./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a508120cc7913f10b79dda7ca65a8b88f829725798d520aee5d1c1d04a1fc13 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:30:33,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:30:34,010 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:30:34,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:30:34,015 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:30:34,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:30:34,041 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:30:34,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:30:34,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:30:34,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:30:34,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:30:34,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:30:34,043 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:30:34,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:30:34,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:30:34,044 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:30:34,047 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:30:34,047 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:30:34,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:30:34,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:30:34,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:30:34,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:30:34,049 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:30:34,049 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:30:34,051 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:30:34,051 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:30:34,052 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:30:34,052 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:30:34,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:30:34,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:30:34,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:30:34,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:30:34,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:30:34,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:30:34,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:30:34,053 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:30:34,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:30:34,054 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:30:34,054 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:30:34,054 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:30:34,054 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:30:34,055 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a508120cc7913f10b79dda7ca65a8b88f829725798d520aee5d1c1d04a1fc13 [2024-10-24 15:30:34,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:30:34,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:30:34,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:30:34,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:30:34,302 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:30:34,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c [2024-10-24 15:30:35,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:30:35,790 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:30:35,790 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c [2024-10-24 15:30:35,798 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/081519183/bdd1ee2fda464fd9a006eed5d9ccd61d/FLAGf493914fb [2024-10-24 15:30:36,178 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/081519183/bdd1ee2fda464fd9a006eed5d9ccd61d [2024-10-24 15:30:36,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:30:36,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:30:36,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:30:36,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:30:36,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:30:36,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:30:36" (1/1) ... [2024-10-24 15:30:36,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21a494e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:36, skipping insertion in model container [2024-10-24 15:30:36,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:30:36" (1/1) ... [2024-10-24 15:30:36,206 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:30:36,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:30:36,429 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:30:36,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:30:36,485 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:30:36,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:36 WrapperNode [2024-10-24 15:30:36,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:30:36,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:30:36,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:30:36,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:30:36,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:36" (1/1) ... [2024-10-24 15:30:36,505 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:36" (1/1) ... [2024-10-24 15:30:36,537 INFO L138 Inliner]: procedures = 22, calls = 17, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 317 [2024-10-24 15:30:36,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:30:36,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:30:36,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:30:36,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:30:36,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:36" (1/1) ... [2024-10-24 15:30:36,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:36" (1/1) ... [2024-10-24 15:30:36,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:36" (1/1) ... [2024-10-24 15:30:36,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:36" (1/1) ... [2024-10-24 15:30:36,563 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:36" (1/1) ... [2024-10-24 15:30:36,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:36" (1/1) ... [2024-10-24 15:30:36,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:36" (1/1) ... [2024-10-24 15:30:36,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:36" (1/1) ... [2024-10-24 15:30:36,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:30:36,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:30:36,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:30:36,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:30:36,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:36" (1/1) ... [2024-10-24 15:30:36,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:30:36,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:30:36,604 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) [2024-10-24 15:30:36,609 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 [2024-10-24 15:30:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:30:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-24 15:30:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-24 15:30:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-24 15:30:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-24 15:30:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-24 15:30:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-24 15:30:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:30:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:30:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:30:36,663 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:30:36,771 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:30:36,772 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:30:37,174 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:30:37,174 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:30:37,220 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:30:37,221 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 15:30:37,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:30:37 BoogieIcfgContainer [2024-10-24 15:30:37,221 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:30:37,223 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:30:37,223 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:30:37,226 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:30:37,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:30:36" (1/3) ... [2024-10-24 15:30:37,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f6364dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:30:37, skipping insertion in model container [2024-10-24 15:30:37,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:30:36" (2/3) ... [2024-10-24 15:30:37,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f6364dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:30:37, skipping insertion in model container [2024-10-24 15:30:37,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:30:37" (3/3) ... [2024-10-24 15:30:37,230 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-exp-term-subst.wvr.c [2024-10-24 15:30:37,248 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:30:37,248 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2024-10-24 15:30:37,248 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:30:37,354 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-24 15:30:37,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 413 places, 430 transitions, 881 flow [2024-10-24 15:30:37,514 INFO L124 PetriNetUnfolderBase]: 27/427 cut-off events. [2024-10-24 15:30:37,515 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-24 15:30:37,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 427 events. 27/427 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1395 event pairs, 0 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 306. Up to 2 conditions per place. [2024-10-24 15:30:37,528 INFO L82 GeneralOperation]: Start removeDead. Operand has 413 places, 430 transitions, 881 flow [2024-10-24 15:30:37,536 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 392 places, 407 transitions, 832 flow [2024-10-24 15:30:37,543 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:30:37,548 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;@70306041, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:30:37,548 INFO L334 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2024-10-24 15:30:37,552 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:30:37,552 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-10-24 15:30:37,552 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:30:37,553 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:37,553 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] [2024-10-24 15:30:37,554 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:37,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:37,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1102699124, now seen corresponding path program 1 times [2024-10-24 15:30:37,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:37,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260626763] [2024-10-24 15:30:37,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:37,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:37,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:37,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:37,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260626763] [2024-10-24 15:30:37,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260626763] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:37,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:37,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:37,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539703437] [2024-10-24 15:30:37,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:37,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:37,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:37,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:37,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:37,886 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 430 [2024-10-24 15:30:37,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 407 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-10-24 15:30:37,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:37,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 430 [2024-10-24 15:30:37,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:38,123 INFO L124 PetriNetUnfolderBase]: 98/1397 cut-off events. [2024-10-24 15:30:38,124 INFO L125 PetriNetUnfolderBase]: For 24/28 co-relation queries the response was YES. [2024-10-24 15:30:38,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1484 conditions, 1397 events. 98/1397 cut-off events. For 24/28 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 9754 event pairs, 20 based on Foata normal form. 39/1169 useless extension candidates. Maximal degree in co-relation 1352. Up to 50 conditions per place. [2024-10-24 15:30:38,141 INFO L140 encePairwiseOnDemand]: 420/430 looper letters, 13 selfloop transitions, 2 changer transitions 1/399 dead transitions. [2024-10-24 15:30:38,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 399 transitions, 846 flow [2024-10-24 15:30:38,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:38,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:38,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1235 transitions. [2024-10-24 15:30:38,161 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9573643410852714 [2024-10-24 15:30:38,163 INFO L175 Difference]: Start difference. First operand has 392 places, 407 transitions, 832 flow. Second operand 3 states and 1235 transitions. [2024-10-24 15:30:38,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 399 transitions, 846 flow [2024-10-24 15:30:38,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 399 transitions, 834 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-24 15:30:38,177 INFO L231 Difference]: Finished difference. Result has 387 places, 398 transitions, 806 flow [2024-10-24 15:30:38,180 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=804, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=806, PETRI_PLACES=387, PETRI_TRANSITIONS=398} [2024-10-24 15:30:38,183 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -5 predicate places. [2024-10-24 15:30:38,184 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 398 transitions, 806 flow [2024-10-24 15:30:38,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-10-24 15:30:38,185 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:38,185 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] [2024-10-24 15:30:38,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:30:38,187 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:38,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:38,188 INFO L85 PathProgramCache]: Analyzing trace with hash 669304532, now seen corresponding path program 1 times [2024-10-24 15:30:38,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:38,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080601213] [2024-10-24 15:30:38,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:38,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:38,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:38,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:38,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080601213] [2024-10-24 15:30:38,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080601213] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:38,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:38,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:38,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905475501] [2024-10-24 15:30:38,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:38,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:38,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:38,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:38,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:38,288 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 430 [2024-10-24 15:30:38,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 398 transitions, 806 flow. Second operand has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-10-24 15:30:38,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:38,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 430 [2024-10-24 15:30:38,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:38,434 INFO L124 PetriNetUnfolderBase]: 54/807 cut-off events. [2024-10-24 15:30:38,435 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2024-10-24 15:30:38,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 858 conditions, 807 events. 54/807 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4622 event pairs, 12 based on Foata normal form. 0/662 useless extension candidates. Maximal degree in co-relation 824. Up to 38 conditions per place. [2024-10-24 15:30:38,447 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 13 selfloop transitions, 2 changer transitions 0/397 dead transitions. [2024-10-24 15:30:38,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 397 transitions, 834 flow [2024-10-24 15:30:38,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:38,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:38,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1228 transitions. [2024-10-24 15:30:38,452 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.951937984496124 [2024-10-24 15:30:38,452 INFO L175 Difference]: Start difference. First operand has 387 places, 398 transitions, 806 flow. Second operand 3 states and 1228 transitions. [2024-10-24 15:30:38,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 397 transitions, 834 flow [2024-10-24 15:30:38,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 397 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:38,459 INFO L231 Difference]: Finished difference. Result has 385 places, 397 transitions, 804 flow [2024-10-24 15:30:38,459 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=804, PETRI_PLACES=385, PETRI_TRANSITIONS=397} [2024-10-24 15:30:38,460 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -7 predicate places. [2024-10-24 15:30:38,460 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 397 transitions, 804 flow [2024-10-24 15:30:38,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-10-24 15:30:38,461 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:38,462 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:38,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:30:38,462 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:38,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:38,463 INFO L85 PathProgramCache]: Analyzing trace with hash -337939069, now seen corresponding path program 1 times [2024-10-24 15:30:38,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:38,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770227920] [2024-10-24 15:30:38,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:38,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:38,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:38,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:38,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770227920] [2024-10-24 15:30:38,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770227920] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:38,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:38,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:38,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696391224] [2024-10-24 15:30:38,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:38,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:38,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:38,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:38,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:38,553 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 430 [2024-10-24 15:30:38,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 397 transitions, 804 flow. Second operand has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-10-24 15:30:38,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:38,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 430 [2024-10-24 15:30:38,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:38,702 INFO L124 PetriNetUnfolderBase]: 50/620 cut-off events. [2024-10-24 15:30:38,703 INFO L125 PetriNetUnfolderBase]: For 9/12 co-relation queries the response was YES. [2024-10-24 15:30:38,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 681 conditions, 620 events. 50/620 cut-off events. For 9/12 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3102 event pairs, 20 based on Foata normal form. 0/516 useless extension candidates. Maximal degree in co-relation 639. Up to 50 conditions per place. [2024-10-24 15:30:38,711 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 13 selfloop transitions, 2 changer transitions 0/396 dead transitions. [2024-10-24 15:30:38,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 396 transitions, 832 flow [2024-10-24 15:30:38,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:38,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:38,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1228 transitions. [2024-10-24 15:30:38,714 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.951937984496124 [2024-10-24 15:30:38,714 INFO L175 Difference]: Start difference. First operand has 385 places, 397 transitions, 804 flow. Second operand 3 states and 1228 transitions. [2024-10-24 15:30:38,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 396 transitions, 832 flow [2024-10-24 15:30:38,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 396 transitions, 828 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:38,719 INFO L231 Difference]: Finished difference. Result has 384 places, 396 transitions, 802 flow [2024-10-24 15:30:38,720 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=802, PETRI_PLACES=384, PETRI_TRANSITIONS=396} [2024-10-24 15:30:38,721 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -8 predicate places. [2024-10-24 15:30:38,722 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 396 transitions, 802 flow [2024-10-24 15:30:38,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-10-24 15:30:38,723 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:38,723 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] [2024-10-24 15:30:38,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:30:38,724 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:38,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:38,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1034750040, now seen corresponding path program 1 times [2024-10-24 15:30:38,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:38,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772860381] [2024-10-24 15:30:38,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:38,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:38,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:38,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:38,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772860381] [2024-10-24 15:30:38,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772860381] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:38,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:38,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:38,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914695083] [2024-10-24 15:30:38,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:38,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:38,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:38,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:38,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:38,823 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 430 [2024-10-24 15:30:38,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 396 transitions, 802 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-10-24 15:30:38,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:38,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 430 [2024-10-24 15:30:38,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:38,982 INFO L124 PetriNetUnfolderBase]: 117/1364 cut-off events. [2024-10-24 15:30:38,982 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-24 15:30:38,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1476 conditions, 1364 events. 117/1364 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 9907 event pairs, 39 based on Foata normal form. 0/1100 useless extension candidates. Maximal degree in co-relation 1426. Up to 85 conditions per place. [2024-10-24 15:30:39,004 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 15 selfloop transitions, 2 changer transitions 0/395 dead transitions. [2024-10-24 15:30:39,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 395 transitions, 834 flow [2024-10-24 15:30:39,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:39,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:39,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2024-10-24 15:30:39,009 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9488372093023256 [2024-10-24 15:30:39,009 INFO L175 Difference]: Start difference. First operand has 384 places, 396 transitions, 802 flow. Second operand 3 states and 1224 transitions. [2024-10-24 15:30:39,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 395 transitions, 834 flow [2024-10-24 15:30:39,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 395 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:39,015 INFO L231 Difference]: Finished difference. Result has 383 places, 395 transitions, 800 flow [2024-10-24 15:30:39,016 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=796, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=800, PETRI_PLACES=383, PETRI_TRANSITIONS=395} [2024-10-24 15:30:39,017 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -9 predicate places. [2024-10-24 15:30:39,017 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 395 transitions, 800 flow [2024-10-24 15:30:39,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-10-24 15:30:39,018 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:39,018 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] [2024-10-24 15:30:39,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:30:39,020 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:39,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:39,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1308583354, now seen corresponding path program 1 times [2024-10-24 15:30:39,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:39,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072030983] [2024-10-24 15:30:39,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:39,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:39,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:39,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:39,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072030983] [2024-10-24 15:30:39,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072030983] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:39,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:39,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:39,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618378162] [2024-10-24 15:30:39,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:39,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:39,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:39,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:39,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:39,119 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 430 [2024-10-24 15:30:39,121 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 395 transitions, 800 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-10-24 15:30:39,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:39,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 430 [2024-10-24 15:30:39,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:39,242 INFO L124 PetriNetUnfolderBase]: 69/871 cut-off events. [2024-10-24 15:30:39,243 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-24 15:30:39,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 944 conditions, 871 events. 69/871 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5269 event pairs, 21 based on Foata normal form. 0/715 useless extension candidates. Maximal degree in co-relation 886. Up to 58 conditions per place. [2024-10-24 15:30:39,257 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 15 selfloop transitions, 2 changer transitions 0/394 dead transitions. [2024-10-24 15:30:39,258 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 394 transitions, 832 flow [2024-10-24 15:30:39,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:39,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:39,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2024-10-24 15:30:39,260 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9488372093023256 [2024-10-24 15:30:39,260 INFO L175 Difference]: Start difference. First operand has 383 places, 395 transitions, 800 flow. Second operand 3 states and 1224 transitions. [2024-10-24 15:30:39,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 394 transitions, 832 flow [2024-10-24 15:30:39,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 394 transitions, 828 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:39,267 INFO L231 Difference]: Finished difference. Result has 382 places, 394 transitions, 798 flow [2024-10-24 15:30:39,269 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=798, PETRI_PLACES=382, PETRI_TRANSITIONS=394} [2024-10-24 15:30:39,270 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -10 predicate places. [2024-10-24 15:30:39,270 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 394 transitions, 798 flow [2024-10-24 15:30:39,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-10-24 15:30:39,272 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:39,272 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:39,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:30:39,272 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:39,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:39,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1633748031, now seen corresponding path program 1 times [2024-10-24 15:30:39,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:39,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932117789] [2024-10-24 15:30:39,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:39,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:39,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:39,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:39,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932117789] [2024-10-24 15:30:39,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932117789] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:39,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:39,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:39,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426480920] [2024-10-24 15:30:39,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:39,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:39,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:39,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:39,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:39,360 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 430 [2024-10-24 15:30:39,361 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 394 transitions, 798 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-10-24 15:30:39,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:39,361 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 430 [2024-10-24 15:30:39,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:39,491 INFO L124 PetriNetUnfolderBase]: 117/1332 cut-off events. [2024-10-24 15:30:39,491 INFO L125 PetriNetUnfolderBase]: For 21/26 co-relation queries the response was YES. [2024-10-24 15:30:39,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1429 conditions, 1332 events. 117/1332 cut-off events. For 21/26 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 8607 event pairs, 39 based on Foata normal form. 0/1080 useless extension candidates. Maximal degree in co-relation 1363. Up to 85 conditions per place. [2024-10-24 15:30:39,506 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 15 selfloop transitions, 2 changer transitions 0/393 dead transitions. [2024-10-24 15:30:39,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 393 transitions, 830 flow [2024-10-24 15:30:39,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:39,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:39,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2024-10-24 15:30:39,509 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9488372093023256 [2024-10-24 15:30:39,509 INFO L175 Difference]: Start difference. First operand has 382 places, 394 transitions, 798 flow. Second operand 3 states and 1224 transitions. [2024-10-24 15:30:39,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 393 transitions, 830 flow [2024-10-24 15:30:39,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 393 transitions, 826 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:39,556 INFO L231 Difference]: Finished difference. Result has 381 places, 393 transitions, 796 flow [2024-10-24 15:30:39,557 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=796, PETRI_PLACES=381, PETRI_TRANSITIONS=393} [2024-10-24 15:30:39,559 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -11 predicate places. [2024-10-24 15:30:39,559 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 393 transitions, 796 flow [2024-10-24 15:30:39,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-10-24 15:30:39,560 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:39,560 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:39,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:30:39,561 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:39,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:39,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1920223402, now seen corresponding path program 1 times [2024-10-24 15:30:39,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:39,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187132206] [2024-10-24 15:30:39,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:39,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:39,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:39,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:39,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187132206] [2024-10-24 15:30:39,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187132206] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:39,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:39,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:39,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598260925] [2024-10-24 15:30:39,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:39,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:39,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:39,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:39,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:39,642 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 430 [2024-10-24 15:30:39,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 393 transitions, 796 flow. Second operand has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 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) [2024-10-24 15:30:39,644 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:39,644 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 430 [2024-10-24 15:30:39,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:39,983 INFO L124 PetriNetUnfolderBase]: 284/2636 cut-off events. [2024-10-24 15:30:39,983 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-10-24 15:30:39,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2953 conditions, 2636 events. 284/2636 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 24560 event pairs, 117 based on Foata normal form. 0/2193 useless extension candidates. Maximal degree in co-relation 2879. Up to 251 conditions per place. [2024-10-24 15:30:40,005 INFO L140 encePairwiseOnDemand]: 422/430 looper letters, 21 selfloop transitions, 2 changer transitions 0/391 dead transitions. [2024-10-24 15:30:40,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 391 transitions, 840 flow [2024-10-24 15:30:40,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:40,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:40,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1217 transitions. [2024-10-24 15:30:40,008 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9434108527131783 [2024-10-24 15:30:40,008 INFO L175 Difference]: Start difference. First operand has 381 places, 393 transitions, 796 flow. Second operand 3 states and 1217 transitions. [2024-10-24 15:30:40,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 391 transitions, 840 flow [2024-10-24 15:30:40,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 391 transitions, 836 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:40,014 INFO L231 Difference]: Finished difference. Result has 376 places, 389 transitions, 794 flow [2024-10-24 15:30:40,015 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=794, PETRI_PLACES=376, PETRI_TRANSITIONS=389} [2024-10-24 15:30:40,015 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -16 predicate places. [2024-10-24 15:30:40,015 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 389 transitions, 794 flow [2024-10-24 15:30:40,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 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) [2024-10-24 15:30:40,016 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:40,016 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:40,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:30:40,017 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:40,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:40,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1501280024, now seen corresponding path program 1 times [2024-10-24 15:30:40,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:40,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118971573] [2024-10-24 15:30:40,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:40,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:40,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:40,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:40,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118971573] [2024-10-24 15:30:40,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118971573] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:40,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:40,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:40,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987134839] [2024-10-24 15:30:40,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:40,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:40,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:40,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:40,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:40,093 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 430 [2024-10-24 15:30:40,095 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 389 transitions, 794 flow. Second operand has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 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) [2024-10-24 15:30:40,095 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:40,095 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 430 [2024-10-24 15:30:40,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:40,330 INFO L124 PetriNetUnfolderBase]: 151/1516 cut-off events. [2024-10-24 15:30:40,330 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-10-24 15:30:40,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1680 conditions, 1516 events. 151/1516 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 11431 event pairs, 52 based on Foata normal form. 0/1274 useless extension candidates. Maximal degree in co-relation 1504. Up to 135 conditions per place. [2024-10-24 15:30:40,353 INFO L140 encePairwiseOnDemand]: 422/430 looper letters, 21 selfloop transitions, 2 changer transitions 0/387 dead transitions. [2024-10-24 15:30:40,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 387 transitions, 838 flow [2024-10-24 15:30:40,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:40,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1217 transitions. [2024-10-24 15:30:40,355 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9434108527131783 [2024-10-24 15:30:40,355 INFO L175 Difference]: Start difference. First operand has 376 places, 389 transitions, 794 flow. Second operand 3 states and 1217 transitions. [2024-10-24 15:30:40,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 387 transitions, 838 flow [2024-10-24 15:30:40,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 387 transitions, 838 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:30:40,360 INFO L231 Difference]: Finished difference. Result has 373 places, 385 transitions, 796 flow [2024-10-24 15:30:40,360 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=796, PETRI_PLACES=373, PETRI_TRANSITIONS=385} [2024-10-24 15:30:40,362 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -19 predicate places. [2024-10-24 15:30:40,363 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 385 transitions, 796 flow [2024-10-24 15:30:40,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 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) [2024-10-24 15:30:40,364 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:40,364 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:40,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:30:40,365 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:40,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:40,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1400118740, now seen corresponding path program 1 times [2024-10-24 15:30:40,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:40,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961908174] [2024-10-24 15:30:40,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:40,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:40,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:40,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:40,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961908174] [2024-10-24 15:30:40,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961908174] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:40,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:40,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:40,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435673273] [2024-10-24 15:30:40,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:40,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:40,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:40,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:40,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:40,439 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 430 [2024-10-24 15:30:40,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 385 transitions, 796 flow. Second operand has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 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) [2024-10-24 15:30:40,440 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:40,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 430 [2024-10-24 15:30:40,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:40,799 INFO L124 PetriNetUnfolderBase]: 505/4357 cut-off events. [2024-10-24 15:30:40,799 INFO L125 PetriNetUnfolderBase]: For 63/71 co-relation queries the response was YES. [2024-10-24 15:30:40,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4838 conditions, 4357 events. 505/4357 cut-off events. For 63/71 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 44552 event pairs, 126 based on Foata normal form. 0/3687 useless extension candidates. Maximal degree in co-relation 3641. Up to 445 conditions per place. [2024-10-24 15:30:40,840 INFO L140 encePairwiseOnDemand]: 422/430 looper letters, 21 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2024-10-24 15:30:40,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 383 transitions, 840 flow [2024-10-24 15:30:40,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:40,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:40,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1217 transitions. [2024-10-24 15:30:40,843 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9434108527131783 [2024-10-24 15:30:40,843 INFO L175 Difference]: Start difference. First operand has 373 places, 385 transitions, 796 flow. Second operand 3 states and 1217 transitions. [2024-10-24 15:30:40,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 383 transitions, 840 flow [2024-10-24 15:30:40,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 383 transitions, 840 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:30:40,847 INFO L231 Difference]: Finished difference. Result has 370 places, 381 transitions, 798 flow [2024-10-24 15:30:40,848 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=798, PETRI_PLACES=370, PETRI_TRANSITIONS=381} [2024-10-24 15:30:40,849 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -22 predicate places. [2024-10-24 15:30:40,849 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 381 transitions, 798 flow [2024-10-24 15:30:40,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 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) [2024-10-24 15:30:40,850 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:40,850 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:40,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:30:40,850 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:40,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:40,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1481210219, now seen corresponding path program 1 times [2024-10-24 15:30:40,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:40,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120501908] [2024-10-24 15:30:40,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:40,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:40,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:40,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:40,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120501908] [2024-10-24 15:30:40,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120501908] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:40,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:40,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:30:40,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238186520] [2024-10-24 15:30:40,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:40,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:40,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:40,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:40,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:40,914 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2024-10-24 15:30:40,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 381 transitions, 798 flow. Second operand has 3 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 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) [2024-10-24 15:30:40,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:40,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2024-10-24 15:30:40,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:41,046 INFO L124 PetriNetUnfolderBase]: 98/1285 cut-off events. [2024-10-24 15:30:41,047 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:30:41,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1388 conditions, 1285 events. 98/1285 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 9496 event pairs, 10 based on Foata normal form. 0/1105 useless extension candidates. Maximal degree in co-relation 1124. Up to 35 conditions per place. [2024-10-24 15:30:41,060 INFO L140 encePairwiseOnDemand]: 426/430 looper letters, 14 selfloop transitions, 3 changer transitions 0/385 dead transitions. [2024-10-24 15:30:41,060 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 385 transitions, 842 flow [2024-10-24 15:30:41,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:41,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:41,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1242 transitions. [2024-10-24 15:30:41,062 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9627906976744186 [2024-10-24 15:30:41,062 INFO L175 Difference]: Start difference. First operand has 370 places, 381 transitions, 798 flow. Second operand 3 states and 1242 transitions. [2024-10-24 15:30:41,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 385 transitions, 842 flow [2024-10-24 15:30:41,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 385 transitions, 842 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:30:41,067 INFO L231 Difference]: Finished difference. Result has 374 places, 383 transitions, 820 flow [2024-10-24 15:30:41,067 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=374, PETRI_TRANSITIONS=383} [2024-10-24 15:30:41,068 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -18 predicate places. [2024-10-24 15:30:41,068 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 383 transitions, 820 flow [2024-10-24 15:30:41,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 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) [2024-10-24 15:30:41,069 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:41,069 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:41,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 15:30:41,069 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:41,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:41,069 INFO L85 PathProgramCache]: Analyzing trace with hash 955479565, now seen corresponding path program 1 times [2024-10-24 15:30:41,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:41,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591563220] [2024-10-24 15:30:41,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:41,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:41,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:41,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:41,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591563220] [2024-10-24 15:30:41,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591563220] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:41,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:41,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:41,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999260648] [2024-10-24 15:30:41,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:41,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:41,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:41,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:41,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:41,112 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 430 [2024-10-24 15:30:41,114 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 383 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-10-24 15:30:41,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:41,114 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 430 [2024-10-24 15:30:41,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:41,337 INFO L124 PetriNetUnfolderBase]: 206/2208 cut-off events. [2024-10-24 15:30:41,337 INFO L125 PetriNetUnfolderBase]: For 28/34 co-relation queries the response was YES. [2024-10-24 15:30:41,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2500 conditions, 2208 events. 206/2208 cut-off events. For 28/34 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 19276 event pairs, 16 based on Foata normal form. 1/1935 useless extension candidates. Maximal degree in co-relation 2113. Up to 166 conditions per place. [2024-10-24 15:30:41,366 INFO L140 encePairwiseOnDemand]: 422/430 looper letters, 20 selfloop transitions, 4 changer transitions 0/388 dead transitions. [2024-10-24 15:30:41,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 388 transitions, 883 flow [2024-10-24 15:30:41,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:41,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:41,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1234 transitions. [2024-10-24 15:30:41,369 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9565891472868217 [2024-10-24 15:30:41,369 INFO L175 Difference]: Start difference. First operand has 374 places, 383 transitions, 820 flow. Second operand 3 states and 1234 transitions. [2024-10-24 15:30:41,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 388 transitions, 883 flow [2024-10-24 15:30:41,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 388 transitions, 877 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:41,374 INFO L231 Difference]: Finished difference. Result has 371 places, 383 transitions, 834 flow [2024-10-24 15:30:41,375 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=834, PETRI_PLACES=371, PETRI_TRANSITIONS=383} [2024-10-24 15:30:41,375 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -21 predicate places. [2024-10-24 15:30:41,375 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 383 transitions, 834 flow [2024-10-24 15:30:41,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-10-24 15:30:41,376 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:41,376 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:41,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 15:30:41,376 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:41,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:41,377 INFO L85 PathProgramCache]: Analyzing trace with hash -907105805, now seen corresponding path program 1 times [2024-10-24 15:30:41,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:41,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684929246] [2024-10-24 15:30:41,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:41,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:41,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:41,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:41,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684929246] [2024-10-24 15:30:41,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684929246] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:41,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:41,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:41,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240930698] [2024-10-24 15:30:41,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:41,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:41,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:41,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:41,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:41,422 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 430 [2024-10-24 15:30:41,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 383 transitions, 834 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-10-24 15:30:41,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:41,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 430 [2024-10-24 15:30:41,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:41,747 INFO L124 PetriNetUnfolderBase]: 262/2943 cut-off events. [2024-10-24 15:30:41,748 INFO L125 PetriNetUnfolderBase]: For 34/65 co-relation queries the response was YES. [2024-10-24 15:30:41,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3279 conditions, 2943 events. 262/2943 cut-off events. For 34/65 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 26403 event pairs, 36 based on Foata normal form. 2/2571 useless extension candidates. Maximal degree in co-relation 2942. Up to 198 conditions per place. [2024-10-24 15:30:41,792 INFO L140 encePairwiseOnDemand]: 422/430 looper letters, 20 selfloop transitions, 4 changer transitions 0/388 dead transitions. [2024-10-24 15:30:41,792 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 388 transitions, 897 flow [2024-10-24 15:30:41,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:41,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:41,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1234 transitions. [2024-10-24 15:30:41,795 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9565891472868217 [2024-10-24 15:30:41,795 INFO L175 Difference]: Start difference. First operand has 371 places, 383 transitions, 834 flow. Second operand 3 states and 1234 transitions. [2024-10-24 15:30:41,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 388 transitions, 897 flow [2024-10-24 15:30:41,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 388 transitions, 897 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:30:41,801 INFO L231 Difference]: Finished difference. Result has 370 places, 383 transitions, 854 flow [2024-10-24 15:30:41,802 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=854, PETRI_PLACES=370, PETRI_TRANSITIONS=383} [2024-10-24 15:30:41,802 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -22 predicate places. [2024-10-24 15:30:41,802 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 383 transitions, 854 flow [2024-10-24 15:30:41,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-10-24 15:30:41,803 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:41,803 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:41,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 15:30:41,804 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:41,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:41,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1268745015, now seen corresponding path program 1 times [2024-10-24 15:30:41,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:41,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66311978] [2024-10-24 15:30:41,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:41,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:41,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:41,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:41,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66311978] [2024-10-24 15:30:41,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66311978] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:41,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:41,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:41,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258389705] [2024-10-24 15:30:41,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:41,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:41,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:41,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:41,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:41,844 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 430 [2024-10-24 15:30:41,845 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 383 transitions, 854 flow. Second operand has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 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) [2024-10-24 15:30:41,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:41,846 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 430 [2024-10-24 15:30:41,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:42,158 INFO L124 PetriNetUnfolderBase]: 236/2977 cut-off events. [2024-10-24 15:30:42,159 INFO L125 PetriNetUnfolderBase]: For 6/35 co-relation queries the response was YES. [2024-10-24 15:30:42,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3305 conditions, 2977 events. 236/2977 cut-off events. For 6/35 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 27839 event pairs, 14 based on Foata normal form. 4/2617 useless extension candidates. Maximal degree in co-relation 2968. Up to 62 conditions per place. [2024-10-24 15:30:42,196 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 11 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2024-10-24 15:30:42,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 384 transitions, 884 flow [2024-10-24 15:30:42,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:42,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:42,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1241 transitions. [2024-10-24 15:30:42,198 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.962015503875969 [2024-10-24 15:30:42,198 INFO L175 Difference]: Start difference. First operand has 370 places, 383 transitions, 854 flow. Second operand 3 states and 1241 transitions. [2024-10-24 15:30:42,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 384 transitions, 884 flow [2024-10-24 15:30:42,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 384 transitions, 884 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:30:42,203 INFO L231 Difference]: Finished difference. Result has 371 places, 382 transitions, 856 flow [2024-10-24 15:30:42,203 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=852, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=856, PETRI_PLACES=371, PETRI_TRANSITIONS=382} [2024-10-24 15:30:42,204 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -21 predicate places. [2024-10-24 15:30:42,204 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 382 transitions, 856 flow [2024-10-24 15:30:42,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 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) [2024-10-24 15:30:42,205 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:42,205 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:42,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 15:30:42,205 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:42,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:42,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1959498791, now seen corresponding path program 1 times [2024-10-24 15:30:42,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:42,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29503523] [2024-10-24 15:30:42,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:42,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:42,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:42,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:42,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29503523] [2024-10-24 15:30:42,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29503523] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:42,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:42,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:30:42,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494350254] [2024-10-24 15:30:42,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:42,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:42,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:42,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:42,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:42,236 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2024-10-24 15:30:42,237 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 382 transitions, 856 flow. Second operand has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 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) [2024-10-24 15:30:42,237 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:42,237 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2024-10-24 15:30:42,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:42,648 INFO L124 PetriNetUnfolderBase]: 260/2958 cut-off events. [2024-10-24 15:30:42,648 INFO L125 PetriNetUnfolderBase]: For 27/76 co-relation queries the response was YES. [2024-10-24 15:30:42,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3377 conditions, 2958 events. 260/2958 cut-off events. For 27/76 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 27904 event pairs, 42 based on Foata normal form. 0/2586 useless extension candidates. Maximal degree in co-relation 2920. Up to 136 conditions per place. [2024-10-24 15:30:42,689 INFO L140 encePairwiseOnDemand]: 426/430 looper letters, 14 selfloop transitions, 3 changer transitions 0/386 dead transitions. [2024-10-24 15:30:42,689 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 386 transitions, 900 flow [2024-10-24 15:30:42,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:42,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:42,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1242 transitions. [2024-10-24 15:30:42,692 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9627906976744186 [2024-10-24 15:30:42,692 INFO L175 Difference]: Start difference. First operand has 371 places, 382 transitions, 856 flow. Second operand 3 states and 1242 transitions. [2024-10-24 15:30:42,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 386 transitions, 900 flow [2024-10-24 15:30:42,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 386 transitions, 896 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:42,697 INFO L231 Difference]: Finished difference. Result has 373 places, 384 transitions, 874 flow [2024-10-24 15:30:42,697 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=852, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=874, PETRI_PLACES=373, PETRI_TRANSITIONS=384} [2024-10-24 15:30:42,698 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -19 predicate places. [2024-10-24 15:30:42,698 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 384 transitions, 874 flow [2024-10-24 15:30:42,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 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) [2024-10-24 15:30:42,699 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:42,699 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:42,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 15:30:42,699 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:42,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:42,700 INFO L85 PathProgramCache]: Analyzing trace with hash -804587533, now seen corresponding path program 1 times [2024-10-24 15:30:42,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:42,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086667784] [2024-10-24 15:30:42,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:42,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:42,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:42,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:42,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086667784] [2024-10-24 15:30:42,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086667784] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:42,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:42,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:42,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876194849] [2024-10-24 15:30:42,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:42,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:42,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:42,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:42,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:42,741 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2024-10-24 15:30:42,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 384 transitions, 874 flow. Second operand has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 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) [2024-10-24 15:30:42,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:42,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2024-10-24 15:30:42,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:43,137 INFO L124 PetriNetUnfolderBase]: 390/4199 cut-off events. [2024-10-24 15:30:43,137 INFO L125 PetriNetUnfolderBase]: For 60/116 co-relation queries the response was YES. [2024-10-24 15:30:43,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4849 conditions, 4199 events. 390/4199 cut-off events. For 60/116 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 42591 event pairs, 32 based on Foata normal form. 2/3712 useless extension candidates. Maximal degree in co-relation 3856. Up to 132 conditions per place. [2024-10-24 15:30:43,181 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 12 selfloop transitions, 2 changer transitions 0/385 dead transitions. [2024-10-24 15:30:43,181 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 385 transitions, 906 flow [2024-10-24 15:30:43,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:43,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:43,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1239 transitions. [2024-10-24 15:30:43,183 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9604651162790697 [2024-10-24 15:30:43,183 INFO L175 Difference]: Start difference. First operand has 373 places, 384 transitions, 874 flow. Second operand 3 states and 1239 transitions. [2024-10-24 15:30:43,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 385 transitions, 906 flow [2024-10-24 15:30:43,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 385 transitions, 900 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:43,187 INFO L231 Difference]: Finished difference. Result has 372 places, 383 transitions, 870 flow [2024-10-24 15:30:43,188 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=866, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=870, PETRI_PLACES=372, PETRI_TRANSITIONS=383} [2024-10-24 15:30:43,188 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -20 predicate places. [2024-10-24 15:30:43,188 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 383 transitions, 870 flow [2024-10-24 15:30:43,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 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) [2024-10-24 15:30:43,189 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:43,189 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:43,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 15:30:43,189 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:43,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:43,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1314528943, now seen corresponding path program 1 times [2024-10-24 15:30:43,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:43,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569019320] [2024-10-24 15:30:43,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:43,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:43,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:43,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:43,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569019320] [2024-10-24 15:30:43,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569019320] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:43,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:43,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:43,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593866130] [2024-10-24 15:30:43,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:43,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:43,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:43,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:43,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:43,225 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 430 [2024-10-24 15:30:43,226 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 383 transitions, 870 flow. Second operand has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 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) [2024-10-24 15:30:43,227 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:43,227 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 430 [2024-10-24 15:30:43,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:43,720 INFO L124 PetriNetUnfolderBase]: 648/5839 cut-off events. [2024-10-24 15:30:43,721 INFO L125 PetriNetUnfolderBase]: For 74/82 co-relation queries the response was YES. [2024-10-24 15:30:43,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6872 conditions, 5839 events. 648/5839 cut-off events. For 74/82 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 64362 event pairs, 68 based on Foata normal form. 1/5262 useless extension candidates. Maximal degree in co-relation 5944. Up to 585 conditions per place. [2024-10-24 15:30:43,771 INFO L140 encePairwiseOnDemand]: 422/430 looper letters, 19 selfloop transitions, 4 changer transitions 0/387 dead transitions. [2024-10-24 15:30:43,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 387 transitions, 928 flow [2024-10-24 15:30:43,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:43,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:43,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1233 transitions. [2024-10-24 15:30:43,774 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9558139534883721 [2024-10-24 15:30:43,774 INFO L175 Difference]: Start difference. First operand has 372 places, 383 transitions, 870 flow. Second operand 3 states and 1233 transitions. [2024-10-24 15:30:43,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 387 transitions, 928 flow [2024-10-24 15:30:43,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 387 transitions, 924 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:43,780 INFO L231 Difference]: Finished difference. Result has 369 places, 383 transitions, 886 flow [2024-10-24 15:30:43,780 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=886, PETRI_PLACES=369, PETRI_TRANSITIONS=383} [2024-10-24 15:30:43,781 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -23 predicate places. [2024-10-24 15:30:43,781 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 383 transitions, 886 flow [2024-10-24 15:30:43,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 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) [2024-10-24 15:30:43,782 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:43,782 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:43,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 15:30:43,782 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:43,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:43,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1473838492, now seen corresponding path program 1 times [2024-10-24 15:30:43,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:43,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351756774] [2024-10-24 15:30:43,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:43,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:43,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:43,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:43,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351756774] [2024-10-24 15:30:43,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351756774] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:43,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:43,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:30:43,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462524931] [2024-10-24 15:30:43,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:43,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:43,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:43,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:43,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:43,815 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2024-10-24 15:30:43,817 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 383 transitions, 886 flow. Second operand has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 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) [2024-10-24 15:30:43,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:43,817 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2024-10-24 15:30:43,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:44,210 INFO L124 PetriNetUnfolderBase]: 413/3953 cut-off events. [2024-10-24 15:30:44,211 INFO L125 PetriNetUnfolderBase]: For 107/136 co-relation queries the response was YES. [2024-10-24 15:30:44,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4768 conditions, 3953 events. 413/3953 cut-off events. For 107/136 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 39234 event pairs, 64 based on Foata normal form. 2/3510 useless extension candidates. Maximal degree in co-relation 4191. Up to 287 conditions per place. [2024-10-24 15:30:44,250 INFO L140 encePairwiseOnDemand]: 426/430 looper letters, 14 selfloop transitions, 3 changer transitions 0/387 dead transitions. [2024-10-24 15:30:44,251 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 387 transitions, 930 flow [2024-10-24 15:30:44,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:44,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:44,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1242 transitions. [2024-10-24 15:30:44,253 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9627906976744186 [2024-10-24 15:30:44,253 INFO L175 Difference]: Start difference. First operand has 369 places, 383 transitions, 886 flow. Second operand 3 states and 1242 transitions. [2024-10-24 15:30:44,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 387 transitions, 930 flow [2024-10-24 15:30:44,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 387 transitions, 930 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:30:44,260 INFO L231 Difference]: Finished difference. Result has 373 places, 385 transitions, 908 flow [2024-10-24 15:30:44,261 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=908, PETRI_PLACES=373, PETRI_TRANSITIONS=385} [2024-10-24 15:30:44,261 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -19 predicate places. [2024-10-24 15:30:44,261 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 385 transitions, 908 flow [2024-10-24 15:30:44,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 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) [2024-10-24 15:30:44,262 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:44,262 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:44,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 15:30:44,262 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:44,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:44,263 INFO L85 PathProgramCache]: Analyzing trace with hash 853128936, now seen corresponding path program 1 times [2024-10-24 15:30:44,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:44,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352438023] [2024-10-24 15:30:44,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:44,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:44,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:44,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:44,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352438023] [2024-10-24 15:30:44,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352438023] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:44,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:44,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:44,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68825808] [2024-10-24 15:30:44,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:44,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:44,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:44,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:44,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:44,314 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2024-10-24 15:30:44,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 385 transitions, 908 flow. Second operand has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 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) [2024-10-24 15:30:44,316 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:44,316 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2024-10-24 15:30:44,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:44,743 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1183] L56-51-->L56-52: Formula: true InVars {} OutVars{thread3Thread1of1ForFork2_#t~nondet24#1=|v_thread3Thread1of1ForFork2_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_#t~nondet24#1][257], [Black: 448#(not |thread1Thread1of1ForFork0_#t~short3#1|), 436#(= |#race~sort_label_is_null_1~0| 0), Black: 451#true, 457#(= |#race~sort_label_2~0| 0), 302#L56-52true, 479#true, Black: 455#true, 254#L76true, 440#(= |#race~sort_label_is_null_3~0| 0), Black: 464#(not |thread2Thread1of1ForFork1_#t~short11#1|), 474#true, Black: 434#true, 444#(= |#race~sort_label_is_null_5~0| 0), 472#(= |#race~sort_label_4~0| 0), Black: 470#true, Black: 438#true, Black: 442#true, Black: 476#(not |thread3Thread1of1ForFork2_#t~short19#1|), 453#(= |#race~sort_label_0~0| 0)]) [2024-10-24 15:30:44,744 INFO L294 olderBase$Statistics]: this new event has 176 ancestors and is cut-off event [2024-10-24 15:30:44,744 INFO L297 olderBase$Statistics]: existing Event has 173 ancestors and is cut-off event [2024-10-24 15:30:44,744 INFO L297 olderBase$Statistics]: existing Event has 173 ancestors and is cut-off event [2024-10-24 15:30:44,744 INFO L297 olderBase$Statistics]: existing Event has 181 ancestors and is cut-off event [2024-10-24 15:30:44,765 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1183] L56-51-->L56-52: Formula: true InVars {} OutVars{thread3Thread1of1ForFork2_#t~nondet24#1=|v_thread3Thread1of1ForFork2_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_#t~nondet24#1][257], [Black: 448#(not |thread1Thread1of1ForFork0_#t~short3#1|), 436#(= |#race~sort_label_is_null_1~0| 0), Black: 451#true, 457#(= |#race~sort_label_2~0| 0), 302#L56-52true, 479#true, Black: 455#true, 254#L76true, 440#(= |#race~sort_label_is_null_3~0| 0), Black: 464#(not |thread2Thread1of1ForFork1_#t~short11#1|), Black: 434#true, 444#(= |#race~sort_label_is_null_5~0| 0), 472#(= |#race~sort_label_4~0| 0), Black: 470#true, Black: 438#true, Black: 442#true, Black: 474#true, 476#(not |thread3Thread1of1ForFork2_#t~short19#1|), 453#(= |#race~sort_label_0~0| 0)]) [2024-10-24 15:30:44,766 INFO L294 olderBase$Statistics]: this new event has 173 ancestors and is not cut-off event [2024-10-24 15:30:44,766 INFO L297 olderBase$Statistics]: existing Event has 177 ancestors and is not cut-off event [2024-10-24 15:30:44,766 INFO L297 olderBase$Statistics]: existing Event has 177 ancestors and is not cut-off event [2024-10-24 15:30:44,766 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is not cut-off event [2024-10-24 15:30:44,778 INFO L124 PetriNetUnfolderBase]: 392/3250 cut-off events. [2024-10-24 15:30:44,779 INFO L125 PetriNetUnfolderBase]: For 208/236 co-relation queries the response was YES. [2024-10-24 15:30:44,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4302 conditions, 3250 events. 392/3250 cut-off events. For 208/236 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 31507 event pairs, 48 based on Foata normal form. 2/2986 useless extension candidates. Maximal degree in co-relation 3700. Up to 248 conditions per place. [2024-10-24 15:30:44,817 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 12 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2024-10-24 15:30:44,817 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 386 transitions, 940 flow [2024-10-24 15:30:44,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:44,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:44,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1239 transitions. [2024-10-24 15:30:44,820 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9604651162790697 [2024-10-24 15:30:44,820 INFO L175 Difference]: Start difference. First operand has 373 places, 385 transitions, 908 flow. Second operand 3 states and 1239 transitions. [2024-10-24 15:30:44,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 386 transitions, 940 flow [2024-10-24 15:30:44,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 386 transitions, 934 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:44,827 INFO L231 Difference]: Finished difference. Result has 372 places, 384 transitions, 904 flow [2024-10-24 15:30:44,827 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=900, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=904, PETRI_PLACES=372, PETRI_TRANSITIONS=384} [2024-10-24 15:30:44,828 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -20 predicate places. [2024-10-24 15:30:44,828 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 384 transitions, 904 flow [2024-10-24 15:30:44,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 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) [2024-10-24 15:30:44,828 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:44,829 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:44,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 15:30:44,829 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:44,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:44,829 INFO L85 PathProgramCache]: Analyzing trace with hash 2052204957, now seen corresponding path program 1 times [2024-10-24 15:30:44,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:44,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967700395] [2024-10-24 15:30:44,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:44,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:44,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:44,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:44,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967700395] [2024-10-24 15:30:44,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967700395] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:44,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:44,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:44,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550880319] [2024-10-24 15:30:44,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:44,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:44,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:44,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:44,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:44,896 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 430 [2024-10-24 15:30:44,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 384 transitions, 904 flow. Second operand has 3 states, 3 states have (on average 414.0) internal successors, (1242), 3 states have internal predecessors, (1242), 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) [2024-10-24 15:30:44,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:44,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 430 [2024-10-24 15:30:44,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:45,483 INFO L124 PetriNetUnfolderBase]: 388/4741 cut-off events. [2024-10-24 15:30:45,484 INFO L125 PetriNetUnfolderBase]: For 7/17 co-relation queries the response was YES. [2024-10-24 15:30:45,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5737 conditions, 4741 events. 388/4741 cut-off events. For 7/17 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 50231 event pairs, 11 based on Foata normal form. 0/4355 useless extension candidates. Maximal degree in co-relation 5160. Up to 210 conditions per place. [2024-10-24 15:30:45,539 INFO L140 encePairwiseOnDemand]: 428/430 looper letters, 8 selfloop transitions, 1 changer transitions 0/383 dead transitions. [2024-10-24 15:30:45,539 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 383 transitions, 920 flow [2024-10-24 15:30:45,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:45,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:45,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1243 transitions. [2024-10-24 15:30:45,541 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9635658914728682 [2024-10-24 15:30:45,541 INFO L175 Difference]: Start difference. First operand has 372 places, 384 transitions, 904 flow. Second operand 3 states and 1243 transitions. [2024-10-24 15:30:45,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 383 transitions, 920 flow [2024-10-24 15:30:45,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 383 transitions, 916 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:45,548 INFO L231 Difference]: Finished difference. Result has 371 places, 383 transitions, 900 flow [2024-10-24 15:30:45,548 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=900, PETRI_PLACES=371, PETRI_TRANSITIONS=383} [2024-10-24 15:30:45,549 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -21 predicate places. [2024-10-24 15:30:45,549 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 383 transitions, 900 flow [2024-10-24 15:30:45,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 414.0) internal successors, (1242), 3 states have internal predecessors, (1242), 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) [2024-10-24 15:30:45,550 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:45,551 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:45,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 15:30:45,551 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:45,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:45,552 INFO L85 PathProgramCache]: Analyzing trace with hash -2069889432, now seen corresponding path program 1 times [2024-10-24 15:30:45,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:45,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658743562] [2024-10-24 15:30:45,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:45,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:45,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:45,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:45,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658743562] [2024-10-24 15:30:45,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658743562] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:45,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:45,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:45,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418481553] [2024-10-24 15:30:45,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:45,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:45,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:45,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:45,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:45,631 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2024-10-24 15:30:45,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 383 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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) [2024-10-24 15:30:45,633 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:45,633 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2024-10-24 15:30:45,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:46,112 INFO L124 PetriNetUnfolderBase]: 447/5342 cut-off events. [2024-10-24 15:30:46,113 INFO L125 PetriNetUnfolderBase]: For 11/35 co-relation queries the response was YES. [2024-10-24 15:30:46,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6362 conditions, 5342 events. 447/5342 cut-off events. For 11/35 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 58440 event pairs, 25 based on Foata normal form. 0/4912 useless extension candidates. Maximal degree in co-relation 6230. Up to 193 conditions per place. [2024-10-24 15:30:46,168 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 10 selfloop transitions, 1 changer transitions 0/381 dead transitions. [2024-10-24 15:30:46,169 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 381 transitions, 918 flow [2024-10-24 15:30:46,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:46,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:46,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1237 transitions. [2024-10-24 15:30:46,171 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9589147286821705 [2024-10-24 15:30:46,171 INFO L175 Difference]: Start difference. First operand has 371 places, 383 transitions, 900 flow. Second operand 3 states and 1237 transitions. [2024-10-24 15:30:46,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 381 transitions, 918 flow [2024-10-24 15:30:46,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 381 transitions, 917 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:30:46,176 INFO L231 Difference]: Finished difference. Result has 370 places, 381 transitions, 897 flow [2024-10-24 15:30:46,177 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=895, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=897, PETRI_PLACES=370, PETRI_TRANSITIONS=381} [2024-10-24 15:30:46,177 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -22 predicate places. [2024-10-24 15:30:46,177 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 381 transitions, 897 flow [2024-10-24 15:30:46,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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) [2024-10-24 15:30:46,178 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:46,178 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:46,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 15:30:46,178 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-24 15:30:46,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:46,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1388669785, now seen corresponding path program 1 times [2024-10-24 15:30:46,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:46,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816164388] [2024-10-24 15:30:46,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:46,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:30:46,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:46,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816164388] [2024-10-24 15:30:46,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816164388] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:46,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:46,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:30:46,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31906410] [2024-10-24 15:30:46,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:46,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:46,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:46,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:46,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:46,217 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2024-10-24 15:30:46,218 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 381 transitions, 897 flow. Second operand has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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) [2024-10-24 15:30:46,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:46,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2024-10-24 15:30:46,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:46,525 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1188] L56-52-->L56-53: Formula: (= |v_#race~result_8~0_1| |v_thread3Thread1of1ForFork2_#t~nondet24#1_3|) InVars {thread3Thread1of1ForFork2_#t~nondet24#1=|v_thread3Thread1of1ForFork2_#t~nondet24#1_3|} OutVars{thread3Thread1of1ForFork2_#t~nondet24#1=|v_thread3Thread1of1ForFork2_#t~nondet24#1_3|, #race~result_8~0=|v_#race~result_8~0_1|} AuxVars[] AssignedVars[#race~result_8~0][269], [Black: 448#(not |thread1Thread1of1ForFork0_#t~short3#1|), 436#(= |#race~sort_label_is_null_1~0| 0), 485#true, Black: 451#true, 457#(= |#race~sort_label_2~0| 0), Black: 455#true, 254#L76true, 440#(= |#race~sort_label_is_null_3~0| 0), Black: 464#(not |thread2Thread1of1ForFork1_#t~short11#1|), 488#true, Black: 434#true, 444#(= |#race~sort_label_is_null_5~0| 0), 472#(= |#race~sort_label_4~0| 0), Black: 470#true, Black: 438#true, Black: 442#true, 393#L56-53true, Black: 476#(not |thread3Thread1of1ForFork2_#t~short19#1|), 453#(= |#race~sort_label_0~0| 0)]) [2024-10-24 15:30:46,525 INFO L294 olderBase$Statistics]: this new event has 182 ancestors and is cut-off event [2024-10-24 15:30:46,526 INFO L297 olderBase$Statistics]: existing Event has 174 ancestors and is cut-off event [2024-10-24 15:30:46,526 INFO L297 olderBase$Statistics]: existing Event has 177 ancestors and is cut-off event [2024-10-24 15:30:46,526 INFO L297 olderBase$Statistics]: existing Event has 174 ancestors and is cut-off event [2024-10-24 15:30:46,529 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1188] L56-52-->L56-53: Formula: (= |v_#race~result_8~0_1| |v_thread3Thread1of1ForFork2_#t~nondet24#1_3|) InVars {thread3Thread1of1ForFork2_#t~nondet24#1=|v_thread3Thread1of1ForFork2_#t~nondet24#1_3|} OutVars{thread3Thread1of1ForFork2_#t~nondet24#1=|v_thread3Thread1of1ForFork2_#t~nondet24#1_3|, #race~result_8~0=|v_#race~result_8~0_1|} AuxVars[] AssignedVars[#race~result_8~0][269], [Black: 448#(not |thread1Thread1of1ForFork0_#t~short3#1|), 436#(= |#race~sort_label_is_null_1~0| 0), 485#true, Black: 451#true, 457#(= |#race~sort_label_2~0| 0), Black: 455#true, 254#L76true, 440#(= |#race~sort_label_is_null_3~0| 0), Black: 464#(not |thread2Thread1of1ForFork1_#t~short11#1|), 488#true, Black: 434#true, 444#(= |#race~sort_label_is_null_5~0| 0), 472#(= |#race~sort_label_4~0| 0), Black: 438#true, Black: 470#true, Black: 474#true, Black: 442#true, 393#L56-53true, 453#(= |#race~sort_label_0~0| 0)]) [2024-10-24 15:30:46,530 INFO L294 olderBase$Statistics]: this new event has 174 ancestors and is not cut-off event [2024-10-24 15:30:46,530 INFO L297 olderBase$Statistics]: existing Event has 178 ancestors and is not cut-off event [2024-10-24 15:30:46,530 INFO L297 olderBase$Statistics]: existing Event has 186 ancestors and is not cut-off event [2024-10-24 15:30:46,530 INFO L297 olderBase$Statistics]: existing Event has 178 ancestors and is not cut-off event [2024-10-24 15:30:46,536 INFO L124 PetriNetUnfolderBase]: 285/2989 cut-off events. [2024-10-24 15:30:46,536 INFO L125 PetriNetUnfolderBase]: For 38/52 co-relation queries the response was YES. [2024-10-24 15:30:46,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3652 conditions, 2989 events. 285/2989 cut-off events. For 38/52 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 27973 event pairs, 33 based on Foata normal form. 5/2739 useless extension candidates. Maximal degree in co-relation 3575. Up to 150 conditions per place. [2024-10-24 15:30:46,554 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 0 selfloop transitions, 0 changer transitions 379/379 dead transitions. [2024-10-24 15:30:46,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 379 transitions, 913 flow [2024-10-24 15:30:46,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:46,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:46,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1236 transitions. [2024-10-24 15:30:46,557 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.958139534883721 [2024-10-24 15:30:46,557 INFO L175 Difference]: Start difference. First operand has 370 places, 381 transitions, 897 flow. Second operand 3 states and 1236 transitions. [2024-10-24 15:30:46,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 379 transitions, 913 flow [2024-10-24 15:30:46,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 379 transitions, 912 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:30:46,560 INFO L231 Difference]: Finished difference. Result has 369 places, 0 transitions, 0 flow [2024-10-24 15:30:46,560 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=369, PETRI_TRANSITIONS=0} [2024-10-24 15:30:46,561 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -23 predicate places. [2024-10-24 15:30:46,561 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 0 transitions, 0 flow [2024-10-24 15:30:46,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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) [2024-10-24 15:30:46,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (79 of 80 remaining) [2024-10-24 15:30:46,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (78 of 80 remaining) [2024-10-24 15:30:46,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (77 of 80 remaining) [2024-10-24 15:30:46,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (76 of 80 remaining) [2024-10-24 15:30:46,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (75 of 80 remaining) [2024-10-24 15:30:46,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (74 of 80 remaining) [2024-10-24 15:30:46,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (73 of 80 remaining) [2024-10-24 15:30:46,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (72 of 80 remaining) [2024-10-24 15:30:46,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (71 of 80 remaining) [2024-10-24 15:30:46,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (70 of 80 remaining) [2024-10-24 15:30:46,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (69 of 80 remaining) [2024-10-24 15:30:46,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (68 of 80 remaining) [2024-10-24 15:30:46,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (67 of 80 remaining) [2024-10-24 15:30:46,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (66 of 80 remaining) [2024-10-24 15:30:46,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (65 of 80 remaining) [2024-10-24 15:30:46,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (64 of 80 remaining) [2024-10-24 15:30:46,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (63 of 80 remaining) [2024-10-24 15:30:46,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (62 of 80 remaining) [2024-10-24 15:30:46,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (61 of 80 remaining) [2024-10-24 15:30:46,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (60 of 80 remaining) [2024-10-24 15:30:46,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (59 of 80 remaining) [2024-10-24 15:30:46,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (58 of 80 remaining) [2024-10-24 15:30:46,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (57 of 80 remaining) [2024-10-24 15:30:46,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (56 of 80 remaining) [2024-10-24 15:30:46,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (55 of 80 remaining) [2024-10-24 15:30:46,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (54 of 80 remaining) [2024-10-24 15:30:46,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (53 of 80 remaining) [2024-10-24 15:30:46,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (52 of 80 remaining) [2024-10-24 15:30:46,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (51 of 80 remaining) [2024-10-24 15:30:46,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (50 of 80 remaining) [2024-10-24 15:30:46,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (49 of 80 remaining) [2024-10-24 15:30:46,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (48 of 80 remaining) [2024-10-24 15:30:46,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (47 of 80 remaining) [2024-10-24 15:30:46,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (46 of 80 remaining) [2024-10-24 15:30:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (45 of 80 remaining) [2024-10-24 15:30:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (44 of 80 remaining) [2024-10-24 15:30:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (43 of 80 remaining) [2024-10-24 15:30:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (42 of 80 remaining) [2024-10-24 15:30:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (41 of 80 remaining) [2024-10-24 15:30:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (40 of 80 remaining) [2024-10-24 15:30:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (39 of 80 remaining) [2024-10-24 15:30:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (38 of 80 remaining) [2024-10-24 15:30:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (37 of 80 remaining) [2024-10-24 15:30:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (36 of 80 remaining) [2024-10-24 15:30:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 80 remaining) [2024-10-24 15:30:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 80 remaining) [2024-10-24 15:30:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 80 remaining) [2024-10-24 15:30:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 80 remaining) [2024-10-24 15:30:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 80 remaining) [2024-10-24 15:30:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 80 remaining) [2024-10-24 15:30:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (29 of 80 remaining) [2024-10-24 15:30:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 80 remaining) [2024-10-24 15:30:46,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 80 remaining) [2024-10-24 15:30:46,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (26 of 80 remaining) [2024-10-24 15:30:46,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 80 remaining) [2024-10-24 15:30:46,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (24 of 80 remaining) [2024-10-24 15:30:46,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 80 remaining) [2024-10-24 15:30:46,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 80 remaining) [2024-10-24 15:30:46,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 80 remaining) [2024-10-24 15:30:46,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 80 remaining) [2024-10-24 15:30:46,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 80 remaining) [2024-10-24 15:30:46,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 80 remaining) [2024-10-24 15:30:46,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 80 remaining) [2024-10-24 15:30:46,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (16 of 80 remaining) [2024-10-24 15:30:46,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (15 of 80 remaining) [2024-10-24 15:30:46,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (14 of 80 remaining) [2024-10-24 15:30:46,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 80 remaining) [2024-10-24 15:30:46,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 80 remaining) [2024-10-24 15:30:46,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (11 of 80 remaining) [2024-10-24 15:30:46,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 80 remaining) [2024-10-24 15:30:46,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 80 remaining) [2024-10-24 15:30:46,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 80 remaining) [2024-10-24 15:30:46,571 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (7 of 80 remaining) [2024-10-24 15:30:46,571 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (6 of 80 remaining) [2024-10-24 15:30:46,571 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 80 remaining) [2024-10-24 15:30:46,571 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 80 remaining) [2024-10-24 15:30:46,571 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 80 remaining) [2024-10-24 15:30:46,571 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 80 remaining) [2024-10-24 15:30:46,572 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 80 remaining) [2024-10-24 15:30:46,572 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (0 of 80 remaining) [2024-10-24 15:30:46,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 15:30:46,573 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:46,578 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:30:46,579 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:30:46,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:30:46 BasicIcfg [2024-10-24 15:30:46,583 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:30:46,583 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:30:46,583 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:30:46,583 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:30:46,584 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:30:37" (3/4) ... [2024-10-24 15:30:46,585 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:30:46,587 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-24 15:30:46,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-24 15:30:46,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-24 15:30:46,592 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-24 15:30:46,592 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 15:30:46,592 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:30:46,593 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:30:46,666 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:30:46,666 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:30:46,666 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:30:46,667 INFO L158 Benchmark]: Toolchain (without parser) took 10485.95ms. Allocated memory was 184.5MB in the beginning and 962.6MB in the end (delta: 778.0MB). Free memory was 114.0MB in the beginning and 830.0MB in the end (delta: -715.9MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2024-10-24 15:30:46,667 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 184.5MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:30:46,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.70ms. Allocated memory is still 184.5MB. Free memory was 113.9MB in the beginning and 151.8MB in the end (delta: -38.0MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-10-24 15:30:46,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.97ms. Allocated memory is still 184.5MB. Free memory was 151.8MB in the beginning and 148.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:30:46,667 INFO L158 Benchmark]: Boogie Preprocessor took 31.94ms. Allocated memory is still 184.5MB. Free memory was 148.8MB in the beginning and 146.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:30:46,668 INFO L158 Benchmark]: RCFGBuilder took 650.35ms. Allocated memory is still 184.5MB. Free memory was 146.7MB in the beginning and 116.0MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-10-24 15:30:46,668 INFO L158 Benchmark]: TraceAbstraction took 9359.88ms. Allocated memory was 184.5MB in the beginning and 962.6MB in the end (delta: 778.0MB). Free memory was 115.1MB in the beginning and 835.2MB in the end (delta: -720.1MB). Peak memory consumption was 577.0MB. Max. memory is 16.1GB. [2024-10-24 15:30:46,668 INFO L158 Benchmark]: Witness Printer took 83.05ms. Allocated memory is still 962.6MB. Free memory was 835.2MB in the beginning and 830.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:30:46,669 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 184.5MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.70ms. Allocated memory is still 184.5MB. Free memory was 113.9MB in the beginning and 151.8MB in the end (delta: -38.0MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.97ms. Allocated memory is still 184.5MB. Free memory was 151.8MB in the beginning and 148.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.94ms. Allocated memory is still 184.5MB. Free memory was 148.8MB in the beginning and 146.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 650.35ms. Allocated memory is still 184.5MB. Free memory was 146.7MB in the beginning and 116.0MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 9359.88ms. Allocated memory was 184.5MB in the beginning and 962.6MB in the end (delta: 778.0MB). Free memory was 115.1MB in the beginning and 835.2MB in the end (delta: -720.1MB). Peak memory consumption was 577.0MB. Max. memory is 16.1GB. * Witness Printer took 83.05ms. Allocated memory is still 962.6MB. Free memory was 835.2MB in the beginning and 830.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 674 locations, 80 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: 9.2s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 550 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 176 mSDsluCounter, 131 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 112 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 648 IncrementalHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 112 mSolverCounterUnsat, 131 mSDtfsCounter, 648 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=908occurred in iteration=17, InterpolantAutomatonStates: 63, 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, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1874 NumberOfCodeBlocks, 1874 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1853 ConstructedInterpolants, 0 QuantifiedInterpolants, 1892 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 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 44 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:30:46,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE