./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/szymanski.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 16:44:22,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 16:44:22,351 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 16:44:22,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 16:44:22,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 16:44:22,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 16:44:22,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 16:44:22,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 16:44:22,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 16:44:22,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 16:44:22,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 16:44:22,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 16:44:22,377 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 16:44:22,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 16:44:22,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 16:44:22,378 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 16:44:22,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 16:44:22,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 16:44:22,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 16:44:22,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 16:44:22,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 16:44:22,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 16:44:22,383 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 16:44:22,384 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 16:44:22,384 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 16:44:22,384 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 16:44:22,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 16:44:22,384 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 16:44:22,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 16:44:22,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 16:44:22,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 16:44:22,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 16:44:22,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 16:44:22,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 16:44:22,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 16:44:22,386 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 16:44:22,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 16:44:22,386 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 16:44:22,386 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 16:44:22,386 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 16:44:22,386 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 16:44:22,387 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 [2024-10-14 16:44:22,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 16:44:22,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 16:44:22,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 16:44:22,631 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 16:44:22,632 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 16:44:22,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/szymanski.i [2024-10-14 16:44:23,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 16:44:24,020 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 16:44:24,021 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/szymanski.i [2024-10-14 16:44:24,033 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5c53644d/3656938295184feeb810fad6f384ec9f/FLAGc7651e7c6 [2024-10-14 16:44:24,391 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5c53644d/3656938295184feeb810fad6f384ec9f [2024-10-14 16:44:24,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 16:44:24,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 16:44:24,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 16:44:24,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 16:44:24,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 16:44:24,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:44:24" (1/1) ... [2024-10-14 16:44:24,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33bb42c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:24, skipping insertion in model container [2024-10-14 16:44:24,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:44:24" (1/1) ... [2024-10-14 16:44:24,439 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 16:44:24,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 16:44:24,699 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 16:44:24,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 16:44:24,782 INFO L204 MainTranslator]: Completed translation [2024-10-14 16:44:24,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:24 WrapperNode [2024-10-14 16:44:24,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 16:44:24,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 16:44:24,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 16:44:24,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 16:44:24,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:24" (1/1) ... [2024-10-14 16:44:24,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:24" (1/1) ... [2024-10-14 16:44:24,827 INFO L138 Inliner]: procedures = 169, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 253 [2024-10-14 16:44:24,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 16:44:24,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 16:44:24,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 16:44:24,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 16:44:24,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:24" (1/1) ... [2024-10-14 16:44:24,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:24" (1/1) ... [2024-10-14 16:44:24,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:24" (1/1) ... [2024-10-14 16:44:24,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:24" (1/1) ... [2024-10-14 16:44:24,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:24" (1/1) ... [2024-10-14 16:44:24,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:24" (1/1) ... [2024-10-14 16:44:24,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:24" (1/1) ... [2024-10-14 16:44:24,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:24" (1/1) ... [2024-10-14 16:44:24,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 16:44:24,850 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 16:44:24,850 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 16:44:24,850 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 16:44:24,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:24" (1/1) ... [2024-10-14 16:44:24,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 16:44:24,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 16:44:24,890 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) [2024-10-14 16:44:24,891 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 [2024-10-14 16:44:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-10-14 16:44:24,923 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-10-14 16:44:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-14 16:44:24,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-14 16:44:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 16:44:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 16:44:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 16:44:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 16:44:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 16:44:24,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 16:44:24,926 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 16:44:25,017 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 16:44:25,019 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 16:44:25,194 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 16:44:25,194 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 16:44:25,273 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 16:44:25,273 INFO L314 CfgBuilder]: Removed 8 assume(true) statements. [2024-10-14 16:44:25,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:44:25 BoogieIcfgContainer [2024-10-14 16:44:25,274 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 16:44:25,275 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 16:44:25,275 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 16:44:25,278 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 16:44:25,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 04:44:24" (1/3) ... [2024-10-14 16:44:25,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8bfd0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:44:25, skipping insertion in model container [2024-10-14 16:44:25,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:24" (2/3) ... [2024-10-14 16:44:25,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8bfd0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:44:25, skipping insertion in model container [2024-10-14 16:44:25,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:44:25" (3/3) ... [2024-10-14 16:44:25,279 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski.i [2024-10-14 16:44:25,292 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 16:44:25,292 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2024-10-14 16:44:25,292 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 16:44:25,336 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-14 16:44:25,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 140 places, 155 transitions, 324 flow [2024-10-14 16:44:25,428 INFO L124 PetriNetUnfolderBase]: 22/153 cut-off events. [2024-10-14 16:44:25,429 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-14 16:44:25,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 153 events. 22/153 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 341 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 132. Up to 3 conditions per place. [2024-10-14 16:44:25,435 INFO L82 GeneralOperation]: Start removeDead. Operand has 140 places, 155 transitions, 324 flow [2024-10-14 16:44:25,441 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 133 places, 148 transitions, 305 flow [2024-10-14 16:44:25,452 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 16:44:25,457 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;@1fb0cbc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 16:44:25,457 INFO L334 AbstractCegarLoop]: Starting to check reachability of 66 error locations. [2024-10-14 16:44:25,463 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 16:44:25,463 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-10-14 16:44:25,463 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 16:44:25,464 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:44:25,464 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 16:44:25,465 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2024-10-14 16:44:25,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:44:25,469 INFO L85 PathProgramCache]: Analyzing trace with hash 277825769, now seen corresponding path program 1 times [2024-10-14 16:44:25,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:44:25,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094962873] [2024-10-14 16:44:25,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:44:25,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:44:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:44:25,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:44:25,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:44:25,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094962873] [2024-10-14 16:44:25,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094962873] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:44:25,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:44:25,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 16:44:25,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953859274] [2024-10-14 16:44:25,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:44:25,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 16:44:25,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:44:25,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 16:44:25,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 16:44:25,657 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 155 [2024-10-14 16:44:25,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 148 transitions, 305 flow. Second operand has 2 states, 2 states have (on average 84.0) internal successors, (168), 2 states have internal predecessors, (168), 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) [2024-10-14 16:44:25,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:44:25,659 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 155 [2024-10-14 16:44:25,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:44:25,830 INFO L124 PetriNetUnfolderBase]: 231/759 cut-off events. [2024-10-14 16:44:25,830 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2024-10-14 16:44:25,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1157 conditions, 759 events. 231/759 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4049 event pairs, 120 based on Foata normal form. 130/754 useless extension candidates. Maximal degree in co-relation 1047. Up to 360 conditions per place. [2024-10-14 16:44:25,842 INFO L140 encePairwiseOnDemand]: 115/155 looper letters, 31 selfloop transitions, 0 changer transitions 0/106 dead transitions. [2024-10-14 16:44:25,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 106 transitions, 283 flow [2024-10-14 16:44:25,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 16:44:25,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-14 16:44:25,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 237 transitions. [2024-10-14 16:44:25,854 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7645161290322581 [2024-10-14 16:44:25,856 INFO L175 Difference]: Start difference. First operand has 133 places, 148 transitions, 305 flow. Second operand 2 states and 237 transitions. [2024-10-14 16:44:25,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 106 transitions, 283 flow [2024-10-14 16:44:25,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 106 transitions, 278 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-14 16:44:25,863 INFO L231 Difference]: Finished difference. Result has 101 places, 106 transitions, 216 flow [2024-10-14 16:44:25,865 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=216, PETRI_PLACES=101, PETRI_TRANSITIONS=106} [2024-10-14 16:44:25,870 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -32 predicate places. [2024-10-14 16:44:25,870 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 106 transitions, 216 flow [2024-10-14 16:44:25,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 84.0) internal successors, (168), 2 states have internal predecessors, (168), 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) [2024-10-14 16:44:25,870 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:44:25,871 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] [2024-10-14 16:44:25,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 16:44:25,871 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err11ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2024-10-14 16:44:25,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:44:25,872 INFO L85 PathProgramCache]: Analyzing trace with hash -303257511, now seen corresponding path program 1 times [2024-10-14 16:44:25,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:44:25,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115262847] [2024-10-14 16:44:25,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:44:25,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:44:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:44:25,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:44:25,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:44:25,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115262847] [2024-10-14 16:44:25,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115262847] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:44:25,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:44:25,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 16:44:25,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245330848] [2024-10-14 16:44:25,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:44:25,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 16:44:25,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:44:25,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 16:44:25,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 16:44:25,978 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 155 [2024-10-14 16:44:25,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 106 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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) [2024-10-14 16:44:25,979 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:44:25,979 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 155 [2024-10-14 16:44:25,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:44:26,110 INFO L124 PetriNetUnfolderBase]: 361/1064 cut-off events. [2024-10-14 16:44:26,111 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-10-14 16:44:26,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1697 conditions, 1064 events. 361/1064 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 6252 event pairs, 183 based on Foata normal form. 0/893 useless extension candidates. Maximal degree in co-relation 1694. Up to 536 conditions per place. [2024-10-14 16:44:26,117 INFO L140 encePairwiseOnDemand]: 149/155 looper letters, 53 selfloop transitions, 5 changer transitions 0/125 dead transitions. [2024-10-14 16:44:26,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 125 transitions, 372 flow [2024-10-14 16:44:26,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 16:44:26,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 16:44:26,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2024-10-14 16:44:26,121 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.610752688172043 [2024-10-14 16:44:26,121 INFO L175 Difference]: Start difference. First operand has 101 places, 106 transitions, 216 flow. Second operand 3 states and 284 transitions. [2024-10-14 16:44:26,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 125 transitions, 372 flow [2024-10-14 16:44:26,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 125 transitions, 372 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 16:44:26,124 INFO L231 Difference]: Finished difference. Result has 105 places, 110 transitions, 254 flow [2024-10-14 16:44:26,124 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=105, PETRI_TRANSITIONS=110} [2024-10-14 16:44:26,124 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -28 predicate places. [2024-10-14 16:44:26,125 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 110 transitions, 254 flow [2024-10-14 16:44:26,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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) [2024-10-14 16:44:26,125 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:44:26,125 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] [2024-10-14 16:44:26,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 16:44:26,126 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2024-10-14 16:44:26,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:44:26,126 INFO L85 PathProgramCache]: Analyzing trace with hash -2027575691, now seen corresponding path program 1 times [2024-10-14 16:44:26,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:44:26,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048501967] [2024-10-14 16:44:26,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:44:26,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:44:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:44:26,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:44:26,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:44:26,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048501967] [2024-10-14 16:44:26,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048501967] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:44:26,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:44:26,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 16:44:26,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390699188] [2024-10-14 16:44:26,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:44:26,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 16:44:26,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:44:26,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 16:44:26,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 16:44:26,210 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 155 [2024-10-14 16:44:26,210 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 110 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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) [2024-10-14 16:44:26,210 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:44:26,210 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 155 [2024-10-14 16:44:26,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:44:26,379 INFO L124 PetriNetUnfolderBase]: 351/1076 cut-off events. [2024-10-14 16:44:26,382 INFO L125 PetriNetUnfolderBase]: For 105/107 co-relation queries the response was YES. [2024-10-14 16:44:26,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1812 conditions, 1076 events. 351/1076 cut-off events. For 105/107 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 6306 event pairs, 106 based on Foata normal form. 1/928 useless extension candidates. Maximal degree in co-relation 1807. Up to 308 conditions per place. [2024-10-14 16:44:26,387 INFO L140 encePairwiseOnDemand]: 147/155 looper letters, 65 selfloop transitions, 6 changer transitions 6/146 dead transitions. [2024-10-14 16:44:26,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 146 transitions, 491 flow [2024-10-14 16:44:26,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 16:44:26,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 16:44:26,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 302 transitions. [2024-10-14 16:44:26,389 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6494623655913978 [2024-10-14 16:44:26,389 INFO L175 Difference]: Start difference. First operand has 105 places, 110 transitions, 254 flow. Second operand 3 states and 302 transitions. [2024-10-14 16:44:26,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 146 transitions, 491 flow [2024-10-14 16:44:26,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 146 transitions, 479 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 16:44:26,394 INFO L231 Difference]: Finished difference. Result has 107 places, 113 transitions, 290 flow [2024-10-14 16:44:26,395 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=107, PETRI_TRANSITIONS=113} [2024-10-14 16:44:26,396 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -26 predicate places. [2024-10-14 16:44:26,396 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 113 transitions, 290 flow [2024-10-14 16:44:26,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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) [2024-10-14 16:44:26,396 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:44:26,397 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] [2024-10-14 16:44:26,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 16:44:26,397 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err11ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2024-10-14 16:44:26,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:44:26,398 INFO L85 PathProgramCache]: Analyzing trace with hash 313708302, now seen corresponding path program 1 times [2024-10-14 16:44:26,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:44:26,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127564543] [2024-10-14 16:44:26,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:44:26,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:44:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:44:26,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:44:26,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:44:26,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127564543] [2024-10-14 16:44:26,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127564543] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:44:26,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:44:26,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 16:44:26,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131417484] [2024-10-14 16:44:26,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:44:26,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 16:44:26,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:44:26,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 16:44:26,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 16:44:26,462 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 155 [2024-10-14 16:44:26,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 113 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2024-10-14 16:44:26,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:44:26,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 155 [2024-10-14 16:44:26,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:44:26,588 INFO L124 PetriNetUnfolderBase]: 390/1096 cut-off events. [2024-10-14 16:44:26,588 INFO L125 PetriNetUnfolderBase]: For 237/237 co-relation queries the response was YES. [2024-10-14 16:44:26,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2034 conditions, 1096 events. 390/1096 cut-off events. For 237/237 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 6439 event pairs, 184 based on Foata normal form. 0/948 useless extension candidates. Maximal degree in co-relation 2028. Up to 580 conditions per place. [2024-10-14 16:44:26,593 INFO L140 encePairwiseOnDemand]: 149/155 looper letters, 51 selfloop transitions, 7 changer transitions 5/132 dead transitions. [2024-10-14 16:44:26,593 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 132 transitions, 461 flow [2024-10-14 16:44:26,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 16:44:26,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 16:44:26,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2024-10-14 16:44:26,594 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.610752688172043 [2024-10-14 16:44:26,594 INFO L175 Difference]: Start difference. First operand has 107 places, 113 transitions, 290 flow. Second operand 3 states and 284 transitions. [2024-10-14 16:44:26,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 132 transitions, 461 flow [2024-10-14 16:44:26,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 132 transitions, 447 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 16:44:26,600 INFO L231 Difference]: Finished difference. Result has 109 places, 116 transitions, 326 flow [2024-10-14 16:44:26,602 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=109, PETRI_TRANSITIONS=116} [2024-10-14 16:44:26,603 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -24 predicate places. [2024-10-14 16:44:26,603 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 116 transitions, 326 flow [2024-10-14 16:44:26,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2024-10-14 16:44:26,603 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:44:26,603 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] [2024-10-14 16:44:26,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 16:44:26,604 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err11ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2024-10-14 16:44:26,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:44:26,605 INFO L85 PathProgramCache]: Analyzing trace with hash -464778250, now seen corresponding path program 1 times [2024-10-14 16:44:26,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:44:26,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083215402] [2024-10-14 16:44:26,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:44:26,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:44:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:44:26,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:44:26,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:44:26,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083215402] [2024-10-14 16:44:26,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083215402] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:44:26,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:44:26,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 16:44:26,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738405745] [2024-10-14 16:44:26,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:44:26,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 16:44:26,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:44:26,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 16:44:26,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 16:44:26,698 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 155 [2024-10-14 16:44:26,699 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 116 transitions, 326 flow. Second operand has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 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) [2024-10-14 16:44:26,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:44:26,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 155 [2024-10-14 16:44:26,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:44:26,898 INFO L124 PetriNetUnfolderBase]: 482/1651 cut-off events. [2024-10-14 16:44:26,899 INFO L125 PetriNetUnfolderBase]: For 318/347 co-relation queries the response was YES. [2024-10-14 16:44:26,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2963 conditions, 1651 events. 482/1651 cut-off events. For 318/347 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 11673 event pairs, 125 based on Foata normal form. 40/1476 useless extension candidates. Maximal degree in co-relation 2956. Up to 438 conditions per place. [2024-10-14 16:44:26,905 INFO L140 encePairwiseOnDemand]: 138/155 looper letters, 62 selfloop transitions, 16 changer transitions 10/166 dead transitions. [2024-10-14 16:44:26,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 166 transitions, 607 flow [2024-10-14 16:44:26,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 16:44:26,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-14 16:44:26,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 478 transitions. [2024-10-14 16:44:26,906 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6167741935483871 [2024-10-14 16:44:26,906 INFO L175 Difference]: Start difference. First operand has 109 places, 116 transitions, 326 flow. Second operand 5 states and 478 transitions. [2024-10-14 16:44:26,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 166 transitions, 607 flow [2024-10-14 16:44:26,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 166 transitions, 593 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 16:44:26,911 INFO L231 Difference]: Finished difference. Result has 115 places, 130 transitions, 452 flow [2024-10-14 16:44:26,911 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=452, PETRI_PLACES=115, PETRI_TRANSITIONS=130} [2024-10-14 16:44:26,912 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -18 predicate places. [2024-10-14 16:44:26,913 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 130 transitions, 452 flow [2024-10-14 16:44:26,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 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) [2024-10-14 16:44:26,913 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:44:26,913 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 16:44:26,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 16:44:26,913 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err11ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2024-10-14 16:44:26,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:44:26,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1887953522, now seen corresponding path program 2 times [2024-10-14 16:44:26,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:44:26,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350492238] [2024-10-14 16:44:26,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:44:26,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:44:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:44:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:44:26,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:44:26,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350492238] [2024-10-14 16:44:26,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350492238] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:44:26,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:44:26,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 16:44:26,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003400188] [2024-10-14 16:44:26,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:44:26,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 16:44:26,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:44:26,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 16:44:26,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 16:44:26,985 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 155 [2024-10-14 16:44:26,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 130 transitions, 452 flow. Second operand has 4 states, 4 states have (on average 81.25) internal successors, (325), 4 states have internal predecessors, (325), 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) [2024-10-14 16:44:26,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:44:26,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 155 [2024-10-14 16:44:26,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:44:27,205 INFO L124 PetriNetUnfolderBase]: 604/2035 cut-off events. [2024-10-14 16:44:27,207 INFO L125 PetriNetUnfolderBase]: For 807/860 co-relation queries the response was YES. [2024-10-14 16:44:27,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4116 conditions, 2035 events. 604/2035 cut-off events. For 807/860 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 15103 event pairs, 99 based on Foata normal form. 26/1828 useless extension candidates. Maximal degree in co-relation 4106. Up to 376 conditions per place. [2024-10-14 16:44:27,213 INFO L140 encePairwiseOnDemand]: 137/155 looper letters, 66 selfloop transitions, 27 changer transitions 18/190 dead transitions. [2024-10-14 16:44:27,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 190 transitions, 901 flow [2024-10-14 16:44:27,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 16:44:27,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-14 16:44:27,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 483 transitions. [2024-10-14 16:44:27,215 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6232258064516129 [2024-10-14 16:44:27,215 INFO L175 Difference]: Start difference. First operand has 115 places, 130 transitions, 452 flow. Second operand 5 states and 483 transitions. [2024-10-14 16:44:27,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 190 transitions, 901 flow [2024-10-14 16:44:27,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 190 transitions, 901 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 16:44:27,220 INFO L231 Difference]: Finished difference. Result has 123 places, 150 transitions, 714 flow [2024-10-14 16:44:27,221 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=714, PETRI_PLACES=123, PETRI_TRANSITIONS=150} [2024-10-14 16:44:27,223 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -10 predicate places. [2024-10-14 16:44:27,223 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 150 transitions, 714 flow [2024-10-14 16:44:27,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.25) internal successors, (325), 4 states have internal predecessors, (325), 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) [2024-10-14 16:44:27,223 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:44:27,224 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] [2024-10-14 16:44:27,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 16:44:27,224 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err11ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2024-10-14 16:44:27,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:44:27,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1913417044, now seen corresponding path program 3 times [2024-10-14 16:44:27,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:44:27,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530984190] [2024-10-14 16:44:27,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:44:27,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:44:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:44:27,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:44:27,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:44:27,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530984190] [2024-10-14 16:44:27,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530984190] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:44:27,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:44:27,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 16:44:27,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026359488] [2024-10-14 16:44:27,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:44:27,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 16:44:27,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:44:27,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 16:44:27,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 16:44:27,289 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 155 [2024-10-14 16:44:27,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 150 transitions, 714 flow. Second operand has 4 states, 4 states have (on average 81.25) internal successors, (325), 4 states have internal predecessors, (325), 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) [2024-10-14 16:44:27,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:44:27,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 155 [2024-10-14 16:44:27,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:44:27,487 INFO L124 PetriNetUnfolderBase]: 438/1278 cut-off events. [2024-10-14 16:44:27,487 INFO L125 PetriNetUnfolderBase]: For 1834/1873 co-relation queries the response was YES. [2024-10-14 16:44:27,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3450 conditions, 1278 events. 438/1278 cut-off events. For 1834/1873 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 7880 event pairs, 109 based on Foata normal form. 31/1270 useless extension candidates. Maximal degree in co-relation 3436. Up to 493 conditions per place. [2024-10-14 16:44:27,490 INFO L140 encePairwiseOnDemand]: 139/155 looper letters, 0 selfloop transitions, 0 changer transitions 203/203 dead transitions. [2024-10-14 16:44:27,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 203 transitions, 1271 flow [2024-10-14 16:44:27,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 16:44:27,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-14 16:44:27,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 473 transitions. [2024-10-14 16:44:27,492 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6103225806451613 [2024-10-14 16:44:27,492 INFO L175 Difference]: Start difference. First operand has 123 places, 150 transitions, 714 flow. Second operand 5 states and 473 transitions. [2024-10-14 16:44:27,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 203 transitions, 1271 flow [2024-10-14 16:44:27,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 203 transitions, 1229 flow, removed 15 selfloop flow, removed 4 redundant places. [2024-10-14 16:44:27,498 INFO L231 Difference]: Finished difference. Result has 119 places, 0 transitions, 0 flow [2024-10-14 16:44:27,498 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=119, PETRI_TRANSITIONS=0} [2024-10-14 16:44:27,499 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -14 predicate places. [2024-10-14 16:44:27,499 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 0 transitions, 0 flow [2024-10-14 16:44:27,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.25) internal successors, (325), 4 states have internal predecessors, (325), 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) [2024-10-14 16:44:27,501 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (65 of 66 remaining) [2024-10-14 16:44:27,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (64 of 66 remaining) [2024-10-14 16:44:27,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (63 of 66 remaining) [2024-10-14 16:44:27,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (62 of 66 remaining) [2024-10-14 16:44:27,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (61 of 66 remaining) [2024-10-14 16:44:27,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (60 of 66 remaining) [2024-10-14 16:44:27,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (59 of 66 remaining) [2024-10-14 16:44:27,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (58 of 66 remaining) [2024-10-14 16:44:27,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (57 of 66 remaining) [2024-10-14 16:44:27,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (56 of 66 remaining) [2024-10-14 16:44:27,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (55 of 66 remaining) [2024-10-14 16:44:27,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (54 of 66 remaining) [2024-10-14 16:44:27,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (53 of 66 remaining) [2024-10-14 16:44:27,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (52 of 66 remaining) [2024-10-14 16:44:27,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (51 of 66 remaining) [2024-10-14 16:44:27,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (50 of 66 remaining) [2024-10-14 16:44:27,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (49 of 66 remaining) [2024-10-14 16:44:27,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (48 of 66 remaining) [2024-10-14 16:44:27,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (47 of 66 remaining) [2024-10-14 16:44:27,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (46 of 66 remaining) [2024-10-14 16:44:27,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (45 of 66 remaining) [2024-10-14 16:44:27,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (44 of 66 remaining) [2024-10-14 16:44:27,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (43 of 66 remaining) [2024-10-14 16:44:27,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (42 of 66 remaining) [2024-10-14 16:44:27,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (41 of 66 remaining) [2024-10-14 16:44:27,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (40 of 66 remaining) [2024-10-14 16:44:27,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (39 of 66 remaining) [2024-10-14 16:44:27,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (38 of 66 remaining) [2024-10-14 16:44:27,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (37 of 66 remaining) [2024-10-14 16:44:27,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (36 of 66 remaining) [2024-10-14 16:44:27,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (35 of 66 remaining) [2024-10-14 16:44:27,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (34 of 66 remaining) [2024-10-14 16:44:27,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 66 remaining) [2024-10-14 16:44:27,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 66 remaining) [2024-10-14 16:44:27,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (31 of 66 remaining) [2024-10-14 16:44:27,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (30 of 66 remaining) [2024-10-14 16:44:27,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (29 of 66 remaining) [2024-10-14 16:44:27,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (28 of 66 remaining) [2024-10-14 16:44:27,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (27 of 66 remaining) [2024-10-14 16:44:27,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (26 of 66 remaining) [2024-10-14 16:44:27,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (25 of 66 remaining) [2024-10-14 16:44:27,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (24 of 66 remaining) [2024-10-14 16:44:27,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (23 of 66 remaining) [2024-10-14 16:44:27,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (22 of 66 remaining) [2024-10-14 16:44:27,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (21 of 66 remaining) [2024-10-14 16:44:27,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (20 of 66 remaining) [2024-10-14 16:44:27,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (19 of 66 remaining) [2024-10-14 16:44:27,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (18 of 66 remaining) [2024-10-14 16:44:27,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (17 of 66 remaining) [2024-10-14 16:44:27,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (16 of 66 remaining) [2024-10-14 16:44:27,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 66 remaining) [2024-10-14 16:44:27,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 66 remaining) [2024-10-14 16:44:27,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 66 remaining) [2024-10-14 16:44:27,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (12 of 66 remaining) [2024-10-14 16:44:27,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (11 of 66 remaining) [2024-10-14 16:44:27,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (10 of 66 remaining) [2024-10-14 16:44:27,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (9 of 66 remaining) [2024-10-14 16:44:27,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (8 of 66 remaining) [2024-10-14 16:44:27,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (7 of 66 remaining) [2024-10-14 16:44:27,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (6 of 66 remaining) [2024-10-14 16:44:27,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (5 of 66 remaining) [2024-10-14 16:44:27,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 66 remaining) [2024-10-14 16:44:27,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 66 remaining) [2024-10-14 16:44:27,511 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 66 remaining) [2024-10-14 16:44:27,511 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (1 of 66 remaining) [2024-10-14 16:44:27,511 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 66 remaining) [2024-10-14 16:44:27,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 16:44:27,513 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2024-10-14 16:44:27,518 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 16:44:27,519 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 16:44:27,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:44:27 BasicIcfg [2024-10-14 16:44:27,522 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 16:44:27,523 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 16:44:27,523 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 16:44:27,523 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 16:44:27,523 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:44:25" (3/4) ... [2024-10-14 16:44:27,525 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 16:44:27,527 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-10-14 16:44:27,528 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-10-14 16:44:27,530 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-10-14 16:44:27,530 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 16:44:27,530 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 16:44:27,530 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 16:44:27,591 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 16:44:27,591 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 16:44:27,591 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 16:44:27,592 INFO L158 Benchmark]: Toolchain (without parser) took 3196.01ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 104.7MB in the beginning and 121.0MB in the end (delta: -16.4MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-10-14 16:44:27,592 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 96.5MB. Free memory was 59.2MB in the beginning and 59.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 16:44:27,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.88ms. Allocated memory is still 155.2MB. Free memory was 104.3MB in the beginning and 124.2MB in the end (delta: -19.9MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2024-10-14 16:44:27,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.87ms. Allocated memory is still 155.2MB. Free memory was 124.2MB in the beginning and 121.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 16:44:27,593 INFO L158 Benchmark]: Boogie Preprocessor took 21.42ms. Allocated memory is still 155.2MB. Free memory was 121.6MB in the beginning and 119.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 16:44:27,593 INFO L158 Benchmark]: RCFGBuilder took 424.07ms. Allocated memory is still 155.2MB. Free memory was 119.5MB in the beginning and 92.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-14 16:44:27,593 INFO L158 Benchmark]: TraceAbstraction took 2247.47ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 91.2MB in the beginning and 125.2MB in the end (delta: -34.0MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. [2024-10-14 16:44:27,593 INFO L158 Benchmark]: Witness Printer took 68.60ms. Allocated memory is still 190.8MB. Free memory was 125.2MB in the beginning and 121.0MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 16:44:27,594 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 96.5MB. Free memory was 59.2MB in the beginning and 59.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.88ms. Allocated memory is still 155.2MB. Free memory was 104.3MB in the beginning and 124.2MB in the end (delta: -19.9MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.87ms. Allocated memory is still 155.2MB. Free memory was 124.2MB in the beginning and 121.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.42ms. Allocated memory is still 155.2MB. Free memory was 121.6MB in the beginning and 119.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 424.07ms. Allocated memory is still 155.2MB. Free memory was 119.5MB in the beginning and 92.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2247.47ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 91.2MB in the beginning and 125.2MB in the end (delta: -34.0MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. * Witness Printer took 68.60ms. Allocated memory is still 190.8MB. Free memory was 125.2MB in the beginning and 121.0MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 761]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 768]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 772]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 775]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 794]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 798]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 801]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 802]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 804]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 808]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 812]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 734]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 741]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 744]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 238 locations, 66 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.2s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 345 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 243 mSDsluCounter, 67 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 838 IncrementalHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 39 mSDtfsCounter, 838 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=714occurred in iteration=6, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 298 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 16:44:27,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE