./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.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/goblint-regression/09-regions_02-list_nr.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 68b918b5051efa1a4363a7cd528e42e31cd4f687fef5116849d37b2131e9c46c --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:51:52,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:51:52,099 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:51:52,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:51:52,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:51:52,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:51:52,150 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:51:52,151 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:51:52,152 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:51:52,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:51:52,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:51:52,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:51:52,154 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:51:52,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:51:52,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:51:52,157 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:51:52,157 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:51:52,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:51:52,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:51:52,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:51:52,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:51:52,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:51:52,163 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:51:52,164 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:51:52,165 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:51:52,165 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:51:52,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:51:52,165 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:51:52,166 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:51:52,166 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:51:52,166 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:51:52,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:51:52,167 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:51:52,167 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:51:52,168 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:51:52,168 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:51:52,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:51:52,169 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:51:52,169 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:51:52,170 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:51:52,170 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:51:52,170 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68b918b5051efa1a4363a7cd528e42e31cd4f687fef5116849d37b2131e9c46c [2024-11-09 06:51:52,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:51:52,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:51:52,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:51:52,456 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:51:52,456 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:51:52,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i [2024-11-09 06:51:53,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:51:54,176 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:51:54,177 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i [2024-11-09 06:51:54,195 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff779fa38/1d6513f137cf4720bb7e091c1c1f3403/FLAGfb6479e79 [2024-11-09 06:51:54,209 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff779fa38/1d6513f137cf4720bb7e091c1c1f3403 [2024-11-09 06:51:54,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:51:54,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:51:54,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:51:54,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:51:54,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:51:54,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:51:54" (1/1) ... [2024-11-09 06:51:54,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de0254a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:54, skipping insertion in model container [2024-11-09 06:51:54,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:51:54" (1/1) ... [2024-11-09 06:51:54,274 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:51:54,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:51:54,836 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:51:54,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:51:54,964 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:51:54,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:54 WrapperNode [2024-11-09 06:51:54,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:51:54,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:51:54,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:51:54,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:51:54,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:54" (1/1) ... [2024-11-09 06:51:54,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:54" (1/1) ... [2024-11-09 06:51:55,034 INFO L138 Inliner]: procedures = 368, calls = 27, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 221 [2024-11-09 06:51:55,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:51:55,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:51:55,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:51:55,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:51:55,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:54" (1/1) ... [2024-11-09 06:51:55,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:54" (1/1) ... [2024-11-09 06:51:55,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:54" (1/1) ... [2024-11-09 06:51:55,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:54" (1/1) ... [2024-11-09 06:51:55,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:54" (1/1) ... [2024-11-09 06:51:55,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:54" (1/1) ... [2024-11-09 06:51:55,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:54" (1/1) ... [2024-11-09 06:51:55,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:54" (1/1) ... [2024-11-09 06:51:55,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:51:55,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:51:55,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:51:55,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:51:55,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:54" (1/1) ... [2024-11-09 06:51:55,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:51:55,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:51:55,162 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 06:51:55,165 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 06:51:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:51:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 06:51:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:51:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:51:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 06:51:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:51:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:51:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:51:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-09 06:51:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-09 06:51:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:51:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:51:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:51:55,216 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 06:51:55,402 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:51:55,404 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:51:55,867 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:51:55,867 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:51:55,906 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:51:55,907 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:51:55,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:51:55 BoogieIcfgContainer [2024-11-09 06:51:55,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:51:55,910 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:51:55,910 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:51:55,914 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:51:55,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:51:54" (1/3) ... [2024-11-09 06:51:55,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a46d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:51:55, skipping insertion in model container [2024-11-09 06:51:55,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:54" (2/3) ... [2024-11-09 06:51:55,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a46d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:51:55, skipping insertion in model container [2024-11-09 06:51:55,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:51:55" (3/3) ... [2024-11-09 06:51:55,921 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_02-list_nr.i [2024-11-09 06:51:55,940 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:51:55,940 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-09 06:51:55,940 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:51:56,056 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 06:51:56,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 253 places, 249 transitions, 502 flow [2024-11-09 06:51:56,209 INFO L124 PetriNetUnfolderBase]: 0/248 cut-off events. [2024-11-09 06:51:56,210 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:51:56,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 248 events. 0/248 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 85 event pairs, 0 based on Foata normal form. 0/230 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-09 06:51:56,216 INFO L82 GeneralOperation]: Start removeDead. Operand has 253 places, 249 transitions, 502 flow [2024-11-09 06:51:56,223 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 252 places, 248 transitions, 499 flow [2024-11-09 06:51:56,237 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:51:56,246 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;@3c792a80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:51:56,247 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-11-09 06:51:56,266 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:51:56,267 INFO L124 PetriNetUnfolderBase]: 0/83 cut-off events. [2024-11-09 06:51:56,267 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:51:56,267 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:56,268 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:51:56,269 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-09 06:51:56,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:56,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1044138680, now seen corresponding path program 1 times [2024-11-09 06:51:56,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:56,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245241191] [2024-11-09 06:51:56,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:56,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:57,315 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 06:51:57,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:51:57,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245241191] [2024-11-09 06:51:57,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245241191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:57,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:57,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:51:57,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647510005] [2024-11-09 06:51:57,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:57,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:51:57,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:51:57,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:51:57,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:51:57,820 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 249 [2024-11-09 06:51:57,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 248 transitions, 499 flow. Second operand has 6 states, 6 states have (on average 191.33333333333334) internal successors, (1148), 6 states have internal predecessors, (1148), 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 06:51:57,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:51:57,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 249 [2024-11-09 06:51:57,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:51:58,186 INFO L124 PetriNetUnfolderBase]: 220/1072 cut-off events. [2024-11-09 06:51:58,186 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:51:58,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1574 conditions, 1072 events. 220/1072 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5354 event pairs, 220 based on Foata normal form. 0/967 useless extension candidates. Maximal degree in co-relation 1398. Up to 488 conditions per place. [2024-11-09 06:51:58,203 INFO L140 encePairwiseOnDemand]: 237/249 looper letters, 47 selfloop transitions, 10 changer transitions 0/246 dead transitions. [2024-11-09 06:51:58,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 246 transitions, 609 flow [2024-11-09 06:51:58,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:51:58,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:51:58,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1199 transitions. [2024-11-09 06:51:58,223 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8025435073627845 [2024-11-09 06:51:58,227 INFO L175 Difference]: Start difference. First operand has 252 places, 248 transitions, 499 flow. Second operand 6 states and 1199 transitions. [2024-11-09 06:51:58,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 246 transitions, 609 flow [2024-11-09 06:51:58,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 246 transitions, 608 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:51:58,239 INFO L231 Difference]: Finished difference. Result has 254 places, 246 transitions, 514 flow [2024-11-09 06:51:58,243 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=514, PETRI_PLACES=254, PETRI_TRANSITIONS=246} [2024-11-09 06:51:58,246 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 2 predicate places. [2024-11-09 06:51:58,247 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 246 transitions, 514 flow [2024-11-09 06:51:58,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.33333333333334) internal successors, (1148), 6 states have internal predecessors, (1148), 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 06:51:58,248 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:58,248 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:51:58,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:51:58,249 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-09 06:51:58,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:58,251 INFO L85 PathProgramCache]: Analyzing trace with hash -956173680, now seen corresponding path program 1 times [2024-11-09 06:51:58,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:58,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034815611] [2024-11-09 06:51:58,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:58,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:58,816 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 06:51:58,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:51:58,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034815611] [2024-11-09 06:51:58,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034815611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:58,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:58,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:51:58,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126065982] [2024-11-09 06:51:58,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:58,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:51:58,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:51:58,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:51:58,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:51:59,170 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 249 [2024-11-09 06:51:59,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 246 transitions, 514 flow. Second operand has 6 states, 6 states have (on average 191.33333333333334) internal successors, (1148), 6 states have internal predecessors, (1148), 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 06:51:59,173 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:51:59,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 249 [2024-11-09 06:51:59,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:51:59,428 INFO L124 PetriNetUnfolderBase]: 220/1070 cut-off events. [2024-11-09 06:51:59,429 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:51:59,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1582 conditions, 1070 events. 220/1070 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5357 event pairs, 220 based on Foata normal form. 0/967 useless extension candidates. Maximal degree in co-relation 1439. Up to 488 conditions per place. [2024-11-09 06:51:59,437 INFO L140 encePairwiseOnDemand]: 237/249 looper letters, 47 selfloop transitions, 10 changer transitions 0/244 dead transitions. [2024-11-09 06:51:59,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 244 transitions, 624 flow [2024-11-09 06:51:59,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:51:59,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:51:59,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1199 transitions. [2024-11-09 06:51:59,440 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8025435073627845 [2024-11-09 06:51:59,441 INFO L175 Difference]: Start difference. First operand has 254 places, 246 transitions, 514 flow. Second operand 6 states and 1199 transitions. [2024-11-09 06:51:59,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 244 transitions, 624 flow [2024-11-09 06:51:59,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 244 transitions, 604 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:51:59,450 INFO L231 Difference]: Finished difference. Result has 252 places, 244 transitions, 510 flow [2024-11-09 06:51:59,450 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=510, PETRI_PLACES=252, PETRI_TRANSITIONS=244} [2024-11-09 06:51:59,451 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 0 predicate places. [2024-11-09 06:51:59,451 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 244 transitions, 510 flow [2024-11-09 06:51:59,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.33333333333334) internal successors, (1148), 6 states have internal predecessors, (1148), 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 06:51:59,452 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:59,453 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:51:59,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:51:59,453 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-09 06:51:59,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:59,455 INFO L85 PathProgramCache]: Analyzing trace with hash -130714399, now seen corresponding path program 1 times [2024-11-09 06:51:59,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:59,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071439816] [2024-11-09 06:51:59,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:59,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:59,537 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 06:51:59,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:51:59,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071439816] [2024-11-09 06:51:59,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071439816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:59,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:59,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:51:59,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037077957] [2024-11-09 06:51:59,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:59,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:51:59,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:51:59,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:51:59,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:51:59,575 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 249 [2024-11-09 06:51:59,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 244 transitions, 510 flow. Second operand has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 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 06:51:59,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:51:59,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 249 [2024-11-09 06:51:59,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:51:59,639 INFO L124 PetriNetUnfolderBase]: 16/379 cut-off events. [2024-11-09 06:51:59,640 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:51:59,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 442 conditions, 379 events. 16/379 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 756 event pairs, 16 based on Foata normal form. 0/347 useless extension candidates. Maximal degree in co-relation 298. Up to 47 conditions per place. [2024-11-09 06:51:59,642 INFO L140 encePairwiseOnDemand]: 246/249 looper letters, 14 selfloop transitions, 2 changer transitions 0/243 dead transitions. [2024-11-09 06:51:59,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 243 transitions, 540 flow [2024-11-09 06:51:59,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:51:59,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:51:59,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2024-11-09 06:51:59,645 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9544846050870147 [2024-11-09 06:51:59,645 INFO L175 Difference]: Start difference. First operand has 252 places, 244 transitions, 510 flow. Second operand 3 states and 713 transitions. [2024-11-09 06:51:59,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 243 transitions, 540 flow [2024-11-09 06:51:59,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 243 transitions, 520 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:51:59,650 INFO L231 Difference]: Finished difference. Result has 248 places, 243 transitions, 492 flow [2024-11-09 06:51:59,650 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=492, PETRI_PLACES=248, PETRI_TRANSITIONS=243} [2024-11-09 06:51:59,652 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, -4 predicate places. [2024-11-09 06:51:59,652 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 243 transitions, 492 flow [2024-11-09 06:51:59,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 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 06:51:59,653 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:59,653 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:51:59,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:51:59,654 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-09 06:51:59,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:59,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1165486800, now seen corresponding path program 1 times [2024-11-09 06:51:59,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:59,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24305625] [2024-11-09 06:51:59,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:59,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:59,727 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 06:51:59,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:51:59,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24305625] [2024-11-09 06:51:59,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24305625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:59,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:59,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:51:59,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985609409] [2024-11-09 06:51:59,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:59,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:51:59,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:51:59,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:51:59,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:51:59,755 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 249 [2024-11-09 06:51:59,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 243 transitions, 492 flow. Second operand has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 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 06:51:59,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:51:59,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 249 [2024-11-09 06:51:59,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:51:59,848 INFO L124 PetriNetUnfolderBase]: 24/456 cut-off events. [2024-11-09 06:51:59,848 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:51:59,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 527 conditions, 456 events. 24/456 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1210 event pairs, 24 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 419. Up to 63 conditions per place. [2024-11-09 06:51:59,852 INFO L140 encePairwiseOnDemand]: 243/249 looper letters, 15 selfloop transitions, 1 changer transitions 0/238 dead transitions. [2024-11-09 06:51:59,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 238 transitions, 514 flow [2024-11-09 06:51:59,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:51:59,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:51:59,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 705 transitions. [2024-11-09 06:51:59,854 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9437751004016064 [2024-11-09 06:51:59,854 INFO L175 Difference]: Start difference. First operand has 248 places, 243 transitions, 492 flow. Second operand 3 states and 705 transitions. [2024-11-09 06:51:59,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 238 transitions, 514 flow [2024-11-09 06:51:59,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 238 transitions, 510 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:51:59,859 INFO L231 Difference]: Finished difference. Result has 243 places, 238 transitions, 480 flow [2024-11-09 06:51:59,859 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=480, PETRI_PLACES=243, PETRI_TRANSITIONS=238} [2024-11-09 06:51:59,861 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, -9 predicate places. [2024-11-09 06:51:59,861 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 238 transitions, 480 flow [2024-11-09 06:51:59,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 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 06:51:59,862 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:59,862 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:51:59,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:51:59,863 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-09 06:51:59,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:59,864 INFO L85 PathProgramCache]: Analyzing trace with hash -264416534, now seen corresponding path program 1 times [2024-11-09 06:51:59,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:59,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630089716] [2024-11-09 06:51:59,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:59,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:00,514 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 06:52:00,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:00,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630089716] [2024-11-09 06:52:00,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630089716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:00,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:00,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:52:00,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964424850] [2024-11-09 06:52:00,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:00,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:52:00,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:00,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:52:00,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:52:00,778 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 249 [2024-11-09 06:52:00,779 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 238 transitions, 480 flow. Second operand has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 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 06:52:00,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:00,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 249 [2024-11-09 06:52:00,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:01,053 INFO L124 PetriNetUnfolderBase]: 288/1209 cut-off events. [2024-11-09 06:52:01,053 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:52:01,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1854 conditions, 1209 events. 288/1209 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6307 event pairs, 288 based on Foata normal form. 0/1150 useless extension candidates. Maximal degree in co-relation 1736. Up to 635 conditions per place. [2024-11-09 06:52:01,060 INFO L140 encePairwiseOnDemand]: 243/249 looper letters, 58 selfloop transitions, 5 changer transitions 0/237 dead transitions. [2024-11-09 06:52:01,060 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 237 transitions, 604 flow [2024-11-09 06:52:01,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:52:01,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:52:01,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1174 transitions. [2024-11-09 06:52:01,063 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.785809906291834 [2024-11-09 06:52:01,064 INFO L175 Difference]: Start difference. First operand has 243 places, 238 transitions, 480 flow. Second operand 6 states and 1174 transitions. [2024-11-09 06:52:01,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 237 transitions, 604 flow [2024-11-09 06:52:01,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 237 transitions, 603 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:52:01,068 INFO L231 Difference]: Finished difference. Result has 246 places, 237 transitions, 487 flow [2024-11-09 06:52:01,069 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=477, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=487, PETRI_PLACES=246, PETRI_TRANSITIONS=237} [2024-11-09 06:52:01,072 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, -6 predicate places. [2024-11-09 06:52:01,072 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 237 transitions, 487 flow [2024-11-09 06:52:01,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 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 06:52:01,073 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:01,073 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:01,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:52:01,074 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-09 06:52:01,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:01,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1517100340, now seen corresponding path program 1 times [2024-11-09 06:52:01,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:01,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634399084] [2024-11-09 06:52:01,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:01,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:01,744 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 06:52:01,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:01,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634399084] [2024-11-09 06:52:01,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634399084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:01,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:01,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:52:01,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761610214] [2024-11-09 06:52:01,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:01,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:52:01,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:01,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:52:01,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:52:02,053 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 249 [2024-11-09 06:52:02,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 237 transitions, 487 flow. Second operand has 6 states, 6 states have (on average 197.0) internal successors, (1182), 6 states have internal predecessors, (1182), 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 06:52:02,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:02,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 249 [2024-11-09 06:52:02,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:02,420 INFO L124 PetriNetUnfolderBase]: 316/1535 cut-off events. [2024-11-09 06:52:02,420 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:52:02,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2271 conditions, 1535 events. 316/1535 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 9256 event pairs, 36 based on Foata normal form. 0/1445 useless extension candidates. Maximal degree in co-relation 2154. Up to 380 conditions per place. [2024-11-09 06:52:02,427 INFO L140 encePairwiseOnDemand]: 221/249 looper letters, 99 selfloop transitions, 70 changer transitions 0/349 dead transitions. [2024-11-09 06:52:02,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 349 transitions, 1049 flow [2024-11-09 06:52:02,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:52:02,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:52:02,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1323 transitions. [2024-11-09 06:52:02,432 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8855421686746988 [2024-11-09 06:52:02,432 INFO L175 Difference]: Start difference. First operand has 246 places, 237 transitions, 487 flow. Second operand 6 states and 1323 transitions. [2024-11-09 06:52:02,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 349 transitions, 1049 flow [2024-11-09 06:52:02,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 349 transitions, 1039 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:52:02,440 INFO L231 Difference]: Finished difference. Result has 250 places, 307 transitions, 955 flow [2024-11-09 06:52:02,441 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=955, PETRI_PLACES=250, PETRI_TRANSITIONS=307} [2024-11-09 06:52:02,442 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, -2 predicate places. [2024-11-09 06:52:02,442 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 307 transitions, 955 flow [2024-11-09 06:52:02,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 197.0) internal successors, (1182), 6 states have internal predecessors, (1182), 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 06:52:02,443 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:02,443 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:02,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:52:02,444 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-09 06:52:02,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:02,444 INFO L85 PathProgramCache]: Analyzing trace with hash -656122962, now seen corresponding path program 1 times [2024-11-09 06:52:02,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:02,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964279730] [2024-11-09 06:52:02,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:02,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:02,970 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 06:52:02,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:02,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964279730] [2024-11-09 06:52:02,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964279730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:02,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:02,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:52:02,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372546075] [2024-11-09 06:52:02,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:02,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:52:02,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:02,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:52:02,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:52:03,309 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 249 [2024-11-09 06:52:03,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 307 transitions, 955 flow. Second operand has 6 states, 6 states have (on average 197.83333333333334) internal successors, (1187), 6 states have internal predecessors, (1187), 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 06:52:03,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:03,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 249 [2024-11-09 06:52:03,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:03,713 INFO L124 PetriNetUnfolderBase]: 588/2306 cut-off events. [2024-11-09 06:52:03,713 INFO L125 PetriNetUnfolderBase]: For 603/609 co-relation queries the response was YES. [2024-11-09 06:52:03,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4695 conditions, 2306 events. 588/2306 cut-off events. For 603/609 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 15128 event pairs, 222 based on Foata normal form. 0/2194 useless extension candidates. Maximal degree in co-relation 4576. Up to 1082 conditions per place. [2024-11-09 06:52:03,728 INFO L140 encePairwiseOnDemand]: 234/249 looper letters, 106 selfloop transitions, 48 changer transitions 0/358 dead transitions. [2024-11-09 06:52:03,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 358 transitions, 1435 flow [2024-11-09 06:52:03,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:52:03,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:52:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1260 transitions. [2024-11-09 06:52:03,733 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8433734939759037 [2024-11-09 06:52:03,733 INFO L175 Difference]: Start difference. First operand has 250 places, 307 transitions, 955 flow. Second operand 6 states and 1260 transitions. [2024-11-09 06:52:03,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 358 transitions, 1435 flow [2024-11-09 06:52:03,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 358 transitions, 1435 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:52:03,747 INFO L231 Difference]: Finished difference. Result has 260 places, 350 transitions, 1343 flow [2024-11-09 06:52:03,748 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=955, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1343, PETRI_PLACES=260, PETRI_TRANSITIONS=350} [2024-11-09 06:52:03,749 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 8 predicate places. [2024-11-09 06:52:03,749 INFO L471 AbstractCegarLoop]: Abstraction has has 260 places, 350 transitions, 1343 flow [2024-11-09 06:52:03,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 197.83333333333334) internal successors, (1187), 6 states have internal predecessors, (1187), 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 06:52:03,751 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:03,752 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:03,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:52:03,752 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-09 06:52:03,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:03,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1849978901, now seen corresponding path program 1 times [2024-11-09 06:52:03,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:03,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730521685] [2024-11-09 06:52:03,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:03,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:04,282 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 06:52:04,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:04,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730521685] [2024-11-09 06:52:04,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730521685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:04,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:04,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:52:04,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525385732] [2024-11-09 06:52:04,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:04,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:52:04,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:04,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:52:04,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:52:04,575 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 249 [2024-11-09 06:52:04,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 350 transitions, 1343 flow. Second operand has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 06:52:04,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:04,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 249 [2024-11-09 06:52:04,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:05,091 INFO L124 PetriNetUnfolderBase]: 743/2863 cut-off events. [2024-11-09 06:52:05,092 INFO L125 PetriNetUnfolderBase]: For 1673/1738 co-relation queries the response was YES. [2024-11-09 06:52:05,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6639 conditions, 2863 events. 743/2863 cut-off events. For 1673/1738 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 20214 event pairs, 86 based on Foata normal form. 0/2772 useless extension candidates. Maximal degree in co-relation 6513. Up to 1023 conditions per place. [2024-11-09 06:52:05,112 INFO L140 encePairwiseOnDemand]: 226/249 looper letters, 128 selfloop transitions, 136 changer transitions 4/490 dead transitions. [2024-11-09 06:52:05,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 490 transitions, 2635 flow [2024-11-09 06:52:05,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:52:05,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:52:05,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1318 transitions. [2024-11-09 06:52:05,116 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8821954484605087 [2024-11-09 06:52:05,116 INFO L175 Difference]: Start difference. First operand has 260 places, 350 transitions, 1343 flow. Second operand 6 states and 1318 transitions. [2024-11-09 06:52:05,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 490 transitions, 2635 flow [2024-11-09 06:52:05,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 490 transitions, 2617 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-09 06:52:05,136 INFO L231 Difference]: Finished difference. Result has 270 places, 481 transitions, 2691 flow [2024-11-09 06:52:05,137 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=1325, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2691, PETRI_PLACES=270, PETRI_TRANSITIONS=481} [2024-11-09 06:52:05,138 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 18 predicate places. [2024-11-09 06:52:05,138 INFO L471 AbstractCegarLoop]: Abstraction has has 270 places, 481 transitions, 2691 flow [2024-11-09 06:52:05,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 06:52:05,139 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:05,139 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:05,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:52:05,140 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-09 06:52:05,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:05,140 INFO L85 PathProgramCache]: Analyzing trace with hash 642851118, now seen corresponding path program 1 times [2024-11-09 06:52:05,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:05,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378591322] [2024-11-09 06:52:05,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:05,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:05,989 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 06:52:05,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:05,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378591322] [2024-11-09 06:52:05,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378591322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:05,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:05,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:52:05,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889548858] [2024-11-09 06:52:05,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:05,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:05,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:05,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:05,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:07,108 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-09 06:52:07,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 481 transitions, 2691 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 06:52:07,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:07,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-09 06:52:07,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:08,863 INFO L124 PetriNetUnfolderBase]: 1151/4174 cut-off events. [2024-11-09 06:52:08,863 INFO L125 PetriNetUnfolderBase]: For 5352/5456 co-relation queries the response was YES. [2024-11-09 06:52:08,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11940 conditions, 4174 events. 1151/4174 cut-off events. For 5352/5456 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 32994 event pairs, 78 based on Foata normal form. 35/4115 useless extension candidates. Maximal degree in co-relation 11806. Up to 880 conditions per place. [2024-11-09 06:52:08,914 INFO L140 encePairwiseOnDemand]: 212/249 looper letters, 349 selfloop transitions, 159 changer transitions 4/705 dead transitions. [2024-11-09 06:52:08,914 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 705 transitions, 5131 flow [2024-11-09 06:52:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 06:52:08,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-09 06:52:08,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2777 transitions. [2024-11-09 06:52:08,921 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7966150315547906 [2024-11-09 06:52:08,921 INFO L175 Difference]: Start difference. First operand has 270 places, 481 transitions, 2691 flow. Second operand 14 states and 2777 transitions. [2024-11-09 06:52:08,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 705 transitions, 5131 flow [2024-11-09 06:52:08,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 705 transitions, 5059 flow, removed 36 selfloop flow, removed 0 redundant places. [2024-11-09 06:52:08,964 INFO L231 Difference]: Finished difference. Result has 293 places, 544 transitions, 3964 flow [2024-11-09 06:52:08,965 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=2655, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=481, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=3964, PETRI_PLACES=293, PETRI_TRANSITIONS=544} [2024-11-09 06:52:08,965 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 41 predicate places. [2024-11-09 06:52:08,966 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 544 transitions, 3964 flow [2024-11-09 06:52:08,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 06:52:08,967 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:08,967 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:08,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:52:08,968 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-09 06:52:08,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:08,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1158483018, now seen corresponding path program 2 times [2024-11-09 06:52:08,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:08,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043228417] [2024-11-09 06:52:08,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:08,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:09,687 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 06:52:09,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:09,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043228417] [2024-11-09 06:52:09,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043228417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:09,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:09,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:52:09,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235039440] [2024-11-09 06:52:09,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:09,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:09,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:09,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:09,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:11,058 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-09 06:52:11,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 544 transitions, 3964 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 06:52:11,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:11,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-09 06:52:11,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:12,562 INFO L124 PetriNetUnfolderBase]: 1253/4614 cut-off events. [2024-11-09 06:52:12,562 INFO L125 PetriNetUnfolderBase]: For 9610/9714 co-relation queries the response was YES. [2024-11-09 06:52:12,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14561 conditions, 4614 events. 1253/4614 cut-off events. For 9610/9714 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 37093 event pairs, 125 based on Foata normal form. 37/4535 useless extension candidates. Maximal degree in co-relation 14413. Up to 891 conditions per place. [2024-11-09 06:52:12,615 INFO L140 encePairwiseOnDemand]: 228/249 looper letters, 440 selfloop transitions, 103 changer transitions 0/736 dead transitions. [2024-11-09 06:52:12,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 736 transitions, 6508 flow [2024-11-09 06:52:12,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 06:52:12,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-09 06:52:12,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3604 transitions. [2024-11-09 06:52:12,625 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7617839780173324 [2024-11-09 06:52:12,626 INFO L175 Difference]: Start difference. First operand has 293 places, 544 transitions, 3964 flow. Second operand 19 states and 3604 transitions. [2024-11-09 06:52:12,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 736 transitions, 6508 flow [2024-11-09 06:52:12,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 736 transitions, 6503 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-09 06:52:12,680 INFO L231 Difference]: Finished difference. Result has 317 places, 599 transitions, 4779 flow [2024-11-09 06:52:12,682 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=3959, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4779, PETRI_PLACES=317, PETRI_TRANSITIONS=599} [2024-11-09 06:52:12,683 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 65 predicate places. [2024-11-09 06:52:12,683 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 599 transitions, 4779 flow [2024-11-09 06:52:12,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 06:52:12,684 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:12,684 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:12,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:52:12,685 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-09 06:52:12,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:12,686 INFO L85 PathProgramCache]: Analyzing trace with hash -370482976, now seen corresponding path program 3 times [2024-11-09 06:52:12,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:12,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793103670] [2024-11-09 06:52:12,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:12,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:13,493 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 06:52:13,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:13,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793103670] [2024-11-09 06:52:13,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793103670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:13,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:13,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:52:13,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705361259] [2024-11-09 06:52:13,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:13,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:13,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:13,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:13,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:14,364 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-09 06:52:14,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 599 transitions, 4779 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 06:52:14,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:14,366 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-09 06:52:14,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:16,253 INFO L124 PetriNetUnfolderBase]: 1790/6487 cut-off events. [2024-11-09 06:52:16,253 INFO L125 PetriNetUnfolderBase]: For 17776/17967 co-relation queries the response was YES. [2024-11-09 06:52:16,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21812 conditions, 6487 events. 1790/6487 cut-off events. For 17776/17967 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 58250 event pairs, 144 based on Foata normal form. 55/6368 useless extension candidates. Maximal degree in co-relation 21654. Up to 1298 conditions per place. [2024-11-09 06:52:16,309 INFO L140 encePairwiseOnDemand]: 216/249 looper letters, 450 selfloop transitions, 226 changer transitions 3/872 dead transitions. [2024-11-09 06:52:16,309 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 872 transitions, 8587 flow [2024-11-09 06:52:16,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 06:52:16,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-09 06:52:16,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3860 transitions. [2024-11-09 06:52:16,319 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7751004016064257 [2024-11-09 06:52:16,320 INFO L175 Difference]: Start difference. First operand has 317 places, 599 transitions, 4779 flow. Second operand 20 states and 3860 transitions. [2024-11-09 06:52:16,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 872 transitions, 8587 flow [2024-11-09 06:52:16,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 872 transitions, 8551 flow, removed 6 selfloop flow, removed 5 redundant places. [2024-11-09 06:52:16,418 INFO L231 Difference]: Finished difference. Result has 342 places, 693 transitions, 6986 flow [2024-11-09 06:52:16,419 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=4753, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=599, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=6986, PETRI_PLACES=342, PETRI_TRANSITIONS=693} [2024-11-09 06:52:16,420 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 90 predicate places. [2024-11-09 06:52:16,420 INFO L471 AbstractCegarLoop]: Abstraction has has 342 places, 693 transitions, 6986 flow [2024-11-09 06:52:16,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 06:52:16,422 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:16,422 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:16,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 06:52:16,422 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-09 06:52:16,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:16,423 INFO L85 PathProgramCache]: Analyzing trace with hash -878427960, now seen corresponding path program 4 times [2024-11-09 06:52:16,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:16,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073017007] [2024-11-09 06:52:16,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:16,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:17,223 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 06:52:17,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:17,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073017007] [2024-11-09 06:52:17,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073017007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:17,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:17,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:52:17,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333723796] [2024-11-09 06:52:17,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:17,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:17,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:17,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:17,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:18,382 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-09 06:52:18,384 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 693 transitions, 6986 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 06:52:18,384 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:18,384 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-09 06:52:18,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:21,083 INFO L124 PetriNetUnfolderBase]: 2505/8900 cut-off events. [2024-11-09 06:52:21,083 INFO L125 PetriNetUnfolderBase]: For 36019/36331 co-relation queries the response was YES. [2024-11-09 06:52:21,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32607 conditions, 8900 events. 2505/8900 cut-off events. For 36019/36331 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 87164 event pairs, 147 based on Foata normal form. 98/8761 useless extension candidates. Maximal degree in co-relation 32437. Up to 1807 conditions per place. [2024-11-09 06:52:21,156 INFO L140 encePairwiseOnDemand]: 220/249 looper letters, 510 selfloop transitions, 301 changer transitions 0/1004 dead transitions. [2024-11-09 06:52:21,157 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 1004 transitions, 12268 flow [2024-11-09 06:52:21,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 06:52:21,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-09 06:52:21,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3629 transitions. [2024-11-09 06:52:21,164 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7670682730923695 [2024-11-09 06:52:21,164 INFO L175 Difference]: Start difference. First operand has 342 places, 693 transitions, 6986 flow. Second operand 19 states and 3629 transitions. [2024-11-09 06:52:21,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 1004 transitions, 12268 flow [2024-11-09 06:52:21,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 1004 transitions, 12226 flow, removed 11 selfloop flow, removed 7 redundant places. [2024-11-09 06:52:21,327 INFO L231 Difference]: Finished difference. Result has 362 places, 806 transitions, 10052 flow [2024-11-09 06:52:21,328 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=6944, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=693, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=199, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=10052, PETRI_PLACES=362, PETRI_TRANSITIONS=806} [2024-11-09 06:52:21,331 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 110 predicate places. [2024-11-09 06:52:21,331 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 806 transitions, 10052 flow [2024-11-09 06:52:21,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 06:52:21,334 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:21,334 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:21,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 06:52:21,334 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-09 06:52:21,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:21,335 INFO L85 PathProgramCache]: Analyzing trace with hash -857358, now seen corresponding path program 5 times [2024-11-09 06:52:21,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:21,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112401721] [2024-11-09 06:52:21,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:21,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:22,027 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 06:52:22,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:22,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112401721] [2024-11-09 06:52:22,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112401721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:22,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:22,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:52:22,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304678297] [2024-11-09 06:52:22,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:22,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:22,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:22,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:22,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:23,209 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-09 06:52:23,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 806 transitions, 10052 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 06:52:23,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:23,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-09 06:52:23,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:26,383 INFO L124 PetriNetUnfolderBase]: 2977/10444 cut-off events. [2024-11-09 06:52:26,383 INFO L125 PetriNetUnfolderBase]: For 57595/58098 co-relation queries the response was YES. [2024-11-09 06:52:26,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40631 conditions, 10444 events. 2977/10444 cut-off events. For 57595/58098 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 107035 event pairs, 244 based on Foata normal form. 178/10348 useless extension candidates. Maximal degree in co-relation 40452. Up to 2148 conditions per place. [2024-11-09 06:52:26,469 INFO L140 encePairwiseOnDemand]: 216/249 looper letters, 562 selfloop transitions, 321 changer transitions 3/1079 dead transitions. [2024-11-09 06:52:26,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 1079 transitions, 15008 flow [2024-11-09 06:52:26,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 06:52:26,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-09 06:52:26,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 4234 transitions. [2024-11-09 06:52:26,475 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7729098211025922 [2024-11-09 06:52:26,475 INFO L175 Difference]: Start difference. First operand has 362 places, 806 transitions, 10052 flow. Second operand 22 states and 4234 transitions. [2024-11-09 06:52:26,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 1079 transitions, 15008 flow [2024-11-09 06:52:26,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 1079 transitions, 14902 flow, removed 35 selfloop flow, removed 9 redundant places. [2024-11-09 06:52:26,759 INFO L231 Difference]: Finished difference. Result has 383 places, 886 transitions, 12912 flow [2024-11-09 06:52:26,760 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=9946, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=806, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=243, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=12912, PETRI_PLACES=383, PETRI_TRANSITIONS=886} [2024-11-09 06:52:26,761 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 131 predicate places. [2024-11-09 06:52:26,761 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 886 transitions, 12912 flow [2024-11-09 06:52:26,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 06:52:26,763 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:26,763 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:26,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 06:52:26,763 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-09 06:52:26,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:26,764 INFO L85 PathProgramCache]: Analyzing trace with hash 443129872, now seen corresponding path program 6 times [2024-11-09 06:52:26,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:26,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649846881] [2024-11-09 06:52:26,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:26,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:27,538 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 06:52:27,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:27,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649846881] [2024-11-09 06:52:27,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649846881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:27,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:27,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:52:27,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594156022] [2024-11-09 06:52:27,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:27,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:27,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:27,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:27,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:28,553 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-09 06:52:28,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 886 transitions, 12912 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 06:52:28,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:28,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-09 06:52:28,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:32,138 INFO L124 PetriNetUnfolderBase]: 3637/12778 cut-off events. [2024-11-09 06:52:32,139 INFO L125 PetriNetUnfolderBase]: For 90120/90871 co-relation queries the response was YES. [2024-11-09 06:52:32,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51982 conditions, 12778 events. 3637/12778 cut-off events. For 90120/90871 co-relation queries the response was YES. Maximal size of possible extension queue 501. Compared 138462 event pairs, 276 based on Foata normal form. 228/12664 useless extension candidates. Maximal degree in co-relation 51794. Up to 2722 conditions per place. [2024-11-09 06:52:32,281 INFO L140 encePairwiseOnDemand]: 212/249 looper letters, 550 selfloop transitions, 408 changer transitions 4/1155 dead transitions. [2024-11-09 06:52:32,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 1155 transitions, 18517 flow [2024-11-09 06:52:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 06:52:32,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-09 06:52:32,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2961 transitions. [2024-11-09 06:52:32,287 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7927710843373494 [2024-11-09 06:52:32,287 INFO L175 Difference]: Start difference. First operand has 383 places, 886 transitions, 12912 flow. Second operand 15 states and 2961 transitions. [2024-11-09 06:52:32,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 1155 transitions, 18517 flow [2024-11-09 06:52:32,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 1155 transitions, 18386 flow, removed 27 selfloop flow, removed 12 redundant places. [2024-11-09 06:52:32,634 INFO L231 Difference]: Finished difference. Result has 396 places, 980 transitions, 16751 flow [2024-11-09 06:52:32,635 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=12816, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=886, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=315, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=487, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16751, PETRI_PLACES=396, PETRI_TRANSITIONS=980} [2024-11-09 06:52:32,635 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 144 predicate places. [2024-11-09 06:52:32,635 INFO L471 AbstractCegarLoop]: Abstraction has has 396 places, 980 transitions, 16751 flow [2024-11-09 06:52:32,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 06:52:32,636 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:32,637 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:32,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 06:52:32,637 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-09 06:52:32,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:32,637 INFO L85 PathProgramCache]: Analyzing trace with hash 322695340, now seen corresponding path program 1 times [2024-11-09 06:52:32,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:32,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821260161] [2024-11-09 06:52:32,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:32,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:33,343 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 06:52:33,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:33,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821260161] [2024-11-09 06:52:33,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821260161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:33,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:33,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:52:33,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614750817] [2024-11-09 06:52:33,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:33,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:33,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:33,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:33,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:34,280 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 249 [2024-11-09 06:52:34,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 980 transitions, 16751 flow. Second operand has 13 states, 13 states have (on average 185.07692307692307) internal successors, (2406), 13 states have internal predecessors, (2406), 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 06:52:34,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:34,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 249 [2024-11-09 06:52:34,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:38,380 INFO L124 PetriNetUnfolderBase]: 4597/14972 cut-off events. [2024-11-09 06:52:38,381 INFO L125 PetriNetUnfolderBase]: For 111970/112467 co-relation queries the response was YES. [2024-11-09 06:52:38,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64379 conditions, 14972 events. 4597/14972 cut-off events. For 111970/112467 co-relation queries the response was YES. Maximal size of possible extension queue 533. Compared 160835 event pairs, 823 based on Foata normal form. 89/14695 useless extension candidates. Maximal degree in co-relation 64180. Up to 3323 conditions per place. [2024-11-09 06:52:38,675 INFO L140 encePairwiseOnDemand]: 228/249 looper letters, 496 selfloop transitions, 240 changer transitions 0/1125 dead transitions. [2024-11-09 06:52:38,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 1125 transitions, 20145 flow [2024-11-09 06:52:38,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 06:52:38,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-09 06:52:38,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2720 transitions. [2024-11-09 06:52:38,680 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7802639127940333 [2024-11-09 06:52:38,681 INFO L175 Difference]: Start difference. First operand has 396 places, 980 transitions, 16751 flow. Second operand 14 states and 2720 transitions. [2024-11-09 06:52:38,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 1125 transitions, 20145 flow [2024-11-09 06:52:39,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 1125 transitions, 20108 flow, removed 16 selfloop flow, removed 3 redundant places. [2024-11-09 06:52:39,104 INFO L231 Difference]: Finished difference. Result has 411 places, 998 transitions, 17895 flow [2024-11-09 06:52:39,105 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=16722, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=980, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=222, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=743, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17895, PETRI_PLACES=411, PETRI_TRANSITIONS=998} [2024-11-09 06:52:39,106 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 159 predicate places. [2024-11-09 06:52:39,106 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 998 transitions, 17895 flow [2024-11-09 06:52:39,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 185.07692307692307) internal successors, (2406), 13 states have internal predecessors, (2406), 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 06:52:39,107 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:39,107 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:39,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 06:52:39,107 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-09 06:52:39,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:39,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1035775470, now seen corresponding path program 7 times [2024-11-09 06:52:39,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:39,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891586561] [2024-11-09 06:52:39,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:39,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:39,632 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 06:52:39,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:39,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891586561] [2024-11-09 06:52:39,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891586561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:39,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:39,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:52:39,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979831113] [2024-11-09 06:52:39,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:39,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:39,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:39,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:39,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:40,541 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-09 06:52:40,542 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 998 transitions, 17895 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 06:52:40,542 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:40,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-09 06:52:40,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:45,284 INFO L124 PetriNetUnfolderBase]: 4622/16486 cut-off events. [2024-11-09 06:52:45,284 INFO L125 PetriNetUnfolderBase]: For 162764/163868 co-relation queries the response was YES. [2024-11-09 06:52:45,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75311 conditions, 16486 events. 4622/16486 cut-off events. For 162764/163868 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 191888 event pairs, 333 based on Foata normal form. 247/16320 useless extension candidates. Maximal degree in co-relation 75106. Up to 4246 conditions per place. [2024-11-09 06:52:45,451 INFO L140 encePairwiseOnDemand]: 213/249 looper letters, 532 selfloop transitions, 573 changer transitions 3/1307 dead transitions. [2024-11-09 06:52:45,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 1307 transitions, 25552 flow [2024-11-09 06:52:45,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 06:52:45,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-09 06:52:45,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2929 transitions. [2024-11-09 06:52:45,455 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7842034805890228 [2024-11-09 06:52:45,456 INFO L175 Difference]: Start difference. First operand has 411 places, 998 transitions, 17895 flow. Second operand 15 states and 2929 transitions. [2024-11-09 06:52:45,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 1307 transitions, 25552 flow [2024-11-09 06:52:45,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 1307 transitions, 25302 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-09 06:52:45,992 INFO L231 Difference]: Finished difference. Result has 427 places, 1147 transitions, 24049 flow [2024-11-09 06:52:45,993 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=17746, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=998, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=433, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=24049, PETRI_PLACES=427, PETRI_TRANSITIONS=1147} [2024-11-09 06:52:45,993 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 175 predicate places. [2024-11-09 06:52:45,993 INFO L471 AbstractCegarLoop]: Abstraction has has 427 places, 1147 transitions, 24049 flow [2024-11-09 06:52:45,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 06:52:45,994 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:45,995 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:45,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 06:52:45,995 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-09 06:52:45,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:45,995 INFO L85 PathProgramCache]: Analyzing trace with hash 102886350, now seen corresponding path program 8 times [2024-11-09 06:52:45,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:45,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290729146] [2024-11-09 06:52:45,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:45,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:46,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:46,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:46,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290729146] [2024-11-09 06:52:46,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290729146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:46,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:46,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:52:46,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527809961] [2024-11-09 06:52:46,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:46,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:46,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:46,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:46,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:47,557 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-09 06:52:47,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 1147 transitions, 24049 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 06:52:47,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:47,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-09 06:52:47,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:52,900 INFO L124 PetriNetUnfolderBase]: 4913/17562 cut-off events. [2024-11-09 06:52:52,900 INFO L125 PetriNetUnfolderBase]: For 215258/216482 co-relation queries the response was YES. [2024-11-09 06:52:53,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83305 conditions, 17562 events. 4913/17562 cut-off events. For 215258/216482 co-relation queries the response was YES. Maximal size of possible extension queue 738. Compared 206657 event pairs, 325 based on Foata normal form. 348/17459 useless extension candidates. Maximal degree in co-relation 83090. Up to 3616 conditions per place. [2024-11-09 06:52:53,111 INFO L140 encePairwiseOnDemand]: 220/249 looper letters, 585 selfloop transitions, 591 changer transitions 0/1375 dead transitions. [2024-11-09 06:52:53,111 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 1375 transitions, 30569 flow [2024-11-09 06:52:53,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 06:52:53,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-09 06:52:53,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3437 transitions. [2024-11-09 06:52:53,117 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7668451584114234 [2024-11-09 06:52:53,117 INFO L175 Difference]: Start difference. First operand has 427 places, 1147 transitions, 24049 flow. Second operand 18 states and 3437 transitions. [2024-11-09 06:52:53,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 1375 transitions, 30569 flow [2024-11-09 06:52:53,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 1375 transitions, 30496 flow, removed 34 selfloop flow, removed 3 redundant places. [2024-11-09 06:52:53,829 INFO L231 Difference]: Finished difference. Result has 449 places, 1216 transitions, 28489 flow [2024-11-09 06:52:53,830 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=23992, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=522, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=28489, PETRI_PLACES=449, PETRI_TRANSITIONS=1216} [2024-11-09 06:52:53,830 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 197 predicate places. [2024-11-09 06:52:53,830 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 1216 transitions, 28489 flow [2024-11-09 06:52:53,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 06:52:53,832 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:53,832 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:53,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 06:52:53,832 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-09 06:52:53,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:53,833 INFO L85 PathProgramCache]: Analyzing trace with hash -382084818, now seen corresponding path program 9 times [2024-11-09 06:52:53,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:53,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898592252] [2024-11-09 06:52:53,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:53,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:54,419 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 06:52:54,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:54,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898592252] [2024-11-09 06:52:54,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898592252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:54,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:54,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:52:54,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053968620] [2024-11-09 06:52:54,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:54,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:54,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:54,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:54,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:55,633 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-09 06:52:55,634 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 1216 transitions, 28489 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 06:52:55,635 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:55,635 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-09 06:52:55,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:02,293 INFO L124 PetriNetUnfolderBase]: 5448/19437 cut-off events. [2024-11-09 06:53:02,293 INFO L125 PetriNetUnfolderBase]: For 293761/295204 co-relation queries the response was YES. [2024-11-09 06:53:02,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96619 conditions, 19437 events. 5448/19437 cut-off events. For 293761/295204 co-relation queries the response was YES. Maximal size of possible extension queue 823. Compared 233543 event pairs, 415 based on Foata normal form. 427/19378 useless extension candidates. Maximal degree in co-relation 96395. Up to 3990 conditions per place. [2024-11-09 06:53:02,519 INFO L140 encePairwiseOnDemand]: 217/249 looper letters, 735 selfloop transitions, 597 changer transitions 2/1533 dead transitions. [2024-11-09 06:53:02,520 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 1533 transitions, 37039 flow [2024-11-09 06:53:02,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 06:53:02,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-09 06:53:02,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 4035 transitions. [2024-11-09 06:53:02,524 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7716580608146874 [2024-11-09 06:53:02,524 INFO L175 Difference]: Start difference. First operand has 449 places, 1216 transitions, 28489 flow. Second operand 21 states and 4035 transitions. [2024-11-09 06:53:02,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 1533 transitions, 37039 flow [2024-11-09 06:53:03,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 1533 transitions, 36984 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-09 06:53:03,494 INFO L231 Difference]: Finished difference. Result has 470 places, 1316 transitions, 34159 flow [2024-11-09 06:53:03,495 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=28434, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=504, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=628, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=34159, PETRI_PLACES=470, PETRI_TRANSITIONS=1316} [2024-11-09 06:53:03,496 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 218 predicate places. [2024-11-09 06:53:03,496 INFO L471 AbstractCegarLoop]: Abstraction has has 470 places, 1316 transitions, 34159 flow [2024-11-09 06:53:03,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 06:53:03,501 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:03,501 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:03,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 06:53:03,501 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-09 06:53:03,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:03,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1639692144, now seen corresponding path program 10 times [2024-11-09 06:53:03,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:03,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103136634] [2024-11-09 06:53:03,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:03,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:04,063 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 06:53:04,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:04,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103136634] [2024-11-09 06:53:04,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103136634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:04,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:04,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:53:04,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49117510] [2024-11-09 06:53:04,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:04,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:53:04,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:04,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:53:04,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:53:05,212 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-09 06:53:05,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 1316 transitions, 34159 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 06:53:05,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:05,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-09 06:53:05,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand