:24,744 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:28:24,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:28:24,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:28:24,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:24" (1/1) ... [2024-10-13 09:28:24,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:28:24,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:28:24,800 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) [2024-10-13 09:28:24,805 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 [2024-10-13 09:28:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-10-13 09:28:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-10-13 09:28:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-13 09:28:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-13 09:28:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 09:28:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:28:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:28:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 09:28:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:28:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:28:24,855 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:28:24,975 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:28:24,976 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:28:25,330 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:28:25,330 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:28:25,448 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:28:25,449 INFO L314 CfgBuilder]: Removed 8 assume(true) statements. [2024-10-13 09:28:25,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:28:25 BoogieIcfgContainer [2024-10-13 09:28:25,449 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:28:25,452 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:28:25,452 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:28:25,456 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:28:25,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:28:24" (1/3) ... [2024-10-13 09:28:25,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5184b6c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:28:25, skipping insertion in model container [2024-10-13 09:28:25,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:24" (2/3) ... [2024-10-13 09:28:25,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5184b6c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:28:25, skipping insertion in model container [2024-10-13 09:28:25,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:28:25" (3/3) ... [2024-10-13 09:28:25,459 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2024-10-13 09:28:25,477 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:28:25,477 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2024-10-13 09:28:25,478 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:28:25,555 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-13 09:28:25,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 177 transitions, 368 flow [2024-10-13 09:28:25,704 INFO L124 PetriNetUnfolderBase]: 26/175 cut-off events. [2024-10-13 09:28:25,707 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-13 09:28:25,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 175 events. 26/175 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 566 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 152. Up to 5 conditions per place. [2024-10-13 09:28:25,716 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 177 transitions, 368 flow [2024-10-13 09:28:25,722 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 151 places, 170 transitions, 349 flow [2024-10-13 09:28:25,733 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:28:25,743 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;@114353a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:28:25,744 INFO L334 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2024-10-13 09:28:25,751 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:28:25,752 INFO L124 PetriNetUnfolderBase]: 1/29 cut-off events. [2024-10-13 09:28:25,752 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:28:25,752 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:28:25,753 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] [2024-10-13 09:28:25,754 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2024-10-13 09:28:25,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:28:25,761 INFO L85 PathProgramCache]: Analyzing trace with hash -2019522727, now seen corresponding path program 1 times [2024-10-13 09:28:25,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:28:25,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410497690] [2024-10-13 09:28:25,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:28:25,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:28:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:28:25,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:28:25,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:28:25,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410497690] [2024-10-13 09:28:25,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410497690] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:28:25,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:28:25,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 09:28:25,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072352399] [2024-10-13 09:28:25,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:28:25,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 09:28:25,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:28:26,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 09:28:26,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 09:28:26,021 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 177 [2024-10-13 09:28:26,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 170 transitions, 349 flow. Second operand has 2 states, 2 states have (on average 96.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:26,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:28:26,025 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 177 [2024-10-13 09:28:26,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:28:26,309 INFO L124 PetriNetUnfolderBase]: 371/1158 cut-off events. [2024-10-13 09:28:26,309 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2024-10-13 09:28:26,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1767 conditions, 1158 events. 371/1158 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 7541 event pairs, 195 based on Foata normal form. 238/1201 useless extension candidates. Maximal degree in co-relation 1663. Up to 562 conditions per place. [2024-10-13 09:28:26,330 INFO L140 encePairwiseOnDemand]: 131/177 looper letters, 35 selfloop transitions, 0 changer transitions 0/122 dead transitions. [2024-10-13 09:28:26,330 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 122 transitions, 323 flow [2024-10-13 09:28:26,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 09:28:26,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-13 09:28:26,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 271 transitions. [2024-10-13 09:28:26,346 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7655367231638418 [2024-10-13 09:28:26,348 INFO L175 Difference]: Start difference. First operand has 151 places, 170 transitions, 349 flow. Second operand 2 states and 271 transitions. [2024-10-13 09:28:26,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 122 transitions, 323 flow [2024-10-13 09:28:26,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 122 transitions, 318 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-13 09:28:26,358 INFO L231 Difference]: Finished difference. Result has 115 places, 122 transitions, 248 flow [2024-10-13 09:28:26,360 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=248, PETRI_PLACES=115, PETRI_TRANSITIONS=122} [2024-10-13 09:28:26,368 INFO L277 CegarLoopForPetriNet]: 151 programPoint places, -36 predicate places. [2024-10-13 09:28:26,369 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 122 transitions, 248 flow [2024-10-13 09:28:26,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 96.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:26,369 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:28:26,370 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] [2024-10-13 09:28:26,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:28:26,371 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2024-10-13 09:28:26,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:28:26,372 INFO L85 PathProgramCache]: Analyzing trace with hash -125950320, now seen corresponding path program 1 times [2024-10-13 09:28:26,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:28:26,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331087864] [2024-10-13 09:28:26,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:28:26,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:28:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:28:26,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:28:26,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:28:26,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331087864] [2024-10-13 09:28:26,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331087864] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:28:26,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:28:26,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:28:26,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135367300] [2024-10-13 09:28:26,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:28:26,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:28:26,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:28:26,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:28:26,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:28:26,518 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 177 [2024-10-13 09:28:26,519 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 122 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:26,519 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:28:26,519 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 177 [2024-10-13 09:28:26,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:28:26,803 INFO L124 PetriNetUnfolderBase]: 530/1485 cut-off events. [2024-10-13 09:28:26,803 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-13 09:28:26,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2372 conditions, 1485 events. 530/1485 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 9885 event pairs, 273 based on Foata normal form. 0/1262 useless extension candidates. Maximal degree in co-relation 2369. Up to 772 conditions per place. [2024-10-13 09:28:26,813 INFO L140 encePairwiseOnDemand]: 171/177 looper letters, 59 selfloop transitions, 5 changer transitions 0/143 dead transitions. [2024-10-13 09:28:26,813 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 143 transitions, 420 flow [2024-10-13 09:28:26,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:28:26,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:28:26,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 326 transitions. [2024-10-13 09:28:26,818 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6139359698681732 [2024-10-13 09:28:26,818 INFO L175 Difference]: Start difference. First operand has 115 places, 122 transitions, 248 flow. Second operand 3 states and 326 transitions. [2024-10-13 09:28:26,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 143 transitions, 420 flow [2024-10-13 09:28:26,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 143 transitions, 420 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:28:26,827 INFO L231 Difference]: Finished difference. Result has 119 places, 126 transitions, 286 flow [2024-10-13 09:28:26,827 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=119, PETRI_TRANSITIONS=126} [2024-10-13 09:28:26,828 INFO L277 CegarLoopForPetriNet]: 151 programPoint places, -32 predicate places. [2024-10-13 09:28:26,829 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 126 transitions, 286 flow [2024-10-13 09:28:26,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:26,829 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:28:26,829 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:28:26,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:28:26,830 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err15ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2024-10-13 09:28:26,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:28:26,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1616221135, now seen corresponding path program 1 times [2024-10-13 09:28:26,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:28:26,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827724630] [2024-10-13 09:28:26,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:28:26,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:28:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:28:26,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:28:26,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:28:26,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827724630] [2024-10-13 09:28:26,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827724630] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:28:26,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:28:26,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:28:26,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552138627] [2024-10-13 09:28:26,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:28:26,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:28:26,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:28:26,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:28:26,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:28:27,010 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 177 [2024-10-13 09:28:27,011 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 126 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:27,011 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:28:27,011 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 177 [2024-10-13 09:28:27,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:28:27,288 INFO L124 PetriNetUnfolderBase]: 510/1458 cut-off events. [2024-10-13 09:28:27,288 INFO L125 PetriNetUnfolderBase]: For 163/164 co-relation queries the response was YES. [2024-10-13 09:28:27,292 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2479 conditions, 1458 events. 510/1458 cut-off events. For 163/164 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 9697 event pairs, 172 based on Foata normal form. 1/1271 useless extension candidates. Maximal degree in co-relation 2474. Up to 489 conditions per place. [2024-10-13 09:28:27,299 INFO L140 encePairwiseOnDemand]: 169/177 looper letters, 74 selfloop transitions, 6 changer transitions 5/166 dead transitions. [2024-10-13 09:28:27,299 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 166 transitions, 547 flow [2024-10-13 09:28:27,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:28:27,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:28:27,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 346 transitions. [2024-10-13 09:28:27,302 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6516007532956686 [2024-10-13 09:28:27,302 INFO L175 Difference]: Start difference. First operand has 119 places, 126 transitions, 286 flow. Second operand 3 states and 346 transitions. [2024-10-13 09:28:27,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 166 transitions, 547 flow [2024-10-13 09:28:27,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 166 transitions, 535 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:28:27,309 INFO L231 Difference]: Finished difference. Result has 121 places, 129 transitions, 322 flow [2024-10-13 09:28:27,310 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=121, PETRI_TRANSITIONS=129} [2024-10-13 09:28:27,311 INFO L277 CegarLoopForPetriNet]: 151 programPoint places, -30 predicate places. [2024-10-13 09:28:27,311 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 129 transitions, 322 flow [2024-10-13 09:28:27,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:27,312 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:28:27,312 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:28:27,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 09:28:27,312 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2024-10-13 09:28:27,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:28:27,313 INFO L85 PathProgramCache]: Analyzing trace with hash -923313934, now seen corresponding path program 1 times [2024-10-13 09:28:27,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:28:27,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653990478] [2024-10-13 09:28:27,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:28:27,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:28:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:28:27,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:28:27,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:28:27,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653990478] [2024-10-13 09:28:27,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653990478] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:28:27,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:28:27,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:28:27,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529627271] [2024-10-13 09:28:27,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:28:27,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:28:27,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:28:27,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:28:27,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:28:27,386 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 177 [2024-10-13 09:28:27,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 129 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:27,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:28:27,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 177 [2024-10-13 09:28:27,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:28:27,612 INFO L124 PetriNetUnfolderBase]: 552/1491 cut-off events. [2024-10-13 09:28:27,613 INFO L125 PetriNetUnfolderBase]: For 334/334 co-relation queries the response was YES. [2024-10-13 09:28:27,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2748 conditions, 1491 events. 552/1491 cut-off events. For 334/334 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 9782 event pairs, 274 based on Foata normal form. 0/1305 useless extension candidates. Maximal degree in co-relation 2742. Up to 811 conditions per place. [2024-10-13 09:28:27,621 INFO L140 encePairwiseOnDemand]: 171/177 looper letters, 58 selfloop transitions, 7 changer transitions 4/150 dead transitions. [2024-10-13 09:28:27,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 150 transitions, 509 flow [2024-10-13 09:28:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:28:27,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:28:27,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 326 transitions. [2024-10-13 09:28:27,623 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6139359698681732 [2024-10-13 09:28:27,623 INFO L175 Difference]: Start difference. First operand has 121 places, 129 transitions, 322 flow. Second operand 3 states and 326 transitions. [2024-10-13 09:28:27,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 150 transitions, 509 flow [2024-10-13 09:28:27,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 150 transitions, 495 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:28:27,660 INFO L231 Difference]: Finished difference. Result has 123 places, 132 transitions, 358 flow [2024-10-13 09:28:27,661 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=358, PETRI_PLACES=123, PETRI_TRANSITIONS=132} [2024-10-13 09:28:27,667 INFO L277 CegarLoopForPetriNet]: 151 programPoint places, -28 predicate places. [2024-10-13 09:28:27,668 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 132 transitions, 358 flow [2024-10-13 09:28:27,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:27,668 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:28:27,669 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] [2024-10-13 09:28:27,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 09:28:27,669 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2024-10-13 09:28:27,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:28:27,670 INFO L85 PathProgramCache]: Analyzing trace with hash -31014628, now seen corresponding path program 1 times [2024-10-13 09:28:27,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:28:27,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804438501] [2024-10-13 09:28:27,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:28:27,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:28:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:28:27,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:28:27,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:28:27,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804438501] [2024-10-13 09:28:27,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804438501] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:28:27,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:28:27,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 09:28:27,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374878337] [2024-10-13 09:28:27,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:28:27,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 09:28:27,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:28:27,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 09:28:27,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 09:28:27,819 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 177 [2024-10-13 09:28:27,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 132 transitions, 358 flow. Second operand has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:27,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:28:27,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 177 [2024-10-13 09:28:27,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:28:28,227 INFO L124 PetriNetUnfolderBase]: 885/2508 cut-off events. [2024-10-13 09:28:28,228 INFO L125 PetriNetUnfolderBase]: For 312/321 co-relation queries the response was YES. [2024-10-13 09:28:28,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4458 conditions, 2508 events. 885/2508 cut-off events. For 312/321 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 19139 event pairs, 138 based on Foata normal form. 56/2339 useless extension candidates. Maximal degree in co-relation 4451. Up to 710 conditions per place. [2024-10-13 09:28:28,244 INFO L140 encePairwiseOnDemand]: 163/177 looper letters, 77 selfloop transitions, 7 changer transitions 19/195 dead transitions. [2024-10-13 09:28:28,245 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 195 transitions, 693 flow [2024-10-13 09:28:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 09:28:28,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 09:28:28,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 561 transitions. [2024-10-13 09:28:28,248 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6338983050847458 [2024-10-13 09:28:28,248 INFO L175 Difference]: Start difference. First operand has 123 places, 132 transitions, 358 flow. Second operand 5 states and 561 transitions. [2024-10-13 09:28:28,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 195 transitions, 693 flow [2024-10-13 09:28:28,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 195 transitions, 679 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:28:28,256 INFO L231 Difference]: Finished difference. Result has 129 places, 139 transitions, 432 flow [2024-10-13 09:28:28,256 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=432, PETRI_PLACES=129, PETRI_TRANSITIONS=139} [2024-10-13 09:28:28,257 INFO L277 CegarLoopForPetriNet]: 151 programPoint places, -22 predicate places. [2024-10-13 09:28:28,257 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 139 transitions, 432 flow [2024-10-13 09:28:28,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:28,258 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:28:28,258 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] [2024-10-13 09:28:28,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 09:28:28,258 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2024-10-13 09:28:28,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:28:28,259 INFO L85 PathProgramCache]: Analyzing trace with hash -719046116, now seen corresponding path program 2 times [2024-10-13 09:28:28,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:28:28,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359499248] [2024-10-13 09:28:28,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:28:28,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:28:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:28:28,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:28:28,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:28:28,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359499248] [2024-10-13 09:28:28,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359499248] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:28:28,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:28:28,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 09:28:28,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061952520] [2024-10-13 09:28:28,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:28:28,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 09:28:28,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:28:28,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 09:28:28,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 09:28:28,363 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 177 [2024-10-13 09:28:28,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 139 transitions, 432 flow. Second operand has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:28,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:28:28,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 177 [2024-10-13 09:28:28,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:28:29,142 INFO L124 PetriNetUnfolderBase]: 1746/5417 cut-off events. [2024-10-13 09:28:29,142 INFO L125 PetriNetUnfolderBase]: For 2299/2475 co-relation queries the response was YES. [2024-10-13 09:28:29,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10850 conditions, 5417 events. 1746/5417 cut-off events. For 2299/2475 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 49406 event pairs, 176 based on Foata normal form. 32/4933 useless extension candidates. Maximal degree in co-relation 10840. Up to 977 conditions per place. [2024-10-13 09:28:29,179 INFO L140 encePairwiseOnDemand]: 173/177 looper letters, 144 selfloop transitions, 6 changer transitions 5/250 dead transitions. [2024-10-13 09:28:29,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 250 transitions, 1132 flow [2024-10-13 09:28:29,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 09:28:29,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 09:28:29,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 594 transitions. [2024-10-13 09:28:29,182 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6711864406779661 [2024-10-13 09:28:29,182 INFO L175 Difference]: Start difference. First operand has 129 places, 139 transitions, 432 flow. Second operand 5 states and 594 transitions. [2024-10-13 09:28:29,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 250 transitions, 1132 flow [2024-10-13 09:28:29,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 250 transitions, 1092 flow, removed 20 selfloop flow, removed 1 redundant places. [2024-10-13 09:28:29,196 INFO L231 Difference]: Finished difference. Result has 135 places, 145 transitions, 466 flow [2024-10-13 09:28:29,196 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=466, PETRI_PLACES=135, PETRI_TRANSITIONS=145} [2024-10-13 09:28:29,198 INFO L277 CegarLoopForPetriNet]: 151 programPoint places, -16 predicate places. [2024-10-13 09:28:29,199 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 145 transitions, 466 flow [2024-10-13 09:28:29,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:29,200 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:28:29,200 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] [2024-10-13 09:28:29,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 09:28:29,201 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2024-10-13 09:28:29,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:28:29,202 INFO L85 PathProgramCache]: Analyzing trace with hash -2039955434, now seen corresponding path program 3 times [2024-10-13 09:28:29,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:28:29,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248519213] [2024-10-13 09:28:29,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:28:29,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:28:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:28:29,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:28:29,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:28:29,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248519213] [2024-10-13 09:28:29,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248519213] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:28:29,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:28:29,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 09:28:29,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191122637] [2024-10-13 09:28:29,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:28:29,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 09:28:29,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:28:29,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 09:28:29,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 09:28:29,310 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 177 [2024-10-13 09:28:29,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 145 transitions, 466 flow. Second operand has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:29,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:28:29,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 177 [2024-10-13 09:28:29,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:28:30,275 INFO L124 PetriNetUnfolderBase]: 2489/7234 cut-off events. [2024-10-13 09:28:30,275 INFO L125 PetriNetUnfolderBase]: For 2800/2999 co-relation queries the response was YES. [2024-10-13 09:28:30,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14915 conditions, 7234 events. 2489/7234 cut-off events. For 2800/2999 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 67657 event pairs, 406 based on Foata normal form. 198/7048 useless extension candidates. Maximal degree in co-relation 14902. Up to 2098 conditions per place. [2024-10-13 09:28:30,315 INFO L140 encePairwiseOnDemand]: 163/177 looper letters, 91 selfloop transitions, 8 changer transitions 24/215 dead transitions. [2024-10-13 09:28:30,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 215 transitions, 941 flow [2024-10-13 09:28:30,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 09:28:30,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 09:28:30,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 560 transitions. [2024-10-13 09:28:30,317 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.632768361581921 [2024-10-13 09:28:30,317 INFO L175 Difference]: Start difference. First operand has 135 places, 145 transitions, 466 flow. Second operand 5 states and 560 transitions. [2024-10-13 09:28:30,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 215 transitions, 941 flow [2024-10-13 09:28:30,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 215 transitions, 941 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:28:30,328 INFO L231 Difference]: Finished difference. Result has 143 places, 150 transitions, 554 flow [2024-10-13 09:28:30,329 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=554, PETRI_PLACES=143, PETRI_TRANSITIONS=150} [2024-10-13 09:28:30,330 INFO L277 CegarLoopForPetriNet]: 151 programPoint places, -8 predicate places. [2024-10-13 09:28:30,330 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 150 transitions, 554 flow [2024-10-13 09:28:30,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:30,331 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:28:30,331 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] [2024-10-13 09:28:30,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 09:28:30,331 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2024-10-13 09:28:30,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:28:30,332 INFO L85 PathProgramCache]: Analyzing trace with hash 583745250, now seen corresponding path program 4 times [2024-10-13 09:28:30,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:28:30,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204896775] [2024-10-13 09:28:30,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:28:30,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:28:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:28:30,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:28:30,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:28:30,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204896775] [2024-10-13 09:28:30,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204896775] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:28:30,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:28:30,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 09:28:30,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401420652] [2024-10-13 09:28:30,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:28:30,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 09:28:30,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:28:30,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 09:28:30,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 09:28:30,423 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 177 [2024-10-13 09:28:30,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 150 transitions, 554 flow. Second operand has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:30,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:28:30,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 177 [2024-10-13 09:28:30,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:28:31,628 INFO L124 PetriNetUnfolderBase]: 2685/8338 cut-off events. [2024-10-13 09:28:31,629 INFO L125 PetriNetUnfolderBase]: For 6705/7060 co-relation queries the response was YES. [2024-10-13 09:28:31,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19474 conditions, 8338 events. 2685/8338 cut-off events. For 6705/7060 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 82545 event pairs, 378 based on Foata normal form. 43/7979 useless extension candidates. Maximal degree in co-relation 19457. Up to 1697 conditions per place. [2024-10-13 09:28:31,693 INFO L140 encePairwiseOnDemand]: 173/177 looper letters, 149 selfloop transitions, 9 changer transitions 25/278 dead transitions. [2024-10-13 09:28:31,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 278 transitions, 1535 flow [2024-10-13 09:28:31,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 09:28:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 09:28:31,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 596 transitions. [2024-10-13 09:28:31,696 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6734463276836158 [2024-10-13 09:28:31,697 INFO L175 Difference]: Start difference. First operand has 143 places, 150 transitions, 554 flow. Second operand 5 states and 596 transitions. [2024-10-13 09:28:31,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 278 transitions, 1535 flow [2024-10-13 09:28:31,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 278 transitions, 1491 flow, removed 22 selfloop flow, removed 1 redundant places. [2024-10-13 09:28:31,720 INFO L231 Difference]: Finished difference. Result has 149 places, 155 transitions, 602 flow [2024-10-13 09:28:31,721 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=602, PETRI_PLACES=149, PETRI_TRANSITIONS=155} [2024-10-13 09:28:31,722 INFO L277 CegarLoopForPetriNet]: 151 programPoint places, -2 predicate places. [2024-10-13 09:28:31,722 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 155 transitions, 602 flow [2024-10-13 09:28:31,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:31,723 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:28:31,723 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] [2024-10-13 09:28:31,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 09:28:31,723 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2024-10-13 09:28:31,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:28:31,724 INFO L85 PathProgramCache]: Analyzing trace with hash 340659342, now seen corresponding path program 1 times [2024-10-13 09:28:31,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:28:31,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533098772] [2024-10-13 09:28:31,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:28:31,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:28:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:28:31,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:28:31,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:28:31,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533098772] [2024-10-13 09:28:31,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533098772] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:28:31,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:28:31,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 09:28:31,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141615102] [2024-10-13 09:28:31,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:28:31,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 09:28:31,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:28:31,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 09:28:31,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 09:28:31,832 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 177 [2024-10-13 09:28:31,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 155 transitions, 602 flow. Second operand has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:31,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:28:31,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 177 [2024-10-13 09:28:31,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:28:32,768 INFO L124 PetriNetUnfolderBase]: 2149/7255 cut-off events. [2024-10-13 09:28:32,768 INFO L125 PetriNetUnfolderBase]: For 5220/5403 co-relation queries the response was YES. [2024-10-13 09:28:32,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16347 conditions, 7255 events. 2149/7255 cut-off events. For 5220/5403 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 71241 event pairs, 482 based on Foata normal form. 83/6875 useless extension candidates. Maximal degree in co-relation 16327. Up to 2314 conditions per place. [2024-10-13 09:28:32,804 INFO L140 encePairwiseOnDemand]: 170/177 looper letters, 75 selfloop transitions, 7 changer transitions 36/212 dead transitions. [2024-10-13 09:28:32,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 212 transitions, 1125 flow [2024-10-13 09:28:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 09:28:32,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 09:28:32,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 541 transitions. [2024-10-13 09:28:32,806 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6112994350282486 [2024-10-13 09:28:32,807 INFO L175 Difference]: Start difference. First operand has 149 places, 155 transitions, 602 flow. Second operand 5 states and 541 transitions. [2024-10-13 09:28:32,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 212 transitions, 1125 flow [2024-10-13 09:28:32,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 212 transitions, 1117 flow, removed 4 selfloop flow, removed 0 redundant places. [2024-10-13 09:28:32,825 INFO L231 Difference]: Finished difference. Result has 156 places, 154 transitions, 605 flow [2024-10-13 09:28:32,825 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=605, PETRI_PLACES=156, PETRI_TRANSITIONS=154} [2024-10-13 09:28:32,826 INFO L277 CegarLoopForPetriNet]: 151 programPoint places, 5 predicate places. [2024-10-13 09:28:32,826 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 154 transitions, 605 flow [2024-10-13 09:28:32,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:32,827 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:28:32,827 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] [2024-10-13 09:28:32,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 09:28:32,827 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2024-10-13 09:28:32,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:28:32,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1039882592, now seen corresponding path program 1 times [2024-10-13 09:28:32,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:28:32,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173958292] [2024-10-13 09:28:32,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:28:32,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:28:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:28:32,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:28:32,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:28:32,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173958292] [2024-10-13 09:28:32,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173958292] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:28:32,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:28:32,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 09:28:32,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497832186] [2024-10-13 09:28:32,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:28:32,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 09:28:32,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:28:32,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 09:28:32,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 09:28:32,914 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 177 [2024-10-13 09:28:32,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 154 transitions, 605 flow. Second operand has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:32,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:28:32,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 177 [2024-10-13 09:28:32,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:28:33,453 INFO L124 PetriNetUnfolderBase]: 1375/4717 cut-off events. [2024-10-13 09:28:33,454 INFO L125 PetriNetUnfolderBase]: For 3865/3921 co-relation queries the response was YES. [2024-10-13 09:28:33,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11274 conditions, 4717 events. 1375/4717 cut-off events. For 3865/3921 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 41191 event pairs, 318 based on Foata normal form. 70/4574 useless extension candidates. Maximal degree in co-relation 11250. Up to 1662 conditions per place. [2024-10-13 09:28:33,480 INFO L140 encePairwiseOnDemand]: 170/177 looper letters, 0 selfloop transitions, 0 changer transitions 199/199 dead transitions. [2024-10-13 09:28:33,480 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 199 transitions, 1070 flow [2024-10-13 09:28:33,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 09:28:33,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 09:28:33,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 542 transitions. [2024-10-13 09:28:33,482 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6124293785310735 [2024-10-13 09:28:33,482 INFO L175 Difference]: Start difference. First operand has 156 places, 154 transitions, 605 flow. Second operand 5 states and 542 transitions. [2024-10-13 09:28:33,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 199 transitions, 1070 flow [2024-10-13 09:28:33,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 199 transitions, 1004 flow, removed 17 selfloop flow, removed 7 redundant places. [2024-10-13 09:28:33,500 INFO L231 Difference]: Finished difference. Result has 148 places, 0 transitions, 0 flow [2024-10-13 09:28:33,501 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=489, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=148, PETRI_TRANSITIONS=0} [2024-10-13 09:28:33,501 INFO L277 CegarLoopForPetriNet]: 151 programPoint places, -3 predicate places. [2024-10-13 09:28:33,502 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 0 transitions, 0 flow [2024-10-13 09:28:33,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:33,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2024-10-13 09:28:33,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2024-10-13 09:28:33,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2024-10-13 09:28:33,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2024-10-13 09:28:33,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2024-10-13 09:28:33,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2024-10-13 09:28:33,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2024-10-13 09:28:33,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2024-10-13 09:28:33,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2024-10-13 09:28:33,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2024-10-13 09:28:33,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2024-10-13 09:28:33,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2024-10-13 09:28:33,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2024-10-13 09:28:33,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2024-10-13 09:28:33,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2024-10-13 09:28:33,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2024-10-13 09:28:33,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2024-10-13 09:28:33,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2024-10-13 09:28:33,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2024-10-13 09:28:33,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2024-10-13 09:28:33,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2024-10-13 09:28:33,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2024-10-13 09:28:33,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2024-10-13 09:28:33,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2024-10-13 09:28:33,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2024-10-13 09:28:33,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2024-10-13 09:28:33,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2024-10-13 09:28:33,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2024-10-13 09:28:33,511 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2024-10-13 09:28:33,511 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2024-10-13 09:28:33,511 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2024-10-13 09:28:33,511 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2024-10-13 09:28:33,511 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2024-10-13 09:28:33,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2024-10-13 09:28:33,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2024-10-13 09:28:33,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2024-10-13 09:28:33,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 74 remaining) [2024-10-13 09:28:33,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 74 remaining) [2024-10-13 09:28:33,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2024-10-13 09:28:33,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2024-10-13 09:28:33,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2024-10-13 09:28:33,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2024-10-13 09:28:33,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2024-10-13 09:28:33,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2024-10-13 09:28:33,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (29 of 74 remaining) [2024-10-13 09:28:33,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (28 of 74 remaining) [2024-10-13 09:28:33,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (27 of 74 remaining) [2024-10-13 09:28:33,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2024-10-13 09:28:33,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2024-10-13 09:28:33,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2024-10-13 09:28:33,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2024-10-13 09:28:33,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2024-10-13 09:28:33,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2024-10-13 09:28:33,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2024-10-13 09:28:33,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2024-10-13 09:28:33,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2024-10-13 09:28:33,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2024-10-13 09:28:33,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2024-10-13 09:28:33,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2024-10-13 09:28:33,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2024-10-13 09:28:33,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2024-10-13 09:28:33,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2024-10-13 09:28:33,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2024-10-13 09:28:33,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2024-10-13 09:28:33,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2024-10-13 09:28:33,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2024-10-13 09:28:33,518 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2024-10-13 09:28:33,518 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2024-10-13 09:28:33,518 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2024-10-13 09:28:33,518 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2024-10-13 09:28:33,518 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2024-10-13 09:28:33,519 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2024-10-13 09:28:33,519 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2024-10-13 09:28:33,519 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2024-10-13 09:28:33,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 09:28:33,519 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1] [2024-10-13 09:28:33,525 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 09:28:33,525 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 09:28:33,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:28:33 BasicIcfg [2024-10-13 09:28:33,531 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 09:28:33,531 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 09:28:33,531 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 09:28:33,531 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 09:28:33,532 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:28:25" (3/4) ... [2024-10-13 09:28:33,533 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 09:28:33,536 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-10-13 09:28:33,536 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-10-13 09:28:33,539 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-10-13 09:28:33,539 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 09:28:33,540 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 09:28:33,540 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 09:28:33,616 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 09:28:33,616 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 09:28:33,616 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 09:28:33,617 INFO L158 Benchmark]: Toolchain (without parser) took 9527.04ms. Allocated memory was 184.5MB in the beginning and 620.8MB in the end (delta: 436.2MB). Free memory was 126.8MB in the beginning and 245.4MB in the end (delta: -118.6MB). Peak memory consumption was 319.5MB. Max. memory is 16.1GB. [2024-10-13 09:28:33,617 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 184.5MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:28:33,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 546.47ms. Allocated memory is still 184.5MB. Free memory was 126.3MB in the beginning and 103.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-13 09:28:33,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.71ms. Allocated memory is still 184.5MB. Free memory was 103.2MB in the beginning and 100.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 09:28:33,618 INFO L158 Benchmark]: Boogie Preprocessor took 31.83ms. Allocated memory is still 184.5MB. Free memory was 100.6MB in the beginning and 99.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 09:28:33,618 INFO L158 Benchmark]: RCFGBuilder took 705.59ms. Allocated memory is still 184.5MB. Free memory was 99.1MB in the beginning and 68.0MB in the end (delta: 31.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-10-13 09:28:33,619 INFO L158 Benchmark]: TraceAbstraction took 8078.48ms. Allocated memory was 184.5MB in the beginning and 620.8MB in the end (delta: 436.2MB). Free memory was 67.2MB in the beginning and 249.6MB in the end (delta: -182.3MB). Peak memory consumption was 338.4MB. Max. memory is 16.1GB. [2024-10-13 09:28:33,619 INFO L158 Benchmark]: Witness Printer took 85.41ms. Allocated memory is still 620.8MB. Free memory was 249.6MB in the beginning and 245.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 09:28:33,620 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 184.5MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 546.47ms. Allocated memory is still 184.5MB. Free memory was 126.3MB in the beginning and 103.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.71ms. Allocated memory is still 184.5MB. Free memory was 103.2MB in the beginning and 100.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.83ms. Allocated memory is still 184.5MB. Free memory was 100.6MB in the beginning and 99.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 705.59ms. Allocated memory is still 184.5MB. Free memory was 99.1MB in the beginning and 68.0MB in the end (delta: 31.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 8078.48ms. Allocated memory was 184.5MB in the beginning and 620.8MB in the end (delta: 436.2MB). Free memory was 67.2MB in the beginning and 249.6MB in the end (delta: -182.3MB). Peak memory consumption was 338.4MB. Max. memory is 16.1GB. * Witness Printer took 85.41ms. Allocated memory is still 620.8MB. Free memory was 249.6MB in the beginning and 245.4MB 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: 776]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 833]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 799]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 834]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 802]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 836]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 806]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 839]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 809]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 813]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 817]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 821]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 825]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 766]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 272 locations, 74 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: 7.9s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 533 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 445 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 27 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1544 IncrementalHoareTripleChecker+Invalid, 1569 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 46 mSDtfsCounter, 1544 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=605occurred in iteration=9, InterpolantAutomatonStates: 41, 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, 0.7s InterpolantComputationTime, 455 NumberOfCodeBlocks, 455 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 445 ConstructedInterpolants, 0 QuantifiedInterpolants, 579 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 09:28:33,656 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