./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0114971c55bb3ac56cba53b1f36a4abfb42729c079f90200b21654f0e6a33fd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:15:44,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:15:44,982 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:15:44,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:15:44,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:15:45,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:15:45,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:15:45,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:15:45,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:15:45,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:15:45,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:15:45,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:15:45,028 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:15:45,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:15:45,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:15:45,029 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:15:45,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:15:45,032 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:15:45,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:15:45,033 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:15:45,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:15:45,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:15:45,038 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:15:45,038 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:15:45,038 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:15:45,039 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:15:45,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:15:45,039 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:15:45,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:15:45,039 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:15:45,040 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:15:45,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:15:45,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:15:45,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:15:45,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:15:45,040 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:15:45,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:15:45,041 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:15:45,041 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:15:45,041 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:15:45,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:15:45,044 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0114971c55bb3ac56cba53b1f36a4abfb42729c079f90200b21654f0e6a33fd [2024-10-11 17:15:45,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:15:45,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:15:45,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:15:45,296 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:15:45,297 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:15:45,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c [2024-10-11 17:15:46,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:15:46,832 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:15:46,833 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c [2024-10-11 17:15:46,841 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/adc184596/d93d69e295ff4bab99a161e0b43e5cb8/FLAG85378558f [2024-10-11 17:15:46,855 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/adc184596/d93d69e295ff4bab99a161e0b43e5cb8 [2024-10-11 17:15:46,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:15:46,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:15:46,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:15:46,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:15:46,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:15:46,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:15:46" (1/1) ... [2024-10-11 17:15:46,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78fb99fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:46, skipping insertion in model container [2024-10-11 17:15:46,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:15:46" (1/1) ... [2024-10-11 17:15:46,882 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:15:47,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:15:47,093 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:15:47,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:15:47,144 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:15:47,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:47 WrapperNode [2024-10-11 17:15:47,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:15:47,149 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:15:47,150 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:15:47,150 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:15:47,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:47" (1/1) ... [2024-10-11 17:15:47,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:47" (1/1) ... [2024-10-11 17:15:47,194 INFO L138 Inliner]: procedures = 19, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 89 [2024-10-11 17:15:47,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:15:47,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:15:47,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:15:47,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:15:47,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:47" (1/1) ... [2024-10-11 17:15:47,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:47" (1/1) ... [2024-10-11 17:15:47,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:47" (1/1) ... [2024-10-11 17:15:47,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:47" (1/1) ... [2024-10-11 17:15:47,208 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:47" (1/1) ... [2024-10-11 17:15:47,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:47" (1/1) ... [2024-10-11 17:15:47,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:47" (1/1) ... [2024-10-11 17:15:47,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:47" (1/1) ... [2024-10-11 17:15:47,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:15:47,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:15:47,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:15:47,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:15:47,216 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:47" (1/1) ... [2024-10-11 17:15:47,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:15:47,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:15:47,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:15:47,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:15:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:15:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-11 17:15:47,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-11 17:15:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-11 17:15:47,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-11 17:15:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:15:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 17:15:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 17:15:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:15:47,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:15:47,295 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:15:47,366 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:15:47,367 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:15:47,566 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:15:47,566 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:15:47,623 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:15:47,623 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 17:15:47,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:15:47 BoogieIcfgContainer [2024-10-11 17:15:47,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:15:47,626 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:15:47,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:15:47,628 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:15:47,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:15:46" (1/3) ... [2024-10-11 17:15:47,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e68695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:15:47, skipping insertion in model container [2024-10-11 17:15:47,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:47" (2/3) ... [2024-10-11 17:15:47,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e68695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:15:47, skipping insertion in model container [2024-10-11 17:15:47,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:15:47" (3/3) ... [2024-10-11 17:15:47,631 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled.wvr.c [2024-10-11 17:15:47,647 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:15:47,647 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-10-11 17:15:47,648 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:15:47,719 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-11 17:15:47,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 194 transitions, 402 flow [2024-10-11 17:15:47,822 INFO L124 PetriNetUnfolderBase]: 8/192 cut-off events. [2024-10-11 17:15:47,824 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:15:47,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 192 events. 8/192 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 311 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 130. Up to 2 conditions per place. [2024-10-11 17:15:47,830 INFO L82 GeneralOperation]: Start removeDead. Operand has 193 places, 194 transitions, 402 flow [2024-10-11 17:15:47,835 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 175 places, 175 transitions, 362 flow [2024-10-11 17:15:47,844 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:15:47,851 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;@1fe988e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:15:47,851 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-10-11 17:15:47,855 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:15:47,855 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-10-11 17:15:47,855 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:15:47,856 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:47,856 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:15:47,856 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-11 17:15:47,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:47,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1458033002, now seen corresponding path program 1 times [2024-10-11 17:15:47,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:47,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305248266] [2024-10-11 17:15:47,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:47,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:48,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:48,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:48,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305248266] [2024-10-11 17:15:48,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305248266] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:48,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:48,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:48,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174424486] [2024-10-11 17:15:48,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:48,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:48,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:48,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:48,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:48,081 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 194 [2024-10-11 17:15:48,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 175 transitions, 362 flow. Second operand has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:48,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:48,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 194 [2024-10-11 17:15:48,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:48,158 INFO L124 PetriNetUnfolderBase]: 14/249 cut-off events. [2024-10-11 17:15:48,160 INFO L125 PetriNetUnfolderBase]: For 15/16 co-relation queries the response was YES. [2024-10-11 17:15:48,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 298 conditions, 249 events. 14/249 cut-off events. For 15/16 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 687 event pairs, 8 based on Foata normal form. 9/217 useless extension candidates. Maximal degree in co-relation 183. Up to 32 conditions per place. [2024-10-11 17:15:48,165 INFO L140 encePairwiseOnDemand]: 180/194 looper letters, 15 selfloop transitions, 2 changer transitions 1/163 dead transitions. [2024-10-11 17:15:48,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 163 transitions, 372 flow [2024-10-11 17:15:48,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:48,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:48,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 515 transitions. [2024-10-11 17:15:48,197 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8848797250859106 [2024-10-11 17:15:48,199 INFO L175 Difference]: Start difference. First operand has 175 places, 175 transitions, 362 flow. Second operand 3 states and 515 transitions. [2024-10-11 17:15:48,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 163 transitions, 372 flow [2024-10-11 17:15:48,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 163 transitions, 364 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-11 17:15:48,214 INFO L231 Difference]: Finished difference. Result has 164 places, 162 transitions, 332 flow [2024-10-11 17:15:48,216 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=164, PETRI_TRANSITIONS=162} [2024-10-11 17:15:48,253 INFO L277 CegarLoopForPetriNet]: 175 programPoint places, -11 predicate places. [2024-10-11 17:15:48,254 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 162 transitions, 332 flow [2024-10-11 17:15:48,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:48,255 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:48,255 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:15:48,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:15:48,256 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-11 17:15:48,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:48,261 INFO L85 PathProgramCache]: Analyzing trace with hash 278931077, now seen corresponding path program 1 times [2024-10-11 17:15:48,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:48,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343129260] [2024-10-11 17:15:48,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:48,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:48,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:48,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:48,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343129260] [2024-10-11 17:15:48,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343129260] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:48,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:48,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:48,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725996225] [2024-10-11 17:15:48,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:48,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:48,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:48,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:48,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:48,373 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 194 [2024-10-11 17:15:48,374 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 162 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:48,374 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:48,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 194 [2024-10-11 17:15:48,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:48,428 INFO L124 PetriNetUnfolderBase]: 30/291 cut-off events. [2024-10-11 17:15:48,429 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-11 17:15:48,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 291 events. 30/291 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1056 event pairs, 23 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 346. Up to 67 conditions per place. [2024-10-11 17:15:48,431 INFO L140 encePairwiseOnDemand]: 191/194 looper letters, 17 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2024-10-11 17:15:48,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 161 transitions, 368 flow [2024-10-11 17:15:48,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:48,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:48,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 500 transitions. [2024-10-11 17:15:48,434 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8591065292096219 [2024-10-11 17:15:48,434 INFO L175 Difference]: Start difference. First operand has 164 places, 162 transitions, 332 flow. Second operand 3 states and 500 transitions. [2024-10-11 17:15:48,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 161 transitions, 368 flow [2024-10-11 17:15:48,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 161 transitions, 364 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:48,437 INFO L231 Difference]: Finished difference. Result has 162 places, 161 transitions, 330 flow [2024-10-11 17:15:48,437 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=162, PETRI_TRANSITIONS=161} [2024-10-11 17:15:48,437 INFO L277 CegarLoopForPetriNet]: 175 programPoint places, -13 predicate places. [2024-10-11 17:15:48,438 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 161 transitions, 330 flow [2024-10-11 17:15:48,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:48,438 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:48,438 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:15:48,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:15:48,439 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-11 17:15:48,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:48,439 INFO L85 PathProgramCache]: Analyzing trace with hash 113473801, now seen corresponding path program 1 times [2024-10-11 17:15:48,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:48,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621508213] [2024-10-11 17:15:48,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:48,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:48,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:48,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:48,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621508213] [2024-10-11 17:15:48,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621508213] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:48,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:48,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:48,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454388328] [2024-10-11 17:15:48,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:48,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:48,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:48,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:48,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:48,502 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 194 [2024-10-11 17:15:48,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 161 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:48,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:48,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 194 [2024-10-11 17:15:48,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:48,550 INFO L124 PetriNetUnfolderBase]: 30/294 cut-off events. [2024-10-11 17:15:48,550 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-10-11 17:15:48,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 294 events. 30/294 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1115 event pairs, 23 based on Foata normal form. 0/248 useless extension candidates. Maximal degree in co-relation 335. Up to 65 conditions per place. [2024-10-11 17:15:48,552 INFO L140 encePairwiseOnDemand]: 191/194 looper letters, 17 selfloop transitions, 2 changer transitions 0/160 dead transitions. [2024-10-11 17:15:48,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 160 transitions, 366 flow [2024-10-11 17:15:48,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:48,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:48,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 500 transitions. [2024-10-11 17:15:48,554 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8591065292096219 [2024-10-11 17:15:48,554 INFO L175 Difference]: Start difference. First operand has 162 places, 161 transitions, 330 flow. Second operand 3 states and 500 transitions. [2024-10-11 17:15:48,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 160 transitions, 366 flow [2024-10-11 17:15:48,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 160 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:48,556 INFO L231 Difference]: Finished difference. Result has 161 places, 160 transitions, 328 flow [2024-10-11 17:15:48,557 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=161, PETRI_TRANSITIONS=160} [2024-10-11 17:15:48,561 INFO L277 CegarLoopForPetriNet]: 175 programPoint places, -14 predicate places. [2024-10-11 17:15:48,561 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 160 transitions, 328 flow [2024-10-11 17:15:48,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:48,562 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:48,562 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] [2024-10-11 17:15:48,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:15:48,562 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-11 17:15:48,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:48,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1229954790, now seen corresponding path program 1 times [2024-10-11 17:15:48,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:48,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53169467] [2024-10-11 17:15:48,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:48,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:48,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:48,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:48,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53169467] [2024-10-11 17:15:48,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53169467] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:48,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:48,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:48,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031245067] [2024-10-11 17:15:48,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:48,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:48,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:48,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:48,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:48,645 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 194 [2024-10-11 17:15:48,645 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 160 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:48,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:48,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 194 [2024-10-11 17:15:48,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:48,697 INFO L124 PetriNetUnfolderBase]: 23/317 cut-off events. [2024-10-11 17:15:48,701 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-11 17:15:48,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 317 events. 23/317 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1071 event pairs, 15 based on Foata normal form. 0/265 useless extension candidates. Maximal degree in co-relation 335. Up to 48 conditions per place. [2024-10-11 17:15:48,704 INFO L140 encePairwiseOnDemand]: 191/194 looper letters, 13 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2024-10-11 17:15:48,704 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 159 transitions, 356 flow [2024-10-11 17:15:48,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:48,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:48,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 508 transitions. [2024-10-11 17:15:48,706 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.872852233676976 [2024-10-11 17:15:48,707 INFO L175 Difference]: Start difference. First operand has 161 places, 160 transitions, 328 flow. Second operand 3 states and 508 transitions. [2024-10-11 17:15:48,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 159 transitions, 356 flow [2024-10-11 17:15:48,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 159 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:48,712 INFO L231 Difference]: Finished difference. Result has 160 places, 159 transitions, 326 flow [2024-10-11 17:15:48,712 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=160, PETRI_TRANSITIONS=159} [2024-10-11 17:15:48,713 INFO L277 CegarLoopForPetriNet]: 175 programPoint places, -15 predicate places. [2024-10-11 17:15:48,714 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 159 transitions, 326 flow [2024-10-11 17:15:48,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:48,714 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:48,715 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] [2024-10-11 17:15:48,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:15:48,715 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-11 17:15:48,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:48,717 INFO L85 PathProgramCache]: Analyzing trace with hash 937998481, now seen corresponding path program 1 times [2024-10-11 17:15:48,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:48,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132314342] [2024-10-11 17:15:48,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:48,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:48,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:48,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:48,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132314342] [2024-10-11 17:15:48,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132314342] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:48,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:48,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:48,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234773310] [2024-10-11 17:15:48,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:48,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:48,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:48,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:48,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:48,786 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 194 [2024-10-11 17:15:48,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 159 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:48,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:48,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 194 [2024-10-11 17:15:48,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:48,844 INFO L124 PetriNetUnfolderBase]: 23/334 cut-off events. [2024-10-11 17:15:48,845 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-11 17:15:48,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 334 events. 23/334 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1116 event pairs, 2 based on Foata normal form. 1/280 useless extension candidates. Maximal degree in co-relation 342. Up to 36 conditions per place. [2024-10-11 17:15:48,847 INFO L140 encePairwiseOnDemand]: 186/194 looper letters, 15 selfloop transitions, 3 changer transitions 4/161 dead transitions. [2024-10-11 17:15:48,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 161 transitions, 377 flow [2024-10-11 17:15:48,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:48,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:48,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 506 transitions. [2024-10-11 17:15:48,849 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8694158075601375 [2024-10-11 17:15:48,850 INFO L175 Difference]: Start difference. First operand has 160 places, 159 transitions, 326 flow. Second operand 3 states and 506 transitions. [2024-10-11 17:15:48,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 161 transitions, 377 flow [2024-10-11 17:15:48,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 161 transitions, 373 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:48,853 INFO L231 Difference]: Finished difference. Result has 157 places, 155 transitions, 326 flow [2024-10-11 17:15:48,854 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=157, PETRI_TRANSITIONS=155} [2024-10-11 17:15:48,854 INFO L277 CegarLoopForPetriNet]: 175 programPoint places, -18 predicate places. [2024-10-11 17:15:48,855 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 155 transitions, 326 flow [2024-10-11 17:15:48,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:48,856 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:48,856 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:15:48,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:15:48,857 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-11 17:15:48,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:48,857 INFO L85 PathProgramCache]: Analyzing trace with hash -526580039, now seen corresponding path program 1 times [2024-10-11 17:15:48,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:48,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885940257] [2024-10-11 17:15:48,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:48,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:48,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:48,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:48,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885940257] [2024-10-11 17:15:48,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885940257] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:48,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:48,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:48,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712527181] [2024-10-11 17:15:48,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:48,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:48,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:48,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:48,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:48,933 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 194 [2024-10-11 17:15:48,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 155 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:48,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:48,934 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 194 [2024-10-11 17:15:48,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:49,009 INFO L124 PetriNetUnfolderBase]: 55/448 cut-off events. [2024-10-11 17:15:49,009 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-10-11 17:15:49,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 614 conditions, 448 events. 55/448 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1927 event pairs, 23 based on Foata normal form. 0/374 useless extension candidates. Maximal degree in co-relation 408. Up to 83 conditions per place. [2024-10-11 17:15:49,013 INFO L140 encePairwiseOnDemand]: 185/194 looper letters, 19 selfloop transitions, 5 changer transitions 0/155 dead transitions. [2024-10-11 17:15:49,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 155 transitions, 377 flow [2024-10-11 17:15:49,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:49,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:49,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 500 transitions. [2024-10-11 17:15:49,016 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8591065292096219 [2024-10-11 17:15:49,016 INFO L175 Difference]: Start difference. First operand has 157 places, 155 transitions, 326 flow. Second operand 3 states and 500 transitions. [2024-10-11 17:15:49,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 155 transitions, 377 flow [2024-10-11 17:15:49,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 155 transitions, 374 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:15:49,019 INFO L231 Difference]: Finished difference. Result has 153 places, 152 transitions, 334 flow [2024-10-11 17:15:49,020 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=315, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=153, PETRI_TRANSITIONS=152} [2024-10-11 17:15:49,022 INFO L277 CegarLoopForPetriNet]: 175 programPoint places, -22 predicate places. [2024-10-11 17:15:49,022 INFO L471 AbstractCegarLoop]: Abstraction has has 153 places, 152 transitions, 334 flow [2024-10-11 17:15:49,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:49,023 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:49,023 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:15:49,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 17:15:49,024 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-11 17:15:49,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:49,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1681300379, now seen corresponding path program 1 times [2024-10-11 17:15:49,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:49,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968096174] [2024-10-11 17:15:49,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:49,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:49,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:49,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:49,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968096174] [2024-10-11 17:15:49,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968096174] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:49,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:49,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:49,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94766800] [2024-10-11 17:15:49,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:49,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:49,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:49,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:49,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:49,112 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 194 [2024-10-11 17:15:49,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 152 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:49,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:49,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 194 [2024-10-11 17:15:49,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:49,166 INFO L124 PetriNetUnfolderBase]: 74/434 cut-off events. [2024-10-11 17:15:49,166 INFO L125 PetriNetUnfolderBase]: For 66/74 co-relation queries the response was YES. [2024-10-11 17:15:49,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 637 conditions, 434 events. 74/434 cut-off events. For 66/74 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2024 event pairs, 17 based on Foata normal form. 0/384 useless extension candidates. Maximal degree in co-relation 334. Up to 93 conditions per place. [2024-10-11 17:15:49,168 INFO L140 encePairwiseOnDemand]: 185/194 looper letters, 22 selfloop transitions, 5 changer transitions 0/155 dead transitions. [2024-10-11 17:15:49,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 155 transitions, 401 flow [2024-10-11 17:15:49,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:49,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:49,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 502 transitions. [2024-10-11 17:15:49,170 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8625429553264605 [2024-10-11 17:15:49,170 INFO L175 Difference]: Start difference. First operand has 153 places, 152 transitions, 334 flow. Second operand 3 states and 502 transitions. [2024-10-11 17:15:49,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 155 transitions, 401 flow [2024-10-11 17:15:49,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 155 transitions, 396 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:15:49,173 INFO L231 Difference]: Finished difference. Result has 151 places, 149 transitions, 340 flow [2024-10-11 17:15:49,173 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=151, PETRI_TRANSITIONS=149} [2024-10-11 17:15:49,174 INFO L277 CegarLoopForPetriNet]: 175 programPoint places, -24 predicate places. [2024-10-11 17:15:49,174 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 149 transitions, 340 flow [2024-10-11 17:15:49,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:49,175 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:49,175 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:15:49,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 17:15:49,176 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-11 17:15:49,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:49,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1156769721, now seen corresponding path program 1 times [2024-10-11 17:15:49,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:49,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084708522] [2024-10-11 17:15:49,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:49,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:49,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:49,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084708522] [2024-10-11 17:15:49,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084708522] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:49,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:49,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:49,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243812885] [2024-10-11 17:15:49,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:49,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:49,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:49,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:49,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:49,250 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 194 [2024-10-11 17:15:49,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 149 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:49,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:49,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 194 [2024-10-11 17:15:49,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:49,316 INFO L124 PetriNetUnfolderBase]: 60/556 cut-off events. [2024-10-11 17:15:49,316 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2024-10-11 17:15:49,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 788 conditions, 556 events. 60/556 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2780 event pairs, 20 based on Foata normal form. 0/503 useless extension candidates. Maximal degree in co-relation 397. Up to 117 conditions per place. [2024-10-11 17:15:49,320 INFO L140 encePairwiseOnDemand]: 190/194 looper letters, 15 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2024-10-11 17:15:49,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 150 transitions, 377 flow [2024-10-11 17:15:49,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:49,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:49,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 515 transitions. [2024-10-11 17:15:49,321 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8848797250859106 [2024-10-11 17:15:49,321 INFO L175 Difference]: Start difference. First operand has 151 places, 149 transitions, 340 flow. Second operand 3 states and 515 transitions. [2024-10-11 17:15:49,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 150 transitions, 377 flow [2024-10-11 17:15:49,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 150 transitions, 372 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:15:49,324 INFO L231 Difference]: Finished difference. Result has 151 places, 149 transitions, 345 flow [2024-10-11 17:15:49,325 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=331, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=345, PETRI_PLACES=151, PETRI_TRANSITIONS=149} [2024-10-11 17:15:49,325 INFO L277 CegarLoopForPetriNet]: 175 programPoint places, -24 predicate places. [2024-10-11 17:15:49,325 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 149 transitions, 345 flow [2024-10-11 17:15:49,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:49,327 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:49,327 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:15:49,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 17:15:49,327 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-11 17:15:49,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:49,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1300083344, now seen corresponding path program 1 times [2024-10-11 17:15:49,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:49,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599533267] [2024-10-11 17:15:49,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:49,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:49,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:49,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:49,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599533267] [2024-10-11 17:15:49,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599533267] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:49,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:49,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:49,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814264170] [2024-10-11 17:15:49,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:49,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:49,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:49,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:49,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:49,422 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 194 [2024-10-11 17:15:49,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 149 transitions, 345 flow. Second operand has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:49,423 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:49,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 194 [2024-10-11 17:15:49,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:49,496 INFO L124 PetriNetUnfolderBase]: 74/590 cut-off events. [2024-10-11 17:15:49,497 INFO L125 PetriNetUnfolderBase]: For 64/67 co-relation queries the response was YES. [2024-10-11 17:15:49,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 896 conditions, 590 events. 74/590 cut-off events. For 64/67 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3044 event pairs, 35 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 465. Up to 124 conditions per place. [2024-10-11 17:15:49,499 INFO L140 encePairwiseOnDemand]: 191/194 looper letters, 21 selfloop transitions, 2 changer transitions 0/151 dead transitions. [2024-10-11 17:15:49,500 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 151 transitions, 398 flow [2024-10-11 17:15:49,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:49,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:49,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 507 transitions. [2024-10-11 17:15:49,501 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8711340206185567 [2024-10-11 17:15:49,501 INFO L175 Difference]: Start difference. First operand has 151 places, 149 transitions, 345 flow. Second operand 3 states and 507 transitions. [2024-10-11 17:15:49,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 151 transitions, 398 flow [2024-10-11 17:15:49,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 151 transitions, 398 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 17:15:49,504 INFO L231 Difference]: Finished difference. Result has 152 places, 148 transitions, 347 flow [2024-10-11 17:15:49,504 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=343, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=347, PETRI_PLACES=152, PETRI_TRANSITIONS=148} [2024-10-11 17:15:49,505 INFO L277 CegarLoopForPetriNet]: 175 programPoint places, -23 predicate places. [2024-10-11 17:15:49,505 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 148 transitions, 347 flow [2024-10-11 17:15:49,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:49,505 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:49,506 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:15:49,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 17:15:49,506 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-11 17:15:49,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:49,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1204439081, now seen corresponding path program 1 times [2024-10-11 17:15:49,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:49,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207685799] [2024-10-11 17:15:49,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:49,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:49,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:49,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:49,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207685799] [2024-10-11 17:15:49,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207685799] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:49,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:49,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:49,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499999635] [2024-10-11 17:15:49,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:49,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:49,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:49,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:49,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:49,581 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 194 [2024-10-11 17:15:49,582 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 148 transitions, 347 flow. Second operand has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:49,582 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:49,582 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 194 [2024-10-11 17:15:49,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:49,638 INFO L124 PetriNetUnfolderBase]: 59/426 cut-off events. [2024-10-11 17:15:49,639 INFO L125 PetriNetUnfolderBase]: For 64/66 co-relation queries the response was YES. [2024-10-11 17:15:49,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 654 conditions, 426 events. 59/426 cut-off events. For 64/66 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1948 event pairs, 23 based on Foata normal form. 0/395 useless extension candidates. Maximal degree in co-relation 451. Up to 106 conditions per place. [2024-10-11 17:15:49,641 INFO L140 encePairwiseOnDemand]: 191/194 looper letters, 21 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2024-10-11 17:15:49,641 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 150 transitions, 400 flow [2024-10-11 17:15:49,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:49,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:49,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 507 transitions. [2024-10-11 17:15:49,643 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8711340206185567 [2024-10-11 17:15:49,643 INFO L175 Difference]: Start difference. First operand has 152 places, 148 transitions, 347 flow. Second operand 3 states and 507 transitions. [2024-10-11 17:15:49,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 150 transitions, 400 flow [2024-10-11 17:15:49,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 150 transitions, 396 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:49,647 INFO L231 Difference]: Finished difference. Result has 151 places, 147 transitions, 345 flow [2024-10-11 17:15:49,648 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=341, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=345, PETRI_PLACES=151, PETRI_TRANSITIONS=147} [2024-10-11 17:15:49,648 INFO L277 CegarLoopForPetriNet]: 175 programPoint places, -24 predicate places. [2024-10-11 17:15:49,649 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 147 transitions, 345 flow [2024-10-11 17:15:49,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:49,650 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:49,650 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:15:49,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 17:15:49,650 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-11 17:15:49,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:49,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1345950550, now seen corresponding path program 1 times [2024-10-11 17:15:49,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:49,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105270686] [2024-10-11 17:15:49,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:49,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:49,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:49,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:49,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105270686] [2024-10-11 17:15:49,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105270686] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:49,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:49,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:49,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551157383] [2024-10-11 17:15:49,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:49,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:49,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:49,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:49,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:49,757 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 194 [2024-10-11 17:15:49,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 147 transitions, 345 flow. Second operand has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:49,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:49,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 194 [2024-10-11 17:15:49,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:49,869 INFO L124 PetriNetUnfolderBase]: 74/569 cut-off events. [2024-10-11 17:15:49,873 INFO L125 PetriNetUnfolderBase]: For 65/68 co-relation queries the response was YES. [2024-10-11 17:15:49,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 890 conditions, 569 events. 74/569 cut-off events. For 65/68 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2876 event pairs, 35 based on Foata normal form. 0/528 useless extension candidates. Maximal degree in co-relation 584. Up to 124 conditions per place. [2024-10-11 17:15:49,881 INFO L140 encePairwiseOnDemand]: 191/194 looper letters, 21 selfloop transitions, 2 changer transitions 0/149 dead transitions. [2024-10-11 17:15:49,882 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 149 transitions, 398 flow [2024-10-11 17:15:49,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:49,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:49,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 507 transitions. [2024-10-11 17:15:49,887 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8711340206185567 [2024-10-11 17:15:49,888 INFO L175 Difference]: Start difference. First operand has 151 places, 147 transitions, 345 flow. Second operand 3 states and 507 transitions. [2024-10-11 17:15:49,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 149 transitions, 398 flow [2024-10-11 17:15:49,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 149 transitions, 394 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:49,891 INFO L231 Difference]: Finished difference. Result has 150 places, 146 transitions, 343 flow [2024-10-11 17:15:49,895 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=343, PETRI_PLACES=150, PETRI_TRANSITIONS=146} [2024-10-11 17:15:49,896 INFO L277 CegarLoopForPetriNet]: 175 programPoint places, -25 predicate places. [2024-10-11 17:15:49,896 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 146 transitions, 343 flow [2024-10-11 17:15:49,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:49,897 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:49,897 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:15:49,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 17:15:49,897 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-11 17:15:49,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:49,898 INFO L85 PathProgramCache]: Analyzing trace with hash 270161583, now seen corresponding path program 1 times [2024-10-11 17:15:49,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:49,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323370333] [2024-10-11 17:15:49,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:49,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:49,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:49,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:49,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323370333] [2024-10-11 17:15:49,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323370333] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:49,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:49,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:49,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945225838] [2024-10-11 17:15:49,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:49,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:49,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:49,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:49,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:49,998 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 194 [2024-10-11 17:15:49,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 146 transitions, 343 flow. Second operand has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:49,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:49,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 194 [2024-10-11 17:15:49,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:50,042 INFO L124 PetriNetUnfolderBase]: 58/418 cut-off events. [2024-10-11 17:15:50,042 INFO L125 PetriNetUnfolderBase]: For 61/63 co-relation queries the response was YES. [2024-10-11 17:15:50,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 645 conditions, 418 events. 58/418 cut-off events. For 61/63 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1875 event pairs, 22 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 554. Up to 105 conditions per place. [2024-10-11 17:15:50,044 INFO L140 encePairwiseOnDemand]: 191/194 looper letters, 0 selfloop transitions, 0 changer transitions 148/148 dead transitions. [2024-10-11 17:15:50,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 148 transitions, 396 flow [2024-10-11 17:15:50,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:50,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:50,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 507 transitions. [2024-10-11 17:15:50,046 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8711340206185567 [2024-10-11 17:15:50,046 INFO L175 Difference]: Start difference. First operand has 150 places, 146 transitions, 343 flow. Second operand 3 states and 507 transitions. [2024-10-11 17:15:50,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 148 transitions, 396 flow [2024-10-11 17:15:50,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 148 transitions, 392 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:50,048 INFO L231 Difference]: Finished difference. Result has 149 places, 0 transitions, 0 flow [2024-10-11 17:15:50,048 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=149, PETRI_TRANSITIONS=0} [2024-10-11 17:15:50,049 INFO L277 CegarLoopForPetriNet]: 175 programPoint places, -26 predicate places. [2024-10-11 17:15:50,049 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 0 transitions, 0 flow [2024-10-11 17:15:50,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:50,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (51 of 52 remaining) [2024-10-11 17:15:50,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (50 of 52 remaining) [2024-10-11 17:15:50,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (49 of 52 remaining) [2024-10-11 17:15:50,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (48 of 52 remaining) [2024-10-11 17:15:50,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (47 of 52 remaining) [2024-10-11 17:15:50,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (46 of 52 remaining) [2024-10-11 17:15:50,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (45 of 52 remaining) [2024-10-11 17:15:50,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (44 of 52 remaining) [2024-10-11 17:15:50,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (43 of 52 remaining) [2024-10-11 17:15:50,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (42 of 52 remaining) [2024-10-11 17:15:50,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (41 of 52 remaining) [2024-10-11 17:15:50,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (40 of 52 remaining) [2024-10-11 17:15:50,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (39 of 52 remaining) [2024-10-11 17:15:50,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (38 of 52 remaining) [2024-10-11 17:15:50,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 52 remaining) [2024-10-11 17:15:50,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (36 of 52 remaining) [2024-10-11 17:15:50,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (35 of 52 remaining) [2024-10-11 17:15:50,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (34 of 52 remaining) [2024-10-11 17:15:50,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (33 of 52 remaining) [2024-10-11 17:15:50,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (32 of 52 remaining) [2024-10-11 17:15:50,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 52 remaining) [2024-10-11 17:15:50,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 52 remaining) [2024-10-11 17:15:50,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 52 remaining) [2024-10-11 17:15:50,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 52 remaining) [2024-10-11 17:15:50,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 52 remaining) [2024-10-11 17:15:50,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 52 remaining) [2024-10-11 17:15:50,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 52 remaining) [2024-10-11 17:15:50,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 52 remaining) [2024-10-11 17:15:50,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (23 of 52 remaining) [2024-10-11 17:15:50,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (22 of 52 remaining) [2024-10-11 17:15:50,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 52 remaining) [2024-10-11 17:15:50,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 52 remaining) [2024-10-11 17:15:50,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 52 remaining) [2024-10-11 17:15:50,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 52 remaining) [2024-10-11 17:15:50,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 52 remaining) [2024-10-11 17:15:50,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 52 remaining) [2024-10-11 17:15:50,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 52 remaining) [2024-10-11 17:15:50,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 52 remaining) [2024-10-11 17:15:50,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 52 remaining) [2024-10-11 17:15:50,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 52 remaining) [2024-10-11 17:15:50,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 52 remaining) [2024-10-11 17:15:50,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (10 of 52 remaining) [2024-10-11 17:15:50,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 52 remaining) [2024-10-11 17:15:50,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 52 remaining) [2024-10-11 17:15:50,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 52 remaining) [2024-10-11 17:15:50,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 52 remaining) [2024-10-11 17:15:50,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (5 of 52 remaining) [2024-10-11 17:15:50,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (4 of 52 remaining) [2024-10-11 17:15:50,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 52 remaining) [2024-10-11 17:15:50,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (2 of 52 remaining) [2024-10-11 17:15:50,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (1 of 52 remaining) [2024-10-11 17:15:50,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 52 remaining) [2024-10-11 17:15:50,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 17:15:50,057 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:15:50,062 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 17:15:50,062 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 17:15:50,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 05:15:50 BasicIcfg [2024-10-11 17:15:50,074 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 17:15:50,075 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 17:15:50,075 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 17:15:50,075 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 17:15:50,075 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:15:47" (3/4) ... [2024-10-11 17:15:50,077 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 17:15:50,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-11 17:15:50,084 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-11 17:15:50,092 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-11 17:15:50,092 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 17:15:50,092 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 17:15:50,092 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 17:15:50,177 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 17:15:50,178 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 17:15:50,178 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 17:15:50,178 INFO L158 Benchmark]: Toolchain (without parser) took 3319.99ms. Allocated memory was 138.4MB in the beginning and 266.3MB in the end (delta: 127.9MB). Free memory was 68.6MB in the beginning and 104.2MB in the end (delta: -35.6MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. [2024-10-11 17:15:50,179 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 138.4MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:15:50,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.73ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 68.4MB in the beginning and 171.2MB in the end (delta: -102.8MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-10-11 17:15:50,179 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.43ms. Allocated memory is still 203.4MB. Free memory was 171.2MB in the beginning and 170.3MB in the end (delta: 928.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:15:50,179 INFO L158 Benchmark]: Boogie Preprocessor took 18.12ms. Allocated memory is still 203.4MB. Free memory was 170.3MB in the beginning and 168.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:15:50,179 INFO L158 Benchmark]: RCFGBuilder took 409.68ms. Allocated memory is still 203.4MB. Free memory was 168.1MB in the beginning and 145.1MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-11 17:15:50,180 INFO L158 Benchmark]: TraceAbstraction took 2448.63ms. Allocated memory was 203.4MB in the beginning and 266.3MB in the end (delta: 62.9MB). Free memory was 144.0MB in the beginning and 108.4MB in the end (delta: 35.6MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. [2024-10-11 17:15:50,180 INFO L158 Benchmark]: Witness Printer took 103.36ms. Allocated memory is still 266.3MB. Free memory was 108.4MB in the beginning and 104.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 17:15:50,181 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 138.4MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.73ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 68.4MB in the beginning and 171.2MB in the end (delta: -102.8MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.43ms. Allocated memory is still 203.4MB. Free memory was 171.2MB in the beginning and 170.3MB in the end (delta: 928.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.12ms. Allocated memory is still 203.4MB. Free memory was 170.3MB in the beginning and 168.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 409.68ms. Allocated memory is still 203.4MB. Free memory was 168.1MB in the beginning and 145.1MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2448.63ms. Allocated memory was 203.4MB in the beginning and 266.3MB in the end (delta: 62.9MB). Free memory was 144.0MB in the beginning and 108.4MB in the end (delta: 35.6MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. * Witness Printer took 103.36ms. Allocated memory is still 266.3MB. Free memory was 108.4MB in the beginning and 104.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: 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, 267 locations, 52 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: 2.3s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 428 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 155 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 535 IncrementalHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 72 mSDtfsCounter, 535 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 663 NumberOfCodeBlocks, 663 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 651 ConstructedInterpolants, 0 QuantifiedInterpolants, 675 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 17:15:50,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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