./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-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-3.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 206fc494d359c55f00dca0f227d0ffa61103c97cbe34d3166496eff2224a478a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:32:31,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:32:31,732 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:32:31,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:32:31,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:32:31,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:32:31,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:32:31,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:32:31,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:32:31,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:32:31,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:32:31,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:32:31,773 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:32:31,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:32:31,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:32:31,779 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:32:31,779 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:32:31,779 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:32:31,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:32:31,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:32:31,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:32:31,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:32:31,781 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:32:31,781 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:32:31,781 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:32:31,781 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:32:31,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:32:31,782 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:32:31,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:32:31,784 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:32:31,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:32:31,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:32:31,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:32:31,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:32:31,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:32:31,785 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:32:31,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:32:31,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:32:31,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:32:31,786 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:32:31,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:32:31,787 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 206fc494d359c55f00dca0f227d0ffa61103c97cbe34d3166496eff2224a478a [2024-10-24 15:32:32,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:32:32,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:32:32,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:32:32,070 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:32:32,071 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:32:32,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-3.wvr.c [2024-10-24 15:32:33,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:32:33,758 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:32:33,759 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-3.wvr.c [2024-10-24 15:32:33,767 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d80545939/8fad25ef18c34ef39798294e4bd285a3/FLAG11192134f [2024-10-24 15:32:33,779 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d80545939/8fad25ef18c34ef39798294e4bd285a3 [2024-10-24 15:32:33,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:32:33,782 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:32:33,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:32:33,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:32:33,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:32:33,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:32:33" (1/1) ... [2024-10-24 15:32:33,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a261989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:33, skipping insertion in model container [2024-10-24 15:32:33,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:32:33" (1/1) ... [2024-10-24 15:32:33,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:32:34,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:32:34,045 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:32:34,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:32:34,094 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:32:34,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:34 WrapperNode [2024-10-24 15:32:34,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:32:34,096 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:32:34,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:32:34,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:32:34,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:34" (1/1) ... [2024-10-24 15:32:34,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:34" (1/1) ... [2024-10-24 15:32:34,128 INFO L138 Inliner]: procedures = 20, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-10-24 15:32:34,129 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:32:34,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:32:34,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:32:34,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:32:34,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:34" (1/1) ... [2024-10-24 15:32:34,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:34" (1/1) ... [2024-10-24 15:32:34,142 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:34" (1/1) ... [2024-10-24 15:32:34,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:34" (1/1) ... [2024-10-24 15:32:34,150 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:34" (1/1) ... [2024-10-24 15:32:34,155 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:34" (1/1) ... [2024-10-24 15:32:34,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:34" (1/1) ... [2024-10-24 15:32:34,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:34" (1/1) ... [2024-10-24 15:32:34,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:32:34,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:32:34,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:32:34,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:32:34,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:34" (1/1) ... [2024-10-24 15:32:34,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:32:34,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:32:34,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 15:32:34,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 15:32:34,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:32:34,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-24 15:32:34,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-24 15:32:34,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-24 15:32:34,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-24 15:32:34,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:32:34,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 15:32:34,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 15:32:34,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:32:34,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:32:34,264 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:32:34,372 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:32:34,375 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:32:34,696 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:32:34,697 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:32:34,823 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:32:34,823 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-24 15:32:34,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:32:34 BoogieIcfgContainer [2024-10-24 15:32:34,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:32:34,828 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:32:34,828 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:32:34,832 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:32:34,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:32:33" (1/3) ... [2024-10-24 15:32:34,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:32:34, skipping insertion in model container [2024-10-24 15:32:34,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:34" (2/3) ... [2024-10-24 15:32:34,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:32:34, skipping insertion in model container [2024-10-24 15:32:34,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:32:34" (3/3) ... [2024-10-24 15:32:34,835 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-3.wvr.c [2024-10-24 15:32:34,850 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:32:34,850 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2024-10-24 15:32:34,850 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:32:34,933 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-24 15:32:34,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 162 places, 166 transitions, 346 flow [2024-10-24 15:32:35,034 INFO L124 PetriNetUnfolderBase]: 11/164 cut-off events. [2024-10-24 15:32:35,034 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 15:32:35,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 164 events. 11/164 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 313 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 102. Up to 4 conditions per place. [2024-10-24 15:32:35,048 INFO L82 GeneralOperation]: Start removeDead. Operand has 162 places, 166 transitions, 346 flow [2024-10-24 15:32:35,054 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 147 transitions, 306 flow [2024-10-24 15:32:35,067 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:32:35,073 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;@62d763d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:32:35,073 INFO L334 AbstractCegarLoop]: Starting to check reachability of 47 error locations. [2024-10-24 15:32:35,082 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:32:35,086 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-10-24 15:32:35,086 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:32:35,086 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:35,087 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:32:35,088 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-24 15:32:35,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:35,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1788974254, now seen corresponding path program 1 times [2024-10-24 15:32:35,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:35,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664975990] [2024-10-24 15:32:35,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:35,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:35,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:35,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:35,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664975990] [2024-10-24 15:32:35,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664975990] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:35,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:35,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:35,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149578812] [2024-10-24 15:32:35,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:35,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:35,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:35,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:35,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:35,355 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 166 [2024-10-24 15:32:35,360 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 147 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:35,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:35,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 166 [2024-10-24 15:32:35,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:35,448 INFO L124 PetriNetUnfolderBase]: 35/238 cut-off events. [2024-10-24 15:32:35,448 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-10-24 15:32:35,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 238 events. 35/238 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 763 event pairs, 11 based on Foata normal form. 12/205 useless extension candidates. Maximal degree in co-relation 237. Up to 50 conditions per place. [2024-10-24 15:32:35,456 INFO L140 encePairwiseOnDemand]: 153/166 looper letters, 15 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2024-10-24 15:32:35,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 136 transitions, 318 flow [2024-10-24 15:32:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:35,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:35,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 433 transitions. [2024-10-24 15:32:35,469 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8694779116465864 [2024-10-24 15:32:35,470 INFO L175 Difference]: Start difference. First operand has 144 places, 147 transitions, 306 flow. Second operand 3 states and 433 transitions. [2024-10-24 15:32:35,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 136 transitions, 318 flow [2024-10-24 15:32:35,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 136 transitions, 310 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-24 15:32:35,478 INFO L231 Difference]: Finished difference. Result has 133 places, 136 transitions, 280 flow [2024-10-24 15:32:35,480 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=280, PETRI_PLACES=133, PETRI_TRANSITIONS=136} [2024-10-24 15:32:35,483 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -11 predicate places. [2024-10-24 15:32:35,484 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 136 transitions, 280 flow [2024-10-24 15:32:35,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:35,485 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:35,485 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] [2024-10-24 15:32:35,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:32:35,486 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-24 15:32:35,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:35,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1365748082, now seen corresponding path program 1 times [2024-10-24 15:32:35,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:35,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857416078] [2024-10-24 15:32:35,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:35,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:35,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:35,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:35,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857416078] [2024-10-24 15:32:35,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857416078] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:35,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:35,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:35,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436201978] [2024-10-24 15:32:35,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:35,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:35,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:35,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:35,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:35,592 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 166 [2024-10-24 15:32:35,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 136 transitions, 280 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:35,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:35,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 166 [2024-10-24 15:32:35,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:35,665 INFO L124 PetriNetUnfolderBase]: 34/234 cut-off events. [2024-10-24 15:32:35,665 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-24 15:32:35,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 234 events. 34/234 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 752 event pairs, 11 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 265. Up to 48 conditions per place. [2024-10-24 15:32:35,669 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 15 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2024-10-24 15:32:35,669 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 135 transitions, 312 flow [2024-10-24 15:32:35,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:35,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:35,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2024-10-24 15:32:35,675 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8493975903614458 [2024-10-24 15:32:35,675 INFO L175 Difference]: Start difference. First operand has 133 places, 136 transitions, 280 flow. Second operand 3 states and 423 transitions. [2024-10-24 15:32:35,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 135 transitions, 312 flow [2024-10-24 15:32:35,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 135 transitions, 308 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:35,680 INFO L231 Difference]: Finished difference. Result has 132 places, 135 transitions, 278 flow [2024-10-24 15:32:35,680 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=132, PETRI_TRANSITIONS=135} [2024-10-24 15:32:35,681 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -12 predicate places. [2024-10-24 15:32:35,681 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 135 transitions, 278 flow [2024-10-24 15:32:35,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:35,682 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:35,682 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:32:35,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:32:35,682 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-24 15:32:35,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:35,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1241472979, now seen corresponding path program 1 times [2024-10-24 15:32:35,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:35,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98893470] [2024-10-24 15:32:35,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:35,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:35,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:35,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:35,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98893470] [2024-10-24 15:32:35,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98893470] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:35,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:35,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:35,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921516925] [2024-10-24 15:32:35,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:35,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:35,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:35,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:35,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:35,781 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 166 [2024-10-24 15:32:35,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 135 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:35,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:35,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 166 [2024-10-24 15:32:35,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:35,862 INFO L124 PetriNetUnfolderBase]: 27/228 cut-off events. [2024-10-24 15:32:35,863 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 15:32:35,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 228 events. 27/228 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 700 event pairs, 7 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 244. Up to 36 conditions per place. [2024-10-24 15:32:35,866 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 13 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2024-10-24 15:32:35,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 134 transitions, 306 flow [2024-10-24 15:32:35,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:35,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:35,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 427 transitions. [2024-10-24 15:32:35,869 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.857429718875502 [2024-10-24 15:32:35,869 INFO L175 Difference]: Start difference. First operand has 132 places, 135 transitions, 278 flow. Second operand 3 states and 427 transitions. [2024-10-24 15:32:35,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 134 transitions, 306 flow [2024-10-24 15:32:35,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 134 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:35,872 INFO L231 Difference]: Finished difference. Result has 131 places, 134 transitions, 276 flow [2024-10-24 15:32:35,874 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=131, PETRI_TRANSITIONS=134} [2024-10-24 15:32:35,875 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -13 predicate places. [2024-10-24 15:32:35,876 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 134 transitions, 276 flow [2024-10-24 15:32:35,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:35,877 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:35,877 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:32:35,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:32:35,878 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-24 15:32:35,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:35,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1891159636, now seen corresponding path program 1 times [2024-10-24 15:32:35,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:35,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152127333] [2024-10-24 15:32:35,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:35,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:35,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:35,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:35,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152127333] [2024-10-24 15:32:35,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152127333] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:35,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:35,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:35,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523522612] [2024-10-24 15:32:35,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:35,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:35,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:35,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:35,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:35,949 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 166 [2024-10-24 15:32:35,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 134 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:35,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:35,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 166 [2024-10-24 15:32:35,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:35,992 INFO L124 PetriNetUnfolderBase]: 27/229 cut-off events. [2024-10-24 15:32:35,992 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-24 15:32:35,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 229 events. 27/229 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 718 event pairs, 7 based on Foata normal form. 0/186 useless extension candidates. Maximal degree in co-relation 237. Up to 35 conditions per place. [2024-10-24 15:32:35,994 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 13 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2024-10-24 15:32:35,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 133 transitions, 304 flow [2024-10-24 15:32:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:35,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:35,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 427 transitions. [2024-10-24 15:32:35,997 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.857429718875502 [2024-10-24 15:32:35,998 INFO L175 Difference]: Start difference. First operand has 131 places, 134 transitions, 276 flow. Second operand 3 states and 427 transitions. [2024-10-24 15:32:35,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 133 transitions, 304 flow [2024-10-24 15:32:35,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 133 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:36,002 INFO L231 Difference]: Finished difference. Result has 130 places, 133 transitions, 274 flow [2024-10-24 15:32:36,003 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=130, PETRI_TRANSITIONS=133} [2024-10-24 15:32:36,004 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -14 predicate places. [2024-10-24 15:32:36,004 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 133 transitions, 274 flow [2024-10-24 15:32:36,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:36,004 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:36,004 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:32:36,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:32:36,005 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-24 15:32:36,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:36,005 INFO L85 PathProgramCache]: Analyzing trace with hash -48638622, now seen corresponding path program 1 times [2024-10-24 15:32:36,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:36,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778611717] [2024-10-24 15:32:36,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:36,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:36,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:36,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:36,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778611717] [2024-10-24 15:32:36,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778611717] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:36,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:36,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:36,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697597255] [2024-10-24 15:32:36,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:36,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:36,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:36,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:36,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:36,062 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 166 [2024-10-24 15:32:36,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 133 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:36,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:36,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 166 [2024-10-24 15:32:36,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:36,102 INFO L124 PetriNetUnfolderBase]: 30/230 cut-off events. [2024-10-24 15:32:36,102 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 15:32:36,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 230 events. 30/230 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 720 event pairs, 2 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 242. Up to 31 conditions per place. [2024-10-24 15:32:36,104 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 14 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2024-10-24 15:32:36,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 136 transitions, 313 flow [2024-10-24 15:32:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:36,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:36,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2024-10-24 15:32:36,107 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8835341365461847 [2024-10-24 15:32:36,107 INFO L175 Difference]: Start difference. First operand has 130 places, 133 transitions, 274 flow. Second operand 3 states and 440 transitions. [2024-10-24 15:32:36,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 136 transitions, 313 flow [2024-10-24 15:32:36,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 136 transitions, 309 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:36,111 INFO L231 Difference]: Finished difference. Result has 130 places, 133 transitions, 278 flow [2024-10-24 15:32:36,111 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=130, PETRI_TRANSITIONS=133} [2024-10-24 15:32:36,112 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -14 predicate places. [2024-10-24 15:32:36,112 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 133 transitions, 278 flow [2024-10-24 15:32:36,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:36,112 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:36,112 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] [2024-10-24 15:32:36,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:32:36,113 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-24 15:32:36,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:36,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1588730558, now seen corresponding path program 1 times [2024-10-24 15:32:36,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:36,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719789406] [2024-10-24 15:32:36,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:36,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:36,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:36,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:36,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719789406] [2024-10-24 15:32:36,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719789406] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:36,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:36,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:36,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252281103] [2024-10-24 15:32:36,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:36,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:36,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:36,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:36,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:36,207 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 166 [2024-10-24 15:32:36,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 133 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:36,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:36,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 166 [2024-10-24 15:32:36,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:36,257 INFO L124 PetriNetUnfolderBase]: 65/304 cut-off events. [2024-10-24 15:32:36,258 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-24 15:32:36,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 304 events. 65/304 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1177 event pairs, 9 based on Foata normal form. 0/251 useless extension candidates. Maximal degree in co-relation 346. Up to 70 conditions per place. [2024-10-24 15:32:36,261 INFO L140 encePairwiseOnDemand]: 160/166 looper letters, 19 selfloop transitions, 3 changer transitions 0/136 dead transitions. [2024-10-24 15:32:36,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 136 transitions, 331 flow [2024-10-24 15:32:36,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:36,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:36,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 430 transitions. [2024-10-24 15:32:36,262 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8634538152610441 [2024-10-24 15:32:36,263 INFO L175 Difference]: Start difference. First operand has 130 places, 133 transitions, 278 flow. Second operand 3 states and 430 transitions. [2024-10-24 15:32:36,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 136 transitions, 331 flow [2024-10-24 15:32:36,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 136 transitions, 329 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:32:36,266 INFO L231 Difference]: Finished difference. Result has 129 places, 131 transitions, 283 flow [2024-10-24 15:32:36,266 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=283, PETRI_PLACES=129, PETRI_TRANSITIONS=131} [2024-10-24 15:32:36,269 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -15 predicate places. [2024-10-24 15:32:36,269 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 131 transitions, 283 flow [2024-10-24 15:32:36,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:36,269 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:36,269 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] [2024-10-24 15:32:36,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:32:36,270 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-24 15:32:36,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:36,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1952571758, now seen corresponding path program 1 times [2024-10-24 15:32:36,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:36,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541969515] [2024-10-24 15:32:36,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:36,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:36,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:36,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:36,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541969515] [2024-10-24 15:32:36,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541969515] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:36,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:36,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:36,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564495865] [2024-10-24 15:32:36,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:36,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:36,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:36,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:36,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:36,339 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 166 [2024-10-24 15:32:36,340 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 131 transitions, 283 flow. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:36,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:36,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 166 [2024-10-24 15:32:36,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:36,381 INFO L124 PetriNetUnfolderBase]: 38/285 cut-off events. [2024-10-24 15:32:36,381 INFO L125 PetriNetUnfolderBase]: For 13/14 co-relation queries the response was YES. [2024-10-24 15:32:36,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 285 events. 38/285 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1037 event pairs, 4 based on Foata normal form. 0/238 useless extension candidates. Maximal degree in co-relation 229. Up to 36 conditions per place. [2024-10-24 15:32:36,383 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 14 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2024-10-24 15:32:36,383 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 134 transitions, 322 flow [2024-10-24 15:32:36,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:36,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:36,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2024-10-24 15:32:36,385 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8835341365461847 [2024-10-24 15:32:36,385 INFO L175 Difference]: Start difference. First operand has 129 places, 131 transitions, 283 flow. Second operand 3 states and 440 transitions. [2024-10-24 15:32:36,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 134 transitions, 322 flow [2024-10-24 15:32:36,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 134 transitions, 319 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:32:36,388 INFO L231 Difference]: Finished difference. Result has 130 places, 131 transitions, 288 flow [2024-10-24 15:32:36,388 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=130, PETRI_TRANSITIONS=131} [2024-10-24 15:32:36,388 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -14 predicate places. [2024-10-24 15:32:36,389 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 131 transitions, 288 flow [2024-10-24 15:32:36,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:36,389 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:36,389 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:32:36,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:32:36,389 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-24 15:32:36,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:36,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1971290076, now seen corresponding path program 1 times [2024-10-24 15:32:36,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:36,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066351666] [2024-10-24 15:32:36,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:36,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:36,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:36,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:36,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066351666] [2024-10-24 15:32:36,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066351666] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:36,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:36,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:36,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208251234] [2024-10-24 15:32:36,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:36,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:36,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:36,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:36,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:36,465 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 166 [2024-10-24 15:32:36,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 131 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:36,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:36,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 166 [2024-10-24 15:32:36,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:36,533 INFO L124 PetriNetUnfolderBase]: 54/306 cut-off events. [2024-10-24 15:32:36,533 INFO L125 PetriNetUnfolderBase]: For 24/25 co-relation queries the response was YES. [2024-10-24 15:32:36,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 428 conditions, 306 events. 54/306 cut-off events. For 24/25 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1277 event pairs, 4 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 284. Up to 66 conditions per place. [2024-10-24 15:32:36,536 INFO L140 encePairwiseOnDemand]: 160/166 looper letters, 18 selfloop transitions, 3 changer transitions 0/133 dead transitions. [2024-10-24 15:32:36,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 133 transitions, 336 flow [2024-10-24 15:32:36,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:36,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:36,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 429 transitions. [2024-10-24 15:32:36,538 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8614457831325302 [2024-10-24 15:32:36,538 INFO L175 Difference]: Start difference. First operand has 130 places, 131 transitions, 288 flow. Second operand 3 states and 429 transitions. [2024-10-24 15:32:36,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 133 transitions, 336 flow [2024-10-24 15:32:36,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 133 transitions, 334 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:32:36,541 INFO L231 Difference]: Finished difference. Result has 129 places, 129 transitions, 293 flow [2024-10-24 15:32:36,542 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=293, PETRI_PLACES=129, PETRI_TRANSITIONS=129} [2024-10-24 15:32:36,542 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -15 predicate places. [2024-10-24 15:32:36,542 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 129 transitions, 293 flow [2024-10-24 15:32:36,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:36,543 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:36,543 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] [2024-10-24 15:32:36,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:32:36,543 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-24 15:32:36,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:36,544 INFO L85 PathProgramCache]: Analyzing trace with hash -249433461, now seen corresponding path program 1 times [2024-10-24 15:32:36,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:36,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772275593] [2024-10-24 15:32:36,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:36,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:36,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:36,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:36,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772275593] [2024-10-24 15:32:36,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772275593] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:36,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:36,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:36,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317629719] [2024-10-24 15:32:36,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:36,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:36,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:36,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:36,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:36,640 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 166 [2024-10-24 15:32:36,641 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 129 transitions, 293 flow. Second operand has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:36,641 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:36,641 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 166 [2024-10-24 15:32:36,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:36,685 INFO L124 PetriNetUnfolderBase]: 44/254 cut-off events. [2024-10-24 15:32:36,686 INFO L125 PetriNetUnfolderBase]: For 12/20 co-relation queries the response was YES. [2024-10-24 15:32:36,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 254 events. 44/254 cut-off events. For 12/20 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 922 event pairs, 14 based on Foata normal form. 1/230 useless extension candidates. Maximal degree in co-relation 255. Up to 60 conditions per place. [2024-10-24 15:32:36,688 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 18 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2024-10-24 15:32:36,688 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 131 transitions, 338 flow [2024-10-24 15:32:36,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:36,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:36,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2024-10-24 15:32:36,691 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8654618473895582 [2024-10-24 15:32:36,691 INFO L175 Difference]: Start difference. First operand has 129 places, 129 transitions, 293 flow. Second operand 3 states and 431 transitions. [2024-10-24 15:32:36,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 131 transitions, 338 flow [2024-10-24 15:32:36,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 131 transitions, 335 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:32:36,694 INFO L231 Difference]: Finished difference. Result has 129 places, 128 transitions, 292 flow [2024-10-24 15:32:36,694 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=129, PETRI_TRANSITIONS=128} [2024-10-24 15:32:36,695 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -15 predicate places. [2024-10-24 15:32:36,695 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 128 transitions, 292 flow [2024-10-24 15:32:36,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:36,696 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:36,696 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] [2024-10-24 15:32:36,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:32:36,697 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-24 15:32:36,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:36,697 INFO L85 PathProgramCache]: Analyzing trace with hash 343278189, now seen corresponding path program 1 times [2024-10-24 15:32:36,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:36,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062526426] [2024-10-24 15:32:36,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:36,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:36,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:36,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:36,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062526426] [2024-10-24 15:32:36,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062526426] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:36,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:36,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:36,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468234823] [2024-10-24 15:32:36,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:36,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:36,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:36,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:36,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:36,777 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 166 [2024-10-24 15:32:36,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 128 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:36,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:36,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 166 [2024-10-24 15:32:36,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:36,827 INFO L124 PetriNetUnfolderBase]: 54/301 cut-off events. [2024-10-24 15:32:36,827 INFO L125 PetriNetUnfolderBase]: For 29/30 co-relation queries the response was YES. [2024-10-24 15:32:36,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 301 events. 54/301 cut-off events. For 29/30 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1255 event pairs, 19 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 315. Up to 71 conditions per place. [2024-10-24 15:32:36,829 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 18 selfloop transitions, 2 changer transitions 0/130 dead transitions. [2024-10-24 15:32:36,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 130 transitions, 337 flow [2024-10-24 15:32:36,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:36,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:36,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2024-10-24 15:32:36,831 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8654618473895582 [2024-10-24 15:32:36,831 INFO L175 Difference]: Start difference. First operand has 129 places, 128 transitions, 292 flow. Second operand 3 states and 431 transitions. [2024-10-24 15:32:36,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 130 transitions, 337 flow [2024-10-24 15:32:36,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 130 transitions, 333 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:36,834 INFO L231 Difference]: Finished difference. Result has 128 places, 127 transitions, 290 flow [2024-10-24 15:32:36,835 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=128, PETRI_TRANSITIONS=127} [2024-10-24 15:32:36,836 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -16 predicate places. [2024-10-24 15:32:36,836 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 127 transitions, 290 flow [2024-10-24 15:32:36,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:36,837 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:36,837 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] [2024-10-24 15:32:36,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 15:32:36,837 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-24 15:32:36,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:36,838 INFO L85 PathProgramCache]: Analyzing trace with hash -426661188, now seen corresponding path program 1 times [2024-10-24 15:32:36,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:36,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895244495] [2024-10-24 15:32:36,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:36,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:36,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:36,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:36,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895244495] [2024-10-24 15:32:36,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895244495] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:36,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:36,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:36,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033260672] [2024-10-24 15:32:36,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:36,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:36,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:36,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:36,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:36,902 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 166 [2024-10-24 15:32:36,903 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 127 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:36,903 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:36,903 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 166 [2024-10-24 15:32:36,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:36,935 INFO L124 PetriNetUnfolderBase]: 24/238 cut-off events. [2024-10-24 15:32:36,936 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2024-10-24 15:32:36,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 238 events. 24/238 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 636 event pairs, 4 based on Foata normal form. 4/216 useless extension candidates. Maximal degree in co-relation 188. Up to 28 conditions per place. [2024-10-24 15:32:36,937 INFO L140 encePairwiseOnDemand]: 164/166 looper letters, 7 selfloop transitions, 0 changer transitions 2/126 dead transitions. [2024-10-24 15:32:36,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 126 transitions, 306 flow [2024-10-24 15:32:36,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:36,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:36,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 439 transitions. [2024-10-24 15:32:36,939 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8815261044176707 [2024-10-24 15:32:36,940 INFO L175 Difference]: Start difference. First operand has 128 places, 127 transitions, 290 flow. Second operand 3 states and 439 transitions. [2024-10-24 15:32:36,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 126 transitions, 306 flow [2024-10-24 15:32:36,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 126 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:36,942 INFO L231 Difference]: Finished difference. Result has 127 places, 124 transitions, 279 flow [2024-10-24 15:32:36,942 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=279, PETRI_PLACES=127, PETRI_TRANSITIONS=124} [2024-10-24 15:32:36,943 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -17 predicate places. [2024-10-24 15:32:36,943 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 124 transitions, 279 flow [2024-10-24 15:32:36,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:36,947 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:36,947 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] [2024-10-24 15:32:36,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 15:32:36,947 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-24 15:32:36,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:36,948 INFO L85 PathProgramCache]: Analyzing trace with hash -730566541, now seen corresponding path program 1 times [2024-10-24 15:32:36,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:36,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451371358] [2024-10-24 15:32:36,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:36,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:37,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:37,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:37,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451371358] [2024-10-24 15:32:37,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451371358] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:37,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:37,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:37,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743968379] [2024-10-24 15:32:37,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:37,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:37,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:37,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:37,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:37,027 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 166 [2024-10-24 15:32:37,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 124 transitions, 279 flow. Second operand has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:37,028 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:37,028 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 166 [2024-10-24 15:32:37,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:37,066 INFO L124 PetriNetUnfolderBase]: 41/247 cut-off events. [2024-10-24 15:32:37,066 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-24 15:32:37,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 247 events. 41/247 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 859 event pairs, 12 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 349. Up to 50 conditions per place. [2024-10-24 15:32:37,081 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 15 selfloop transitions, 2 changer transitions 0/126 dead transitions. [2024-10-24 15:32:37,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 126 transitions, 318 flow [2024-10-24 15:32:37,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:37,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:37,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 434 transitions. [2024-10-24 15:32:37,084 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8714859437751004 [2024-10-24 15:32:37,084 INFO L175 Difference]: Start difference. First operand has 127 places, 124 transitions, 279 flow. Second operand 3 states and 434 transitions. [2024-10-24 15:32:37,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 126 transitions, 318 flow [2024-10-24 15:32:37,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 126 transitions, 318 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:32:37,087 INFO L231 Difference]: Finished difference. Result has 125 places, 123 transitions, 281 flow [2024-10-24 15:32:37,087 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=277, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=281, PETRI_PLACES=125, PETRI_TRANSITIONS=123} [2024-10-24 15:32:37,088 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -19 predicate places. [2024-10-24 15:32:37,088 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 123 transitions, 281 flow [2024-10-24 15:32:37,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:37,089 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:37,089 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] [2024-10-24 15:32:37,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 15:32:37,089 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-24 15:32:37,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:37,090 INFO L85 PathProgramCache]: Analyzing trace with hash 4804565, now seen corresponding path program 1 times [2024-10-24 15:32:37,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:37,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527113849] [2024-10-24 15:32:37,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:37,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:37,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:37,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:37,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527113849] [2024-10-24 15:32:37,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527113849] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:37,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:37,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:37,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241773340] [2024-10-24 15:32:37,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:37,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:37,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:37,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:37,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:37,176 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 166 [2024-10-24 15:32:37,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 123 transitions, 281 flow. Second operand has 3 states, 3 states have (on average 141.66666666666666) internal successors, (425), 3 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:37,177 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:37,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 166 [2024-10-24 15:32:37,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:37,227 INFO L124 PetriNetUnfolderBase]: 50/295 cut-off events. [2024-10-24 15:32:37,228 INFO L125 PetriNetUnfolderBase]: For 25/26 co-relation queries the response was YES. [2024-10-24 15:32:37,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 295 events. 50/295 cut-off events. For 25/26 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1181 event pairs, 16 based on Foata normal form. 0/265 useless extension candidates. Maximal degree in co-relation 414. Up to 59 conditions per place. [2024-10-24 15:32:37,229 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 0 selfloop transitions, 0 changer transitions 125/125 dead transitions. [2024-10-24 15:32:37,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 125 transitions, 320 flow [2024-10-24 15:32:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:37,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:37,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 434 transitions. [2024-10-24 15:32:37,231 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8714859437751004 [2024-10-24 15:32:37,231 INFO L175 Difference]: Start difference. First operand has 125 places, 123 transitions, 281 flow. Second operand 3 states and 434 transitions. [2024-10-24 15:32:37,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 125 transitions, 320 flow [2024-10-24 15:32:37,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 125 transitions, 316 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:37,234 INFO L231 Difference]: Finished difference. Result has 124 places, 0 transitions, 0 flow [2024-10-24 15:32:37,234 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=275, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=124, PETRI_TRANSITIONS=0} [2024-10-24 15:32:37,235 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -20 predicate places. [2024-10-24 15:32:37,235 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 0 transitions, 0 flow [2024-10-24 15:32:37,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.66666666666666) internal successors, (425), 3 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:37,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (46 of 47 remaining) [2024-10-24 15:32:37,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 47 remaining) [2024-10-24 15:32:37,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (44 of 47 remaining) [2024-10-24 15:32:37,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (43 of 47 remaining) [2024-10-24 15:32:37,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (42 of 47 remaining) [2024-10-24 15:32:37,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (41 of 47 remaining) [2024-10-24 15:32:37,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (40 of 47 remaining) [2024-10-24 15:32:37,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (39 of 47 remaining) [2024-10-24 15:32:37,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (38 of 47 remaining) [2024-10-24 15:32:37,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (37 of 47 remaining) [2024-10-24 15:32:37,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (36 of 47 remaining) [2024-10-24 15:32:37,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (35 of 47 remaining) [2024-10-24 15:32:37,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (34 of 47 remaining) [2024-10-24 15:32:37,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (33 of 47 remaining) [2024-10-24 15:32:37,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (32 of 47 remaining) [2024-10-24 15:32:37,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (31 of 47 remaining) [2024-10-24 15:32:37,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (30 of 47 remaining) [2024-10-24 15:32:37,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (29 of 47 remaining) [2024-10-24 15:32:37,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (28 of 47 remaining) [2024-10-24 15:32:37,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (27 of 47 remaining) [2024-10-24 15:32:37,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 47 remaining) [2024-10-24 15:32:37,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 47 remaining) [2024-10-24 15:32:37,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 47 remaining) [2024-10-24 15:32:37,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 47 remaining) [2024-10-24 15:32:37,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 47 remaining) [2024-10-24 15:32:37,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 47 remaining) [2024-10-24 15:32:37,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 47 remaining) [2024-10-24 15:32:37,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 47 remaining) [2024-10-24 15:32:37,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 47 remaining) [2024-10-24 15:32:37,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 47 remaining) [2024-10-24 15:32:37,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 47 remaining) [2024-10-24 15:32:37,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 47 remaining) [2024-10-24 15:32:37,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 47 remaining) [2024-10-24 15:32:37,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 47 remaining) [2024-10-24 15:32:37,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 47 remaining) [2024-10-24 15:32:37,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 47 remaining) [2024-10-24 15:32:37,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (10 of 47 remaining) [2024-10-24 15:32:37,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 47 remaining) [2024-10-24 15:32:37,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 47 remaining) [2024-10-24 15:32:37,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 47 remaining) [2024-10-24 15:32:37,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 47 remaining) [2024-10-24 15:32:37,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (5 of 47 remaining) [2024-10-24 15:32:37,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (4 of 47 remaining) [2024-10-24 15:32:37,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 47 remaining) [2024-10-24 15:32:37,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (2 of 47 remaining) [2024-10-24 15:32:37,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (1 of 47 remaining) [2024-10-24 15:32:37,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 47 remaining) [2024-10-24 15:32:37,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 15:32:37,245 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:32:37,251 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:32:37,251 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:32:37,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:32:37 BasicIcfg [2024-10-24 15:32:37,258 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:32:37,258 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:32:37,258 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:32:37,259 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:32:37,259 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:32:34" (3/4) ... [2024-10-24 15:32:37,261 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:32:37,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-24 15:32:37,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-24 15:32:37,268 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-24 15:32:37,269 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 15:32:37,269 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:32:37,269 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:32:37,361 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:32:37,361 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:32:37,361 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:32:37,362 INFO L158 Benchmark]: Toolchain (without parser) took 3579.62ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 110.5MB in the beginning and 150.4MB in the end (delta: -39.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:32:37,362 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory was 89.1MB in the beginning and 89.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:32:37,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.76ms. Allocated memory is still 180.4MB. Free memory was 110.2MB in the beginning and 97.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 15:32:37,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.89ms. Allocated memory is still 180.4MB. Free memory was 97.1MB in the beginning and 95.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:32:37,365 INFO L158 Benchmark]: Boogie Preprocessor took 30.53ms. Allocated memory is still 180.4MB. Free memory was 95.6MB in the beginning and 94.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:32:37,365 INFO L158 Benchmark]: RCFGBuilder took 665.33ms. Allocated memory is still 180.4MB. Free memory was 94.3MB in the beginning and 143.7MB in the end (delta: -49.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-24 15:32:37,365 INFO L158 Benchmark]: TraceAbstraction took 2429.78ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 143.7MB in the beginning and 154.6MB in the end (delta: -10.9MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-10-24 15:32:37,365 INFO L158 Benchmark]: Witness Printer took 103.03ms. Allocated memory is still 218.1MB. Free memory was 154.6MB in the beginning and 150.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:32:37,367 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory was 89.1MB in the beginning and 89.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.76ms. Allocated memory is still 180.4MB. Free memory was 110.2MB in the beginning and 97.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.89ms. Allocated memory is still 180.4MB. Free memory was 97.1MB in the beginning and 95.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.53ms. Allocated memory is still 180.4MB. Free memory was 95.6MB in the beginning and 94.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 665.33ms. Allocated memory is still 180.4MB. Free memory was 94.3MB in the beginning and 143.7MB in the end (delta: -49.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2429.78ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 143.7MB in the beginning and 154.6MB in the end (delta: -10.9MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Witness Printer took 103.03ms. Allocated memory is still 218.1MB. Free memory was 154.6MB in the beginning and 150.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: 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, 242 locations, 47 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: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 321 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 466 IncrementalHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 84 mSDtfsCounter, 466 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=306occurred in iteration=0, InterpolantAutomatonStates: 39, 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, 0.5s InterpolantComputationTime, 603 NumberOfCodeBlocks, 603 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 590 ConstructedInterpolants, 0 QuantifiedInterpolants, 616 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 25 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:32:37,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE