./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-lit/sssc12_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/pthread-lit/sssc12_variant.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ff08c0361e0fdb1af5d85b333c023f31932563eeba591605f3b3b9ddd16afc8 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:45:52,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:45:52,103 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:45:52,107 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:45:52,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:45:52,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:45:52,138 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:45:52,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:45:52,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:45:52,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:45:52,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:45:52,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:45:52,143 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:45:52,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:45:52,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:45:52,147 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:45:52,147 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:45:52,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:45:52,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:45:52,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:45:52,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:45:52,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:45:52,149 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:45:52,149 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:45:52,149 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:45:52,149 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:45:52,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:45:52,150 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:45:52,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:45:52,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:45:52,151 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:45:52,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:45:52,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:45:52,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:45:52,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:45:52,152 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:45:52,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:45:52,153 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:45:52,153 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:45:52,153 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:45:52,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:45:52,154 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ff08c0361e0fdb1af5d85b333c023f31932563eeba591605f3b3b9ddd16afc8 [2024-11-09 06:45:52,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:45:52,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:45:52,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:45:52,483 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:45:52,484 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:45:52,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-lit/sssc12_variant.i [2024-11-09 06:45:53,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:45:54,260 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:45:54,264 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/sssc12_variant.i [2024-11-09 06:45:54,289 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e374d0b24/a331a21a12534f0b865258770f0c71bc/FLAG9115a3589 [2024-11-09 06:45:54,307 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e374d0b24/a331a21a12534f0b865258770f0c71bc [2024-11-09 06:45:54,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:45:54,312 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:45:54,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:45:54,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:45:54,319 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:45:54,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:45:54" (1/1) ... [2024-11-09 06:45:54,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a83d644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:54, skipping insertion in model container [2024-11-09 06:45:54,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:45:54" (1/1) ... [2024-11-09 06:45:54,370 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:45:54,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:45:54,972 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:45:55,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:45:55,087 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:45:55,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:55 WrapperNode [2024-11-09 06:45:55,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:45:55,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:45:55,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:45:55,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:45:55,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:55" (1/1) ... [2024-11-09 06:45:55,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:55" (1/1) ... [2024-11-09 06:45:55,150 INFO L138 Inliner]: procedures = 272, calls = 22, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 138 [2024-11-09 06:45:55,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:45:55,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:45:55,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:45:55,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:45:55,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:55" (1/1) ... [2024-11-09 06:45:55,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:55" (1/1) ... [2024-11-09 06:45:55,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:55" (1/1) ... [2024-11-09 06:45:55,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:55" (1/1) ... [2024-11-09 06:45:55,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:55" (1/1) ... [2024-11-09 06:45:55,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:55" (1/1) ... [2024-11-09 06:45:55,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:55" (1/1) ... [2024-11-09 06:45:55,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:55" (1/1) ... [2024-11-09 06:45:55,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:45:55,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:45:55,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:45:55,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:45:55,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:55" (1/1) ... [2024-11-09 06:45:55,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:45:55,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:45:55,241 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) [2024-11-09 06:45:55,244 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 [2024-11-09 06:45:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2024-11-09 06:45:55,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2024-11-09 06:45:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 06:45:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:45:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:45:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 06:45:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:45:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:45:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:45:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:45:55,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:45:55,288 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:45:55,408 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:45:55,410 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:45:55,687 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:45:55,687 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:45:55,720 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:45:55,722 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 06:45:55,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:45:55 BoogieIcfgContainer [2024-11-09 06:45:55,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:45:55,725 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:45:55,725 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:45:55,728 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:45:55,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:45:54" (1/3) ... [2024-11-09 06:45:55,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6845ad81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:45:55, skipping insertion in model container [2024-11-09 06:45:55,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:55" (2/3) ... [2024-11-09 06:45:55,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6845ad81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:45:55, skipping insertion in model container [2024-11-09 06:45:55,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:45:55" (3/3) ... [2024-11-09 06:45:55,732 INFO L112 eAbstractionObserver]: Analyzing ICFG sssc12_variant.i [2024-11-09 06:45:55,749 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:45:55,750 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2024-11-09 06:45:55,750 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:45:55,869 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 06:45:55,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 161 places, 166 transitions, 336 flow [2024-11-09 06:45:56,009 INFO L124 PetriNetUnfolderBase]: 9/177 cut-off events. [2024-11-09 06:45:56,009 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:45:56,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 177 events. 9/177 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 143 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 98. Up to 4 conditions per place. [2024-11-09 06:45:56,020 INFO L82 GeneralOperation]: Start removeDead. Operand has 161 places, 166 transitions, 336 flow [2024-11-09 06:45:56,029 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 161 places, 166 transitions, 336 flow [2024-11-09 06:45:56,043 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:45:56,054 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;@774bbdb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:45:56,054 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-11-09 06:45:56,065 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:45:56,065 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-11-09 06:45:56,065 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:45:56,066 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:45:56,069 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:45:56,070 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 06:45:56,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:45:56,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1268391239, now seen corresponding path program 1 times [2024-11-09 06:45:56,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:45:56,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744482503] [2024-11-09 06:45:56,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:45:56,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:45:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:45:56,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:45:56,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:45:56,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744482503] [2024-11-09 06:45:56,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744482503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:45:56,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:45:56,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:45:56,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739102753] [2024-11-09 06:45:56,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:45:56,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:45:56,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:45:56,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:45:56,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:45:56,432 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 166 [2024-11-09 06:45:56,439 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 166 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 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) [2024-11-09 06:45:56,440 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:45:56,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 166 [2024-11-09 06:45:56,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:45:56,509 INFO L124 PetriNetUnfolderBase]: 3/156 cut-off events. [2024-11-09 06:45:56,511 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:45:56,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 156 events. 3/156 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 90 event pairs, 0 based on Foata normal form. 12/147 useless extension candidates. Maximal degree in co-relation 92. Up to 11 conditions per place. [2024-11-09 06:45:56,514 INFO L140 encePairwiseOnDemand]: 157/166 looper letters, 10 selfloop transitions, 2 changer transitions 1/152 dead transitions. [2024-11-09 06:45:56,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 152 transitions, 332 flow [2024-11-09 06:45:56,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:45:56,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:45:56,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 454 transitions. [2024-11-09 06:45:56,528 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9116465863453815 [2024-11-09 06:45:56,530 INFO L175 Difference]: Start difference. First operand has 161 places, 166 transitions, 336 flow. Second operand 3 states and 454 transitions. [2024-11-09 06:45:56,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 152 transitions, 332 flow [2024-11-09 06:45:56,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 152 transitions, 332 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:45:56,540 INFO L231 Difference]: Finished difference. Result has 154 places, 151 transitions, 310 flow [2024-11-09 06:45:56,542 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=310, PETRI_PLACES=154, PETRI_TRANSITIONS=151} [2024-11-09 06:45:56,548 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -7 predicate places. [2024-11-09 06:45:56,548 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 151 transitions, 310 flow [2024-11-09 06:45:56,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 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) [2024-11-09 06:45:56,549 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:45:56,549 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] [2024-11-09 06:45:56,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:45:56,550 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 06:45:56,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:45:56,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1403343425, now seen corresponding path program 1 times [2024-11-09 06:45:56,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:45:56,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50148397] [2024-11-09 06:45:56,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:45:56,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:45:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:45:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:45:56,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:45:56,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50148397] [2024-11-09 06:45:56,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50148397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:45:56,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:45:56,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:45:56,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955552167] [2024-11-09 06:45:56,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:45:56,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:45:56,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:45:56,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:45:56,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:45:56,688 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 166 [2024-11-09 06:45:56,689 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 151 transitions, 310 flow. Second operand has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 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) [2024-11-09 06:45:56,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:45:56,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 166 [2024-11-09 06:45:56,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:45:56,730 INFO L124 PetriNetUnfolderBase]: 3/154 cut-off events. [2024-11-09 06:45:56,734 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:45:56,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 154 events. 3/154 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 91 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 141. Up to 11 conditions per place. [2024-11-09 06:45:56,736 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 10 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2024-11-09 06:45:56,736 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 150 transitions, 332 flow [2024-11-09 06:45:56,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:45:56,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:45:56,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 448 transitions. [2024-11-09 06:45:56,742 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8995983935742972 [2024-11-09 06:45:56,742 INFO L175 Difference]: Start difference. First operand has 154 places, 151 transitions, 310 flow. Second operand 3 states and 448 transitions. [2024-11-09 06:45:56,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 150 transitions, 332 flow [2024-11-09 06:45:56,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 150 transitions, 328 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:45:56,747 INFO L231 Difference]: Finished difference. Result has 152 places, 150 transitions, 308 flow [2024-11-09 06:45:56,748 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=308, PETRI_PLACES=152, PETRI_TRANSITIONS=150} [2024-11-09 06:45:56,749 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -9 predicate places. [2024-11-09 06:45:56,750 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 150 transitions, 308 flow [2024-11-09 06:45:56,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 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) [2024-11-09 06:45:56,750 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:45:56,751 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:45:56,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:45:56,752 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 06:45:56,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:45:56,753 INFO L85 PathProgramCache]: Analyzing trace with hash -2132856912, now seen corresponding path program 1 times [2024-11-09 06:45:56,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:45:56,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543114481] [2024-11-09 06:45:56,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:45:56,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:45:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:45:56,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:45:56,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:45:56,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543114481] [2024-11-09 06:45:56,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543114481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:45:56,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:45:56,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:45:56,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213042569] [2024-11-09 06:45:56,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:45:56,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:45:56,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:45:56,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:45:56,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:45:56,864 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 166 [2024-11-09 06:45:56,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 150 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 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) [2024-11-09 06:45:56,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:45:56,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 166 [2024-11-09 06:45:56,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:45:56,911 INFO L124 PetriNetUnfolderBase]: 3/150 cut-off events. [2024-11-09 06:45:56,916 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 06:45:56,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 150 events. 3/150 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 85 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 129. Up to 11 conditions per place. [2024-11-09 06:45:56,918 INFO L140 encePairwiseOnDemand]: 161/166 looper letters, 11 selfloop transitions, 1 changer transitions 0/146 dead transitions. [2024-11-09 06:45:56,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 146 transitions, 324 flow [2024-11-09 06:45:56,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:45:56,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:45:56,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2024-11-09 06:45:56,922 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.893574297188755 [2024-11-09 06:45:56,922 INFO L175 Difference]: Start difference. First operand has 152 places, 150 transitions, 308 flow. Second operand 3 states and 445 transitions. [2024-11-09 06:45:56,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 146 transitions, 324 flow [2024-11-09 06:45:56,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 146 transitions, 320 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:45:56,929 INFO L231 Difference]: Finished difference. Result has 148 places, 146 transitions, 298 flow [2024-11-09 06:45:56,929 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=298, PETRI_PLACES=148, PETRI_TRANSITIONS=146} [2024-11-09 06:45:56,930 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -13 predicate places. [2024-11-09 06:45:56,934 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 146 transitions, 298 flow [2024-11-09 06:45:56,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 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) [2024-11-09 06:45:56,935 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:45:56,935 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:45:56,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:45:56,936 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 06:45:56,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:45:56,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1413208963, now seen corresponding path program 1 times [2024-11-09 06:45:56,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:45:56,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624341442] [2024-11-09 06:45:56,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:45:56,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:45:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:45:57,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:45:57,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:45:57,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624341442] [2024-11-09 06:45:57,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624341442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:45:57,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:45:57,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:45:57,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951653723] [2024-11-09 06:45:57,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:45:57,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:45:57,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:45:57,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:45:57,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:45:57,062 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 166 [2024-11-09 06:45:57,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 146 transitions, 298 flow. Second operand has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 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) [2024-11-09 06:45:57,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:45:57,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 166 [2024-11-09 06:45:57,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:45:57,112 INFO L124 PetriNetUnfolderBase]: 3/149 cut-off events. [2024-11-09 06:45:57,112 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:45:57,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 149 events. 3/149 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 86 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 126. Up to 10 conditions per place. [2024-11-09 06:45:57,113 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 9 selfloop transitions, 2 changer transitions 0/145 dead transitions. [2024-11-09 06:45:57,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 145 transitions, 318 flow [2024-11-09 06:45:57,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:45:57,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:45:57,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 450 transitions. [2024-11-09 06:45:57,120 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9036144578313253 [2024-11-09 06:45:57,120 INFO L175 Difference]: Start difference. First operand has 148 places, 146 transitions, 298 flow. Second operand 3 states and 450 transitions. [2024-11-09 06:45:57,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 145 transitions, 318 flow [2024-11-09 06:45:57,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 145 transitions, 317 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:45:57,126 INFO L231 Difference]: Finished difference. Result has 148 places, 145 transitions, 299 flow [2024-11-09 06:45:57,126 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=295, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=299, PETRI_PLACES=148, PETRI_TRANSITIONS=145} [2024-11-09 06:45:57,132 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -13 predicate places. [2024-11-09 06:45:57,133 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 145 transitions, 299 flow [2024-11-09 06:45:57,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 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) [2024-11-09 06:45:57,133 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:45:57,134 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:45:57,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:45:57,136 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 06:45:57,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:45:57,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1580768593, now seen corresponding path program 1 times [2024-11-09 06:45:57,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:45:57,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136629613] [2024-11-09 06:45:57,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:45:57,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:45:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:45:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 06:45:57,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:45:57,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136629613] [2024-11-09 06:45:57,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136629613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:45:57,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:45:57,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:45:57,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377336246] [2024-11-09 06:45:57,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:45:57,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:45:57,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:45:57,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:45:57,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:45:57,391 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 166 [2024-11-09 06:45:57,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 145 transitions, 299 flow. Second operand has 5 states, 5 states have (on average 144.2) internal successors, (721), 5 states have internal predecessors, (721), 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) [2024-11-09 06:45:57,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:45:57,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 166 [2024-11-09 06:45:57,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:45:57,454 INFO L124 PetriNetUnfolderBase]: 2/152 cut-off events. [2024-11-09 06:45:57,455 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:45:57,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 152 events. 2/152 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 88 event pairs, 0 based on Foata normal form. 1/139 useless extension candidates. Maximal degree in co-relation 138. Up to 15 conditions per place. [2024-11-09 06:45:57,456 INFO L140 encePairwiseOnDemand]: 162/166 looper letters, 14 selfloop transitions, 0 changer transitions 4/148 dead transitions. [2024-11-09 06:45:57,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 148 transitions, 341 flow [2024-11-09 06:45:57,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:45:57,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 06:45:57,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 729 transitions. [2024-11-09 06:45:57,460 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8783132530120482 [2024-11-09 06:45:57,461 INFO L175 Difference]: Start difference. First operand has 148 places, 145 transitions, 299 flow. Second operand 5 states and 729 transitions. [2024-11-09 06:45:57,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 148 transitions, 341 flow [2024-11-09 06:45:57,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 148 transitions, 337 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:45:57,464 INFO L231 Difference]: Finished difference. Result has 153 places, 144 transitions, 299 flow [2024-11-09 06:45:57,465 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=295, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=299, PETRI_PLACES=153, PETRI_TRANSITIONS=144} [2024-11-09 06:45:57,465 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -8 predicate places. [2024-11-09 06:45:57,466 INFO L471 AbstractCegarLoop]: Abstraction has has 153 places, 144 transitions, 299 flow [2024-11-09 06:45:57,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 144.2) internal successors, (721), 5 states have internal predecessors, (721), 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) [2024-11-09 06:45:57,468 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:45:57,468 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:45:57,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:45:57,469 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 06:45:57,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:45:57,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1178884539, now seen corresponding path program 1 times [2024-11-09 06:45:57,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:45:57,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131542807] [2024-11-09 06:45:57,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:45:57,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:45:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:45:57,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:45:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:45:57,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 06:45:57,561 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:45:57,563 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 29 remaining) [2024-11-09 06:45:57,565 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (27 of 29 remaining) [2024-11-09 06:45:57,565 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (26 of 29 remaining) [2024-11-09 06:45:57,565 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (25 of 29 remaining) [2024-11-09 06:45:57,565 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (24 of 29 remaining) [2024-11-09 06:45:57,566 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (23 of 29 remaining) [2024-11-09 06:45:57,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (22 of 29 remaining) [2024-11-09 06:45:57,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (21 of 29 remaining) [2024-11-09 06:45:57,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (20 of 29 remaining) [2024-11-09 06:45:57,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (19 of 29 remaining) [2024-11-09 06:45:57,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (18 of 29 remaining) [2024-11-09 06:45:57,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (17 of 29 remaining) [2024-11-09 06:45:57,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (16 of 29 remaining) [2024-11-09 06:45:57,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (15 of 29 remaining) [2024-11-09 06:45:57,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (14 of 29 remaining) [2024-11-09 06:45:57,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (13 of 29 remaining) [2024-11-09 06:45:57,571 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (12 of 29 remaining) [2024-11-09 06:45:57,571 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (11 of 29 remaining) [2024-11-09 06:45:57,571 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (10 of 29 remaining) [2024-11-09 06:45:57,571 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (9 of 29 remaining) [2024-11-09 06:45:57,571 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (8 of 29 remaining) [2024-11-09 06:45:57,571 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (7 of 29 remaining) [2024-11-09 06:45:57,572 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (6 of 29 remaining) [2024-11-09 06:45:57,572 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (5 of 29 remaining) [2024-11-09 06:45:57,574 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (4 of 29 remaining) [2024-11-09 06:45:57,574 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (3 of 29 remaining) [2024-11-09 06:45:57,574 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (2 of 29 remaining) [2024-11-09 06:45:57,574 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (1 of 29 remaining) [2024-11-09 06:45:57,574 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (0 of 29 remaining) [2024-11-09 06:45:57,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:45:57,575 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-09 06:45:57,578 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-09 06:45:57,578 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-09 06:45:57,640 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 06:45:57,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 244 places, 252 transitions, 514 flow [2024-11-09 06:45:57,690 INFO L124 PetriNetUnfolderBase]: 15/276 cut-off events. [2024-11-09 06:45:57,690 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 06:45:57,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 276 events. 15/276 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 512 event pairs, 0 based on Foata normal form. 0/230 useless extension candidates. Maximal degree in co-relation 183. Up to 6 conditions per place. [2024-11-09 06:45:57,696 INFO L82 GeneralOperation]: Start removeDead. Operand has 244 places, 252 transitions, 514 flow [2024-11-09 06:45:57,700 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 244 places, 252 transitions, 514 flow [2024-11-09 06:45:57,703 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:45:57,705 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;@774bbdb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:45:57,706 INFO L334 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2024-11-09 06:45:57,708 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:45:57,709 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-11-09 06:45:57,709 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:45:57,709 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:45:57,709 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] [2024-11-09 06:45:57,709 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-09 06:45:57,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:45:57,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1569155509, now seen corresponding path program 1 times [2024-11-09 06:45:57,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:45:57,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143813780] [2024-11-09 06:45:57,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:45:57,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:45:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:45:57,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:45:57,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:45:57,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143813780] [2024-11-09 06:45:57,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143813780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:45:57,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:45:57,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:45:57,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092003164] [2024-11-09 06:45:57,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:45:57,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:45:57,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:45:57,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:45:57,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:45:57,803 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 252 [2024-11-09 06:45:57,804 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 252 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 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) [2024-11-09 06:45:57,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:45:57,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 252 [2024-11-09 06:45:57,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:45:57,952 INFO L124 PetriNetUnfolderBase]: 61/810 cut-off events. [2024-11-09 06:45:57,953 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-09 06:45:57,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 940 conditions, 810 events. 61/810 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4573 event pairs, 42 based on Foata normal form. 91/768 useless extension candidates. Maximal degree in co-relation 736. Up to 102 conditions per place. [2024-11-09 06:45:57,964 INFO L140 encePairwiseOnDemand]: 240/252 looper letters, 17 selfloop transitions, 2 changer transitions 1/233 dead transitions. [2024-11-09 06:45:57,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 233 transitions, 514 flow [2024-11-09 06:45:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:45:57,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:45:57,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 689 transitions. [2024-11-09 06:45:57,966 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9113756613756614 [2024-11-09 06:45:57,966 INFO L175 Difference]: Start difference. First operand has 244 places, 252 transitions, 514 flow. Second operand 3 states and 689 transitions. [2024-11-09 06:45:57,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 233 transitions, 514 flow [2024-11-09 06:45:57,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 233 transitions, 514 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:45:57,971 INFO L231 Difference]: Finished difference. Result has 235 places, 232 transitions, 478 flow [2024-11-09 06:45:57,971 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=478, PETRI_PLACES=235, PETRI_TRANSITIONS=232} [2024-11-09 06:45:57,973 INFO L277 CegarLoopForPetriNet]: 244 programPoint places, -9 predicate places. [2024-11-09 06:45:57,973 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 232 transitions, 478 flow [2024-11-09 06:45:57,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 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) [2024-11-09 06:45:57,974 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:45:57,974 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] [2024-11-09 06:45:57,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:45:57,974 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-09 06:45:57,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:45:57,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1099319873, now seen corresponding path program 1 times [2024-11-09 06:45:57,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:45:57,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734821472] [2024-11-09 06:45:57,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:45:57,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:45:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:45:58,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:45:58,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:45:58,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734821472] [2024-11-09 06:45:58,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734821472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:45:58,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:45:58,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:45:58,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606626893] [2024-11-09 06:45:58,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:45:58,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:45:58,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:45:58,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:45:58,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:45:58,054 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 252 [2024-11-09 06:45:58,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 232 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 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) [2024-11-09 06:45:58,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:45:58,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 252 [2024-11-09 06:45:58,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:45:58,139 INFO L124 PetriNetUnfolderBase]: 25/553 cut-off events. [2024-11-09 06:45:58,140 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-09 06:45:58,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 614 conditions, 553 events. 25/553 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2463 event pairs, 12 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 580. Up to 39 conditions per place. [2024-11-09 06:45:58,147 INFO L140 encePairwiseOnDemand]: 249/252 looper letters, 14 selfloop transitions, 2 changer transitions 0/231 dead transitions. [2024-11-09 06:45:58,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 231 transitions, 508 flow [2024-11-09 06:45:58,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:45:58,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:45:58,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 686 transitions. [2024-11-09 06:45:58,150 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9074074074074074 [2024-11-09 06:45:58,150 INFO L175 Difference]: Start difference. First operand has 235 places, 232 transitions, 478 flow. Second operand 3 states and 686 transitions. [2024-11-09 06:45:58,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 231 transitions, 508 flow [2024-11-09 06:45:58,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 231 transitions, 504 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:45:58,156 INFO L231 Difference]: Finished difference. Result has 233 places, 231 transitions, 476 flow [2024-11-09 06:45:58,157 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=233, PETRI_TRANSITIONS=231} [2024-11-09 06:45:58,159 INFO L277 CegarLoopForPetriNet]: 244 programPoint places, -11 predicate places. [2024-11-09 06:45:58,159 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 231 transitions, 476 flow [2024-11-09 06:45:58,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 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) [2024-11-09 06:45:58,162 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:45:58,162 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:45:58,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:45:58,162 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-09 06:45:58,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:45:58,163 INFO L85 PathProgramCache]: Analyzing trace with hash 637175472, now seen corresponding path program 1 times [2024-11-09 06:45:58,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:45:58,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604368932] [2024-11-09 06:45:58,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:45:58,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:45:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:45:58,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:45:58,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:45:58,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604368932] [2024-11-09 06:45:58,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604368932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:45:58,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:45:58,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:45:58,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752655173] [2024-11-09 06:45:58,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:45:58,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:45:58,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:45:58,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:45:58,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:45:58,216 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 252 [2024-11-09 06:45:58,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 231 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 220.0) internal successors, (660), 3 states have internal predecessors, (660), 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) [2024-11-09 06:45:58,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:45:58,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 252 [2024-11-09 06:45:58,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:45:58,315 INFO L124 PetriNetUnfolderBase]: 39/750 cut-off events. [2024-11-09 06:45:58,316 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-09 06:45:58,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 831 conditions, 750 events. 39/750 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4164 event pairs, 20 based on Foata normal form. 0/634 useless extension candidates. Maximal degree in co-relation 789. Up to 56 conditions per place. [2024-11-09 06:45:58,324 INFO L140 encePairwiseOnDemand]: 246/252 looper letters, 16 selfloop transitions, 1 changer transitions 0/226 dead transitions. [2024-11-09 06:45:58,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 226 transitions, 500 flow [2024-11-09 06:45:58,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:45:58,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:45:58,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 679 transitions. [2024-11-09 06:45:58,326 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8981481481481481 [2024-11-09 06:45:58,326 INFO L175 Difference]: Start difference. First operand has 233 places, 231 transitions, 476 flow. Second operand 3 states and 679 transitions. [2024-11-09 06:45:58,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 226 transitions, 500 flow [2024-11-09 06:45:58,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 226 transitions, 496 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:45:58,331 INFO L231 Difference]: Finished difference. Result has 228 places, 226 transitions, 464 flow [2024-11-09 06:45:58,331 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=464, PETRI_PLACES=228, PETRI_TRANSITIONS=226} [2024-11-09 06:45:58,332 INFO L277 CegarLoopForPetriNet]: 244 programPoint places, -16 predicate places. [2024-11-09 06:45:58,332 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 226 transitions, 464 flow [2024-11-09 06:45:58,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.0) internal successors, (660), 3 states have internal predecessors, (660), 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) [2024-11-09 06:45:58,333 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:45:58,333 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:45:58,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:45:58,333 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-09 06:45:58,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:45:58,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1559604867, now seen corresponding path program 1 times [2024-11-09 06:45:58,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:45:58,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666779085] [2024-11-09 06:45:58,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:45:58,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:45:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:45:58,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:45:58,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:45:58,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666779085] [2024-11-09 06:45:58,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666779085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:45:58,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:45:58,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:45:58,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997415972] [2024-11-09 06:45:58,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:45:58,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:45:58,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:45:58,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:45:58,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:45:58,422 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 252 [2024-11-09 06:45:58,423 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 226 transitions, 464 flow. Second operand has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 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) [2024-11-09 06:45:58,423 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:45:58,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 252 [2024-11-09 06:45:58,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:45:58,543 INFO L124 PetriNetUnfolderBase]: 47/709 cut-off events. [2024-11-09 06:45:58,544 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-09 06:45:58,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 812 conditions, 709 events. 47/709 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3547 event pairs, 30 based on Foata normal form. 0/601 useless extension candidates. Maximal degree in co-relation 770. Up to 76 conditions per place. [2024-11-09 06:45:58,552 INFO L140 encePairwiseOnDemand]: 249/252 looper letters, 15 selfloop transitions, 2 changer transitions 0/225 dead transitions. [2024-11-09 06:45:58,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 225 transitions, 496 flow [2024-11-09 06:45:58,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:45:58,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:45:58,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 684 transitions. [2024-11-09 06:45:58,555 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9047619047619048 [2024-11-09 06:45:58,555 INFO L175 Difference]: Start difference. First operand has 228 places, 226 transitions, 464 flow. Second operand 3 states and 684 transitions. [2024-11-09 06:45:58,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 225 transitions, 496 flow [2024-11-09 06:45:58,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 225 transitions, 495 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:45:58,559 INFO L231 Difference]: Finished difference. Result has 228 places, 225 transitions, 465 flow [2024-11-09 06:45:58,560 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=465, PETRI_PLACES=228, PETRI_TRANSITIONS=225} [2024-11-09 06:45:58,561 INFO L277 CegarLoopForPetriNet]: 244 programPoint places, -16 predicate places. [2024-11-09 06:45:58,561 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 225 transitions, 465 flow [2024-11-09 06:45:58,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 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) [2024-11-09 06:45:58,562 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:45:58,562 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:45:58,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:45:58,562 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-09 06:45:58,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:45:58,563 INFO L85 PathProgramCache]: Analyzing trace with hash 10352380, now seen corresponding path program 1 times [2024-11-09 06:45:58,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:45:58,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298795709] [2024-11-09 06:45:58,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:45:58,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:45:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:45:58,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:45:58,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:45:58,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298795709] [2024-11-09 06:45:58,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298795709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:45:58,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:45:58,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:45:58,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609020400] [2024-11-09 06:45:58,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:45:58,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:45:58,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:45:58,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:45:58,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:45:58,676 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 252 [2024-11-09 06:45:58,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 225 transitions, 465 flow. Second operand has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 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) [2024-11-09 06:45:58,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:45:58,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 252 [2024-11-09 06:45:58,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:45:59,000 INFO L124 PetriNetUnfolderBase]: 164/2096 cut-off events. [2024-11-09 06:45:59,002 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-09 06:45:59,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2426 conditions, 2096 events. 164/2096 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 17325 event pairs, 57 based on Foata normal form. 0/1792 useless extension candidates. Maximal degree in co-relation 2384. Up to 204 conditions per place. [2024-11-09 06:45:59,021 INFO L140 encePairwiseOnDemand]: 232/252 looper letters, 32 selfloop transitions, 14 changer transitions 0/244 dead transitions. [2024-11-09 06:45:59,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 244 transitions, 600 flow [2024-11-09 06:45:59,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:45:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:45:59,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 694 transitions. [2024-11-09 06:45:59,024 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.917989417989418 [2024-11-09 06:45:59,024 INFO L175 Difference]: Start difference. First operand has 228 places, 225 transitions, 465 flow. Second operand 3 states and 694 transitions. [2024-11-09 06:45:59,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 244 transitions, 600 flow [2024-11-09 06:45:59,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 244 transitions, 596 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:45:59,030 INFO L231 Difference]: Finished difference. Result has 230 places, 239 transitions, 585 flow [2024-11-09 06:45:59,031 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=585, PETRI_PLACES=230, PETRI_TRANSITIONS=239} [2024-11-09 06:45:59,032 INFO L277 CegarLoopForPetriNet]: 244 programPoint places, -14 predicate places. [2024-11-09 06:45:59,032 INFO L471 AbstractCegarLoop]: Abstraction has has 230 places, 239 transitions, 585 flow [2024-11-09 06:45:59,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 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) [2024-11-09 06:45:59,033 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:45:59,033 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:45:59,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 06:45:59,033 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-09 06:45:59,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:45:59,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1324832269, now seen corresponding path program 1 times [2024-11-09 06:45:59,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:45:59,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560450294] [2024-11-09 06:45:59,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:45:59,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:45:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:45:59,155 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-09 06:45:59,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:45:59,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560450294] [2024-11-09 06:45:59,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560450294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:45:59,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:45:59,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:45:59,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783414397] [2024-11-09 06:45:59,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:45:59,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:45:59,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:45:59,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:45:59,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:45:59,186 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 252 [2024-11-09 06:45:59,188 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 239 transitions, 585 flow. Second operand has 5 states, 5 states have (on average 223.4) internal successors, (1117), 5 states have internal predecessors, (1117), 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) [2024-11-09 06:45:59,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:45:59,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 252 [2024-11-09 06:45:59,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:45:59,485 INFO L124 PetriNetUnfolderBase]: 99/1993 cut-off events. [2024-11-09 06:45:59,486 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-11-09 06:45:59,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2266 conditions, 1993 events. 99/1993 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 16303 event pairs, 41 based on Foata normal form. 1/1705 useless extension candidates. Maximal degree in co-relation 2223. Up to 120 conditions per place. [2024-11-09 06:45:59,499 INFO L140 encePairwiseOnDemand]: 248/252 looper letters, 17 selfloop transitions, 0 changer transitions 4/242 dead transitions. [2024-11-09 06:45:59,500 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 242 transitions, 633 flow [2024-11-09 06:45:59,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:45:59,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 06:45:59,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1127 transitions. [2024-11-09 06:45:59,503 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8944444444444445 [2024-11-09 06:45:59,503 INFO L175 Difference]: Start difference. First operand has 230 places, 239 transitions, 585 flow. Second operand 5 states and 1127 transitions. [2024-11-09 06:45:59,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 242 transitions, 633 flow [2024-11-09 06:45:59,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 242 transitions, 605 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:45:59,510 INFO L231 Difference]: Finished difference. Result has 235 places, 238 transitions, 561 flow [2024-11-09 06:45:59,510 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=557, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=561, PETRI_PLACES=235, PETRI_TRANSITIONS=238} [2024-11-09 06:45:59,510 INFO L277 CegarLoopForPetriNet]: 244 programPoint places, -9 predicate places. [2024-11-09 06:45:59,511 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 238 transitions, 561 flow [2024-11-09 06:45:59,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 223.4) internal successors, (1117), 5 states have internal predecessors, (1117), 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) [2024-11-09 06:45:59,512 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:45:59,512 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:45:59,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 06:45:59,512 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-09 06:45:59,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:45:59,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1086016417, now seen corresponding path program 1 times [2024-11-09 06:45:59,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:45:59,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146758211] [2024-11-09 06:45:59,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:45:59,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:45:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:45:59,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:45:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:45:59,558 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 06:45:59,558 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:45:59,558 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 40 remaining) [2024-11-09 06:45:59,559 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2024-11-09 06:45:59,559 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2024-11-09 06:45:59,559 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2024-11-09 06:45:59,559 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2024-11-09 06:45:59,559 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2024-11-09 06:45:59,560 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2024-11-09 06:45:59,560 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2024-11-09 06:45:59,560 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2024-11-09 06:45:59,560 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2024-11-09 06:45:59,560 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2024-11-09 06:45:59,560 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2024-11-09 06:45:59,560 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2024-11-09 06:45:59,560 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2024-11-09 06:45:59,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2024-11-09 06:45:59,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2024-11-09 06:45:59,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2024-11-09 06:45:59,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2024-11-09 06:45:59,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2024-11-09 06:45:59,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2024-11-09 06:45:59,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2024-11-09 06:45:59,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2024-11-09 06:45:59,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2024-11-09 06:45:59,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (16 of 40 remaining) [2024-11-09 06:45:59,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (15 of 40 remaining) [2024-11-09 06:45:59,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (14 of 40 remaining) [2024-11-09 06:45:59,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2024-11-09 06:45:59,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2024-11-09 06:45:59,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2024-11-09 06:45:59,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2024-11-09 06:45:59,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2024-11-09 06:45:59,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2024-11-09 06:45:59,564 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2024-11-09 06:45:59,564 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2024-11-09 06:45:59,564 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2024-11-09 06:45:59,564 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2024-11-09 06:45:59,565 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2024-11-09 06:45:59,565 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2024-11-09 06:45:59,565 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2024-11-09 06:45:59,565 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2024-11-09 06:45:59,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 06:45:59,565 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:45:59,566 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-09 06:45:59,566 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-09 06:45:59,619 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 06:45:59,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 327 places, 338 transitions, 694 flow [2024-11-09 06:45:59,676 INFO L124 PetriNetUnfolderBase]: 21/375 cut-off events. [2024-11-09 06:45:59,676 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-09 06:45:59,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 375 events. 21/375 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1016 event pairs, 0 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 280. Up to 8 conditions per place. [2024-11-09 06:45:59,680 INFO L82 GeneralOperation]: Start removeDead. Operand has 327 places, 338 transitions, 694 flow [2024-11-09 06:45:59,685 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 327 places, 338 transitions, 694 flow [2024-11-09 06:45:59,686 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:45:59,686 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;@774bbdb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:45:59,687 INFO L334 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2024-11-09 06:45:59,688 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:45:59,689 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-11-09 06:45:59,689 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:45:59,689 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:45:59,689 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] [2024-11-09 06:45:59,689 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-09 06:45:59,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:45:59,689 INFO L85 PathProgramCache]: Analyzing trace with hash 773320711, now seen corresponding path program 1 times [2024-11-09 06:45:59,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:45:59,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831240496] [2024-11-09 06:45:59,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:45:59,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:45:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:45:59,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:45:59,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:45:59,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831240496] [2024-11-09 06:45:59,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831240496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:45:59,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:45:59,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:45:59,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690010100] [2024-11-09 06:45:59,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:45:59,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:45:59,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:45:59,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:45:59,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:45:59,785 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 338 [2024-11-09 06:45:59,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 338 transitions, 694 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2024-11-09 06:45:59,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:45:59,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 338 [2024-11-09 06:45:59,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:46:00,777 INFO L124 PetriNetUnfolderBase]: 763/5685 cut-off events. [2024-11-09 06:46:00,778 INFO L125 PetriNetUnfolderBase]: For 319/319 co-relation queries the response was YES. [2024-11-09 06:46:00,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6943 conditions, 5685 events. 763/5685 cut-off events. For 319/319 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 60119 event pairs, 630 based on Foata normal form. 701/5455 useless extension candidates. Maximal degree in co-relation 5718. Up to 1033 conditions per place. [2024-11-09 06:46:00,851 INFO L140 encePairwiseOnDemand]: 323/338 looper letters, 24 selfloop transitions, 2 changer transitions 1/314 dead transitions. [2024-11-09 06:46:00,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 314 transitions, 698 flow [2024-11-09 06:46:00,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:46:00,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:46:00,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 924 transitions. [2024-11-09 06:46:00,855 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9112426035502958 [2024-11-09 06:46:00,855 INFO L175 Difference]: Start difference. First operand has 327 places, 338 transitions, 694 flow. Second operand 3 states and 924 transitions. [2024-11-09 06:46:00,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 314 transitions, 698 flow [2024-11-09 06:46:00,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 314 transitions, 696 flow, removed 1 selfloop flow, removed 0 redundant places. [2024-11-09 06:46:00,862 INFO L231 Difference]: Finished difference. Result has 316 places, 313 transitions, 646 flow [2024-11-09 06:46:00,863 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=646, PETRI_PLACES=316, PETRI_TRANSITIONS=313} [2024-11-09 06:46:00,865 INFO L277 CegarLoopForPetriNet]: 327 programPoint places, -11 predicate places. [2024-11-09 06:46:00,865 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 313 transitions, 646 flow [2024-11-09 06:46:00,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2024-11-09 06:46:00,866 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:46:00,867 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] [2024-11-09 06:46:00,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 06:46:00,867 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-09 06:46:00,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:46:00,868 INFO L85 PathProgramCache]: Analyzing trace with hash -24285631, now seen corresponding path program 1 times [2024-11-09 06:46:00,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:46:00,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188103492] [2024-11-09 06:46:00,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:46:00,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:46:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:46:00,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:46:00,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:46:00,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188103492] [2024-11-09 06:46:00,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188103492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:46:00,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:46:00,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:46:00,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201440968] [2024-11-09 06:46:00,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:46:00,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:46:00,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:46:00,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:46:00,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:46:00,938 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 338 [2024-11-09 06:46:00,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 313 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 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) [2024-11-09 06:46:00,941 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:46:00,941 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 338 [2024-11-09 06:46:00,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:46:01,376 INFO L124 PetriNetUnfolderBase]: 163/2236 cut-off events. [2024-11-09 06:46:01,377 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2024-11-09 06:46:01,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2506 conditions, 2236 events. 163/2236 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 18949 event pairs, 108 based on Foata normal form. 0/1853 useless extension candidates. Maximal degree in co-relation 2471. Up to 199 conditions per place. [2024-11-09 06:46:01,398 INFO L140 encePairwiseOnDemand]: 335/338 looper letters, 18 selfloop transitions, 2 changer transitions 0/312 dead transitions. [2024-11-09 06:46:01,398 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 312 transitions, 684 flow [2024-11-09 06:46:01,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:46:01,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:46:01,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 924 transitions. [2024-11-09 06:46:01,401 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9112426035502958 [2024-11-09 06:46:01,401 INFO L175 Difference]: Start difference. First operand has 316 places, 313 transitions, 646 flow. Second operand 3 states and 924 transitions. [2024-11-09 06:46:01,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 312 transitions, 684 flow [2024-11-09 06:46:01,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 312 transitions, 680 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:46:01,408 INFO L231 Difference]: Finished difference. Result has 314 places, 312 transitions, 644 flow [2024-11-09 06:46:01,409 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=644, PETRI_PLACES=314, PETRI_TRANSITIONS=312} [2024-11-09 06:46:01,409 INFO L277 CegarLoopForPetriNet]: 327 programPoint places, -13 predicate places. [2024-11-09 06:46:01,409 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 312 transitions, 644 flow [2024-11-09 06:46:01,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 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) [2024-11-09 06:46:01,410 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:46:01,410 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:46:01,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 06:46:01,411 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-09 06:46:01,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:46:01,411 INFO L85 PathProgramCache]: Analyzing trace with hash 57569072, now seen corresponding path program 1 times [2024-11-09 06:46:01,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:46:01,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318608942] [2024-11-09 06:46:01,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:46:01,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:46:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:46:01,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:46:01,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:46:01,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318608942] [2024-11-09 06:46:01,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318608942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:46:01,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:46:01,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:46:01,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802238583] [2024-11-09 06:46:01,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:46:01,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:46:01,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:46:01,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:46:01,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:46:01,469 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 338 [2024-11-09 06:46:01,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 312 transitions, 644 flow. Second operand has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 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) [2024-11-09 06:46:01,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:46:01,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 338 [2024-11-09 06:46:01,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:46:02,001 INFO L124 PetriNetUnfolderBase]: 325/4000 cut-off events. [2024-11-09 06:46:02,002 INFO L125 PetriNetUnfolderBase]: For 95/95 co-relation queries the response was YES. [2024-11-09 06:46:02,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4482 conditions, 4000 events. 325/4000 cut-off events. For 95/95 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 40765 event pairs, 220 based on Foata normal form. 0/3343 useless extension candidates. Maximal degree in co-relation 4439. Up to 381 conditions per place. [2024-11-09 06:46:02,044 INFO L140 encePairwiseOnDemand]: 331/338 looper letters, 21 selfloop transitions, 1 changer transitions 0/306 dead transitions. [2024-11-09 06:46:02,045 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 306 transitions, 676 flow [2024-11-09 06:46:02,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:46:02,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:46:02,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 913 transitions. [2024-11-09 06:46:02,047 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9003944773175543 [2024-11-09 06:46:02,048 INFO L175 Difference]: Start difference. First operand has 314 places, 312 transitions, 644 flow. Second operand 3 states and 913 transitions. [2024-11-09 06:46:02,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 306 transitions, 676 flow [2024-11-09 06:46:02,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 306 transitions, 672 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:46:02,053 INFO L231 Difference]: Finished difference. Result has 308 places, 306 transitions, 630 flow [2024-11-09 06:46:02,054 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=630, PETRI_PLACES=308, PETRI_TRANSITIONS=306} [2024-11-09 06:46:02,054 INFO L277 CegarLoopForPetriNet]: 327 programPoint places, -19 predicate places. [2024-11-09 06:46:02,055 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 306 transitions, 630 flow [2024-11-09 06:46:02,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 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) [2024-11-09 06:46:02,055 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:46:02,056 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:46:02,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 06:46:02,056 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-09 06:46:02,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:46:02,057 INFO L85 PathProgramCache]: Analyzing trace with hash 767437059, now seen corresponding path program 1 times [2024-11-09 06:46:02,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:46:02,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822789520] [2024-11-09 06:46:02,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:46:02,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:46:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:46:02,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:46:02,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:46:02,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822789520] [2024-11-09 06:46:02,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822789520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:46:02,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:46:02,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:46:02,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562596221] [2024-11-09 06:46:02,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:46:02,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:46:02,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:46:02,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:46:02,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:46:02,145 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 338 [2024-11-09 06:46:02,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 306 transitions, 630 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2024-11-09 06:46:02,146 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:46:02,146 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 338 [2024-11-09 06:46:02,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:46:02,769 INFO L124 PetriNetUnfolderBase]: 493/4263 cut-off events. [2024-11-09 06:46:02,769 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES. [2024-11-09 06:46:02,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5051 conditions, 4263 events. 493/4263 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 40930 event pairs, 390 based on Foata normal form. 0/3578 useless extension candidates. Maximal degree in co-relation 5008. Up to 652 conditions per place. [2024-11-09 06:46:02,812 INFO L140 encePairwiseOnDemand]: 335/338 looper letters, 21 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2024-11-09 06:46:02,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 305 transitions, 674 flow [2024-11-09 06:46:02,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:46:02,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:46:02,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 918 transitions. [2024-11-09 06:46:02,815 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9053254437869822 [2024-11-09 06:46:02,815 INFO L175 Difference]: Start difference. First operand has 308 places, 306 transitions, 630 flow. Second operand 3 states and 918 transitions. [2024-11-09 06:46:02,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 305 transitions, 674 flow [2024-11-09 06:46:02,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 305 transitions, 673 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:46:02,822 INFO L231 Difference]: Finished difference. Result has 308 places, 305 transitions, 631 flow [2024-11-09 06:46:02,822 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=631, PETRI_PLACES=308, PETRI_TRANSITIONS=305} [2024-11-09 06:46:02,823 INFO L277 CegarLoopForPetriNet]: 327 programPoint places, -19 predicate places. [2024-11-09 06:46:02,823 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 305 transitions, 631 flow [2024-11-09 06:46:02,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2024-11-09 06:46:02,824 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:46:02,824 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] [2024-11-09 06:46:02,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 06:46:02,824 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-09 06:46:02,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:46:02,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1159103246, now seen corresponding path program 1 times [2024-11-09 06:46:02,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:46:02,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138979799] [2024-11-09 06:46:02,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:46:02,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:46:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:46:02,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:46:02,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:46:02,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138979799] [2024-11-09 06:46:02,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138979799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:46:02,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:46:02,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:46:02,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241484579] [2024-11-09 06:46:02,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:46:02,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:46:02,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:46:02,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:46:02,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:46:02,919 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 338 [2024-11-09 06:46:02,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 305 transitions, 631 flow. Second operand has 3 states, 3 states have (on average 284.6666666666667) internal successors, (854), 3 states have internal predecessors, (854), 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) [2024-11-09 06:46:02,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:46:02,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 338 [2024-11-09 06:46:02,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:46:06,972 INFO L124 PetriNetUnfolderBase]: 4201/31332 cut-off events. [2024-11-09 06:46:06,973 INFO L125 PetriNetUnfolderBase]: For 466/466 co-relation queries the response was YES. [2024-11-09 06:46:07,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37791 conditions, 31332 events. 4201/31332 cut-off events. For 466/466 co-relation queries the response was YES. Maximal size of possible extension queue 732. Compared 462096 event pairs, 1667 based on Foata normal form. 0/26532 useless extension candidates. Maximal degree in co-relation 37748. Up to 4132 conditions per place. [2024-11-09 06:46:07,274 INFO L140 encePairwiseOnDemand]: 308/338 looper letters, 48 selfloop transitions, 21 changer transitions 0/334 dead transitions. [2024-11-09 06:46:07,275 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 334 transitions, 837 flow [2024-11-09 06:46:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:46:07,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:46:07,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 927 transitions. [2024-11-09 06:46:07,278 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9142011834319527 [2024-11-09 06:46:07,278 INFO L175 Difference]: Start difference. First operand has 308 places, 305 transitions, 631 flow. Second operand 3 states and 927 transitions. [2024-11-09 06:46:07,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 334 transitions, 837 flow [2024-11-09 06:46:07,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 334 transitions, 833 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:46:07,285 INFO L231 Difference]: Finished difference. Result has 310 places, 326 transitions, 813 flow [2024-11-09 06:46:07,285 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=813, PETRI_PLACES=310, PETRI_TRANSITIONS=326} [2024-11-09 06:46:07,286 INFO L277 CegarLoopForPetriNet]: 327 programPoint places, -17 predicate places. [2024-11-09 06:46:07,287 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 326 transitions, 813 flow [2024-11-09 06:46:07,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 284.6666666666667) internal successors, (854), 3 states have internal predecessors, (854), 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) [2024-11-09 06:46:07,287 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:46:07,287 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:46:07,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 06:46:07,288 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-09 06:46:07,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:46:07,288 INFO L85 PathProgramCache]: Analyzing trace with hash 16886909, now seen corresponding path program 1 times [2024-11-09 06:46:07,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:46:07,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906318341] [2024-11-09 06:46:07,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:46:07,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:46:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:46:07,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:46:07,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:46:07,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906318341] [2024-11-09 06:46:07,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906318341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:46:07,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:46:07,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:46:07,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228207014] [2024-11-09 06:46:07,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:46:07,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:46:07,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:46:07,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:46:07,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:46:07,447 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 338 [2024-11-09 06:46:07,448 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 326 transitions, 813 flow. Second operand has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 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) [2024-11-09 06:46:07,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:46:07,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 338 [2024-11-09 06:46:07,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:46:09,006 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1156] L1041-6-->L1045-2: Formula: (and (= |v_#pthreadsMutex_9| (store |v_#pthreadsMutex_10| |v_~#lock~0.base_11| (store (select |v_#pthreadsMutex_10| |v_~#lock~0.base_11|) |v_~#lock~0.offset_11| 0))) (= |v_thrThread2of3ForFork0_#t~ret6#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_10|, ~#lock~0.offset=|v_~#lock~0.offset_11|, ~#lock~0.base=|v_~#lock~0.base_11|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_9|, ~#lock~0.offset=|v_~#lock~0.offset_11|, ~#lock~0.base=|v_~#lock~0.base_11|, thrThread2of3ForFork0_#t~ret6#1=|v_thrThread2of3ForFork0_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thrThread2of3ForFork0_#t~ret6#1][119], [326#true, 338#(= |#race~len~0| 0), 324#true, 347#true, 110#L1043-3true, Black: 342#true, 328#true, 344#(= |#race~next~0| 0), 155#L1045-2true, 270#L1045-2true, 92#L1061-4true]) [2024-11-09 06:46:09,006 INFO L294 olderBase$Statistics]: this new event has 128 ancestors and is cut-off event [2024-11-09 06:46:09,006 INFO L297 olderBase$Statistics]: existing Event has 117 ancestors and is cut-off event [2024-11-09 06:46:09,006 INFO L297 olderBase$Statistics]: existing Event has 128 ancestors and is cut-off event [2024-11-09 06:46:09,006 INFO L297 olderBase$Statistics]: existing Event has 128 ancestors and is cut-off event [2024-11-09 06:46:10,413 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1156] L1041-6-->L1045-2: Formula: (and (= |v_#pthreadsMutex_9| (store |v_#pthreadsMutex_10| |v_~#lock~0.base_11| (store (select |v_#pthreadsMutex_10| |v_~#lock~0.base_11|) |v_~#lock~0.offset_11| 0))) (= |v_thrThread2of3ForFork0_#t~ret6#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_10|, ~#lock~0.offset=|v_~#lock~0.offset_11|, ~#lock~0.base=|v_~#lock~0.base_11|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_9|, ~#lock~0.offset=|v_~#lock~0.offset_11|, ~#lock~0.base=|v_~#lock~0.base_11|, thrThread2of3ForFork0_#t~ret6#1=|v_thrThread2of3ForFork0_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thrThread2of3ForFork0_#t~ret6#1][119], [326#true, 338#(= |#race~len~0| 0), 324#true, 347#true, 110#L1043-3true, Black: 344#(= |#race~next~0| 0), 328#true, 155#L1045-2true, 270#L1045-2true, 92#L1061-4true, 342#true]) [2024-11-09 06:46:10,414 INFO L294 olderBase$Statistics]: this new event has 139 ancestors and is cut-off event [2024-11-09 06:46:10,414 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2024-11-09 06:46:10,414 INFO L297 olderBase$Statistics]: existing Event has 128 ancestors and is cut-off event [2024-11-09 06:46:10,414 INFO L297 olderBase$Statistics]: existing Event has 128 ancestors and is cut-off event [2024-11-09 06:46:10,431 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1156] L1041-6-->L1045-2: Formula: (and (= |v_#pthreadsMutex_9| (store |v_#pthreadsMutex_10| |v_~#lock~0.base_11| (store (select |v_#pthreadsMutex_10| |v_~#lock~0.base_11|) |v_~#lock~0.offset_11| 0))) (= |v_thrThread2of3ForFork0_#t~ret6#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_10|, ~#lock~0.offset=|v_~#lock~0.offset_11|, ~#lock~0.base=|v_~#lock~0.base_11|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_9|, ~#lock~0.offset=|v_~#lock~0.offset_11|, ~#lock~0.base=|v_~#lock~0.base_11|, thrThread2of3ForFork0_#t~ret6#1=|v_thrThread2of3ForFork0_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thrThread2of3ForFork0_#t~ret6#1][119], [326#true, 338#(= |#race~len~0| 0), 324#true, 347#true, Black: 344#(= |#race~next~0| 0), 328#true, 284#L1043-1true, 155#L1045-2true, 270#L1045-2true, 92#L1061-4true, 342#true]) [2024-11-09 06:46:10,431 INFO L294 olderBase$Statistics]: this new event has 137 ancestors and is cut-off event [2024-11-09 06:46:10,431 INFO L297 olderBase$Statistics]: existing Event has 126 ancestors and is cut-off event [2024-11-09 06:46:10,431 INFO L297 olderBase$Statistics]: existing Event has 126 ancestors and is cut-off event [2024-11-09 06:46:10,431 INFO L297 olderBase$Statistics]: existing Event has 137 ancestors and is cut-off event [2024-11-09 06:46:10,511 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([1156] L1041-6-->L1045-2: Formula: (and (= |v_#pthreadsMutex_9| (store |v_#pthreadsMutex_10| |v_~#lock~0.base_11| (store (select |v_#pthreadsMutex_10| |v_~#lock~0.base_11|) |v_~#lock~0.offset_11| 0))) (= |v_thrThread2of3ForFork0_#t~ret6#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_10|, ~#lock~0.offset=|v_~#lock~0.offset_11|, ~#lock~0.base=|v_~#lock~0.base_11|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_9|, ~#lock~0.offset=|v_~#lock~0.offset_11|, ~#lock~0.base=|v_~#lock~0.base_11|, thrThread2of3ForFork0_#t~ret6#1=|v_thrThread2of3ForFork0_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thrThread2of3ForFork0_#t~ret6#1][119], [326#true, 338#(= |#race~len~0| 0), 324#true, 347#true, 110#L1043-3true, Black: 344#(= |#race~next~0| 0), 328#true, 155#L1045-2true, 270#L1045-2true, 92#L1061-4true, 342#true]) [2024-11-09 06:46:10,511 INFO L294 olderBase$Statistics]: this new event has 139 ancestors and is cut-off event [2024-11-09 06:46:10,512 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2024-11-09 06:46:10,512 INFO L297 olderBase$Statistics]: existing Event has 128 ancestors and is cut-off event [2024-11-09 06:46:10,512 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2024-11-09 06:46:10,512 INFO L297 olderBase$Statistics]: existing Event has 128 ancestors and is cut-off event [2024-11-09 06:46:10,512 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1156] L1041-6-->L1045-2: Formula: (and (= |v_#pthreadsMutex_9| (store |v_#pthreadsMutex_10| |v_~#lock~0.base_11| (store (select |v_#pthreadsMutex_10| |v_~#lock~0.base_11|) |v_~#lock~0.offset_11| 0))) (= |v_thrThread2of3ForFork0_#t~ret6#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_10|, ~#lock~0.offset=|v_~#lock~0.offset_11|, ~#lock~0.base=|v_~#lock~0.base_11|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_9|, ~#lock~0.offset=|v_~#lock~0.offset_11|, ~#lock~0.base=|v_~#lock~0.base_11|, thrThread2of3ForFork0_#t~ret6#1=|v_thrThread2of3ForFork0_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thrThread2of3ForFork0_#t~ret6#1][119], [326#true, 338#(= |#race~len~0| 0), 324#true, 347#true, Black: 344#(= |#race~next~0| 0), 328#true, 155#L1045-2true, 216#L1043-2true, 270#L1045-2true, 92#L1061-4true, 342#true]) [2024-11-09 06:46:10,512 INFO L294 olderBase$Statistics]: this new event has 138 ancestors and is cut-off event [2024-11-09 06:46:10,512 INFO L297 olderBase$Statistics]: existing Event has 127 ancestors and is cut-off event [2024-11-09 06:46:10,512 INFO L297 olderBase$Statistics]: existing Event has 127 ancestors and is cut-off event [2024-11-09 06:46:10,512 INFO L297 olderBase$Statistics]: existing Event has 138 ancestors and is cut-off event [2024-11-09 06:46:12,032 INFO L124 PetriNetUnfolderBase]: 3431/36137 cut-off events. [2024-11-09 06:46:12,032 INFO L125 PetriNetUnfolderBase]: For 1029/1059 co-relation queries the response was YES. [2024-11-09 06:46:12,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43394 conditions, 36137 events. 3431/36137 cut-off events. For 1029/1059 co-relation queries the response was YES. Maximal size of possible extension queue 784. Compared 561709 event pairs, 1656 based on Foata normal form. 59/30940 useless extension candidates. Maximal degree in co-relation 43351. Up to 3075 conditions per place. [2024-11-09 06:46:12,378 INFO L140 encePairwiseOnDemand]: 334/338 looper letters, 27 selfloop transitions, 3 changer transitions 0/339 dead transitions. [2024-11-09 06:46:12,378 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 339 transitions, 919 flow [2024-11-09 06:46:12,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:46:12,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 06:46:12,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1255 transitions. [2024-11-09 06:46:12,383 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9282544378698225 [2024-11-09 06:46:12,383 INFO L175 Difference]: Start difference. First operand has 310 places, 326 transitions, 813 flow. Second operand 4 states and 1255 transitions. [2024-11-09 06:46:12,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 339 transitions, 919 flow [2024-11-09 06:46:12,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 339 transitions, 877 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:46:12,412 INFO L231 Difference]: Finished difference. Result has 312 places, 326 transitions, 781 flow [2024-11-09 06:46:12,413 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=326, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=781, PETRI_PLACES=312, PETRI_TRANSITIONS=326} [2024-11-09 06:46:12,413 INFO L277 CegarLoopForPetriNet]: 327 programPoint places, -15 predicate places. [2024-11-09 06:46:12,413 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 326 transitions, 781 flow [2024-11-09 06:46:12,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 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) [2024-11-09 06:46:12,414 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:46:12,414 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:46:12,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 06:46:12,415 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-09 06:46:12,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:46:12,415 INFO L85 PathProgramCache]: Analyzing trace with hash -201069650, now seen corresponding path program 1 times [2024-11-09 06:46:12,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:46:12,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357292583] [2024-11-09 06:46:12,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:46:12,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:46:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:46:12,502 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 06:46:12,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:46:12,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357292583] [2024-11-09 06:46:12,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357292583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:46:12,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:46:12,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:46:12,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402950403] [2024-11-09 06:46:12,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:46:12,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:46:12,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:46:12,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:46:12,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:46:12,524 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 338 [2024-11-09 06:46:12,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 326 transitions, 781 flow. Second operand has 5 states, 5 states have (on average 302.6) internal successors, (1513), 5 states have internal predecessors, (1513), 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) [2024-11-09 06:46:12,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:46:12,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 338 [2024-11-09 06:46:12,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:46:14,360 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1071] L1041-6-->L1045-2: Formula: (and (= |v_thrThread3of3ForFork0_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_9| (store |v_#pthreadsMutex_10| |v_~#lock~0.base_11| (store (select |v_#pthreadsMutex_10| |v_~#lock~0.base_11|) |v_~#lock~0.offset_11| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_10|, ~#lock~0.offset=|v_~#lock~0.offset_11|, ~#lock~0.base=|v_~#lock~0.base_11|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_9|, ~#lock~0.offset=|v_~#lock~0.offset_11|, ~#lock~0.base=|v_~#lock~0.base_11|, thrThread3of3ForFork0_#t~ret6#1=|v_thrThread3of3ForFork0_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thrThread3of3ForFork0_#t~ret6#1][148], [326#true, 338#(= |#race~len~0| 0), 324#true, 347#true, 328#true, 352#true, Black: 342#true, 290#L1043-6true, 155#L1045-2true, 92#L1061-4true, 270#L1045-2true, Black: 350#(and (= |thrThread1of3ForFork0_~end~0#1| 0) (= |thrThread1of3ForFork0_~c~0#1| 0))]) [2024-11-09 06:46:14,360 INFO L294 olderBase$Statistics]: this new event has 134 ancestors and is cut-off event [2024-11-09 06:46:14,360 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2024-11-09 06:46:14,360 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2024-11-09 06:46:14,360 INFO L297 olderBase$Statistics]: existing Event has 123 ancestors and is cut-off event [2024-11-09 06:46:14,418 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1156] L1041-6-->L1045-2: Formula: (and (= |v_#pthreadsMutex_9| (store |v_#pthreadsMutex_10| |v_~#lock~0.base_11| (store (select |v_#pthreadsMutex_10| |v_~#lock~0.base_11|) |v_~#lock~0.offset_11| 0))) (= |v_thrThread2of3ForFork0_#t~ret6#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_10|, ~#lock~0.offset=|v_~#lock~0.offset_11|, ~#lock~0.base=|v_~#lock~0.base_11|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_9|, ~#lock~0.offset=|v_~#lock~0.offset_11|, ~#lock~0.base=|v_~#lock~0.base_11|, thrThread2of3ForFork0_#t~ret6#1=|v_thrThread2of3ForFork0_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thrThread2of3ForFork0_#t~ret6#1][115], [326#true, 350#(and (= |thrThread1of3ForFork0_~end~0#1| 0) (= |thrThread1of3ForFork0_~c~0#1| 0)), 338#(= |#race~len~0| 0), 324#true, 241#L1045-2true, Black: 344#(= |#race~next~0| 0), 352#true, 328#true, 155#L1045-2true, 270#L1045-2true, 92#L1061-4true]) [2024-11-09 06:46:14,418 INFO L294 olderBase$Statistics]: this new event has 137 ancestors and is cut-off event [2024-11-09 06:46:14,418 INFO L297 olderBase$Statistics]: existing Event has 126 ancestors and is cut-off event [2024-11-09 06:46:14,419 INFO L297 olderBase$Statistics]: existing Event has 126 ancestors and is cut-off event [2024-11-09 06:46:14,419 INFO L297 olderBase$Statistics]: existing Event has 126 ancestors and is cut-off event [2024-11-09 06:46:15,776 INFO L124 PetriNetUnfolderBase]: 2233/24093 cut-off events. [2024-11-09 06:46:15,777 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES. [2024-11-09 06:46:15,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28138 conditions, 24093 events. 2233/24093 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 569. Compared 353759 event pairs, 1151 based on Foata normal form. 1/20432 useless extension candidates. Maximal degree in co-relation 28093. Up to 2300 conditions per place. [2024-11-09 06:46:15,980 INFO L140 encePairwiseOnDemand]: 334/338 looper letters, 20 selfloop transitions, 0 changer transitions 4/329 dead transitions. [2024-11-09 06:46:15,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 329 transitions, 835 flow [2024-11-09 06:46:15,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:46:15,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 06:46:15,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1525 transitions. [2024-11-09 06:46:15,985 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9023668639053254 [2024-11-09 06:46:15,985 INFO L175 Difference]: Start difference. First operand has 312 places, 326 transitions, 781 flow. Second operand 5 states and 1525 transitions. [2024-11-09 06:46:15,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 329 transitions, 835 flow [2024-11-09 06:46:15,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 329 transitions, 829 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-09 06:46:15,991 INFO L231 Difference]: Finished difference. Result has 316 places, 325 transitions, 779 flow [2024-11-09 06:46:15,992 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=775, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=326, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=779, PETRI_PLACES=316, PETRI_TRANSITIONS=325} [2024-11-09 06:46:15,992 INFO L277 CegarLoopForPetriNet]: 327 programPoint places, -11 predicate places. [2024-11-09 06:46:15,993 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 325 transitions, 779 flow [2024-11-09 06:46:15,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 302.6) internal successors, (1513), 5 states have internal predecessors, (1513), 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) [2024-11-09 06:46:15,993 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:46:15,994 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:46:15,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 06:46:15,994 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-09 06:46:15,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:46:15,994 INFO L85 PathProgramCache]: Analyzing trace with hash 407754066, now seen corresponding path program 1 times [2024-11-09 06:46:15,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:46:15,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901297189] [2024-11-09 06:46:15,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:46:15,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:46:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:46:16,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:46:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:46:16,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 06:46:16,043 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:46:16,044 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 51 remaining) [2024-11-09 06:46:16,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 51 remaining) [2024-11-09 06:46:16,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 51 remaining) [2024-11-09 06:46:16,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 51 remaining) [2024-11-09 06:46:16,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 51 remaining) [2024-11-09 06:46:16,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (45 of 51 remaining) [2024-11-09 06:46:16,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (44 of 51 remaining) [2024-11-09 06:46:16,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (43 of 51 remaining) [2024-11-09 06:46:16,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (42 of 51 remaining) [2024-11-09 06:46:16,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (41 of 51 remaining) [2024-11-09 06:46:16,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (40 of 51 remaining) [2024-11-09 06:46:16,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (39 of 51 remaining) [2024-11-09 06:46:16,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (38 of 51 remaining) [2024-11-09 06:46:16,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (37 of 51 remaining) [2024-11-09 06:46:16,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (36 of 51 remaining) [2024-11-09 06:46:16,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (35 of 51 remaining) [2024-11-09 06:46:16,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (34 of 51 remaining) [2024-11-09 06:46:16,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (33 of 51 remaining) [2024-11-09 06:46:16,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (32 of 51 remaining) [2024-11-09 06:46:16,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (31 of 51 remaining) [2024-11-09 06:46:16,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (30 of 51 remaining) [2024-11-09 06:46:16,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (29 of 51 remaining) [2024-11-09 06:46:16,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (28 of 51 remaining) [2024-11-09 06:46:16,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (27 of 51 remaining) [2024-11-09 06:46:16,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (26 of 51 remaining) [2024-11-09 06:46:16,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (25 of 51 remaining) [2024-11-09 06:46:16,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (24 of 51 remaining) [2024-11-09 06:46:16,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (23 of 51 remaining) [2024-11-09 06:46:16,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (22 of 51 remaining) [2024-11-09 06:46:16,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (21 of 51 remaining) [2024-11-09 06:46:16,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (20 of 51 remaining) [2024-11-09 06:46:16,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (19 of 51 remaining) [2024-11-09 06:46:16,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (18 of 51 remaining) [2024-11-09 06:46:16,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (17 of 51 remaining) [2024-11-09 06:46:16,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (16 of 51 remaining) [2024-11-09 06:46:16,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (15 of 51 remaining) [2024-11-09 06:46:16,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (14 of 51 remaining) [2024-11-09 06:46:16,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (13 of 51 remaining) [2024-11-09 06:46:16,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (12 of 51 remaining) [2024-11-09 06:46:16,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (11 of 51 remaining) [2024-11-09 06:46:16,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (10 of 51 remaining) [2024-11-09 06:46:16,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (9 of 51 remaining) [2024-11-09 06:46:16,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (8 of 51 remaining) [2024-11-09 06:46:16,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (7 of 51 remaining) [2024-11-09 06:46:16,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (6 of 51 remaining) [2024-11-09 06:46:16,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (5 of 51 remaining) [2024-11-09 06:46:16,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (4 of 51 remaining) [2024-11-09 06:46:16,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (3 of 51 remaining) [2024-11-09 06:46:16,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (2 of 51 remaining) [2024-11-09 06:46:16,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (1 of 51 remaining) [2024-11-09 06:46:16,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (0 of 51 remaining) [2024-11-09 06:46:16,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 06:46:16,051 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:46:16,052 WARN L244 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-09 06:46:16,052 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-09 06:46:16,113 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 06:46:16,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 410 places, 424 transitions, 876 flow [2024-11-09 06:46:16,187 INFO L124 PetriNetUnfolderBase]: 27/474 cut-off events. [2024-11-09 06:46:16,187 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-09 06:46:16,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 474 events. 27/474 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1569 event pairs, 0 based on Foata normal form. 0/392 useless extension candidates. Maximal degree in co-relation 383. Up to 10 conditions per place. [2024-11-09 06:46:16,195 INFO L82 GeneralOperation]: Start removeDead. Operand has 410 places, 424 transitions, 876 flow [2024-11-09 06:46:16,201 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 410 places, 424 transitions, 876 flow [2024-11-09 06:46:16,203 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:46:16,204 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;@774bbdb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:46:16,204 INFO L334 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2024-11-09 06:46:16,206 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:46:16,206 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-11-09 06:46:16,207 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:46:16,207 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:46:16,207 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] [2024-11-09 06:46:16,207 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-11-09 06:46:16,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:46:16,207 INFO L85 PathProgramCache]: Analyzing trace with hash 639071663, now seen corresponding path program 1 times [2024-11-09 06:46:16,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:46:16,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993779791] [2024-11-09 06:46:16,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:46:16,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:46:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:46:16,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:46:16,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:46:16,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993779791] [2024-11-09 06:46:16,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993779791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:46:16,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:46:16,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:46:16,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465919209] [2024-11-09 06:46:16,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:46:16,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:46:16,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:46:16,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:46:16,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:46:16,304 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 424 [2024-11-09 06:46:16,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 424 transitions, 876 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 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) [2024-11-09 06:46:16,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:46:16,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 424 [2024-11-09 06:46:16,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:46:22,605 INFO L124 PetriNetUnfolderBase]: 7737/41871 cut-off events. [2024-11-09 06:46:22,605 INFO L125 PetriNetUnfolderBase]: For 3752/3752 co-relation queries the response was YES. [2024-11-09 06:46:22,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53420 conditions, 41871 events. 7737/41871 cut-off events. For 3752/3752 co-relation queries the response was YES. Maximal size of possible extension queue 1133. Compared 611898 event pairs, 6804 based on Foata normal form. 5588/40928 useless extension candidates. Maximal degree in co-relation 44090. Up to 9608 conditions per place. [2024-11-09 06:46:23,199 INFO L140 encePairwiseOnDemand]: 406/424 looper letters, 31 selfloop transitions, 2 changer transitions 1/395 dead transitions. [2024-11-09 06:46:23,199 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 395 transitions, 884 flow [2024-11-09 06:46:23,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:46:23,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:46:23,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1159 transitions. [2024-11-09 06:46:23,203 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9111635220125787 [2024-11-09 06:46:23,203 INFO L175 Difference]: Start difference. First operand has 410 places, 424 transitions, 876 flow. Second operand 3 states and 1159 transitions. [2024-11-09 06:46:23,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 395 transitions, 884 flow [2024-11-09 06:46:23,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 395 transitions, 878 flow, removed 3 selfloop flow, removed 0 redundant places. [2024-11-09 06:46:23,211 INFO L231 Difference]: Finished difference. Result has 397 places, 394 transitions, 814 flow [2024-11-09 06:46:23,213 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=397, PETRI_TRANSITIONS=394} [2024-11-09 06:46:23,213 INFO L277 CegarLoopForPetriNet]: 410 programPoint places, -13 predicate places. [2024-11-09 06:46:23,213 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 394 transitions, 814 flow [2024-11-09 06:46:23,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 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) [2024-11-09 06:46:23,214 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:46:23,214 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] [2024-11-09 06:46:23,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 06:46:23,215 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-11-09 06:46:23,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:46:23,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1967473087, now seen corresponding path program 1 times [2024-11-09 06:46:23,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:46:23,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906128995] [2024-11-09 06:46:23,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:46:23,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:46:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:46:23,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:46:23,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:46:23,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906128995] [2024-11-09 06:46:23,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906128995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:46:23,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:46:23,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:46:23,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112528119] [2024-11-09 06:46:23,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:46:23,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:46:23,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:46:23,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:46:23,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:46:23,275 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 424 [2024-11-09 06:46:23,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 394 transitions, 814 flow. Second operand has 3 states, 3 states have (on average 380.3333333333333) internal successors, (1141), 3 states have internal predecessors, (1141), 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) [2024-11-09 06:46:23,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:46:23,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 424 [2024-11-09 06:46:23,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:46:24,577 INFO L124 PetriNetUnfolderBase]: 909/9199 cut-off events. [2024-11-09 06:46:24,577 INFO L125 PetriNetUnfolderBase]: For 259/259 co-relation queries the response was YES. [2024-11-09 06:46:24,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10494 conditions, 9199 events. 909/9199 cut-off events. For 259/259 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 110277 event pairs, 684 based on Foata normal form. 0/7626 useless extension candidates. Maximal degree in co-relation 10458. Up to 1031 conditions per place. [2024-11-09 06:46:24,734 INFO L140 encePairwiseOnDemand]: 421/424 looper letters, 22 selfloop transitions, 2 changer transitions 0/393 dead transitions. [2024-11-09 06:46:24,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 393 transitions, 860 flow [2024-11-09 06:46:24,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:46:24,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:46:24,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1162 transitions. [2024-11-09 06:46:24,737 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9135220125786163 [2024-11-09 06:46:24,737 INFO L175 Difference]: Start difference. First operand has 397 places, 394 transitions, 814 flow. Second operand 3 states and 1162 transitions. [2024-11-09 06:46:24,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 393 transitions, 860 flow [2024-11-09 06:46:24,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 393 transitions, 856 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:46:24,744 INFO L231 Difference]: Finished difference. Result has 395 places, 393 transitions, 812 flow [2024-11-09 06:46:24,744 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=812, PETRI_PLACES=395, PETRI_TRANSITIONS=393} [2024-11-09 06:46:24,745 INFO L277 CegarLoopForPetriNet]: 410 programPoint places, -15 predicate places. [2024-11-09 06:46:24,745 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 393 transitions, 812 flow [2024-11-09 06:46:24,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 380.3333333333333) internal successors, (1141), 3 states have internal predecessors, (1141), 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) [2024-11-09 06:46:24,746 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:46:24,746 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:46:24,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 06:46:24,746 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-11-09 06:46:24,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:46:24,747 INFO L85 PathProgramCache]: Analyzing trace with hash 423291184, now seen corresponding path program 1 times [2024-11-09 06:46:24,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:46:24,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425497012] [2024-11-09 06:46:24,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:46:24,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:46:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:46:24,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:46:24,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:46:24,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425497012] [2024-11-09 06:46:24,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425497012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:46:24,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:46:24,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:46:24,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009608440] [2024-11-09 06:46:24,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:46:24,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:46:24,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:46:24,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:46:24,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:46:24,805 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 424 [2024-11-09 06:46:24,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 393 transitions, 812 flow. Second operand has 3 states, 3 states have (on average 372.0) internal successors, (1116), 3 states have internal predecessors, (1116), 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) [2024-11-09 06:46:24,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:46:24,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 424 [2024-11-09 06:46:24,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:46:27,608 INFO L124 PetriNetUnfolderBase]: 2261/20900 cut-off events. [2024-11-09 06:46:27,609 INFO L125 PetriNetUnfolderBase]: For 473/473 co-relation queries the response was YES. [2024-11-09 06:46:27,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23883 conditions, 20900 events. 2261/20900 cut-off events. For 473/473 co-relation queries the response was YES. Maximal size of possible extension queue 524. Compared 295599 event pairs, 1720 based on Foata normal form. 0/17502 useless extension candidates. Maximal degree in co-relation 23839. Up to 2506 conditions per place. [2024-11-09 06:46:27,816 INFO L140 encePairwiseOnDemand]: 416/424 looper letters, 26 selfloop transitions, 1 changer transitions 0/386 dead transitions. [2024-11-09 06:46:27,817 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 386 transitions, 852 flow [2024-11-09 06:46:27,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:46:27,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:46:27,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1147 transitions. [2024-11-09 06:46:27,820 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9017295597484277 [2024-11-09 06:46:27,820 INFO L175 Difference]: Start difference. First operand has 395 places, 393 transitions, 812 flow. Second operand 3 states and 1147 transitions. [2024-11-09 06:46:27,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 386 transitions, 852 flow [2024-11-09 06:46:27,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 386 transitions, 848 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:46:27,827 INFO L231 Difference]: Finished difference. Result has 388 places, 386 transitions, 796 flow [2024-11-09 06:46:27,827 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=796, PETRI_PLACES=388, PETRI_TRANSITIONS=386} [2024-11-09 06:46:27,827 INFO L277 CegarLoopForPetriNet]: 410 programPoint places, -22 predicate places. [2024-11-09 06:46:27,828 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 386 transitions, 796 flow [2024-11-09 06:46:27,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.0) internal successors, (1116), 3 states have internal predecessors, (1116), 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) [2024-11-09 06:46:27,828 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:46:27,828 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:46:27,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 06:46:27,829 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-11-09 06:46:27,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:46:27,829 INFO L85 PathProgramCache]: Analyzing trace with hash -963294461, now seen corresponding path program 1 times [2024-11-09 06:46:27,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:46:27,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859323060] [2024-11-09 06:46:27,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:46:27,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:46:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:46:27,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:46:27,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:46:27,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859323060] [2024-11-09 06:46:27,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859323060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:46:27,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:46:27,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:46:27,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452182895] [2024-11-09 06:46:27,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:46:27,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:46:27,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:46:27,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:46:27,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:46:27,911 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 424 [2024-11-09 06:46:27,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 386 transitions, 796 flow. Second operand has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 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) [2024-11-09 06:46:27,912 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:46:27,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 424 [2024-11-09 06:46:27,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:46:31,833 INFO L124 PetriNetUnfolderBase]: 4251/26681 cut-off events. [2024-11-09 06:46:31,833 INFO L125 PetriNetUnfolderBase]: For 781/781 co-relation queries the response was YES. [2024-11-09 06:46:31,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32654 conditions, 26681 events. 4251/26681 cut-off events. For 781/781 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 358593 event pairs, 3630 based on Foata normal form. 0/22524 useless extension candidates. Maximal degree in co-relation 32610. Up to 5188 conditions per place. [2024-11-09 06:46:32,102 INFO L140 encePairwiseOnDemand]: 421/424 looper letters, 27 selfloop transitions, 2 changer transitions 0/385 dead transitions. [2024-11-09 06:46:32,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 385 transitions, 852 flow [2024-11-09 06:46:32,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:46:32,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:46:32,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1152 transitions. [2024-11-09 06:46:32,106 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9056603773584906 [2024-11-09 06:46:32,106 INFO L175 Difference]: Start difference. First operand has 388 places, 386 transitions, 796 flow. Second operand 3 states and 1152 transitions. [2024-11-09 06:46:32,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 385 transitions, 852 flow [2024-11-09 06:46:32,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 385 transitions, 851 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:46:32,112 INFO L231 Difference]: Finished difference. Result has 388 places, 385 transitions, 797 flow [2024-11-09 06:46:32,112 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=793, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=797, PETRI_PLACES=388, PETRI_TRANSITIONS=385} [2024-11-09 06:46:32,113 INFO L277 CegarLoopForPetriNet]: 410 programPoint places, -22 predicate places. [2024-11-09 06:46:32,113 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 385 transitions, 797 flow [2024-11-09 06:46:32,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 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) [2024-11-09 06:46:32,114 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:46:32,114 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] [2024-11-09 06:46:32,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 06:46:32,114 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-11-09 06:46:32,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:46:32,115 INFO L85 PathProgramCache]: Analyzing trace with hash 417191485, now seen corresponding path program 1 times [2024-11-09 06:46:32,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:46:32,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953149141] [2024-11-09 06:46:32,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:46:32,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:46:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:46:32,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:46:32,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:46:32,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953149141] [2024-11-09 06:46:32,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953149141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:46:32,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:46:32,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:46:32,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186979908] [2024-11-09 06:46:32,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:46:32,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:46:32,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:46:32,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:46:32,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:46:32,211 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 424 [2024-11-09 06:46:32,212 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 385 transitions, 797 flow. Second operand has 3 states, 3 states have (on average 353.6666666666667) internal successors, (1061), 3 states have internal predecessors, (1061), 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) [2024-11-09 06:46:32,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:46:32,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 424 [2024-11-09 06:46:32,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand